1
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Cai J, Hao X, Bian Z, Wu Y, Wei C, Yin X, Liu B, Fang M, Lv Y, Xie Y, Fang Y, Wang G. Elucidating the Discrepancy between the Intrinsic Structural Instability and the Apparent Catalytic Steadiness of M-N-C Catalysts toward Oxygen Evolution Reaction. Angew Chem Int Ed Engl 2024; 63:e202409079. [PMID: 38874984 DOI: 10.1002/anie.202409079] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/14/2024] [Revised: 06/07/2024] [Accepted: 06/11/2024] [Indexed: 06/15/2024]
Abstract
Despite the widespread investigations on the M-N-C type single atom catalysts (SACs) for oxygen evolution reaction (OER), an internal conflict between its intrinsic thermodynamically structural instability and apparent catalytic steadiness has long been ignored. Clearly unfolding this contradiction is necessary and meaningful for understanding the real structure-property relation of SACs. Herein, by using the well-designed pH-dependent metal leaching experiments and X-ray absorption spectroscopy, an unconventional structure reconstruction of M-N-C catalyst during OER process was observed. Combining with density functional theory calculations, the initial Ni-N coordination is easily broken in the presence of adsorbed OH*, leading to favorable formation of Ni-O coordination. The formed Ni-O works stably as the real active center for OER catalysis in alkaline media but unstably in acid, which clearly explains the existing conflict. Unveiling the internal contradiction between structural instability and catalytic steadiness provides valuable insights for rational design of single atom OER catalysts.
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Affiliation(s)
- Jinyan Cai
- College of Physics and Optoelectronic Engineering, Shenzhen University, Shenzhen, 518060, P. R. China
| | - Xiaobin Hao
- School of Materials and Chemical Engineering, Chuzhou University, Chuzhou, Anhui, 239000, P. R. China
| | - Zenan Bian
- Key Laboratory of Precision and Intelligent Chemistry, University of Science and Technology of China, Hefei, Anhui, 230026, P. R. China
| | - Yishang Wu
- Key Laboratory of Precision and Intelligent Chemistry, University of Science and Technology of China, Hefei, Anhui, 230026, P. R. China
| | - Cong Wei
- Key Laboratory of Precision and Intelligent Chemistry, University of Science and Technology of China, Hefei, Anhui, 230026, P. R. China
| | - Xuanwei Yin
- Key Laboratory of Precision and Intelligent Chemistry, University of Science and Technology of China, Hefei, Anhui, 230026, P. R. China
| | - Bo Liu
- Key Laboratory of Precision and Intelligent Chemistry, University of Science and Technology of China, Hefei, Anhui, 230026, P. R. China
| | - Ming Fang
- College of Physics and Optoelectronic Engineering, Shenzhen University, Shenzhen, 518060, P. R. China
| | - Youming Lv
- College of Physics and Optoelectronic Engineering, Shenzhen University, Shenzhen, 518060, P. R. China
| | - Yufang Xie
- Key Laboratory of Precision and Intelligent Chemistry, University of Science and Technology of China, Hefei, Anhui, 230026, P. R. China
| | - Yanyan Fang
- Key Laboratory of Precision and Intelligent Chemistry, University of Science and Technology of China, Hefei, Anhui, 230026, P. R. China
| | - Gongming Wang
- Key Laboratory of Precision and Intelligent Chemistry, University of Science and Technology of China, Hefei, Anhui, 230026, P. R. China
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2
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Ruan Q, Lu S, Wu J, Shi Y, Zhang B. Structural Degradation of M-N-C (M=Co, Ni and Fe) Single-Atom Electrocatalysts at Industrial-Grade Current Density for Long-Term Reduction. Angew Chem Int Ed Engl 2024; 63:e202409000. [PMID: 38866731 DOI: 10.1002/anie.202409000] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/13/2024] [Revised: 06/06/2024] [Accepted: 06/12/2024] [Indexed: 06/14/2024]
Abstract
M-N-C single-atom catalysts (SACs) are promising electrode materials for many electro-reduction reactions. However, their stability is far from practical applications, and their deactivation mechanism has been rarely investigated. Herein, we demonstrate the structural degradation of M-N-C (M=Co, Ni, and Fe) at industrial-grade current density for long-term electro-reduction. Both M-N and N-C bonds are broken, resulting in the gradual hydrogenation and dissolution of N in the form of ammonia. The residual M is finally converted to M-containing core-shell nanoparticles after sequential dissolution, redeposition, and electro-reduction. The destruction of the M-N-C structure and the formation of nanoparticles greatly affect the electrocatalytic performance. Our work highlights the structural degradation and deactivation mechanism of M-N-C-type SACs under strong reductive conditions and provides useful information for inspiring researchers to develop new strategies to improve the electrocatalytic stability of similar types of materials.
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Affiliation(s)
- Qingqing Ruan
- Institute of Molecular Plus, Department of Chemistry, School of Science, Tianjin University, Tianjin, 300072, China
| | - Shanshan Lu
- Institute of Molecular Plus, Department of Chemistry, School of Science, Tianjin University, Tianjin, 300072, China
| | - Jiaqi Wu
- Institute of Molecular Plus, Department of Chemistry, School of Science, Tianjin University, Tianjin, 300072, China
| | - Yanmei Shi
- Institute of Molecular Plus, Department of Chemistry, School of Science, Tianjin University, Tianjin, 300072, China
| | - Bin Zhang
- Institute of Molecular Plus, Department of Chemistry, School of Science, Tianjin University, Tianjin, 300072, China
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3
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Lu Y, Zhu M, Chen S, Yao J, Li T, Wang X, Tang C. Single-Atom Fe-Catalyzed Acceptorless Dehydrogenative Coupling to Quinolines. J Am Chem Soc 2024; 146:23338-23347. [PMID: 39105742 DOI: 10.1021/jacs.4c06145] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 08/07/2024]
Abstract
A single-atom iron catalyst was found to exhibit exceptional reactivity in acceptorless dehydrogenative coupling for quinoline synthesis, outperforming known homogeneous and nanocatalyst systems. Detailed characterizations, including aberration-corrected HAADF-STEM, XANES, and EXAFS, jointly confirmed the presence of atomically dispersed iron centers. Various functionalized quinolines were efficiently synthesized from different amino alcohols and a range of ketones or alcohols. The iron single-atom catalyst achieved a turnover number (TON) of up to 105, far exceeding the results of current homogeneous and nanocatalyst systems. Detailed mechanistic studies verified the significance of single-atom Fe sites in the dehydrogenation process.
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Affiliation(s)
- Yanze Lu
- Key Laboratory of Material Chemistry for Energy Conversion and Storage, Ministry of Education, Hubei Key Laboratory of Material Chemistry and Service Failure, School of Chemistry and Chemical Engineering, Huazhong University of Science and Technology, 1037 Luoyu Road, Wuhan 430074, China
| | - Meiling Zhu
- Key Laboratory of Material Chemistry for Energy Conversion and Storage, Ministry of Education, Hubei Key Laboratory of Material Chemistry and Service Failure, School of Chemistry and Chemical Engineering, Huazhong University of Science and Technology, 1037 Luoyu Road, Wuhan 430074, China
- College of Chemistry and Pharmaceutical Engineering, Nanyang Normal University, Nanyang 473061, China
| | - Sanxia Chen
- Key Laboratory of Material Chemistry for Energy Conversion and Storage, Ministry of Education, Hubei Key Laboratory of Material Chemistry and Service Failure, School of Chemistry and Chemical Engineering, Huazhong University of Science and Technology, 1037 Luoyu Road, Wuhan 430074, China
| | - Jiewen Yao
- Key Laboratory of Material Chemistry for Energy Conversion and Storage, Ministry of Education, Hubei Key Laboratory of Material Chemistry and Service Failure, School of Chemistry and Chemical Engineering, Huazhong University of Science and Technology, 1037 Luoyu Road, Wuhan 430074, China
| | - Ting Li
- College of Chemistry and Pharmaceutical Engineering, Nanyang Normal University, Nanyang 473061, China
| | - Xu Wang
- Institute of Advanced Science Facilities, Shenzhen (IASF), No. 268 Zhenyuan Road, Guangming District, Shenzhen 518107, China
| | - Conghui Tang
- Key Laboratory of Material Chemistry for Energy Conversion and Storage, Ministry of Education, Hubei Key Laboratory of Material Chemistry and Service Failure, School of Chemistry and Chemical Engineering, Huazhong University of Science and Technology, 1037 Luoyu Road, Wuhan 430074, China
- State Key Laboratory of Natural and Biomimetic Drugs, Peking University, Beijing 100191, China
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4
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Pang Z, Chen Z, Li J, Liu D, Zhang G, Liu C, Du C, Zhou W. Advances in Inorganic Foam Materials Fabricated Via Blowing Strategy: A Comprehensive Review. ACS NANO 2024; 18:21747-21778. [PMID: 39105765 DOI: 10.1021/acsnano.4c05321] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 08/07/2024]
Abstract
Two-dimensional (2D) materials with excellent properties and widespread applications have been explosively investigated. However, their conventional synthetic methods exhibit concerns of limited scalability, complex purification process, and incompetence of prohibiting their restacking. The blowing strategy, characterized by gas-template, low-cost, and high-efficiency, presents a valuable avenue for the synthesis of 2D-based foam materials and thereby addresses these constraints. Whereas, its comprehensive introduction has been rarely outlined so far. This review commences with a synopsis of the blowing strategy, elucidating its development history, the statics and kinetics of the blowing process, and the choice of precursor and foaming agents. Thereafter, we dwell at length on across-the-board foams enabled by the blowing route, like BxCyNz foams, carbon foams, and diverse composite foams consisting of carbon and metal compounds. Following that, a wide-ranging evaluation of the functionality of the foam products in fields such as energy storage, electrocatalysis, adsorption, etc. is discussed, revealing their distinctive strength originated from the foam structure. Finally, after concluding the current progress, we provide some personal discussions on the existing challenges and future research priorities in this rapidly developing method.
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Affiliation(s)
- Zimo Pang
- School of Materials Science and Engineering, Harbin Institute of Technology, Weihai 264209, P. R. China
- State Key Laboratory of Metal Matrix Composites, School of Materials Science and Engineering, Shanghai Jiao Tong University, Shanghai 200240, P. R. China
| | - Zhichao Chen
- School of Materials Science and Engineering, Harbin Institute of Technology, Weihai 264209, P. R. China
| | - Jianyu Li
- School of Materials Science and Engineering, Harbin Institute of Technology, Weihai 264209, P. R. China
- CAS Key Laboratory of Materials for Energy Conversion, Department of Materials Science and Engineering, School of Chemistry and Materials Science, University of Science and Technology of China, Hefei 230026, P. R. China
| | - Dongdong Liu
- School of Materials Science and Engineering, Harbin Institute of Technology, Weihai 264209, P. R. China
| | - Guangyue Zhang
- School of Materials Science and Engineering, Harbin Institute of Technology, Weihai 264209, P. R. China
| | - Canshang Liu
- School of Materials Science and Engineering, Harbin Institute of Technology, Weihai 264209, P. R. China
| | - Chengkai Du
- School of Materials Science and Engineering, Harbin Institute of Technology, Weihai 264209, P. R. China
| | - Weiwei Zhou
- School of Materials Science and Engineering, Harbin Institute of Technology, Weihai 264209, P. R. China
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5
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Di Liberto G, Tosoni S. Stable, while Still Active? A DFT Study of Cu, Ag, and Au Single Atoms at the C 3N 4/TiO 2 Interface. Chemphyschem 2024; 25:e202400378. [PMID: 38726548 DOI: 10.1002/cphc.202400378] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/02/2024] [Revised: 05/08/2024] [Indexed: 06/21/2024]
Abstract
Hybrid DFT calculations are employed to compare the adsorption and stabilization of Cu, Ag, and Au atoms on graphitic C3N4 and on the heterojunction formed by g- C3N4 and TiO2. While Cu and Ag can be strongly chemisorbed in form of cations on g- C3N4, Au is only weakly physisorbed. On g- C3N4/TiO2, all coinage metal adatoms can be strongly chemisorbed, but, while Cu and Ag forms cations, Au form an Au- species. Ab Initio Molecular Dynamics simulations confirm that the metal adatoms on g-C3N4 are highly mobile at room temperature, while they remain confined in the interfacial spacing between C3N4 and TiO2 on the heterojunction, being both stably bound and reachable for the reactants in a catalytic cycle. Doping g- C3N4/TiO2 with metal single atoms permits thus to generate catalytic systems with tunable charge and chemical properties and improved stability with respect to bare C3N4. Moreover, the changes in the electronic structure of g- C3N4/TiO2 induced by the presence of the metal single atoms are beneficial also for photocatalytic applications.
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Affiliation(s)
- Giovanni Di Liberto
- Department of Materials Science, University of Milan-Bicocca, Via Roberto Cozzi 55, 20125, Milan, Italy
| | - Sergio Tosoni
- Department of Materials Science, University of Milan-Bicocca, Via Roberto Cozzi 55, 20125, Milan, Italy
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6
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Fan B, Jiang M, Wang G, Zhao Y, Mei B, Han J, Ma L, Li C, Hou G, Wu T, Yan L, Ding Y. Elucidation of hemilabile-coordination-induced tunable regioselectivity in single-site Rh-catalyzed heterogeneous hydroformylation. Nat Commun 2024; 15:6967. [PMID: 39138177 PMCID: PMC11322285 DOI: 10.1038/s41467-024-51281-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/17/2024] [Accepted: 07/31/2024] [Indexed: 08/15/2024] Open
Abstract
Revealing key factors that modulate the regioselectivity in heterogeneous hydroformylation requires identifying and monitoring the dynamic evolution of the truly active center under real reaction conditions. However, unambiguous in situ characterizations are still lacking. Herein, we elaborately construct a series of Rh-POPs catalysts for propylene hydroformylation which exhibited tunable regioselectivity. Multi-technique approaches reveal the unique microenvironment of the diverse HRh(CO)(PPh3-frame)2 sites with distinct P-Rh-P bite angles ranging from 90° to 120° and 158° to 168°, respectively. In situ time-resolved XAFS, FT-IR, and quasi-in situ Solid-state NMR experiments combined with DFT calculations explain the dynamic evolution of the electronic and coordinate state of the distinct active sites induced by hemilabile PPh3-frame ligands and further disclose the regulatory mechanism of regioselectivity. These state-of-the-art techniques and multiscale analysis advance the understanding of how hemilabile coordination influences regioselectivity and will provide a new thought to modulate the regioselectivity in future industrial processes.
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Affiliation(s)
- Benhan Fan
- Dalian National Laboratory for Clean Energy, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian, P.R. China
| | - Miao Jiang
- Dalian National Laboratory for Clean Energy, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian, P.R. China
| | - Guoqing Wang
- Dalian National Laboratory for Clean Energy, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian, P.R. China
| | - Yang Zhao
- Dalian National Laboratory for Clean Energy, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian, P.R. China
| | - Bingbao Mei
- Shanghai Synchrotron Radiation Facility, Shanghai Advanced Research Institute, Chinese Academy of Sciences, Shanghai, P.R. China
| | - Jingfeng Han
- National Engineering Research Center of Lower-Carbon Catalysis Technology, Dalian National Laboratory for Clean Energy, iChEM (Collaborative Innovation Center of Chemistry for Energy Materials), Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian, P.R. China
| | - Lei Ma
- Dalian National Laboratory for Clean Energy, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian, P.R. China
| | - Cunyao Li
- Dalian National Laboratory for Clean Energy, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian, P.R. China
| | - Guangjin Hou
- State Key Laboratory of Catalysis, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian, P.R. China
| | - Tao Wu
- School of Chemical Engineering, Dalian University of Technology, Dalian, P.R. China.
| | - Li Yan
- Dalian National Laboratory for Clean Energy, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian, P.R. China.
| | - Yunjie Ding
- Dalian National Laboratory for Clean Energy, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian, P.R. China.
- State Key Laboratory of Catalysis, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian, P.R. China.
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7
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Zhang Y, Yao Z, Yang Y, Zhai X, Zhang F, Guo Z, Liu X, Yang B, Liang Y, Ge G, Jia X. Breaking the scaling relations of effective CO 2 electrochemical reduction in diatomic catalysts by adjusting the flow direction of intermediate structures. Chem Sci 2024:d4sc03085k. [PMID: 39129777 PMCID: PMC11310890 DOI: 10.1039/d4sc03085k] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/11/2024] [Accepted: 07/16/2024] [Indexed: 08/13/2024] Open
Abstract
The electrocatalytic carbon dioxide reduction reaction (CO2RR) is a promising approach to achieving a sustainable carbon cycle. Recently, diatomic catalysts (DACs) have demonstrated advantages in the CO2RR due to their complex and flexible active sites. However, our understanding of how DACs break the scaling relationship remains insufficient. Here, we investigate the CO2RR of 465 kinds of graphene-based DACs (M1M2-N6@Gra) formed from 30 metal atoms through high-throughput density functional theory (DFT) calculations. We find that the intermediates *COOH, *CO, and *CHO have multiple adsorption states, with 11 structural flow directions from *CO to *CHO. Four of these structural flow directions have catalysts that can break the linear scale relationship. Based on the adsorption energy relationship between *COOH, *CHO and *CO, we propose the concepts of linear scaling, moderate breaking, and severe deviation regions, leading to the establishment of new descriptors that identify 14 catalysts with potential superior performance. Among them, ZnRu-N6@Gra and CrNi-N6@Gra can reduce CO2 to CH4 at a low limiting potential. We also discovered that DACs have independent bidirectional electron transfer channels during the adsorption and activation of CO2, which can significantly improve the flexibility and efficiency of regulating the electronic structure. Furthermore, through machine learning (ML) analysis, we identify electronegativity, atomic number, and d electron count as key determinants of catalyst stability. This work provides new insights into the understanding of the DAC catalytic mechanism, as well as the design and screening of catalysts.
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Affiliation(s)
- Yanwen Zhang
- School of Chemistry and Chemical Engineering, State Key Laboratory Incubation Base for Green Processing of Chemical Engineering, Shihezi University Shihezi 832003 China
- Department of Physics, College of Science, Shihezi University Shihezi 832003 China
| | - Zhaoqun Yao
- College of Agriculture, Shihezi University Shihezi 832003 China
| | - YiMing Yang
- Department of Physics, College of Science, Shihezi University Shihezi 832003 China
| | - Xingwu Zhai
- Key Hefei National Laboratory for Physical Sciences at the Microscale, School of Chemistry and Materials Science, University of Science and Technology of China Hefei Anhui 230026 China
| | - Feng Zhang
- Department of Mathematics, College of Science, Shihezi University Shihezi 832003 China
| | - Zhirong Guo
- Department of Physics, College of Science, Shihezi University Shihezi 832003 China
| | - Xinghuan Liu
- School of Chemistry and Chemical Engineering, State Key Laboratory Incubation Base for Green Processing of Chemical Engineering, Shihezi University Shihezi 832003 China
| | - Bin Yang
- School of Chemistry and Chemical Engineering, State Key Laboratory Incubation Base for Green Processing of Chemical Engineering, Shihezi University Shihezi 832003 China
| | - Yunxia Liang
- Department of Physics, College of Science, Shihezi University Shihezi 832003 China
| | - Guixian Ge
- Department of Physics, College of Science, Shihezi University Shihezi 832003 China
| | - Xin Jia
- School of Chemistry and Chemical Engineering, State Key Laboratory Incubation Base for Green Processing of Chemical Engineering, Shihezi University Shihezi 832003 China
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8
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Beshara GM, Surin I, Agrachev M, Eliasson H, Otroshchenko T, Krumeich F, Erni R, Kondratenko EV, Pérez-Ramírez J. Mechanochemically-derived iron atoms on defective boron nitride for stable propylene production. EES CATALYSIS 2024:d4ey00123k. [PMID: 39148890 PMCID: PMC11320177 DOI: 10.1039/d4ey00123k] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/09/2024] [Accepted: 08/01/2024] [Indexed: 08/17/2024]
Abstract
Single-atom catalysts (SACs), possessing a uniform metal site structure, are a promising class of materials for selective oxidations of hydrocarbons. However, their design for targeted applications requires careful choice of metal-host combinations and suitable synthetic techniques. Here, we report iron atoms stabilised on defective hexagonal boron nitride (h-BN) via mechanochemical activation in a ball mill as an effective catalyst for propylene production via N2O-mediated oxidative propane dehydrogenation (N2O-ODHP), reaching 95% selectivity at 6% propane conversion and maintaining stable performance for 40 h on stream. This solvent-free synthesis allows simultaneous carrier exfoliation and surface defect generation, creating anchoring sites for catalytically-active iron atoms. The incorporation of a small metal quantity (0.5 wt%) predominantly generates a mix of atomically-dispersed Fe2+ and Fe3+ species, as confirmed by combining advanced microscopy and electron paramagnetic resonance, UV-vis and X-ray photoelectron spectroscopy analyses. Single-atom iron favours selective propylene formation, while metal oxide nanoparticles yield large quantities of CO x and cracking by-products. The lack of acidic functionalities on h-BN, hindering coke formation, and firm stabilisation of Fe sites, preventing metal sintering, ensure stable operation. These findings showcase N2O-ODHP as a promising propylene production technology and foster wider adoption of mechanochemical activation as a viable method for SACs synthesis.
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Affiliation(s)
- Gian Marco Beshara
- Institute for Chemical and Bioengineering, Department of Chemistry and Applied Biosciences, ETH Zurich Vladimir-Prelog-Weg 1 8093 Zurich Switzerland
| | - Ivan Surin
- Institute for Chemical and Bioengineering, Department of Chemistry and Applied Biosciences, ETH Zurich Vladimir-Prelog-Weg 1 8093 Zurich Switzerland
| | - Mikhail Agrachev
- Laboratory of Physical Chemistry, Department of Chemistry and Applied Biosciences, ETH Zurich Vladimir-Prelog-Weg 2 8093 Zurich Switzerland
| | - Henrik Eliasson
- Electron Microscopy Center, Empa - Swiss Federal Laboratories for Materials Science and Technology (EMPA) Uberlandstrasse 129 8600 Dubendorf Switzerland
| | - Tatiana Otroshchenko
- Advanced Methods for Applied Catalysis, Leibniz-Institut fur Katalyse Albert Einstein-Strasse 29a 18059 Rostock Germany
| | - Frank Krumeich
- Laboratory of Inorganic Chemistry, Department of Chemistry and Applied Biosciences, ETH Zurich Vladimir-Prelog-Weg 1 8093 Zurich Switzerland
| | - Rolf Erni
- Electron Microscopy Center, Empa - Swiss Federal Laboratories for Materials Science and Technology (EMPA) Uberlandstrasse 129 8600 Dubendorf Switzerland
| | - Evgenii V Kondratenko
- Advanced Methods for Applied Catalysis, Leibniz-Institut fur Katalyse Albert Einstein-Strasse 29a 18059 Rostock Germany
| | - Javier Pérez-Ramírez
- Institute for Chemical and Bioengineering, Department of Chemistry and Applied Biosciences, ETH Zurich Vladimir-Prelog-Weg 1 8093 Zurich Switzerland
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9
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Chen L, Guan X, Wu X, Asakura H, Hopkinson DG, Allen C, Callison J, Dyson PJ, Wang FR. Thermally stable high-loading single Cu sites on ZSM-5 for selective catalytic oxidation of NH 3. Proc Natl Acad Sci U S A 2024; 121:e2404830121. [PMID: 39042689 PMCID: PMC11295017 DOI: 10.1073/pnas.2404830121] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/12/2024] [Accepted: 06/22/2024] [Indexed: 07/25/2024] Open
Abstract
Rigorous comparisons between single site- and nanoparticle (NP)-dispersed catalysts featuring the same composition, in terms of activity, selectivity, and reaction mechanism, are limited. This limitation is partly due to the tendency of single metal atoms to sinter into aggregated NPs at high loadings and elevated temperatures, driven by a decrease in metal surface free energy. Here, we have developed a unique two-step method for the synthesis of single Cu sites on ZSM-5 (termed CuS/ZSM-5) with high thermal stability. The atomic-level dispersion of single Cu sites was confirmed through scanning transmission electron microscopy, X-ray absorption fine structure (XAFS), and electron paramagnetic resonance spectroscopy. The CuS/ZSM-5 catalyst was compared to a CuO NP-based catalyst (termed CuN/ZSM-5) in the oxidation of NH3 to N2, with the former exhibiting superior activity and selectivity. Furthermore, operando XAFS and diffuse reflectance infrared Fourier transform spectroscopy studies were conducted to simultaneously assess the fate of the Cu and the surface adsorbates, providing a comprehensive understanding of the mechanism of the two catalysts. The study shows that the facile redox behavior exhibited by single Cu sites correlates with the enhanced activity observed for the CuS/ZSM-5 catalyst.
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Affiliation(s)
- Lu Chen
- Department of Chemical Engineering, University College London, LondonWC1E 7JE, United Kingdom
| | - Xuze Guan
- Department of Chemical Engineering, University College London, LondonWC1E 7JE, United Kingdom
| | - Xinbang Wu
- Institute of Chemical Sciences and Engineering, École Polytechnique Fedérale de Lausanne (EPFL), Lausanne CH-1015, Switzerland
| | - Hiroyuki Asakura
- Department of Applied Chemistry, Faculty of Science and Engineering, Kindai University, Higashi-Osaka, Osaka577-8502, Japan
| | - David G. Hopkinson
- electron Physical Science Imaging Center, Diamond Light Source Ltd., DidcotOX11 0DE, United Kingdom
| | - Christopher Allen
- electron Physical Science Imaging Center, Diamond Light Source Ltd., DidcotOX11 0DE, United Kingdom
- Department of Materials, University of Oxford, OxfordOX1 3PH, United Kingdom
| | - June Callison
- United Kingdom Catalysis Hub, Research Complex at Harwell, Rutherford Appleton Laboratory, HarwellOX11 0FA, United Kingdom
| | - Paul J. Dyson
- Institute of Chemical Sciences and Engineering, École Polytechnique Fedérale de Lausanne (EPFL), Lausanne CH-1015, Switzerland
| | - Feng Ryan Wang
- Department of Chemical Engineering, University College London, LondonWC1E 7JE, United Kingdom
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10
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Al-Hilfi S, Jiang X, Heuer J, Akula S, Tammeveski K, Hu G, Yang J, Wang HI, Bonn M, Landfester K, Müllen K, Zhou Y. Single-Atom Catalysts through Pressure-Controlled Metal Diffusion. J Am Chem Soc 2024; 146:19886-19895. [PMID: 38990188 PMCID: PMC11273616 DOI: 10.1021/jacs.4c03066] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/01/2024] [Revised: 06/23/2024] [Accepted: 06/25/2024] [Indexed: 07/12/2024]
Abstract
Single-atom catalysts (SACs) open up new possibilities for advanced technologies. However, a major complication in preparing high-density single-atom sites is the aggregation of single atoms into clusters. This complication stems from the delicate balance between the diffusion and stabilization of metal atoms during pyrolysis. Here, we present pressure-controlled metal diffusion as a new concept for fabricating ultra-high-density SACs. Reducing the pressure inhibits aggregation substantially, resulting in almost three times higher single-atom loadings than those obtained at ambient pressure. Molecular dynamics and computational fluid dynamics simulations reveal the role of a metal hopping mechanism, maximizing the metal atom distribution through an increased probability of metal-ligand binding. The investigation of the active site density by electrocatalytic oxygen reduction validates the robustness of our approach. The first realization of Ullmann-type carbon-oxygen couplings catalyzed on single Cu sites demonstrates further options for efficient heterogeneous catalysis.
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Affiliation(s)
- Samir
H. Al-Hilfi
- School
of Materials Science and Engineering, Jiangsu
University, Zhenjiang 212013, Jiangsu, China
- Max
Planck Institute for Polymer Research, 55128 Mainz, Germany
| | - Xikai Jiang
- State
Key Laboratory of Nonlinear Mechanics, Institute
of Mechanics, Chinese Academy of Science, Beijing 100190, China
| | - Julian Heuer
- Max
Planck Institute for Polymer Research, 55128 Mainz, Germany
| | - Srinu Akula
- Institute
of Chemistry, University of Tartu, Ravila 14a, 50411 Tartu, Estonia
| | - Kaido Tammeveski
- Institute
of Chemistry, University of Tartu, Ravila 14a, 50411 Tartu, Estonia
| | - Guoqing Hu
- Department
of Engineering Mechanics, State Key Laboratory of Fluid Power and
Mechatronic Systems, Zhejiang University, Hangzhou 310027, Zhejiang, China
| | - Juan Yang
- School
of Materials Science and Engineering, Jiangsu
University, Zhenjiang 212013, Jiangsu, China
| | - Hai. I. Wang
- Max
Planck Institute for Polymer Research, 55128 Mainz, Germany
- Nanophotonics,
Debye Institute for Nanomaterials Science, Utrecht University, Princetonplein 1, 3584 CC Utrecht, The Netherlands
| | - Mischa Bonn
- Max
Planck Institute for Polymer Research, 55128 Mainz, Germany
| | | | - Klaus Müllen
- Max
Planck Institute for Polymer Research, 55128 Mainz, Germany
| | - Yazhou Zhou
- School
of Materials Science and Engineering, Jiangsu
University, Zhenjiang 212013, Jiangsu, China
- Max
Planck Institute for Polymer Research, 55128 Mainz, Germany
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11
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Ju X, Pumera M. Single Atom Engineering for Nanorobotics. ACS NANO 2024; 18:19907-19911. [PMID: 39047074 PMCID: PMC11308777 DOI: 10.1021/acsnano.4c06880] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/23/2024] [Revised: 07/05/2024] [Accepted: 07/10/2024] [Indexed: 07/27/2024]
Abstract
The fields of single atom engineering represent cutting-edge areas in nanotechnology and materials science, pushing the boundaries of how small we can go in engineering functional devices and materials. Nanorobots, or nanobots, are robotic systems scaled down to the nanometer level and designed to perform tasks at similarly small scales. Single atom engineering, on the other hand, involves manipulating individual atoms to create precise materials and devices with controlled properties and functionalities. By integrating single atom engineering into nanorobotics, we unlock the potential to enable the precise incorporation of multiple functionalities onto these minuscule machines with nanometer-level precision. In this perspective, we describe the nascent field of single atom engineering in nanorobotics.
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Affiliation(s)
- Xiaohui Ju
- Future
Energy and Innovation Laboratory, Central European Institute of Technology, Brno University of Technology, Purkyňova 123, 61200 Brno, Czech Republic
| | - Martin Pumera
- Future
Energy and Innovation Laboratory, Central European Institute of Technology, Brno University of Technology, Purkyňova 123, 61200 Brno, Czech Republic
- Advanced
Nanorobots & Multiscale Robotics Laboratory, Faculty of Electrical
Engineering and Computer Science, VSB−Technical
University of Ostrava, 17 listopadu 2172/15, 708 00 Ostrava, Czech Republic
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12
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Patra K, Brennessel WW, Matson EM. Molecular Models of Atomically Dispersed Uranium at MoS 2 Surfaces Reveal Cooperative Mechanism of Water Reduction. J Am Chem Soc 2024; 146:20147-20157. [PMID: 38984489 PMCID: PMC11273346 DOI: 10.1021/jacs.4c05002] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/11/2024] [Revised: 06/26/2024] [Accepted: 06/26/2024] [Indexed: 07/11/2024]
Abstract
Single atoms of uranium supported on molybdenum sulfide surfaces (U@MoS2) have been recently demonstrated to facilitate the hydrogen evolution reaction (HER) through electrocatalysis. Theoretical calculations have predicted uranium hydroxide moieties bound to edge-sulfur atoms of MoS2 as a proposed transition state involved in the HER process. However, the isolation of relevant intermediates involved in this process remains a challenge, rendering mechanistic hypotheses unverified. The present work describes the isolation and characterization of a uranium-hydroxide intermediate on molybdenum sulfide surfaces using [(Cp*3Mo3S4)UCp*], a molecular model of a reduced uranium center supported at MoS2. Mechanistic investigations highlight the metalloligand cooperativity with uranium involved in the water activation pathway. The corresponding uranium-oxo analogue, [(Cp*3Mo3S4)Cp*U(═O)], was also accessed from the hydroxide cluster via hydrogen atom transfer and from [(Cp*3Mo3S4)UCp*] through an alternative direct oxygen atom transfer. These results provide an atomistic perspective on the reactivity of low-valent uranium at molybdenum sulfide surfaces toward water, modeling key intermediates associated with the HER of U@MoS2 catalysts.
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Affiliation(s)
- Kamaless Patra
- Department of Chemistry, University of Rochester, Rochester, New York 14627, United States
| | - William W. Brennessel
- Department of Chemistry, University of Rochester, Rochester, New York 14627, United States
| | - Ellen M. Matson
- Department of Chemistry, University of Rochester, Rochester, New York 14627, United States
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13
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Fan Y, Xu H, Gao G, Wang M, Huang W, Ma L, Yao Y, Qu Z, Xie P, Dai B, Yan N. Asymmetric Ru-In atomic pairs promote highly active and stable acetylene hydrochlorination. Nat Commun 2024; 15:6035. [PMID: 39019874 PMCID: PMC11254904 DOI: 10.1038/s41467-024-50221-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/22/2024] [Accepted: 07/03/2024] [Indexed: 07/19/2024] Open
Abstract
Ru single-atom catalysts have great potential to replace toxic mercuric chloride in acetylene hydrochlorination. However, long-term catalytic stability remains a grand challenge due to the aggregation of Ru atoms caused by over-chlorination. Herein, we synthesize an asymmetric Ru-In atomic pair with vinyl chloride monomer yield (>99.5%) and stability (>600 h) at a gas hourly space velocity of 180 h-1, far surpassing those of the Ru single-atom counterparts. A combination of experimental and theoretical techniques reveals that there is a strong d-p orbital interaction between Ru and In atoms, which not only enables the selective adsorption of acetylene and hydrogen chloride at different atomic sites but also optimizes the electron configuration of Ru. As a result, the intrinsic energy barrier for vinyl chloride generation is lowered, and the thermodynamics of the chlorination process at the Ru site is switched from exothermal to endothermal due to the change of orbital couplings. This work provides a strategy to prevent the deactivation and depletion of active Ru centers during acetylene hydrochlorination.
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Affiliation(s)
- Yurui Fan
- School of Environmental Science and Engineering, Shanghai Jiao Tong University, 200240, Shanghai, China
| | - Haomiao Xu
- School of Environmental Science and Engineering, Shanghai Jiao Tong University, 200240, Shanghai, China.
| | - Guanqun Gao
- School of Environmental Science and Engineering, Shanghai Jiao Tong University, 200240, Shanghai, China
| | - Mingming Wang
- School of Environmental Science and Engineering, Shanghai Jiao Tong University, 200240, Shanghai, China
| | - Wenjun Huang
- School of Environmental Science and Engineering, Shanghai Jiao Tong University, 200240, Shanghai, China
| | - Lei Ma
- School of Environmental Science and Engineering, Shanghai Jiao Tong University, 200240, Shanghai, China
| | - Yancai Yao
- School of Environmental Science and Engineering, Shanghai Jiao Tong University, 200240, Shanghai, China.
| | - Zan Qu
- School of Environmental Science and Engineering, Shanghai Jiao Tong University, 200240, Shanghai, China.
| | - Pengfei Xie
- College of Chemical and Biological Engineering, Zhejiang University, 310058, Hangzhou, China.
| | - Bin Dai
- State Key Laboratory Incubation Base for Green Processing of Chemical Engineering, School of Chemistry and Chemical Engineering, Shihezi University, 832003, Shihezi, China
| | - Naiqiang Yan
- School of Environmental Science and Engineering, Shanghai Jiao Tong University, 200240, Shanghai, China
- Shanghai Institute of Pollution Control and Ecological Security, 200092, Shanghai, China
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14
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Xie S, Lu Y, Ye K, Tan W, Cao S, Wang C, Kim D, Zhang X, Loukusa J, Li Y, Zhang Y, Ma L, Ehrlich SN, Marinkovic NS, Deng J, Flytzani-Stephanopoulos M, Liu F. Enhancing the Carbon Monoxide Oxidation Performance through Surface Defect Enrichment of Ceria-Based Supports for Platinum Catalyst. ENVIRONMENTAL SCIENCE & TECHNOLOGY 2024; 58:12731-12741. [PMID: 38958431 PMCID: PMC11256741 DOI: 10.1021/acs.est.4c03078] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/27/2024] [Accepted: 06/18/2024] [Indexed: 07/04/2024]
Abstract
Effective synthesis and application of single-atom catalysts on supports lacking enough defects remain a significant challenge in environmental catalysis. Herein, we present a universal defect-enrichment strategy to increase the surface defects of CeO2-based supports through H2 reduction pretreatment. The Pt catalysts supported by defective CeO2-based supports, including CeO2, CeZrOx, and CeO2/Al2O3 (CA), exhibit much higher Pt dispersion and CO oxidation activity upon reduction activation compared to their counterpart catalysts without defect enrichment. Specifically, Pt is present as embedded single atoms on the CA support with enriched surface defects (CA-HD) based on which the highly active catalyst showing embedded Pt clusters (PtC) with the bottom layer of Pt atoms substituting the Ce cations in the CeO2 surface lattice can be obtained through reduction activation. Embedded PtC can better facilitate CO adsorption and promote O2 activation at PtC-CeO2 interfaces, thereby contributing to the superior low-temperature CO oxidation activity of the Pt/CA-HD catalyst after activation.
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Affiliation(s)
- Shaohua Xie
- Department
of Civil, Environmental, and Construction Engineering, Catalysis Cluster
for Renewable Energy and Chemical Transformations (REACT), NanoScience
Technology Center (NSTC), University of
Central Florida, Orlando, Florida 32816, United States
| | - Yue Lu
- Beijing
Key Laboratory of Microstructure and Properties of Solids, Faculty
of Materials and Manufacturing, Beijing
University of Technology, Beijing 100124, People’s
Republic of China
| | - Kailong Ye
- Department
of Civil, Environmental, and Construction Engineering, Catalysis Cluster
for Renewable Energy and Chemical Transformations (REACT), NanoScience
Technology Center (NSTC), University of
Central Florida, Orlando, Florida 32816, United States
| | - Wei Tan
- Department
of Civil, Environmental, and Construction Engineering, Catalysis Cluster
for Renewable Energy and Chemical Transformations (REACT), NanoScience
Technology Center (NSTC), University of
Central Florida, Orlando, Florida 32816, United States
- State
Key Laboratory of Pollution Control and Resource Reuse, School of
the Environment, Jiangsu Key Laboratory of Vehicle Emissions Control,
School of Chemistry and Chemical Engineering, Center of Modern Analysis, Nanjing University, Nanjing, Jiangsu 210023, People’s Republic
of China
| | - Sufeng Cao
- Department
of Chemical and Biological Engineering, Tufts University, Medford, Massachusetts 02155, United States
- Aramco Boston
Research Center, Cambridge, Massachusetts 02139, United States
| | - Chunying Wang
- Center
for Excellence in Regional Atmospheric Environment, Institute of Urban
Environment, Chinese Academy of Sciences, Xiamen, Fujian 361021, People’s
Republic of China
| | - Daekun Kim
- Department
of Civil, Environmental, and Construction Engineering, Catalysis Cluster
for Renewable Energy and Chemical Transformations (REACT), NanoScience
Technology Center (NSTC), University of
Central Florida, Orlando, Florida 32816, United States
| | - Xing Zhang
- Department
of Civil, Environmental, and Construction Engineering, Catalysis Cluster
for Renewable Energy and Chemical Transformations (REACT), NanoScience
Technology Center (NSTC), University of
Central Florida, Orlando, Florida 32816, United States
| | - Jeremia Loukusa
- Department
of Civil, Environmental, and Construction Engineering, Catalysis Cluster
for Renewable Energy and Chemical Transformations (REACT), NanoScience
Technology Center (NSTC), University of
Central Florida, Orlando, Florida 32816, United States
| | - Yaobin Li
- Center
for Excellence in Regional Atmospheric Environment, Institute of Urban
Environment, Chinese Academy of Sciences, Xiamen, Fujian 361021, People’s
Republic of China
| | - Yan Zhang
- Center
for Excellence in Regional Atmospheric Environment, Institute of Urban
Environment, Chinese Academy of Sciences, Xiamen, Fujian 361021, People’s
Republic of China
| | - Lu Ma
- National
Synchrotron Light Source II (NSLS-II), Brookhaven
National Laboratory, Upton, New York 11973, United States
| | - Steven N. Ehrlich
- National
Synchrotron Light Source II (NSLS-II), Brookhaven
National Laboratory, Upton, New York 11973, United States
| | - Nebojsa S. Marinkovic
- Department
of Chemical Engineering, Columbia University, New York, New York 10027, United States
| | - Jiguang Deng
- Beijing
Key Laboratory for Green Catalysis and Separation, Key Laboratory
of Beijing on Regional Air Pollution Control, Key Laboratory of Advanced
Functional Materials, Ministry of Education of China, Faculty of Environment
and Life, Beijing University of Technology, Beijing 100124, People’s Republic of China
| | | | - Fudong Liu
- Department
of Chemical and Environmental Engineering, University of California, Riverside, Riverside, California 92521, United States
- Department
of Civil, Environmental, and Construction Engineering, Catalysis Cluster
for Renewable Energy and Chemical Transformations (REACT), NanoScience
Technology Center (NSTC), University of
Central Florida, Orlando, Florida 32816, United States
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15
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Chen Z, Chen Y, Shi L, Li X, Xu G, Zeng X, Zheng X, Qi Z, Zhang K, Li J, Zhang S, Zhao Z, Zhang Y. Directional Construction of the Highly Stable Active-Site Ensembles at Sub-2 nm to Enhance Catalytic Activity and Selectivity. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2024:e2405733. [PMID: 39003615 DOI: 10.1002/adma.202405733] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/22/2024] [Revised: 06/04/2024] [Indexed: 07/15/2024]
Abstract
Precise control over the size, species, and breakthrough of the activity-selectivity trade-off are great challenges for sub-nano non-noble metal catalysts. Here, for the first time, a "multiheteroatom induced SMSI + in situ P activation" strategy that enables high stability and effective construction of sub-2 nm metal sites for optimizing selective hydrogenation performance is developed. It is synthesized the smallest metal phosphide clusters (<2 nm) including from unary to ternary non-noble metal systems, accompanied by unprecedented thermal stability. In the proof-of-concept demonstration, further modulation of size and species results in the creation of a sub-2 nm site platform, directionally achieving single atom (Ni1), Ni1+metal cluster (Ni1+Nin), or novel Ni1+metal phosphide cluster synergistic sites (Ni1+Ni2Pn), respectively. Based on thorough structure and mechanism investigation, it is found the Ni1+Ni2Pn site is motivated to achieve electronic structure self-optimizing through synergistic SMSI and site coupling effect. Therefore, it speeds up the substrate adsorption-desorption kinetics in semihydrogenation of alkyne and achieves superior catalytic activity that is 56 times higher than the Ni1 site under mild conditions. Compared to traditional active sites, this may represent the highly effective integration of atom utilization, thermal stability, and favorable site requirements for chemisorption properties and reactivities of substrates.
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Affiliation(s)
- Zemin Chen
- Key Laboratory of Precision and Intelligent Chemistry, University of Science and Technology of China, Hefei, 230026, China
| | - Yu Chen
- Shanghai Advanced Research Institute, Chinese Academy of Sciences, Shanghai, 201204, P. R. China
| | - Lei Shi
- The Instruments Center for Physical Science, University of Science and Technology of China, Hefei, 230026, China
| | - Xinyu Li
- Key Laboratory of Precision and Intelligent Chemistry, University of Science and Technology of China, Hefei, 230026, China
| | - Guangyue Xu
- Key Laboratory of Precision and Intelligent Chemistry, University of Science and Technology of China, Hefei, 230026, China
| | - Xiang Zeng
- Key Laboratory of Precision and Intelligent Chemistry, University of Science and Technology of China, Hefei, 230026, China
| | - Xusheng Zheng
- National Synchrotron Radiation Laboratory, University of Science and Technology of China, Hefei, 230026, China
| | - Zeming Qi
- National Synchrotron Radiation Laboratory, University of Science and Technology of China, Hefei, 230026, China
| | - Kaihang Zhang
- Brook Byers Institute of Sustainable Systems, School of Civil and Environmental Engineering, Georgia Institute of Technology, Atlanta, GA, 30332, USA
| | - Jiong Li
- Shanghai Advanced Research Institute, Chinese Academy of Sciences, Shanghai, 201204, P. R. China
| | - Shuo Zhang
- Shanghai Advanced Research Institute, Chinese Academy of Sciences, Shanghai, 201204, P. R. China
| | - Zhijian Zhao
- Key Laboratory for Green Chemical Technology of Ministry of Education, School of Chemical Engineering and Technology, Tianjin University, Tianjin, 300072, China
| | - Ying Zhang
- Key Laboratory of Precision and Intelligent Chemistry, University of Science and Technology of China, Hefei, 230026, China
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16
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Song J, Cai X, Chen Z, Wang T, Xi S, Hu Q, Yan N, Loh KP. Expedient alkyne semi-hydrogenation by using a bimetallic AgCu-C 3N 4 single atom catalyst. Chem Sci 2024; 15:10577-10584. [PMID: 38994434 PMCID: PMC11234819 DOI: 10.1039/d4sc02469a] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/14/2024] [Accepted: 06/03/2024] [Indexed: 07/13/2024] Open
Abstract
Metal-catalyzed semi-hydrogenation of alkynes is an important step in organic synthesis to produce diverse chemical compounds. However, conventional noble metal catalysts often suffer from poor selectivity owing to over-hydrogenation. Here, we demonstrate a high-loading bimetallic AgCu-C3N4 single-atom catalyst (SAC) for alkyne semi-hydrogenation. The AgCu-C3N4 SACs exhibit higher activity and selectivity (99%) than their low-loading variants due to the synergistic interaction of heteronuclear Ag-Cu sites at small inter-site distances. Using a combination of techniques such as phenylacetylene-DRIFTS, H2-temperature programmed desorption and DFT calculations, we showed that the cooperative bimetallic interaction during alkyne semi-hydrogenation was achieved by isolated Ag centers as hydrogen activation sites and isolated Cu centers as alkyne activation sites. Our work highlights the importance of achieving high catalyst loading to reduce the inter-site distance in bimetallic SACs for cooperative interactions, which can potentially open new catalytic pathways for synthesizing fine chemicals and pharmaceuticals.
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Affiliation(s)
- Jingting Song
- Department of Chemistry, National University of Singapore 3 Science Drive 3 Singapore 117543 Singapore
| | - Xiangbin Cai
- Division of Physics and Applied Physics, School of Physical and Mathematical Sciences, Nanyang Technological University Singapore 637371 Singapore
| | - Zhongxin Chen
- School of Science and Engineering, The Chinese University of Hong Kong Shenzhen Guangdong 518172 China
| | - Tie Wang
- Department of Chemical and Biomolecular Engineering, National University of Singapore 117585 Singapore
| | - Shibo Xi
- Institute of Chemical and Engineering Sciences, Agency for Science, Technology, and Research (A*STAR) 1 Pesek Road, Jurong Island Singapore 627833 Singapore
| | - Qikun Hu
- Department of Chemistry, National University of Singapore 3 Science Drive 3 Singapore 117543 Singapore
| | - Ning Yan
- Department of Chemical and Biomolecular Engineering, National University of Singapore 117585 Singapore
| | - Kian Ping Loh
- Department of Chemistry, National University of Singapore 3 Science Drive 3 Singapore 117543 Singapore
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17
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Gaikwad RP, Warkad IR, Chaudhari DS, Jiang S, Miller JT, Pham HN, Datye A, Gawande MB. Harnessing photocatalytic activity of mesoporous graphitic carbon nitride decorated by copper single-atom catalysts for oxidative dehydrogenation of N-heterocycles. J Colloid Interface Sci 2024; 676:485-495. [PMID: 39047376 DOI: 10.1016/j.jcis.2024.07.067] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/14/2024] [Revised: 07/03/2024] [Accepted: 07/07/2024] [Indexed: 07/27/2024]
Abstract
This work describes the application of Cu single-atom catalysts (SACs) for photocatalytic oxidative dehydrogenation of N-heterocyclic amines to the respective N-heteroaromatics through environmentally benign and sustainable pathways. The mesoporous graphitic carbon nitride (mpg-C3N4), prepared by the one-step pyrolysis method, possesses a lightweight material with a high surface area (95 m2 g-1) and an average pore diameter (3.6 nm). A simple microwave-assisted preparation method was employed to decorate Cu single-atom over mpg-C3N4 support. The Cu single-atom decorated on mpg-C3N4 support (Cu@mpg-C3N4) is characterized by various characterization techniques, including XRD, UV-visible spectrophotometry, HRTEM, HAADF-STEM with elemental mapping, AC-STEM, ICP-OES, XANES, EXAFS, and BET surface area. These characterization studies confirmed that the Cu@mpg-C3N4 catalyst exhibited high surface area, mesoporous nature, medium band gap, and low metal loading. The as-synthesized and well-characterized Cu@mpg-C3N4 single-atom photocatalyst is then evaluated for its efficacy in converting N-heterocycles into corresponding N-heteroaromatic compounds with excellent conversion and selectivity (>99 %). This transformation is achieved using water as a green solvent and a 30 W white light as a visible light source, demonstrating the catalyst's potential for sustainable and environmentally benign reactions.
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Affiliation(s)
- Rahul P Gaikwad
- Department of Industrial and Engineering Chemistry, Institute of Chemical Technology, Jalna, Maharashtra 431203, India
| | - Indrajeet R Warkad
- Department of Industrial and Engineering Chemistry, Institute of Chemical Technology, Jalna, Maharashtra 431203, India
| | - Dinesh S Chaudhari
- Department of Industrial and Engineering Chemistry, Institute of Chemical Technology, Jalna, Maharashtra 431203, India
| | - Shan Jiang
- Davidson School of Chemical Engineering, Purdue University, 480 Stadium Mall Drive, IN 47906, United States
| | - Jeffrey T Miller
- Davidson School of Chemical Engineering, Purdue University, 480 Stadium Mall Drive, IN 47906, United States
| | - Hien N Pham
- Department of Chemical Biological Engineering and Center for Micro-Engineered Materials, University of New Mexico, Albuquerque, NM 87131, United States
| | - Abhaya Datye
- Department of Chemical Biological Engineering and Center for Micro-Engineered Materials, University of New Mexico, Albuquerque, NM 87131, United States
| | - Manoj B Gawande
- Department of Industrial and Engineering Chemistry, Institute of Chemical Technology, Jalna, Maharashtra 431203, India; Nanotechnology Centre, Centre for Energy and Environmental Technologies, VˇSB-Technical University of Ostrava, 17. Listopadu 2172/15, 708 00 Ostrava-Poruba, Czech Republic.
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18
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Li M, Wen Y, Fang Y, Shan B. Molecular Wiring of Electrocatalytic Nitrate reduction to Ammonia and Water Oxidation by Iron-Coordinated Macroporous Conductive Networks. Angew Chem Int Ed Engl 2024; 63:e202405746. [PMID: 38666518 DOI: 10.1002/anie.202405746] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/25/2024] [Indexed: 07/02/2024]
Abstract
Developing stable electrocatalysts with accessible isolated sites is desirable but highly challenging due to metal agglomeration and low surface stability of host materials. Here we report a general approach for synthesis of single-site Fe electrocatalysts by integrating a solvated Fe complex in conductive macroporous organic networks through redox-active coordination linkages. Electrochemical activation of the electrode exposes high-density coordinately unsaturated Fe sites for efficient adsorption and conversion of reaction substrates such as NO3 - and H2O. Using the electrode with isolated active Fe sites, electrocatalytic NO3 - reduction and H2O oxidation can be coupled in a single cell to produce NH3 and O2 at Faradaic efficiencies of 97 % and 100 %, respectively. The electrode exhibits excellent robustness in electrocatalysis for 200 hours with small decrease in catalytic efficiencies. Both the maximized Fe-site efficiency and the microscopic localization effect of the conductive organic matrix contribute to the high catalytic performances, which provides new understandings in tuning the efficiencies of metal catalysts for high-performance electrocatalytic cells.
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Affiliation(s)
- Mengjie Li
- Department of Chemistry, Zhejiang University, Hangzhou, 310058, China
| | - Yingke Wen
- Department of Chemistry, Zhejiang University, Hangzhou, 310058, China
| | - Yanjie Fang
- Department of Chemistry, Zhejiang University, Hangzhou, 310058, China
| | - Bing Shan
- Department of Chemistry, Zhejiang University, Hangzhou, 310058, China
- Key Laboratory of Excited-State Materials of Zhejiang Province, Hangzhou, 310058, China
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19
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Mekkering MJ, Laan PCM, Troglia A, Bliem R, Kizilkaya AC, Rothenberg G, Yan N. Bottom-Up Synthesis of Platinum Dual-Atom Catalysts on Cerium Oxide. ACS Catal 2024; 14:9850-9859. [PMID: 38988652 PMCID: PMC11232020 DOI: 10.1021/acscatal.4c01840] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/26/2024] [Revised: 05/30/2024] [Accepted: 06/03/2024] [Indexed: 07/12/2024]
Abstract
We present here the synthesis and performance of dual-atom catalysts (DACs), analogous to well-known single-atom catalysts (SACs). DACs feature sites containing pairs of metal atoms and can outperform SACs due to their additional binding possibilities. Yet quantifying the improved catalytic activity in terms of proximity effects remains difficult, as it requires both high-resolution kinetic data and an understanding of the reaction pathways. Here, we use an automated bubble counter setup for comparing the catalytic performance of ceria-supported platinum SACs and DACs in ammonia borane hydrolysis. The catalysts were synthesized by wet impregnation and characterized using SEM, HAADF-STEM, XRD, XPS, and CO-DRIFTS. High-precision kinetic studies of ammonia borane hydrolysis in the presence of SACs show two temperature-dependent regions, with a transition point at 43 °C. Conversely, the DACs show only one regime. We show that this is because DACs preorganize both ammonia borane and water at the dual-atom active site. The additional proximal Pt atom improves the reaction rate 3-fold and enables faster reactions at lower temperatures. We suggest that the DACs enable the activation of the water-O-H bond as well as increase the hydrogen spillover effect due to the adjacent Pt site. Interestingly, using ammonia borane hydrolysis as a benchmark reaction gives further insight into hydrogen spillover mechanisms, above what is known from the CO oxidation studies.
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Affiliation(s)
- Martijn J Mekkering
- Van't Hoff Institute for Molecular Sciences, University of Amsterdam, Science Park 904, 1098 XH Amsterdam, The Netherlands
| | - Petrus C M Laan
- Van't Hoff Institute for Molecular Sciences, University of Amsterdam, Science Park 904, 1098 XH Amsterdam, The Netherlands
| | - Alessandro Troglia
- Advanced Research Center for Nanolithography (ARCNL), Science Park 106, 1098 XG Amsterdam, The Netherlands
| | - Roland Bliem
- Advanced Research Center for Nanolithography (ARCNL), Science Park 106, 1098 XG Amsterdam, The Netherlands
| | - Ali C Kizilkaya
- Van't Hoff Institute for Molecular Sciences, University of Amsterdam, Science Park 904, 1098 XH Amsterdam, The Netherlands
- Department of Chemical Engineering, Izmir Institute of Technology, 35430 Urla, Izmir, Turkey
| | - Gadi Rothenberg
- Van't Hoff Institute for Molecular Sciences, University of Amsterdam, Science Park 904, 1098 XH Amsterdam, The Netherlands
| | - Ning Yan
- Van't Hoff Institute for Molecular Sciences, University of Amsterdam, Science Park 904, 1098 XH Amsterdam, The Netherlands
- Key Laboratory of Artificial Micro- and Nano-Structures of Ministry of Education, School of Physics and Technology, Wuhan University, Wuhan 430072, China
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20
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Zhou D, Li Z, Hu X, Chen L, Zhu M. Single Atom Catalyst in Persulfate Oxidation Reaction: From Atom Species to Substance. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2024; 20:e2311691. [PMID: 38440836 DOI: 10.1002/smll.202311691] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/14/2023] [Revised: 02/09/2024] [Indexed: 03/06/2024]
Abstract
With maximum utilization of active metal sites, more and more researchers have reported using single atom catalysts (SACs) to activate persulfate (PS) for organic pollutants removal. In SACs, single metal atoms (Fe, Co, Cu, Mn, etc.) and different substrates (porous carbon, biochar, graphene oxide, carbon nitride, MOF, MoS2, and others) are the basic structural. Metal single atoms, substances, and connected chemical bonds all have a great influence on the electronic structures that directly affect the activation process of PS and degradation efficiency to organic pollutants. However, there are few relevant reviews about the interaction between metal single atoms and substances during PS activation process. In this review, the SACs with different metal species and substrates are summarized to investigate the metal-support interaction and evaluate their effects on PS oxidation reaction process. Furthermore, how metal atoms and substrates affect the reactive species and degradation pathways are also discussed. Finally, the challenges and prospects of SACs in PS-AOPs are proposed.
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Affiliation(s)
- Daixi Zhou
- Guangdong Key Laboratory of Environmental Pollution and Health, School of Environment, Jinan University, Guangzhou, 511443, P. R. China
| | - Zhi Li
- Guangdong Key Laboratory of Environmental Pollution and Health, School of Environment, Jinan University, Guangzhou, 511443, P. R. China
| | - Xinjiang Hu
- College of Environmental Science and Engineering, Central South University of Forestry and Technology, Changsha, 410004, P. R. China
| | - Li Chen
- Department of General Practice, First Medical Center, Chinese PLA General Hospital, Beijing, 100853, P. R. China
| | - Mingshan Zhu
- Guangdong Key Laboratory of Environmental Pollution and Health, School of Environment, Jinan University, Guangzhou, 511443, P. R. China
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21
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Wang X, Huang R, Mao X, Liu T, Guo P, Sun H, Mao Z, Han C, Zheng Y, Du A, Liu J, Jia Y, Wang L. Coupling Ni Single Atomic Sites with Metallic Aggregates at Adjacent Geometry on Carbon Support for Efficient Hydrogen Peroxide Electrosynthesis. ADVANCED SCIENCE (WEINHEIM, BADEN-WURTTEMBERG, GERMANY) 2024; 11:e2402240. [PMID: 38605604 PMCID: PMC11220688 DOI: 10.1002/advs.202402240] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/01/2024] [Revised: 03/06/2024] [Indexed: 04/13/2024]
Abstract
Single atomic catalysts have shown great potential in efficiently electro-converting O2 to H2O2 with high selectivity. However, the impact of coordination environment and introduction of extra metallic aggregates on catalytic performance still remains unclear. Herein, first a series of carbon-based catalysts with embedded coupling Ni single atomic sites and corresponding metallic nanoparticles at adjacent geometry is synthesized. Careful performance evaluation reveals NiSA/NiNP-NSCNT catalyst with precisely controlled active centers of synergetic adjacent Ni-N4S single sites and crystalline Ni nanoparticles exhibits a high H2O2 selectivity over 92.7% within a wide potential range (maximum selectivity can reach 98.4%). Theoretical studies uncover that spatially coupling single atomic NiN4S sites with metallic Ni aggregates in close proximity can optimize the adsorption behavior of key intermediates *OOH to achieve a nearly ideal binding strength, which thus affording a kinetically favorable pathway for H2O2 production. This strategy of manipulating the interaction between single atoms and metallic aggregates offers a promising direction to design new high-performance catalysts for practical H2O2 electrosynthesis.
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Affiliation(s)
- Xin Wang
- College of Chemical EngineeringZhejiang University of TechnologyHangzhou310014P. R. China
| | - Run Huang
- College of Chemical EngineeringZhejiang University of TechnologyHangzhou310014P. R. China
| | - Xin Mao
- School of ChemistryPhysics and Mechanical EngineeringQueensland University of TechnologyBrisbaneQLD4000Australia
| | - Tian Liu
- Division of Nanomaterials & ChemistryHefei National Research Center for Physical Sciences at the MicroscaleInstitute of EnergyHefei Comprehensive National Science CenterDepartment of ChemistryInstitute of Biomimetic Materials & ChemistryAnhui Engineering Laboratory of Biomimetic MaterialsUniversity of Science and Technology of ChinaHefei230026P. R. China
| | - Panjie Guo
- College of Chemical EngineeringZhejiang University of TechnologyHangzhou310014P. R. China
| | - Hai Sun
- College of Chemical EngineeringZhejiang University of TechnologyHangzhou310014P. R. China
| | - Zhelin Mao
- College of Chemical EngineeringZhejiang University of TechnologyHangzhou310014P. R. China
| | - Chao Han
- College of Chemical EngineeringZhejiang University of TechnologyHangzhou310014P. R. China
| | - Yarong Zheng
- Anhui Province Key Laboratory of Advanced Catalytic Materials and Reaction EngineeringSchool of Chemistry and Chemical EngineeringHefei University of TechnologyHefei230041P. R. China
| | - Aijun Du
- School of ChemistryPhysics and Mechanical EngineeringQueensland University of TechnologyBrisbaneQLD4000Australia
| | - Jianwei Liu
- Division of Nanomaterials & ChemistryHefei National Research Center for Physical Sciences at the MicroscaleInstitute of EnergyHefei Comprehensive National Science CenterDepartment of ChemistryInstitute of Biomimetic Materials & ChemistryAnhui Engineering Laboratory of Biomimetic MaterialsUniversity of Science and Technology of ChinaHefei230026P. R. China
| | - Yi Jia
- Petroleum and Chemical Industry Key Laboratory of Organic Electrochemical SynthesisCollege of Chemical EngineeringZhejiang Carbon Neutral Innovation InstituteZhejiang University of Technology (ZJUT)Hangzhou310014P. R. China
- Moganshan Institute ZJUTDeqing313200P. R. China
| | - Lei Wang
- College of Chemical EngineeringZhejiang University of TechnologyHangzhou310014P. R. China
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22
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Cheng L, Wu Q, Sun H, Tang Y, Xiang Q. Toward Functionality and Deactivation of Metal-Single-Atom in Heterogeneous Photocatalysts. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2024:e2406807. [PMID: 38923045 DOI: 10.1002/adma.202406807] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/13/2024] [Revised: 06/15/2024] [Indexed: 06/28/2024]
Abstract
Single-atom heterogeneous catalysts (SAHCs) provide an enticing platform for understanding catalyst structure-property-performance relationships. The 100% atom utilization and adjustable local coordination configurations make it easy to probe reaction mechanisms at the atomic level. However, the progressive deactivation of metal-single-atom (MSA) with high surface energy leads to frequent limitations on their commercial viability. This review focuses on the atomistic-sensitive reactivity and atomistic-progressive deactivation of MSA to provide a unifying framework for specific functionality and potential deactivation drivers of MSA, thereby bridging function, purpose-modification structure-performance insights with the atomistic-progressive deactivation for sustainable structure-property-performance accessibility. The dominant functionalization of atomically precise MSA acting on properties and reactivity encompassing precise photocatalytic reactions is first systematically explored. Afterward, a detailed analysis of various deactivation modes of MSA and strategies to enhance their durability is presented, providing valuable insights into the design of SAHCs with deactivation-resistant stability. Finally, the remaining challenges and future perspectives of SAHCs toward industrialization, anticipating shedding some light on the next stage of atom-economic chemical/energy transformations are presented.
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Affiliation(s)
- Lei Cheng
- Jiangsu Key Laboratory of New Power Batteries, Jiangsu Collaborative Innovation Center of Biomedical Functional Materials, School of Chemistry and Materials Science, Nanjing Normal University, Nanjing, 210023, P. R. China
| | - Qiaolin Wu
- Jiangsu Key Laboratory of New Power Batteries, Jiangsu Collaborative Innovation Center of Biomedical Functional Materials, School of Chemistry and Materials Science, Nanjing Normal University, Nanjing, 210023, P. R. China
| | - Hanjun Sun
- Jiangsu Key Laboratory of New Power Batteries, Jiangsu Collaborative Innovation Center of Biomedical Functional Materials, School of Chemistry and Materials Science, Nanjing Normal University, Nanjing, 210023, P. R. China
| | - Yawen Tang
- Jiangsu Key Laboratory of New Power Batteries, Jiangsu Collaborative Innovation Center of Biomedical Functional Materials, School of Chemistry and Materials Science, Nanjing Normal University, Nanjing, 210023, P. R. China
| | - Quanjun Xiang
- State Key Laboratory of Electronic Thin Film and Integrated Devices, School of Electronic Science and Engineering, University of Electronic Science and Technology of China Chengdu, Sichuan, 610054, P. R. China
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23
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Kang Y, Li S, Cretu O, Kimoto K, Zhao Y, Zhu L, Wei X, Fu L, Jiang D, Wan C, Jiang B, Asahi T, Zhang D, Li H, Yamauchi Y. Mesoporous amorphous non-noble metals as versatile substrates for high loading and uniform dispersion of Pt-group single atoms. SCIENCE ADVANCES 2024; 10:eado2442. [PMID: 38905333 PMCID: PMC11192073 DOI: 10.1126/sciadv.ado2442] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/24/2024] [Accepted: 05/14/2024] [Indexed: 06/23/2024]
Abstract
Atomically dispersed Pt-group metals are promising as nanocatalysts because of their unique geometric structures and ultrahigh atomic utilization. However, loading isolated Pt-group metals in single-atom alloys (SAAs) with distinctive bimetallic sites is challenging. In this study, we present amorphous mesoporous Ni boride (Ni-B) as an ideal substrate to uniformly disperse Pt atoms with tunable loadings (1.7 to 12.2 wt %). The effect of the morphology, composition, and crystal phase of the Ni-B host on the growth and dispersion of Pt atoms is discussed. The resulting amorphous Pt-Ni-B mesoporous nanospheres exhibit superior electrocatalytic H2 evolution performance in acidic media. This strategy holds the potential to synthesize a diverse library of mesoporous amorphous Pt-group SAAs, by leveraging functional amorphous nanostructured 3d transition-metal borides as substrates, thereby proposing a comprehensive strategy to control atomically dispersed Pt-group metals.
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Affiliation(s)
- Yunqing Kang
- Nanozyme Laboratory in Zhongyuan, Henan Academy of Innovations in Medical Science, Zhengzhou 451163, Henan, China
- Research Center for Materials Nanoarchitectonics, National Institute for Materials Science (NIMS), 1-1 Namiki, Tsukuba, Ibaraki 305-0044, Japan
| | - Shuangjun Li
- The Education Ministry Key Lab of Resource Chemistry, Joint International Research Laboratory of Resource Chemistry, Shanghai Frontiers Science Center of Biomimetic Catalysis, College of Chemistry and Materials Science, Shanghai Normal University, Shanghai 200234, China
| | - Ovidiu Cretu
- Electron Microscopy Group, Center for Basic Research on Materials, NIMS, Namiki 1-1, Tsukuba, Ibaraki 305-0044, Japan
| | - Koji Kimoto
- Electron Microscopy Group, Center for Basic Research on Materials, NIMS, Namiki 1-1, Tsukuba, Ibaraki 305-0044, Japan
| | - Yingji Zhao
- Faculty of Science and Engineering, Waseda University, 3-4-1 Okubo, Shinjuku, Tokyo 169-8555, Japan
| | - Liyang Zhu
- Faculty of Science and Engineering, Waseda University, 3-4-1 Okubo, Shinjuku, Tokyo 169-8555, Japan
| | - Xiaoqian Wei
- Faculty of Science and Engineering, Waseda University, 3-4-1 Okubo, Shinjuku, Tokyo 169-8555, Japan
| | - Lei Fu
- Research Center for Materials Nanoarchitectonics, National Institute for Materials Science (NIMS), 1-1 Namiki, Tsukuba, Ibaraki 305-0044, Japan
| | - Dong Jiang
- Faculty of Science and Engineering, Waseda University, 3-4-1 Okubo, Shinjuku, Tokyo 169-8555, Japan
| | - Chao Wan
- Research Center for Materials Nanoarchitectonics, National Institute for Materials Science (NIMS), 1-1 Namiki, Tsukuba, Ibaraki 305-0044, Japan
| | - Bo Jiang
- The Education Ministry Key Lab of Resource Chemistry, Joint International Research Laboratory of Resource Chemistry, Shanghai Frontiers Science Center of Biomimetic Catalysis, College of Chemistry and Materials Science, Shanghai Normal University, Shanghai 200234, China
| | - Toru Asahi
- Faculty of Science and Engineering, Waseda University, 3-4-1 Okubo, Shinjuku, Tokyo 169-8555, Japan
| | - Dieqing Zhang
- The Education Ministry Key Lab of Resource Chemistry, Joint International Research Laboratory of Resource Chemistry, Shanghai Frontiers Science Center of Biomimetic Catalysis, College of Chemistry and Materials Science, Shanghai Normal University, Shanghai 200234, China
| | - Hexing Li
- The Education Ministry Key Lab of Resource Chemistry, Joint International Research Laboratory of Resource Chemistry, Shanghai Frontiers Science Center of Biomimetic Catalysis, College of Chemistry and Materials Science, Shanghai Normal University, Shanghai 200234, China
| | - Yusuke Yamauchi
- Australian Institute for Bioengineering and Nanotechnology (AIBN) and School of Chemical Engineering, The University of Queensland, Brisbane, QLD 4072, Australia
- Department of Materials Process Engineering, Graduate School of Engineering, Nagoya University, Nagoya 464–8603, Japan
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24
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Zhen J, Sun J, Xu X, Wu Z, Song W, Ying Y, Liang S, Miao L, Cao J, Lv W, Song C, Yao Y, Xing M. M-N 3 Configuration on Boron Nitride Boosts Singlet Oxygen Generation via Peroxymonosulfate Activation for Selective Oxidation. Angew Chem Int Ed Engl 2024; 63:e202402669. [PMID: 38637296 DOI: 10.1002/anie.202402669] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/06/2024] [Revised: 04/02/2024] [Accepted: 04/17/2024] [Indexed: 04/20/2024]
Abstract
Singlet oxygen (1O2) is an essential reactive species responsible for selective oxidation of organic matter, especially in Fenton-like processes. However, due to the great limitations in synthesizing catalysts with well-defined active sites, the controllable production and practical application of 1O2 remain challenging. Herein, guided by theoretical simulations, a series of boron nitride-based single-atom catalysts (BvBN/M, M=Co, Fe, Cu, Ni and Mn) were synthesized to regulate 1O2 generation by activating peroxymonosulfate (PMS). All the fabricated BvBN/M catalysts with explicit M-N3 sites promoted the self-decomposition of the two PMS molecules to generate 1O2 with high selectivity, where BvBN/Co possessed moderate adsorption energy and d-band center exhibited superior catalytic activity. As an outcome, the BvBN/Co-PMS system coupled with membrane filtration technology could continuously transform aromatic alcohols to aldehydes with nearly 100 % selectivity and conversion rate under mild conditions, suggesting the potential of this novel catalytic system for green organic synthesis.
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Affiliation(s)
- Jianzheng Zhen
- National Engineering Lab of Textile Fiber Materials & Processing Technology (Zhejiang), Zhejiang Sci-Tech University, Hangzhou, 310018, China
| | - Jiahao Sun
- National Engineering Lab of Textile Fiber Materials & Processing Technology (Zhejiang), Zhejiang Sci-Tech University, Hangzhou, 310018, China
| | - Xiangwei Xu
- National Engineering Lab of Textile Fiber Materials & Processing Technology (Zhejiang), Zhejiang Sci-Tech University, Hangzhou, 310018, China
| | - Zenglong Wu
- National Engineering Lab of Textile Fiber Materials & Processing Technology (Zhejiang), Zhejiang Sci-Tech University, Hangzhou, 310018, China
| | - Wenkai Song
- National Engineering Lab of Textile Fiber Materials & Processing Technology (Zhejiang), Zhejiang Sci-Tech University, Hangzhou, 310018, China
| | - Yunzhan Ying
- National Engineering Lab of Textile Fiber Materials & Processing Technology (Zhejiang), Zhejiang Sci-Tech University, Hangzhou, 310018, China
| | - Shikun Liang
- National Engineering Lab of Textile Fiber Materials & Processing Technology (Zhejiang), Zhejiang Sci-Tech University, Hangzhou, 310018, China
| | - Lingshan Miao
- National Engineering Lab of Textile Fiber Materials & Processing Technology (Zhejiang), Zhejiang Sci-Tech University, Hangzhou, 310018, China
| | - Jiazhen Cao
- Key Laboratory for Advanced Materials and Joint International Research Laboratory of Precision Chemistry and Molecular Engineering, Feringa Nobel Prize Scientist Joint Research Center, School of Chemistry and Molecular Engineering, East China University of Science and Technology, 130 Meilong Road, Shanghai, 200237, China
| | - Weiyang Lv
- National Engineering Lab of Textile Fiber Materials & Processing Technology (Zhejiang), Zhejiang Sci-Tech University, Hangzhou, 310018, China
- Zhejiang Provincial Innovation Center of Advanced Textile Technology, Shaoxing, 312000, China
| | - Changsheng Song
- Key Laboratory of Optical Field Manipulation of Zhejiang Province, Department of Physics, Zhejiang Sci-Tech University, Hangzhou, 310018, China
| | - Yuyuan Yao
- National Engineering Lab of Textile Fiber Materials & Processing Technology (Zhejiang), Zhejiang Sci-Tech University, Hangzhou, 310018, China
- Zhejiang Provincial Innovation Center of Advanced Textile Technology, Shaoxing, 312000, China
| | - Mingyang Xing
- Key Laboratory for Advanced Materials and Joint International Research Laboratory of Precision Chemistry and Molecular Engineering, Feringa Nobel Prize Scientist Joint Research Center, School of Chemistry and Molecular Engineering, East China University of Science and Technology, 130 Meilong Road, Shanghai, 200237, China
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25
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Liang J, Cao G, Zeng M, Fu L. Controllable synthesis of high-entropy alloys. Chem Soc Rev 2024; 53:6021-6041. [PMID: 38738520 DOI: 10.1039/d4cs00034j] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/14/2024]
Abstract
High-entropy alloys (HEAs) involving more than four elements, as emerging alloys, have brought about a paradigm shift in material design. The unprecedented compositional diversities and structural complexities of HEAs endow multidimensional exploration space and great potential for practical benefits, as well as a formidable challenge for synthesis. To further optimize performance and promote advanced applications, it is essential to synthesize HEAs with desired characteristics to satisfy the requirements in the application scenarios. The properties of HEAs are highly related to their chemical compositions, microstructure, and morphology. In this review, a comprehensive overview of the controllable synthesis of HEAs is provided, ranging from composition design to morphology control, structure construction, and surface/interface engineering. The fundamental parameters and advanced characterization related to HEAs are introduced. We also propose several critical directions for future development. This review can provide insight and an in-depth understanding of HEAs, accelerating the synthesis of the desired HEAs.
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Affiliation(s)
- Jingjing Liang
- The Institute for Advanced Studies, Wuhan University, Wuhan 430072, China
| | - Guanghui Cao
- College of Chemistry and Molecular Sciences, Wuhan University, Wuhan 430072, China.
| | - Mengqi Zeng
- College of Chemistry and Molecular Sciences, Wuhan University, Wuhan 430072, China.
| | - Lei Fu
- The Institute for Advanced Studies, Wuhan University, Wuhan 430072, China
- College of Chemistry and Molecular Sciences, Wuhan University, Wuhan 430072, China.
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26
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Inico E, Saetta C, Di Liberto G. Impact of quantum size effects to the band gap of catalytic materials: a computational perspective. JOURNAL OF PHYSICS. CONDENSED MATTER : AN INSTITUTE OF PHYSICS JOURNAL 2024; 36:361501. [PMID: 38830369 DOI: 10.1088/1361-648x/ad53b5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/13/2024] [Accepted: 06/03/2024] [Indexed: 06/05/2024]
Abstract
The evolution of nanotechnology has facilitated the development of catalytic materials with controllable composition and size, reaching the sub-nanometer limit. Nowadays, a viable strategy for tailoring and optimizing the catalytic activity involves controlling the size of the catalyst. This strategy is underpinned by the fact that the properties and reactivity of objects with dimensions on the order of nanometers can differ from those of the corresponding bulk material, due to the emergence of quantum size effects. Quantum size effects have a deep influence on the band gap of semiconducting catalytic materials. Computational studies are valuable for predicting and estimating the impact of quantum size effects. This perspective emphasizes the crucial role of modeling quantum size effects when simulating nanostructured catalytic materials. It provides a comprehensive overview of the fundamental principles governing the physics of quantum confinement in various experimentally observable nanostructures. Furthermore, this work may serve as a tutorial for modeling the electronic gap of simple nanostructures, highlighting that when working at the nanoscale, the finite dimensions of the material lead to an increase of the band gap because of the emergence of quantum confinement. This aspect is sometimes overlooked in computational chemistry studies focused on surfaces and nanostructures.
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Affiliation(s)
- Elisabetta Inico
- Dipartimento di Scienza dei Materiali, Università degli Studi di Milano Bicocca, Via R. Cozzi 55, 20125 Milano, Italy
| | - Clara Saetta
- Dipartimento di Scienza dei Materiali, Università degli Studi di Milano Bicocca, Via R. Cozzi 55, 20125 Milano, Italy
| | - Giovanni Di Liberto
- Dipartimento di Scienza dei Materiali, Università degli Studi di Milano Bicocca, Via R. Cozzi 55, 20125 Milano, Italy
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27
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Jia C, Sun Q, Liu R, Mao G, Maschmeyer T, Gooding JJ, Zhang T, Dai L, Zhao C. Challenges and Opportunities for Single-Atom Electrocatalysts: From Lab-Scale Research to Potential Industry-Level Applications. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2024:e2404659. [PMID: 38870958 DOI: 10.1002/adma.202404659] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/31/2024] [Revised: 05/27/2024] [Indexed: 06/15/2024]
Abstract
Single-atom electrocatalysts (SACs) are a class of promising materials for driving electrochemical energy conversion reactions due to their intrinsic advantages, including maximum metal utilization, well-defined active structures, and strong interface effects. However, SACs have not reached full commercialization for broad industrial applications. This review summarizes recent research achievements in the design of SACs for crucial electrocatalytic reactions on their active sites, coordination, and substrates, as well as the synthesis methods. The key challenges facing SACs in activity, selectivity, stability, and scalability, are highlighted. Furthermore, it is pointed out the new strategies to address these challenges including increasing intrinsic activity of metal sites, enhancing the utilization of metal sites, improving the stability, optimizing the local environment, developing new fabrication techniques, leveraging insights from theoretical studies, and expanding potential applications. Finally, the views are offered on the future direction of single-atom electrocatalysis toward commercialization.
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Affiliation(s)
- Chen Jia
- School of Chemistry, The University of New South Wales, Sydney, New South Wales, 2052, Australia
| | - Qian Sun
- School of Chemistry, The University of New South Wales, Sydney, New South Wales, 2052, Australia
| | - Ruirui Liu
- School of Chemistry, The University of New South Wales, Sydney, New South Wales, 2052, Australia
| | - Guangzhao Mao
- School of Chemical Engineering, The University of New South Wales, Sydney, New South Wales, 2052, Australia
| | - Thomas Maschmeyer
- Laboratory of Advanced Catalysis for Sustainability, School of Chemistry, The University of Sydney, Sydney, New South Wales, 2006, Australia
| | - J Justin Gooding
- School of Chemistry, The University of New South Wales, Sydney, New South Wales, 2052, Australia
| | - Tao Zhang
- CAS Key Laboratory of Science and Technology on Applied Catalysis, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian, 116023, China
| | - Liming Dai
- School of Chemical Engineering, The University of New South Wales, Sydney, New South Wales, 2052, Australia
| | - Chuan Zhao
- School of Chemistry, The University of New South Wales, Sydney, New South Wales, 2052, Australia
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28
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Cui Y, Ren C, Li Q, Ling C, Wang J. Hybridization State Transition under Working Conditions: Activity Origin of Single-Atom Catalysts. J Am Chem Soc 2024; 146:15640-15647. [PMID: 38771765 DOI: 10.1021/jacs.4c05630] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/23/2024]
Abstract
Single-atom catalysts (SACs) have been widely investigated and have emerged as a transformative approach in electrocatalysis. Despite their clear structure, the origin of their exceptional activity remains elusive. Herein, we elucidate a common phenomenon of the hybridization state transition of metal centers, which is responsible for the activity origin across various SACs for different reactions. Focusing on N-doped carbon-supported Ni SAC (NiN4 SAC) for CO2 reduction reaction (CO2RR), our comprehensive computations successfully clarify the hybridization state transition under working conditions and its relation with the activity. This transition, triggered by the reaction intermediates and applied potential, converts the Ni center from the inert dsp2 hybridization state to the active d2sp3 hybridization state. Importantly, the calculated activity and selectivity of the CO2RR over the d2sp3-hybridized Ni center are consistent with the experimental results, offering strong support for the proposed hypothesis. This work suggests a universal principle of electronic structure evolution in SACs that could revolutionize catalyst design, which also introduces a new paradigm for manipulating electronic states to enhance catalytic performance, with implications for various reactions and catalyst platforms.
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Affiliation(s)
- Yu Cui
- Key Laboratory of Quantum Materials and Devices of Ministry of Education, School of Physics, Southeast University, Nanjing 211189, China
| | - Chunjin Ren
- Key Laboratory of Quantum Materials and Devices of Ministry of Education, School of Physics, Southeast University, Nanjing 211189, China
| | - Qiang Li
- Key Laboratory of Quantum Materials and Devices of Ministry of Education, School of Physics, Southeast University, Nanjing 211189, China
| | - Chongyi Ling
- Key Laboratory of Quantum Materials and Devices of Ministry of Education, School of Physics, Southeast University, Nanjing 211189, China
| | - Jinlan Wang
- Key Laboratory of Quantum Materials and Devices of Ministry of Education, School of Physics, Southeast University, Nanjing 211189, China
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29
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Ling LL, Guan X, Liu X, Lei XM, Lin Z, Jiang HL. Promoted hydrogenation of CO 2 to methanol over single-atom Cu sites with Na +-decorated microenvironment. Natl Sci Rev 2024; 11:nwae114. [PMID: 38712324 PMCID: PMC11073544 DOI: 10.1093/nsr/nwae114] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/22/2023] [Revised: 02/26/2024] [Accepted: 03/21/2024] [Indexed: 05/08/2024] Open
Abstract
Although single-atom Cu sites exhibit high efficiency in CO2 hydrogenation to methanol, they are prone to forming Cu nanoparticles due to reduction and aggregation under reaction conditions, especially at high temperatures. Herein, single-atom Cu sites stabilized by adjacent Na+ ions have been successfully constructed within a metal-organic framework (MOF)-based catalyst, namely MOF-808-NaCu. It is found that the electrostatic interaction between the Na+ and Hδ- species plays a pivotal role in upholding the atomic dispersion of Cu in MOF-808-NaCu during CO2 hydrogenation, even at temperatures of up to 275°C. This exceptional stabilization effect endows the catalyst with excellent activity (306 g·kgcat-1·h-1), high selectivity to methanol (93%) and long-term stability at elevated reaction temperatures, far surpassing the counterpart in the absence of Na+ (denoted as MOF-808-Cu). This work develops an effective strategy for the fabrication of stable single-atom sites for advanced catalysis by creating an alkali-decorated microenvironment in close proximity.
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Affiliation(s)
- Li-Li Ling
- Hefei National Research Center for Physical Sciences at the Microscale, Department of Chemistry, University of Science and Technology of China, Hefei 230026, China
| | - Xinyu Guan
- Hefei National Research Center for Physical Sciences at the Microscale, Department of Chemistry, University of Science and Technology of China, Hefei 230026, China
| | - Xiaoshuo Liu
- School of Energy and Power Engineering, North China Electric Power University, Baoding 071003, China
- School of Energy and Environment, Southeast University, Nanjing 210096, China
| | - Xiao-Mei Lei
- Hefei National Research Center for Physical Sciences at the Microscale, Department of Chemistry, University of Science and Technology of China, Hefei 230026, China
| | - Zhongyuan Lin
- Hefei National Research Center for Physical Sciences at the Microscale, Department of Chemistry, University of Science and Technology of China, Hefei 230026, China
| | - Hai-Long Jiang
- Hefei National Research Center for Physical Sciences at the Microscale, Department of Chemistry, University of Science and Technology of China, Hefei 230026, China
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30
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Fu Z, Fan K, He X, Wang Q, Yuan J, Lim KS, Tang JN, Xie F, Cui X. Single-Atom-Based Nanoenzyme in Tissue Repair. ACS NANO 2024; 18:12639-12671. [PMID: 38718193 DOI: 10.1021/acsnano.4c00308] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/22/2024]
Abstract
Since the discovery of ferromagnetic nanoparticles Fe3O4 that exhibit enzyme-like activity in 2007, the research on nanoenzymes has made significant progress. With the in-depth study of various nanoenzymes and the rapid development of related nanotechnology, nanoenzymes have emerged as a promising alternative to natural enzymes. Within nanozymes, there is a category of metal-based single-atom nanozymes that has been rapidly developed due to low cast, convenient preparation, long storage, less immunogenicity, and especially higher efficiency. More importantly, single-atom nanozymes possess the capacity to scavenge reactive oxygen species through various mechanisms, which is beneficial in the tissue repair process. Herein, this paper systemically highlights the types of metal single-atom nanozymes, their catalytic mechanisms, and their recent applications in tissue repair. The existing challenges are identified and the prospects of future research on nanozymes composed of metallic nanomaterials are proposed. We hope this review will illuminate the potential of single-atom nanozymes in tissue repair, encouraging their sequential clinical translation.
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Affiliation(s)
- Ziliang Fu
- Cardiac and Osteochondral Tissue Engineering (COTE) Group, School of Medicine, The Chinese University of Hong Kong, Shenzhen, Guangdong 518172, China
- Ciechanover Institute of Precision and Regenerative Medicine, School of Medicine, The Chinese University of Hong Kong, Shenzhen 518172, China
| | - Kexin Fan
- Cardiac and Osteochondral Tissue Engineering (COTE) Group, School of Medicine, The Chinese University of Hong Kong, Shenzhen, Guangdong 518172, China
- Ciechanover Institute of Precision and Regenerative Medicine, School of Medicine, The Chinese University of Hong Kong, Shenzhen 518172, China
| | - Xingjian He
- Cardiac and Osteochondral Tissue Engineering (COTE) Group, School of Medicine, The Chinese University of Hong Kong, Shenzhen, Guangdong 518172, China
- Ciechanover Institute of Precision and Regenerative Medicine, School of Medicine, The Chinese University of Hong Kong, Shenzhen 518172, China
| | - Qiguang Wang
- National Engineering Research Center for Biomaterials, Sichuan University, Chengdu, Sichuan 610065, China
| | - Jie Yuan
- Department of Cardiology, Shenzhen People's Hospital, Shenzhen, Guangdong 518001, China
| | - Khoon S Lim
- School of Medical Sciences, University of Sydney, NSW 2006, Australia
| | - Jun-Nan Tang
- Department of Cardiology, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, Henan 450052, China
- Henan Province Key Laboratory of Cardiac Injury and Repair, Zhengzhou, Henan 450052, China
- Henan Province Clinical Research Center for Cardiovascular Diseases, Zhengzhou, Henan 450052, China
| | - Fangxi Xie
- School of Chemical Engineering and Technology, Sun Yat-Sen University, Zhuhai, Guangdong 519082, China
| | - Xiaolin Cui
- Cardiac and Osteochondral Tissue Engineering (COTE) Group, School of Medicine, The Chinese University of Hong Kong, Shenzhen, Guangdong 518172, China
- Ciechanover Institute of Precision and Regenerative Medicine, School of Medicine, The Chinese University of Hong Kong, Shenzhen 518172, China
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31
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Chen J, Guo S, Wang L, Liu S, Wang H, Zhao Q. Atomic Molybdenum Nanomaterials for Electrocatalysis. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2024:e2401019. [PMID: 38757438 DOI: 10.1002/smll.202401019] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/14/2024] [Revised: 05/07/2024] [Indexed: 05/18/2024]
Abstract
As a sustainable energy technology, electrocatalytic energy conversion requires electrocatalysts, which greatly motivates the exploitation of high-performance electrocatalysts based on nonprecious metals. Molybdenum-based nanomaterials have demonstrated promise as electrocatalysts because of their unique physiochemical and electronic properties. Among them, atomic Mo catalysts, also called Mo-based single-atom catalysts (Mo-SACs), have the most accessible active sites and tunable microenvironments and are thrivingly explored in various electrochemical conversion reactions. A timely review of such rapidly developing topics is necessary to provide guidance for further exploration of optimized Mo-SACs toward electrochemical energy technologies. In this review, recent advances in the synthetic strategies for Mo-SACs are highlighted, focusing on the microenvironment engineering of Mo atoms. Then, the representative achievements of their applications in various electrocatalytic reactions involving the N2, H2O, and CO2 cycles are summarized by combining experimental and computational results. Finally, prospects for the future development of Mo-SACs in electrocatalysis are provided and the key challenges that require further investigation and optimization are highlighted.
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Affiliation(s)
- Jianmei Chen
- College of Electronic and Optical Engineering & College of Flexible Electronics (Future Technology), Nanjing University of Posts and Telecommunications, Nanjing, 210023, China
| | - Shanlu Guo
- College of Electronic and Optical Engineering & College of Flexible Electronics (Future Technology), Nanjing University of Posts and Telecommunications, Nanjing, 210023, China
| | - Longlu Wang
- College of Electronic and Optical Engineering & College of Flexible Electronics (Future Technology), Nanjing University of Posts and Telecommunications, Nanjing, 210023, China
| | - Shujuan Liu
- State Key Laboratory of Organic Electronics and Information Displays and Jiangsu Key Laboratory for Biosensors, Institute of Advanced Materials (IAM), Nanjing University of Posts and Telecommunications, Nanjing, 210023, China
| | - Hao Wang
- Research Institute of Superconductor Electronics, School of Electronic Science and Engineering, Nanjing University, Nanjing, 210023, China
| | - Qiang Zhao
- College of Electronic and Optical Engineering & College of Flexible Electronics (Future Technology), Nanjing University of Posts and Telecommunications, Nanjing, 210023, China
- State Key Laboratory of Organic Electronics and Information Displays and Jiangsu Key Laboratory for Biosensors, Institute of Advanced Materials (IAM), Nanjing University of Posts and Telecommunications, Nanjing, 210023, China
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32
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Zhao L, Dai Y, Zhang Y, Liu B, Guo P, Zhang Z, Shen L, Zhang N, Zheng Y, Zhang Z, Wang Z, Chen Z. Atomically Dispersed p-Block Aluminum-Based Catalysts for Oxygen Reduction Reaction. Angew Chem Int Ed Engl 2024; 63:e202402657. [PMID: 38477874 DOI: 10.1002/anie.202402657] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/05/2024] [Revised: 02/29/2024] [Accepted: 03/13/2024] [Indexed: 03/14/2024]
Abstract
The main group metals are commonly perceived as catalytically inert in the context of oxygen reduction reactions (ORR) due to the delocalized valence orbitals. Regulating the local environment and structure of metal center coordinated by nitrogen ligands (M-Nx) is a promising approach to accelerate catalytic dynamics. Herein, we, for the first time, report the atomically dispersed Al catalysts coordinated with N and C atoms for 4-electron ORR. The axial coordinated pyrrolyl N group (No) is constructed in the Al-N4-No moiety to regulate the p-band structure of Al center, effectively steering the local environment and structure of the square planar Al-N4 sites, which typically exhibit too strong interaction with ORR intermediates. The dynamic covalency competition of axial Al-No and Al-O bonding could endow the Al center with moderate hybridization between Al 3p orbital and O 2p orbital, alleviating the binding energy of ORR intermediates. The as-prepared Al-N4-No electrocatalyst exhibits excellent ORR activity, selectivity, and durability, along with the rapid kinetics as demonstrated by in situ Raman spectroscopy. This work offers a fundamental comprehension of the fine regulation on p-band and guides the rational design of main-group metal-based single atom catalysts.
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Affiliation(s)
- Lei Zhao
- MIIT Key Laboratory of Critical Materials Technology for New Energy Conversion and Storage, School of Chemistry and Chemical Engineering, State Key Laboratory of Space Power-Sources, Harbin Institute of Technology, Harbin, 150001, Heilongjiang, China
- Department of Chemical Engineering, Waterloo Institute for Nanotechnology, University of Waterloo, Waterloo, Ontario, N2 L 3G1, Canada
| | - Yunkun Dai
- MIIT Key Laboratory of Critical Materials Technology for New Energy Conversion and Storage, School of Chemistry and Chemical Engineering, State Key Laboratory of Space Power-Sources, Harbin Institute of Technology, Harbin, 150001, Heilongjiang, China
| | - Yunlong Zhang
- MIIT Key Laboratory of Critical Materials Technology for New Energy Conversion and Storage, School of Chemistry and Chemical Engineering, State Key Laboratory of Space Power-Sources, Harbin Institute of Technology, Harbin, 150001, Heilongjiang, China
| | - Bo Liu
- MIIT Key Laboratory of Critical Materials Technology for New Energy Conversion and Storage, School of Chemistry and Chemical Engineering, State Key Laboratory of Space Power-Sources, Harbin Institute of Technology, Harbin, 150001, Heilongjiang, China
| | - Pan Guo
- MIIT Key Laboratory of Critical Materials Technology for New Energy Conversion and Storage, School of Chemistry and Chemical Engineering, State Key Laboratory of Space Power-Sources, Harbin Institute of Technology, Harbin, 150001, Heilongjiang, China
| | - Ziyu Zhang
- MIIT Key Laboratory of Critical Materials Technology for New Energy Conversion and Storage, School of Chemistry and Chemical Engineering, State Key Laboratory of Space Power-Sources, Harbin Institute of Technology, Harbin, 150001, Heilongjiang, China
| | - Lixiao Shen
- MIIT Key Laboratory of Critical Materials Technology for New Energy Conversion and Storage, School of Chemistry and Chemical Engineering, State Key Laboratory of Space Power-Sources, Harbin Institute of Technology, Harbin, 150001, Heilongjiang, China
| | - Nian Zhang
- State Key Laboratory of Functional Materials for Informatics, Shanghai Institute of Microsystem and Information Technology, Chinese Academy of Sciences, Shanghai, 200050, China
| | - Yongping Zheng
- Advanced Energy Storage Technology Research Center, Shenzhen Institute of Advanced Technology, Chinese Academy of Sciences, Shenzhen, China
| | - Zhen Zhang
- Department of Chemical Engineering, Waterloo Institute for Nanotechnology, University of Waterloo, Waterloo, Ontario, N2 L 3G1, Canada
| | - Zhenbo Wang
- MIIT Key Laboratory of Critical Materials Technology for New Energy Conversion and Storage, School of Chemistry and Chemical Engineering, State Key Laboratory of Space Power-Sources, Harbin Institute of Technology, Harbin, 150001, Heilongjiang, China
- College of Materials Science and Engineering, Shenzhen University, Shenzhen, 518071, Guangdong, China
| | - Zhongwei Chen
- Department of Chemical Engineering, Waterloo Institute for Nanotechnology, University of Waterloo, Waterloo, Ontario, N2 L 3G1, Canada
- Power Battery & Systems Research Center, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian, 116023, China
- State Key Laboratory of Catalysis, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian, 116023, China
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33
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Moragues T, Giannakakis G, Ruiz-Ferrando A, Borca CN, Huthwelker T, Bugaev A, de Mello AJ, Pérez-Ramírez J, Mitchell S. Droplet-Based Microfluidics Reveals Insights into Cross-Coupling Mechanisms over Single-Atom Heterogeneous Catalysts. Angew Chem Int Ed Engl 2024; 63:e202401056. [PMID: 38472115 DOI: 10.1002/anie.202401056] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/16/2024] [Revised: 03/08/2024] [Accepted: 03/12/2024] [Indexed: 03/14/2024]
Abstract
Single-atom heterogeneous catalysts (SACs) hold promise as sustainable alternatives to metal complexes in organic transformations. However, their working structure and dynamics remain poorly understood, hindering advances in their design. Exploiting the unique features of droplet-based microfluidics, we present the first in-situ assessment of a palladium SAC based on exfoliated carbon nitride in Suzuki-Miyaura cross-coupling using X-ray absorption spectroscopy. Our results confirm a surface-catalyzed mechanism, revealing the distinct electronic structure of active Pd centers compared to homogeneous systems, and providing insights into the stabilizing role of ligands and bases. This study establishes a valuable framework for advancing mechanistic understanding of organic syntheses catalyzed by SACs.
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Affiliation(s)
- Thomas Moragues
- Institute of Chemical and Bioengineering, Department of Chemistry and Applied Biosciences, ETH Zürich, Vladimir-Prelog-Weg 1, Zürich, 8093, Switzerland
| | - Georgios Giannakakis
- Institute of Chemical and Bioengineering, Department of Chemistry and Applied Biosciences, ETH Zürich, Vladimir-Prelog-Weg 1, Zürich, 8093, Switzerland
| | - Andrea Ruiz-Ferrando
- Institute of Chemical Research of Catalonia (ICIQ-CERCA), Av. Països Catalans 16, Tarragona, 43007, Spain
- University of Rovira i Virgili, Av. Catalunya 35, Tarragona, 43002, Spain
| | - Camelia N Borca
- Paul Scherrer Institute, Forschungsstrasse 111, Villigen, 5232, Switzerland
| | - Thomas Huthwelker
- Paul Scherrer Institute, Forschungsstrasse 111, Villigen, 5232, Switzerland
| | - Aram Bugaev
- Paul Scherrer Institute, Forschungsstrasse 111, Villigen, 5232, Switzerland
| | - Andrew J de Mello
- Institute of Chemical and Bioengineering, Department of Chemistry and Applied Biosciences, ETH Zürich, Vladimir-Prelog-Weg 1, Zürich, 8093, Switzerland
| | - Javier Pérez-Ramírez
- Institute of Chemical and Bioengineering, Department of Chemistry and Applied Biosciences, ETH Zürich, Vladimir-Prelog-Weg 1, Zürich, 8093, Switzerland
| | - Sharon Mitchell
- Institute of Chemical and Bioengineering, Department of Chemistry and Applied Biosciences, ETH Zürich, Vladimir-Prelog-Weg 1, Zürich, 8093, Switzerland
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Feidenhans’l A, Regmi YN, Wei C, Xia D, Kibsgaard J, King LA. Precious Metal Free Hydrogen Evolution Catalyst Design and Application. Chem Rev 2024; 124:5617-5667. [PMID: 38661498 PMCID: PMC11082907 DOI: 10.1021/acs.chemrev.3c00712] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/02/2023] [Revised: 02/27/2024] [Accepted: 02/28/2024] [Indexed: 04/26/2024]
Abstract
The quest to identify precious metal free hydrogen evolution reaction catalysts has received unprecedented attention in the past decade. In this Review, we focus our attention to recent developments in precious metal free hydrogen evolution reactions in acidic and alkaline electrolyte owing to their relevance to commercial and near-commercial low-temperature electrolyzers. We provide a detailed review and critical analysis of catalyst activity and stability performance measurements and metrics commonly deployed in the literature, as well as review best practices for experimental measurements (both in half-cell three-electrode configurations and in two-electrode device testing). In particular, we discuss the transition from laboratory-scale hydrogen evolution reaction (HER) catalyst measurements to those in single cells, which is a critical aspect crucial for scaling up from laboratory to industrial settings but often overlooked. Furthermore, we review the numerous catalyst design strategies deployed across the precious metal free HER literature. Subsequently, we showcase some of the most commonly investigated families of precious metal free HER catalysts; molybdenum disulfide-based, transition metal phosphides, and transition metal carbides for acidic electrolyte; nickel molybdenum and transition metal phosphides for alkaline. This includes a comprehensive analysis comparing the HER activity between several families of materials highlighting the recent stagnation with regards to enhancing the intrinsic activity of precious metal free hydrogen evolution reaction catalysts. Finally, we summarize future directions and provide recommendations for the field in this area of electrocatalysis.
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Affiliation(s)
| | - Yagya N. Regmi
- Faculty
of Science and Engineering, Manchester Metropolitan
University, Manchester M1 5GD, U.K.
- Manchester
Fuel Cell Innovation Centre, Manchester
Metropolitan University, Manchester M1 5GD, U.K.
| | - Chao Wei
- Department
of Physics, Technical University of Denmark, 2800 Kongens Lyngby, Denmark
| | - Dong Xia
- Faculty
of Science and Engineering, Manchester Metropolitan
University, Manchester M1 5GD, U.K.
- Manchester
Fuel Cell Innovation Centre, Manchester
Metropolitan University, Manchester M1 5GD, U.K.
| | - Jakob Kibsgaard
- Department
of Physics, Technical University of Denmark, 2800 Kongens Lyngby, Denmark
| | - Laurie A. King
- Faculty
of Science and Engineering, Manchester Metropolitan
University, Manchester M1 5GD, U.K.
- Manchester
Fuel Cell Innovation Centre, Manchester
Metropolitan University, Manchester M1 5GD, U.K.
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Chen J, Xia Y, Ling Y, Liu X, Li S, Yin X, Zhang L, Liang M, Yan YM, Zheng Q, Chen W, Guo YJ, Yuan EH, Hu G, Zhou X, Wang L. Zn Single-Atom Catalysts Enable the Catalytic Transfer Hydrogenation of α ,β-Unsaturated Aldehydes. NANO LETTERS 2024; 24:5197-5205. [PMID: 38634879 DOI: 10.1021/acs.nanolett.4c00512] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 04/19/2024]
Abstract
Highly active nonprecious-metal single-atom catalysts (SACs) toward catalytic transfer hydrogenation (CTH) of α,β-unsaturated aldehydes are of great significance but still are deficient. Herein, we report that Zn-N-C SACs containing Zn-N3 moieties can catalyze the conversion of cinnamaldehyde to cinnamyl alcohol with a conversion of 95.5% and selectivity of 95.4% under a mild temperature and atmospheric pressure, which is the first case of Zn-species-based heterogeneous catalysts for the CTH reaction. Isotopic labeling, in situ FT-IR spectroscopy, and DFT calculations indicate that reactants, coabsorbed at the Zn sites, proceed CTH via a "Meerwein-Ponndorf-Verley" mechanism. DFT calculations also reveal that the high activity over Zn-N3 moieties stems from the suitable adsorption energy and favorable reaction energy of the rate-determining step at the Zn active sites. Our findings demonstrate that Zn-N-C SACs hold extraordinary activity toward CTH reactions and thus provide a promising approach to explore the advanced SACs for high-value-added chemicals.
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Affiliation(s)
- Jiawen Chen
- State Key Laboratory of Chemical Resource Engineering, Innovation Centre for Soft Matter Science and Engineering, College of Chemistry, Beijing University of Chemical Technology, Beijing 100029, People's Republic of China
| | - Yongming Xia
- State Key Laboratory of Organic-Inorganic Composites, College of Chemical Engineering, Beijing University of Chemical Technology, Beijing 100029, People's Republic of China
| | - Yuxuan Ling
- State Key Laboratory of Chemical Resource Engineering, Innovation Centre for Soft Matter Science and Engineering, College of Chemistry, Beijing University of Chemical Technology, Beijing 100029, People's Republic of China
| | - Xuehui Liu
- State Key Laboratory of Chemical Resource Engineering, Innovation Centre for Soft Matter Science and Engineering, College of Chemistry, Beijing University of Chemical Technology, Beijing 100029, People's Republic of China
| | - Shuyuan Li
- State Key Laboratory of Organic-Inorganic Composites, College of Chemical Engineering, Beijing University of Chemical Technology, Beijing 100029, People's Republic of China
| | - Xiong Yin
- State Key Laboratory of Chemical Resource Engineering, Innovation Centre for Soft Matter Science and Engineering, College of Chemistry, Beijing University of Chemical Technology, Beijing 100029, People's Republic of China
| | - Lipeng Zhang
- State Key Laboratory of Organic-Inorganic Composites, College of Chemical Engineering, Beijing University of Chemical Technology, Beijing 100029, People's Republic of China
| | - Minghui Liang
- CAS Key Laboratory of Standardization and Measurement for Nanotechnology, CAS Key Laboratory of Nanosystem and Hierarchical Fabrication, National Center for Nanoscience and Technology, Beijing 100190, People's Republic of China
| | - Yi-Ming Yan
- State Key Laboratory of Organic-Inorganic Composites, College of Chemical Engineering, Beijing University of Chemical Technology, Beijing 100029, People's Republic of China
| | - Qiang Zheng
- CAS Key Laboratory of Standardization and Measurement for Nanotechnology, CAS Key Laboratory of Nanosystem and Hierarchical Fabrication, National Center for Nanoscience and Technology, Beijing 100190, People's Republic of China
| | - Wenxing Chen
- Energy and Catalysis Center, School of Materials Science and Engineering, Beijing Institute of Technology, Beijing 100081, People's Republic of China
| | - Yan-Jun Guo
- CAS Key Laboratory of Standardization and Measurement for Nanotechnology, CAS Key Laboratory of Nanosystem and Hierarchical Fabrication, National Center for Nanoscience and Technology, Beijing 100190, People's Republic of China
| | - En-Hui Yuan
- School of Chemistry & Chemical Engineering, Shaanxi Normal University, Xi'an 710119, People's Republic of China
| | - Gaofei Hu
- State Key Laboratory of Chemical Resource Engineering, Innovation Centre for Soft Matter Science and Engineering, College of Chemistry, Beijing University of Chemical Technology, Beijing 100029, People's Republic of China
| | - Xiaole Zhou
- State Key Laboratory of Chemical Resource Engineering, Innovation Centre for Soft Matter Science and Engineering, College of Chemistry, Beijing University of Chemical Technology, Beijing 100029, People's Republic of China
| | - Leyu Wang
- State Key Laboratory of Chemical Resource Engineering, Innovation Centre for Soft Matter Science and Engineering, College of Chemistry, Beijing University of Chemical Technology, Beijing 100029, People's Republic of China
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36
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Zheng Z, Zhang C, Li J, Fang D, Tan P, Fang Q, Chen G. Density functional theory-based screening of Ti 4C 3O 2-loaded single atoms for efficient selective catalytic oxidation of formaldehyde. CHEMOSPHERE 2024; 356:142024. [PMID: 38614396 DOI: 10.1016/j.chemosphere.2024.142024] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/14/2024] [Revised: 03/25/2024] [Accepted: 04/10/2024] [Indexed: 04/15/2024]
Abstract
Indoor formaldehyde (HCHO) pollution poses a major risk to human health. Low-temperature catalytic oxidation is an effective method for HCHO removal. The high activity and selectivity of single atomic catalysts provide a possibility for the development of efficient non-precious metal catalysts. In this study, the most stable single-atom catalyst Ti-Ti4C3O2 was screened by density functional theory among many single atomic catalysts with two-dimensional (2D) monolayer Ti4C3O2 as the support. The computational results show that Ti-Ti4C3O2 is highly selective to HCHO and O2 in complex environments. The HCHO oxidation reaction pathways are proposed based on the Eley-Rideal (E-R) and Langmuir-Hinshelwood (L-H) mechanisms. According to the reaction energy and energy span models, the E-R mechanism has a lower maximum energy barrier and higher catalytic efficiency than the L-H mechanism. In addition, the stability of the Ti-Ti4C3O2 structure and active center was verified by diffusion energy barrier and ab initio molecular dynamics simulations. The above results indicate that Ti-Ti4C3O2 is a promising non-precious metal catalyst. The present study provides detailed theoretical insights into the catalytic oxidation of HCHO by Ti-Ti4C3O2, as well as an idea for the development of efficient non-precious metal catalysts based on 2D materials.
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Affiliation(s)
- Zhao Zheng
- State Key Laboratory of Coal Combustion, Huazhong University of Science and Technology, Luoyu Road 1037, Wuhan, 430074, China
| | - Cheng Zhang
- State Key Laboratory of Coal Combustion, Huazhong University of Science and Technology, Luoyu Road 1037, Wuhan, 430074, China.
| | - Junchen Li
- State Key Laboratory of Coal Combustion, Huazhong University of Science and Technology, Luoyu Road 1037, Wuhan, 430074, China
| | - Dingli Fang
- State Key Laboratory of Coal Combustion, Huazhong University of Science and Technology, Luoyu Road 1037, Wuhan, 430074, China
| | - Peng Tan
- State Key Laboratory of Coal Combustion, Huazhong University of Science and Technology, Luoyu Road 1037, Wuhan, 430074, China
| | - Qingyan Fang
- State Key Laboratory of Coal Combustion, Huazhong University of Science and Technology, Luoyu Road 1037, Wuhan, 430074, China
| | - Gang Chen
- State Key Laboratory of Coal Combustion, Huazhong University of Science and Technology, Luoyu Road 1037, Wuhan, 430074, China
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37
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Nie W, Ren T, Zhao W, Yao B, Yuan W, Liu X, Abdullah, Zhang J, Liu Q, Zhang T, Tang S, He C, Fang Y, Li X. Electrochemical Generation of Te Vacancy Pairs in PtTe for Efficient Hydrogen Evolution. ACS APPLIED MATERIALS & INTERFACES 2024; 16:21828-21837. [PMID: 38639177 DOI: 10.1021/acsami.4c01273] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 04/20/2024]
Abstract
Two-dimensional (2D) van der Waals materials are increasingly seen as potential catalysts due to their unique structures and unmatched properties. However, achieving precise synthesis of these remarkable materials and regulating their atomic and electronic structures at the most fundamental level to enhance their catalytic performance remain a significant challenge. In this study, we synthesized single-crystal bulk PtTe crystals via chemical vapor transport and subsequently produced atomically thin, large PtTe nanosheets (NSs) through electrochemical cathode intercalation. These NSs are characterized by a significant presence of Te vacancy pairs, leading to undercoordinated Pt atoms on their basal planes. Experimental and theoretical studies together reveal that Te vacancy pairs effectively optimize and enhance the electronic properties (such as charge distribution, density of states near the Fermi level, and d-band center) of the resultant undercoordinated Pt atoms. This optimization results in a significantly higher percentage of dangling O-H water, a decreased energy barrier for water dissociation, and an increased binding affinity of these Pt atoms to active hydrogen intermediates. Consequently, PtTe NSs featuring exposed and undercoordinated Pt atoms demonstrate outstanding electrocatalytic activity in hydrogen evolution reactions, significantly surpassing the performance of standard commercial Pt/C catalysts.
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Affiliation(s)
- Wenjie Nie
- College of Geology and Environment, Xi'an University of Science and Technology, Xi'an, Shaanxi 710054, China
| | - Taotao Ren
- College of Geology and Environment, Xi'an University of Science and Technology, Xi'an, Shaanxi 710054, China
- Department of Environmental Science and Engineering, School of Energy and Power Engineering, Xi'an Jiaotong University, Xi'an, Shaanxi 710049, China
| | - Wen Zhao
- Frontiers Science Center for Flexible Electronics, Xi'an Institute of Flexible Electronics (IFE) and Xi'an Institute of Biomedical Materials & Engineering, Northwestern Polytechnical University, Xi'an, Shaanxi 710072, China
| | - Bingqing Yao
- Department of Materials Science and Engineering, National University of Singapore, Singapore 119077, Singapore
| | - Wenhao Yuan
- Department of Materials Science and Engineering, National University of Singapore, Singapore 119077, Singapore
| | - Xuan Liu
- Department of Environmental Science and Engineering, School of Energy and Power Engineering, Xi'an Jiaotong University, Xi'an, Shaanxi 710049, China
| | - Abdullah
- Department of Environmental Science and Engineering, School of Energy and Power Engineering, Xi'an Jiaotong University, Xi'an, Shaanxi 710049, China
| | - Jiaxun Zhang
- College of Geology and Environment, Xi'an University of Science and Technology, Xi'an, Shaanxi 710054, China
- Department of Environmental Science and Engineering, School of Energy and Power Engineering, Xi'an Jiaotong University, Xi'an, Shaanxi 710049, China
| | - Qiyuan Liu
- Department of Environmental Science and Engineering, School of Energy and Power Engineering, Xi'an Jiaotong University, Xi'an, Shaanxi 710049, China
| | - Tianqing Zhang
- Department of Environmental Science and Engineering, School of Energy and Power Engineering, Xi'an Jiaotong University, Xi'an, Shaanxi 710049, China
| | - Shangfeng Tang
- Department of Environmental Science and Engineering, School of Energy and Power Engineering, Xi'an Jiaotong University, Xi'an, Shaanxi 710049, China
| | - Chi He
- Department of Environmental Science and Engineering, School of Energy and Power Engineering, Xi'an Jiaotong University, Xi'an, Shaanxi 710049, China
| | - Yiyun Fang
- Frontiers Science Center for Flexible Electronics, Xi'an Institute of Flexible Electronics (IFE) and Xi'an Institute of Biomedical Materials & Engineering, Northwestern Polytechnical University, Xi'an, Shaanxi 710072, China
| | - Xinzhe Li
- Department of Environmental Science and Engineering, School of Energy and Power Engineering, Xi'an Jiaotong University, Xi'an, Shaanxi 710049, China
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38
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Meese AF, Napier C, Kim DJ, Rigby K, Hedtke T, Leshchev D, Stavitski E, Parent LR, Kim JH. Underpotential Deposition of 3D Transition Metals: Versatile Electrosynthesis of Single-Atom Catalysts on Oxidized Carbon Supports. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2024; 36:e2311341. [PMID: 38332453 DOI: 10.1002/adma.202311341] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/28/2023] [Revised: 01/26/2024] [Indexed: 02/10/2024]
Abstract
Use of single-atom catalysts (SACs) has become a popular strategy for tuning activity and selectivity toward specific pathways. However, conventional SAC synthesis methods require high temperatures and pressures, complicated procedures, and expensive equipment. Recently, underpotential deposition (UPD) has been investigated as a promising alternative, yielding high-loading SAC electrodes under ambient conditions and within minutes. Yet only few studies have employed UPD to synthesize SACs, and all have been limited to UPD of Cu. In this work, a flexible UPD approach for synthesis of mono- and bi-metallic Cu, Fe, Co, and Ni SACs directly on oxidized, commercially available carbon electrodes is reported. The UPD mechanism is investigated using in situ X-ray absorption spectroscopy and, finally, the catalytic performance of a UPD-synthesized Co SAC is assessed for electrochemical nitrate reduction to ammonia. The findings expand upon the usefulness and versatility of UPD for SAC synthesis, with hopes of enabling future research toward realization of fast, reliable, and fully electrified SAC synthesis processes.
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Affiliation(s)
- Aidan Francis Meese
- Department of Chemical & Environmental Engineering, Yale University, New Haven, CT 06520, USA
| | - Cade Napier
- Department of Chemical & Environmental Engineering, Yale University, New Haven, CT 06520, USA
| | - David J Kim
- Department of Chemical & Environmental Engineering, Yale University, New Haven, CT 06520, USA
| | - Kali Rigby
- Department of Chemical & Environmental Engineering, Yale University, New Haven, CT 06520, USA
| | - Tayler Hedtke
- Department of Chemical & Environmental Engineering, Yale University, New Haven, CT 06520, USA
| | - Denis Leshchev
- National Synchrotron Light Source II, Brookhaven National Laboratory, Upton, NY, 11973, USA
| | - Eli Stavitski
- National Synchrotron Light Source II, Brookhaven National Laboratory, Upton, NY, 11973, USA
| | - Lucas R Parent
- Innovation Partnership Building, University of Connecticut, 159 Discovery Dr., Storrs, CT, 06269, USA
| | - Jae-Hong Kim
- Department of Chemical & Environmental Engineering, Yale University, New Haven, CT 06520, USA
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39
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Ren Y, Wang J, Zhang M, Wang Y, Cao Y, Kim DH, Liu Y, Lin Z. Strategies Toward High Selectivity, Activity, and Stability of Single-Atom Catalysts. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2024; 20:e2308213. [PMID: 38183335 DOI: 10.1002/smll.202308213] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/18/2023] [Revised: 11/07/2023] [Indexed: 01/08/2024]
Abstract
Single-atom catalysts (SACs) hold immense promise in facilitating the rational use of metal resources and achieving atomic economy due to their exceptional atom-utilization efficiency and distinct characteristics. Despite the growing interest in SACs, only limited reviews have holistically summarized their advancements centering on performance metrics. In this review, first, a thorough overview on the research progress in SACs is presented from a performance perspective and the strategies, advancements, and intriguing approaches employed to enhance the critical attributes in SACs are discussed. Subsequently, a comprehensive summary and critical analysis of the electrochemical applications of SACs are provided, with a particular focus on their efficacy in the oxygen reduction reaction , oxygen evolution reaction, hydrogen evolution reaction , CO2 reduction reaction, and N2 reduction reaction . Finally, the outline future research directions on SACs by concentrating on performance-driven investigation, where potential areas for improvement are identified and promising avenues for further study are highlighted, addressing challenges to unlock the full potential of SACs as high-performance catalysts.
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Affiliation(s)
- Yujing Ren
- Department of Chemical and Biomolecular Engineering, National University of Singapore, Singapore, 117585, Singapore
- School of Chemistry and Chemical Engineering, Beijing Institute of Technology, Beijing, 100081, China
| | - Jinyong Wang
- Department of Electrical and Computer Engineering, National University of Singapore, Singapore, 117576, Singapore
| | - Mingyue Zhang
- Department of Chemical and Biomolecular Engineering, National University of Singapore, Singapore, 117585, Singapore
| | - Yuqing Wang
- Department of Chemical and Biomolecular Engineering, National University of Singapore, Singapore, 117585, Singapore
| | - Yuan Cao
- Department of Chemical and Biomolecular Engineering, National University of Singapore, Singapore, 117585, Singapore
| | - Dong Ha Kim
- Department of Chemistry and NanoScience, Ewha Womans University, 52 Ewhayeodae-gil, Seodaemun-gu, Seoul, 03760, Republic of Korea
| | - Yan Liu
- Institute of Sustainability for Chemicals, Energy and Environment (ISCE2), Agency for Science, Technology and Research (A*STAR), 1 Pesek Road, Jurong Island, 627833, Singapore
| | - Zhiqun Lin
- Department of Chemical and Biomolecular Engineering, National University of Singapore, Singapore, 117585, Singapore
- Department of Chemistry and NanoScience, Ewha Womans University, 52 Ewhayeodae-gil, Seodaemun-gu, Seoul, 03760, Republic of Korea
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40
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Saetta C, Barlocco I, Liberto GD, Pacchioni G. Key Ingredients for the Screening of Single Atom Catalysts for the Hydrogen Evolution Reaction: The Case of Titanium Nitride. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2024:e2401058. [PMID: 38671564 DOI: 10.1002/smll.202401058] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/08/2024] [Revised: 04/10/2024] [Indexed: 04/28/2024]
Abstract
A computational screening of Single Atom Catalysts (SACs) bound to titanium nitride (TiN) is presented, for the Hydrogen Evolution Reaction (HER), based on density functional theory. The role of fundamental ingredients is explored to account for a reliable screening of SACs. Namely, the formation of H2-complexes besides the classical H* one impacts the predicted HER activity, in line with previous studies on other SACs. Also, the results indicate that one needs to adopt self-interaction-corrected functionals. Finally, predicting an active catalyst is of little help without an assessment of its stability. Thus, it is included in the theoretical framework the analysis of the stability of the SACs in working conditions of pH and voltage. Once unconventional intermediates and stability are considered in a self-interaction corrected scheme, the number of potential good catalysts for HER is strongly reduced since i) some potentially good catalysts are not stable against dissolution and ii) the formation of unconventional intermediates leads to thermodynamic barriers. This study highlights the importance of including ingredients for the prediction of new systems, such as the formation of unconventional intermediates, estimating the stability of SACs, and the adoption of self-interaction corrected functionals. Also, this study highlights some interesting candidates deserving of dedicated work.
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Affiliation(s)
- Clara Saetta
- Dipartimento di Scienza dei Materiali, Università degli studi di Milano Bicocca, Via R. Cozzi 55, Milano, 20125, Italy
| | - Ilaria Barlocco
- Dipartimento di Scienza dei Materiali, Università degli studi di Milano Bicocca, Via R. Cozzi 55, Milano, 20125, Italy
| | - Giovanni Di Liberto
- Dipartimento di Scienza dei Materiali, Università degli studi di Milano Bicocca, Via R. Cozzi 55, Milano, 20125, Italy
| | - Gianfranco Pacchioni
- Dipartimento di Scienza dei Materiali, Università degli studi di Milano Bicocca, Via R. Cozzi 55, Milano, 20125, Italy
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41
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Clausen KU, Schlimm A, Bedbur K, Näther C, Strunskus T, Fu L, Gruber M, Berndt R, Tuczek F. Molybdenum(0)-Tricarbonyl Complex Supported by an Azacalix-pyridine Ligand: Synthesis, Characterization, Surface Deposition and Conversion to a Molybdenum(VI)-Trioxo Complex with O 2. Chemistry 2024; 30:e202303912. [PMID: 38319524 DOI: 10.1002/chem.202303912] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/24/2023] [Revised: 02/02/2024] [Accepted: 02/06/2024] [Indexed: 02/07/2024]
Abstract
Adsorption of metal-organic complexes on metallic surfaces to produce well-defined single site catalysts is a novel approach combining the advantages of homogeneous and heterogeneous catalysis. To avoid the "surface trans-effect" a dome-shaped molybdenum(0) tricarbonyl complex supported by an tolylazacalix[3](2,6)pyridine ligand is synthesized. This vacuum-evaporable complex both activates CO and reacts with molecular oxygen (O2) to form a Mo(VI) trioxo complex which in turn is capable of catalytically mediating oxygen transfer. The molybdenum tricarbonyl- and trioxo complexes are investigated in the solid state, in homogeneous solution and on noble metal surfaces (Cu, Au) employing a range of spectroscopic and analytical methods.
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Affiliation(s)
- Kai Uwe Clausen
- Institute of Inorganic Chemistry, Christian-Albrechts-University of Kiel, Max-Eyth Straße 2, 24118, Kiel, Germany
| | - Alexander Schlimm
- Institute of Inorganic Chemistry, Christian-Albrechts-University of Kiel, Max-Eyth Straße 2, 24118, Kiel, Germany
| | - Katja Bedbur
- Institute of Inorganic Chemistry, Christian-Albrechts-University of Kiel, Max-Eyth Straße 2, 24118, Kiel, Germany
| | - Christian Näther
- Institute of Inorganic Chemistry, Christian-Albrechts-University of Kiel, Max-Eyth Straße 2, 24118, Kiel, Germany
| | - Thomas Strunskus
- Department of Material Science, Christian-Albrechts-University of Kiel, Kaiserstraße 1, 24143, Kiel, Germany
| | - Ling Fu
- Institute of Experimental and Applied Physics, Christian-Albrechts-University of Kiel, Leibnizstraße 11-19, 24118, Kiel, Germany
| | - Manuel Gruber
- Faculty of Physics, University of Duisburg-Essen, Lotharstr. 1, 47057, Duisburg, Germany
| | - Richard Berndt
- Institute of Experimental and Applied Physics, Christian-Albrechts-University of Kiel, Leibnizstraße 11-19, 24118, Kiel, Germany
| | - Felix Tuczek
- Institute of Inorganic Chemistry, Christian-Albrechts-University of Kiel, Max-Eyth Straße 2, 24118, Kiel, Germany
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42
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Wang Z, Zhou X, Wang G, Tong Q, Wan H, Dong L. High-Performance Ir 1/CeO 2 Single-Atom Catalyst for the Oxidation of Toluene. Inorg Chem 2024; 63:7241-7254. [PMID: 38581386 DOI: 10.1021/acs.inorgchem.3c04589] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/08/2024]
Abstract
The elimination of toluene is an obligatory target with increasing VOC emission in recent years. This study successfully prepared a single-atom Ir catalyst (Ir1/CeO2) by a simple incipient wetness impregnation method, confirmed by in situ CO DRIFTS and AC-HAADF-STEM. Compared to the cluster Ir catalyst (Ir/CeO2-C), Ir1/CeO2 exhibited excellent catalytic performance, stability, and water resistance for the oxidation of toluene. By Raman, H2-TPR, O2-TPD, and XPS experiments, abundant oxygen defects and a unique Ir3+-Ov-Ce3+ structure were formed for the Ir1/CeO2 sample because it had a lower oxygen vacancy formation energy. Furthermore, the DFT results revealed that the Ir1/CeO2 sample had a lower ring-opening energy barrier and adsorption energy of the ring-opening products, which was the rate-determining step for the oxidation of toluene. This work provides instructive insights into the construction of Ir/CeO2 catalysts for the highly efficient removal of VOCs.
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Affiliation(s)
- Zhiqiang Wang
- State Key Laboratory of Pollution Control and Resource Reuse, School of the Environment, School of Chemistry and Chemical Engineering, Jiangsu Key Laboratory of Vehicle Emissions Control, Nanjing University, Nanjing 210023, China
| | - Xiaomei Zhou
- College of Chemistry, Nankai University, Tianjin 300071, China
| | - Gehui Wang
- State Key Laboratory of Pollution Control and Resource Reuse, School of the Environment, School of Chemistry and Chemical Engineering, Jiangsu Key Laboratory of Vehicle Emissions Control, Nanjing University, Nanjing 210023, China
| | - Qing Tong
- State Key Laboratory of Pollution Control and Resource Reuse, School of the Environment, School of Chemistry and Chemical Engineering, Jiangsu Key Laboratory of Vehicle Emissions Control, Nanjing University, Nanjing 210023, China
| | - Haiqin Wan
- State Key Laboratory of Pollution Control and Resource Reuse, School of the Environment, School of Chemistry and Chemical Engineering, Jiangsu Key Laboratory of Vehicle Emissions Control, Nanjing University, Nanjing 210023, China
| | - Lin Dong
- State Key Laboratory of Pollution Control and Resource Reuse, School of the Environment, School of Chemistry and Chemical Engineering, Jiangsu Key Laboratory of Vehicle Emissions Control, Nanjing University, Nanjing 210023, China
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43
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Gao Q, Han X, Liu Y, Zhu H. Electrifying Energy and Chemical Transformations with Single-Atom Alloy Nanoparticle Catalysts. ACS Catal 2024; 14:6045-6061. [PMID: 38660612 PMCID: PMC11036398 DOI: 10.1021/acscatal.4c00365] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/16/2024] [Revised: 03/26/2024] [Accepted: 03/29/2024] [Indexed: 04/26/2024]
Abstract
Single-atom alloys (SAAs) have attracted considerable attention as promising electrocatalysts in reactions central to energy conversion and chemical transformation. In contrast to monometallic nanocrystals and metal alloys, SAAs possess unique and intriguing physicochemical properties, positioning them as ideal model systems for studying structure-property relationships. However, the field is still in its early stages. In this Perspective, we first review and summarize rational synthesis methods and advanced characterization techniques for SAA nanoparticle catalysts. We then emphasize the extensive applications of SAAs in a range of electrocatalytic reactions, including fuel cell reactions, water splitting, and carbon dioxide and nitrate reductions. Finally, we provide insights into existing challenges and prospects associated with the controlled synthesis, characterization, and design of SAA catalysts.
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Affiliation(s)
- Qiang Gao
- Department
of Chemistry, University of Virginia, Charlottesville, Virginia 22904, United States
| | - Xue Han
- Department
of Chemical Engineering, Virginia Polytechnic
Institute and State University, Blacksburg, Virginia 24061, United States
| | - Yuanqi Liu
- Department
of Chemical Engineering, University of Virginia, Charlottesville, Virginia 22904, United States
| | - Huiyuan Zhu
- Department
of Chemistry, University of Virginia, Charlottesville, Virginia 22904, United States
- Department
of Chemical Engineering, University of Virginia, Charlottesville, Virginia 22904, United States
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44
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Gao Y, Xue Y, Wu H, Chen S, Zheng X, Xing C, Li Y. Self-Organized Gradually Single-Atom-Layer of Metal Osmium for an Unprecedented Hydrogen Production from Seawater. J Am Chem Soc 2024; 146:10573-10580. [PMID: 38567542 DOI: 10.1021/jacs.4c00027] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/04/2024]
Abstract
Atomic thick two-dimensional (2D) materials with exciting physical, chemical, and electronic properties are gaining increasing attention in next-generation science and technology, showing great promise in catalysis and energy science. However, the precise design and synthesis of efficient catalytic systems based on such materials still face many difficulties, especially in how to control the preparation of structurally determined, highly active, atomic-scale distribution of material systems. Here, we report that a highly active zerovalent osmium single-atom-layer with a thickness of single atom size has been successfully and controllably self-organized on the surface of 2D graphdiyne (GDY) material. Detailed characterizations showed that the incomplete charge transfer effect between the Os atoms and GDY not only stabilized the catalytic system but also improved the intrinsic activity, making the Gibbs free energy reach the best and resulting in remarkable performance with a small overpotential of 49 mV at 500 mA cm-2, large specific j0 of 18.6 mA cm-2, and turnover frequency of 3.89 H2 s-1 at 50 mV. In addition, the formation of sp-C-Os bonds guarantees the high long-term stability of 800 h at a large current density of 500 mA cm-2 in alkaline simulated seawater.
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Affiliation(s)
- Yang Gao
- CAS Key Laboratory of Organic Solids, Institute of Chemistry Chinese Academy of Sciences, Beijing 100190, China
| | - Yurui Xue
- CAS Key Laboratory of Organic Solids, Institute of Chemistry Chinese Academy of Sciences, Beijing 100190, China
- Shandong Provincial Key Laboratory for Science of Material Creation and Energy Conversion, Science Center for Material Creation and Energy Conversion, School of Chemistry and Chemical Engineering, Shandong University, Jinan 250100, China
| | - Han Wu
- CAS Key Laboratory of Organic Solids, Institute of Chemistry Chinese Academy of Sciences, Beijing 100190, China
- School of Chemical Sciences, University of Chinese Academy of Sciences, Beijing 100049, China
| | - Siao Chen
- CAS Key Laboratory of Organic Solids, Institute of Chemistry Chinese Academy of Sciences, Beijing 100190, China
- School of Chemical Sciences, University of Chinese Academy of Sciences, Beijing 100049, China
| | - Xuchen Zheng
- CAS Key Laboratory of Organic Solids, Institute of Chemistry Chinese Academy of Sciences, Beijing 100190, China
- School of Chemical Sciences, University of Chinese Academy of Sciences, Beijing 100049, China
| | - Chengyu Xing
- CAS Key Laboratory of Organic Solids, Institute of Chemistry Chinese Academy of Sciences, Beijing 100190, China
| | - Yuliang Li
- CAS Key Laboratory of Organic Solids, Institute of Chemistry Chinese Academy of Sciences, Beijing 100190, China
- School of Chemical Sciences, University of Chinese Academy of Sciences, Beijing 100049, China
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45
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Chen Y, Zhang R, Chen Z, Liao J, Song X, Liang X, Wang Y, Dong J, Singh CV, Wang D, Li Y, Toste FD, Zhao J. Heterogeneous Rhodium Single-Atom-Site Catalyst Enables Chemoselective Carbene N-H Bond Insertion. J Am Chem Soc 2024; 146:10847-10856. [PMID: 38583085 PMCID: PMC11027138 DOI: 10.1021/jacs.4c01408] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/29/2024] [Revised: 03/08/2024] [Accepted: 03/12/2024] [Indexed: 04/08/2024]
Abstract
Transition-metal-catalyzed carbene insertion reactions of a nitrogen-hydrogen bond have emerged as robust and versatile methods for the construction of C-N bonds. While significant progress of homogeneous catalytic metal carbene N-H insertions has been achieved, the control of chemoselectivity in the field remains challenging due to the high electrophilicity of the metal carbene intermediates. Herein, we present an efficient strategy for the synthesis of a rhodium single-atom-site catalyst (Rh-SA) that incorporates a Rh atom surrounded by three nitrogen atoms and one phosphorus atom doped in a carbon support. This Rh-SA catalyst, with a catalyst loading of only 0.15 mol %, exhibited exceptional catalytic performance for heterogeneous carbene insertion with various anilines and heteroaryl amines in combination with diazo esters. Importantly, the heterogeneous catalyst selectively transformed aniline derivatives bearing multiple nucleophilic moieties into single N-H insertion isomers, while the popular homogeneous Rh2(OAc)4 catalyst produced a mixture of overfunctionalized side products. Additionally, similar selectivities for N-H bond insertion with a set of stereoelectronically diverse diazo esters were obtained, highlighting the general applicability of this heterogeneous catalysis approach. On the basis of density functional theory calculations, the observed selectivity of the Rh-SA catalyst was attributed to the insertion barriers and the accelerated proton transfer assisted by the phosphorus atom in the support. Overall, this investigation of heterogeneous metal-catalyzed carbene insertion underscores the potential of single-atom-site catalysis as a powerful and complementary tool in organic synthesis.
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Affiliation(s)
- Yuanjun Chen
- Key
Laboratory for Advanced Materials and Joint International Research
Laboratory of Precision Chemistry and Molecular Engineering, Feringa
Nobel Prize Scientist Joint Research Center, Frontiers Science Center
for Materiobiology and Dynamic Chemistry, School of Chemistry and
Molecular Engineering, East China University
of Science and Technology, Shanghai, 200237, People’s Republic of China
- Department
of Chemistry, Tsinghua University, Beijing, 100084, People’s Republic of China
| | - Ruixue Zhang
- Key
Laboratory for Advanced Materials and Joint International Research
Laboratory of Precision Chemistry and Molecular Engineering, Feringa
Nobel Prize Scientist Joint Research Center, Frontiers Science Center
for Materiobiology and Dynamic Chemistry, School of Chemistry and
Molecular Engineering, East China University
of Science and Technology, Shanghai, 200237, People’s Republic of China
| | - Zhiwen Chen
- Department
of Materials Science and Engineering, University
of Toronto, Toronto, Ontario M5S3E4, Canada
| | - Jiangwen Liao
- Beijing
Synchrotron Radiation Facility, Institute of High Energy Physics, Chinese Academy of Sciences, Beijing 100049, People’s Republic of China
| | - Xuedong Song
- Key
Laboratory for Advanced Materials and Joint International Research
Laboratory of Precision Chemistry and Molecular Engineering, Feringa
Nobel Prize Scientist Joint Research Center, Frontiers Science Center
for Materiobiology and Dynamic Chemistry, School of Chemistry and
Molecular Engineering, East China University
of Science and Technology, Shanghai, 200237, People’s Republic of China
| | - Xiao Liang
- Department
of Chemistry, Tsinghua University, Beijing, 100084, People’s Republic of China
| | - Yu Wang
- Shanghai
Synchrotron Radiation Facility, Zhangjiang Laboratory, Shanghai Advanced
Research Institute, Chinese Academy of Sciences, Shanghai, 201204, People’s Republic of China
| | - Juncai Dong
- Beijing
Synchrotron Radiation Facility, Institute of High Energy Physics, Chinese Academy of Sciences, Beijing 100049, People’s Republic of China
| | - Chandra Veer Singh
- Department
of Materials Science and Engineering, University
of Toronto, Toronto, Ontario M5S3E4, Canada
| | - Dingsheng Wang
- Department
of Chemistry, Tsinghua University, Beijing, 100084, People’s Republic of China
| | - Yadong Li
- Department
of Chemistry, Tsinghua University, Beijing, 100084, People’s Republic of China
| | - F. Dean Toste
- Chemical
Science Division, Lawrence Berkeley National
Laboratory, Berkeley, California 94720, United States
- Department
of Chemistry, University of California, Berkeley, California 94720, United States
| | - Jie Zhao
- Key
Laboratory for Advanced Materials and Joint International Research
Laboratory of Precision Chemistry and Molecular Engineering, Feringa
Nobel Prize Scientist Joint Research Center, Frontiers Science Center
for Materiobiology and Dynamic Chemistry, School of Chemistry and
Molecular Engineering, East China University
of Science and Technology, Shanghai, 200237, People’s Republic of China
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46
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Wang C, Sombut P, Puntscher L, Jakub Z, Meier M, Pavelec J, Bliem R, Schmid M, Diebold U, Franchini C, Parkinson GS. CO-Induced Dimer Decay Responsible for Gem-Dicarbonyl Formation on a Model Single-Atom Catalyst. Angew Chem Int Ed Engl 2024; 63:e202317347. [PMID: 38294119 DOI: 10.1002/anie.202317347] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/14/2023] [Revised: 01/11/2024] [Accepted: 01/17/2024] [Indexed: 02/01/2024]
Abstract
The ability to coordinate multiple reactants at the same active site is important for the wide-spread applicability of single-atom catalysis. Model catalysts are ideal to investigate the link between active site geometry and reactant binding, because the structure of single-crystal surfaces can be precisely determined, the adsorbates imaged by scanning tunneling microscopy (STM), and direct comparisons made to density functional theory. In this study, we follow the evolution of Rh1 adatoms and minority Rh2 dimers on Fe3O4(001) during exposure to CO using time-lapse STM at room temperature. CO adsorption at Rh1 sites results exclusively in stable Rh1CO monocarbonyls, because the Rh atom adapts its coordination to create a stable pseudo-square planar environment. Rh1(CO)2 gem-dicarbonyl species are also observed, but these form exclusively through the breakup of Rh2 dimers via an unstable Rh2(CO)3 intermediate. Overall, our results illustrate how minority species invisible to area-averaging spectra can play an important role in catalytic systems, and show that the decomposition of dimers or small clusters can be an avenue to produce reactive, metastable configurations in single-atom catalysis.
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Affiliation(s)
- Chunlei Wang
- Institute of Applied Physics, TU Wien, Vienna, 1040, Austria
| | - Panukorn Sombut
- Institute of Applied Physics, TU Wien, Vienna, 1040, Austria
| | - Lena Puntscher
- Institute of Applied Physics, TU Wien, Vienna, 1040, Austria
| | - Zdenek Jakub
- Institute of Applied Physics, TU Wien, Vienna, 1040, Austria
- Central European Institute of Technology (CEITEC), Brno University of Technology, Brno, 612 00, Czechia
| | - Matthias Meier
- Institute of Applied Physics, TU Wien, Vienna, 1040, Austria
- Faculty of Physics, Center for Computational Materials Science, University of Vienna, Vienna, 1090, Austria
| | - Jiri Pavelec
- Institute of Applied Physics, TU Wien, Vienna, 1040, Austria
| | - Roland Bliem
- Advanced Research Center for Nanolithography, 1098XG, Amsterdam, Netherlands
| | - Michael Schmid
- Institute of Applied Physics, TU Wien, Vienna, 1040, Austria
| | - Ulrike Diebold
- Institute of Applied Physics, TU Wien, Vienna, 1040, Austria
| | - Cesare Franchini
- Faculty of Physics, Center for Computational Materials Science, University of Vienna, Vienna, 1090, Austria
- Dipartimento di Fisica e Astronomia, Università di Bologna, Bologna, 40127, Italy
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47
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Ma L, Guan R, Kang W, Sun Z, Li H, Li Q, Shen Q, Chen C, Liu X, Jia H, Xue J. Preparation of highly dispersed Ni single-atom doped ultrathin g-C 3N 4 nanosheets by metal vapor exfoliation for efficient photocatalytic CO 2 reduction. J Colloid Interface Sci 2024; 660:381-392. [PMID: 38244504 DOI: 10.1016/j.jcis.2024.01.023] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/17/2023] [Revised: 12/27/2023] [Accepted: 01/04/2024] [Indexed: 01/22/2024]
Abstract
Single-atom photocatalysts can modulate the utilization of photons and facilitate the migration of photogenerated carriers. However, the preparation of single-atom uniformly doped photocatalysts is still a challenging topic. Herein, we propose the preparation of Ni single-atom doped g-C3N4 photocatalysts by metal vapor exfoliation. The Ni vapor produced by calcining nickel foam at high temperature accumulates in between g-C3N4 layers and poses a certain vapor pressure to destroy the interlayer van der Waals forces of g-C3N4. Individual metal atoms are doped into the structure while exfoliating g-C3N4 into nanosheets by metal vapor. Upon optimization of Ni content, the Ni single atom doped g-C3N4 nanosheets with 2.81 wt% Ni exhibits the highest CO2 reduction performance in the absence of sacrificial agents. The generation rates of CO and CH4 are 19.85 and 1.73 μmol g-1h-1, respectively. The improved photocatalytic performance is attributed to the anchoring Ni of single atoms on g-C3N4 nanosheets, which increases both carrier separation efficiency and reaction sites. This work provides insight into the design of photocatalysts with highly dispersed single-atom.
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Affiliation(s)
- Lin Ma
- Key Laboratory of Interface Science and Engineering in Advanced Materials (Taiyuan University of Technology), Ministry of Education, Taiyuan 030024, PR China; College of Materials Science and Engineering, Taiyuan University of Technology, Taiyuan 030024, PR China
| | - Rongfeng Guan
- Key Laboratory for Advanced Technology in Environmental Protection of Jiangsu Province, Yancheng Institute of Technology, Yancheng 224051, PR China
| | - Wenxiang Kang
- Key Laboratory of Interface Science and Engineering in Advanced Materials (Taiyuan University of Technology), Ministry of Education, Taiyuan 030024, PR China; College of Materials Science and Engineering, Taiyuan University of Technology, Taiyuan 030024, PR China
| | - Zhe Sun
- Key Laboratory of Interface Science and Engineering in Advanced Materials (Taiyuan University of Technology), Ministry of Education, Taiyuan 030024, PR China; College of Materials Science and Engineering, Taiyuan University of Technology, Taiyuan 030024, PR China
| | - Huimin Li
- Key Laboratory of Interface Science and Engineering in Advanced Materials (Taiyuan University of Technology), Ministry of Education, Taiyuan 030024, PR China; College of Materials Science and Engineering, Taiyuan University of Technology, Taiyuan 030024, PR China
| | - Qiurong Li
- Key Laboratory of Interface Science and Engineering in Advanced Materials (Taiyuan University of Technology), Ministry of Education, Taiyuan 030024, PR China; College of Materials Science and Engineering, Taiyuan University of Technology, Taiyuan 030024, PR China
| | - Qianqian Shen
- Key Laboratory of Interface Science and Engineering in Advanced Materials (Taiyuan University of Technology), Ministry of Education, Taiyuan 030024, PR China; College of Materials Science and Engineering, Taiyuan University of Technology, Taiyuan 030024, PR China
| | - Chaoqiu Chen
- State Key Laboratory of Coal Conversion, Institute of Coal Chemistry, Chinese Academy of Sciences, Taiyuan 030001, PR China
| | - Xuguang Liu
- Key Laboratory of Interface Science and Engineering in Advanced Materials (Taiyuan University of Technology), Ministry of Education, Taiyuan 030024, PR China; College of Materials Science and Engineering, Taiyuan University of Technology, Taiyuan 030024, PR China
| | - Husheng Jia
- Key Laboratory of Interface Science and Engineering in Advanced Materials (Taiyuan University of Technology), Ministry of Education, Taiyuan 030024, PR China; College of Materials Science and Engineering, Taiyuan University of Technology, Taiyuan 030024, PR China
| | - Jinbo Xue
- Key Laboratory of Interface Science and Engineering in Advanced Materials (Taiyuan University of Technology), Ministry of Education, Taiyuan 030024, PR China; College of Materials Science and Engineering, Taiyuan University of Technology, Taiyuan 030024, PR China.
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48
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Yao L, Pütz AM, Vignolo-González H, Lotsch BV. Covalent Organic Frameworks as Single-Site Photocatalysts for Solar-to-Fuel Conversion. J Am Chem Soc 2024; 146:9479-9492. [PMID: 38547041 PMCID: PMC11009957 DOI: 10.1021/jacs.3c11539] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/17/2023] [Revised: 03/11/2024] [Accepted: 03/12/2024] [Indexed: 04/11/2024]
Abstract
Single-site photocatalysts (SSPCs) are well-established as potent platforms for designing innovative materials to accomplish direct solar-to-fuel conversion. Compared to classical inorganic porous materials, such as zeolites and silica, covalent organic frameworks (COFs)─an emerging class of porous polymers that combine high surface areas, structural diversity, and chemical stability─are attractive candidates for SSPCs due to their molecular-level precision and intrinsic light harvesting ability, both amenable to structural engineering. In this Perspective, we summarize the design concepts and state-of-the-art strategies for the construction of COF SSPCs, and we review the development of COF SSPCs and their applications in solar-to-fuel conversion from their inception. Underlying pitfalls concerning photocatalytic characterization are discussed, and perspectives for the future development of this burgeoning field are given.
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Affiliation(s)
- Liang Yao
- Max
Planck Institute for Solid State Research, Heisenbergstrasse 1, 70569 Stuttgart, Germany
| | - Alexander M. Pütz
- Max
Planck Institute for Solid State Research, Heisenbergstrasse 1, 70569 Stuttgart, Germany
- Department
of Chemistry, University of Munich (LMU), Butenandtstrasse 5-13, 81377 Munich, Germany
| | - Hugo Vignolo-González
- Max
Planck Institute for Solid State Research, Heisenbergstrasse 1, 70569 Stuttgart, Germany
- Department
of Chemistry, University of Munich (LMU), Butenandtstrasse 5-13, 81377 Munich, Germany
| | - Bettina V. Lotsch
- Max
Planck Institute for Solid State Research, Heisenbergstrasse 1, 70569 Stuttgart, Germany
- Department
of Chemistry, University of Munich (LMU), Butenandtstrasse 5-13, 81377 Munich, Germany
- E-Conversion
and Center for Nanoscience, Lichtenbergstraße 4a, Garching, 85748 Munich, Germany
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49
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Wang H, Kang X, Han B. Rare-earth Element-based Electrocatalysts Designed for CO 2 Electro-reduction. CHEMSUSCHEM 2024; 17:e202301539. [PMID: 38109070 DOI: 10.1002/cssc.202301539] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/23/2023] [Revised: 10/13/2023] [Accepted: 12/18/2023] [Indexed: 12/19/2023]
Abstract
Electrochemical CO2 reduction presents a promising approach for synthesizing fuels and chemical feedstocks using renewable energy sources. Although significant advancements have been made in the design of catalysts for CO2 reduction reaction (CO2RR) in recent years, the linear scaling relationship of key intermediates, selectivity, stability, and economical efficiency are still required to be improved. Rare earth (RE) elements, recognized as pivotal components in various industrial applications, have been widely used in catalysis due to their unique properties such as redox characteristics, orbital structure, oxygen affinity, large ion radius, and electronic configuration. Furthermore, RE elements could effectively modulate the adsorption strength of intermediates and provide abundant metal active sites for CO2RR. Despite their potential, there is still a shortage of comprehensive and systematic analysis of RE elements employed in the design of electrocatalysts of CO2RR. Therefore, the current approaches for the design of RE element-based electrocatalysts and their applications in CO2RR are thoroughly summarized in this review. The review starts by outlining the characteristics of CO2RR and RE elements, followed by a summary of design strategies and synthetic methods for RE element-based electrocatalysts. Finally, an overview of current limitations in research and an outline of the prospects for future investigations are proposed.
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Affiliation(s)
- Hengan Wang
- Beijing National Laboratory for Molecular Sciences, CAS Laboratory of Colloid and Interface and Thermodynamics, CAS Research/Education Center for Excellence in Molecular Sciences, Center for Carbon Neutral Chemistry, Institute of Chemistry, Chinese Academy of Sciences, Beijing, 100190, China
- School of Chemistry and Chemical Engineering, University of Chinese Academy of Sciences, Beijing, 100049, China
| | - Xinchen Kang
- Beijing National Laboratory for Molecular Sciences, CAS Laboratory of Colloid and Interface and Thermodynamics, CAS Research/Education Center for Excellence in Molecular Sciences, Center for Carbon Neutral Chemistry, Institute of Chemistry, Chinese Academy of Sciences, Beijing, 100190, China
- School of Chemistry and Chemical Engineering, University of Chinese Academy of Sciences, Beijing, 100049, China
| | - Buxing Han
- Beijing National Laboratory for Molecular Sciences, CAS Laboratory of Colloid and Interface and Thermodynamics, CAS Research/Education Center for Excellence in Molecular Sciences, Center for Carbon Neutral Chemistry, Institute of Chemistry, Chinese Academy of Sciences, Beijing, 100190, China
- School of Chemistry and Chemical Engineering, University of Chinese Academy of Sciences, Beijing, 100049, China
- Shanghai Key Laboratory of Green Chemistry and Chemical Processes, School of Chemistry and Molecular Engineering, East China Normal University, Shanghai, 200062, China
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Xu X, Li X, Lu W, Sun X, Huang H, Cui X, Li L, Zou X, Zheng W, Zhao X. Collective Effect in a Multicomponent Ensemble Combining Single Atoms and Nanoparticles for Efficient and Durable Oxygen Reduction. Angew Chem Int Ed Engl 2024; 63:e202400765. [PMID: 38349119 DOI: 10.1002/anie.202400765] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/15/2024] [Indexed: 03/01/2024]
Abstract
Metal single-atom catalysts represent one of the most promising non-noble metal catalysts for the oxygen reduction reaction (ORR). However, they still suffer from insufficient activity and, particularly, durability for practical applications. Leveraging density functional theory (DFT) and machine learning (ML), we unravel an unexpected collective effect between FeN4OH sites, CeN4OH motifs, Fe nanoparticles (NPs), and Fe-CeO2 NPs. The collective effect comprises differently-weighted electronic and geometric interactions, whitch results in significantly enhanced ORR activity for FeN4OH active sites with a half-wave potential (E1/2) of 0.948 V versus the reversible hydrogen electrode (VRHE) in alkaline, relative to a commercial Pt/C (E1/2, 0.851 VRHE). Meanwhile, this collective effect endows the shortened Fe-N bonds and the remarkable durability with negligible activity loss after 50,000 potential cycles. The ML was used to understand the intricate geometric and electronic interactions in collective effect and reveal the intrinsic descriptors to account for the enhanced ORR performance. The universality of collective effect was demonstrated effective for the Co, Ni, Cu, Cr, and Mn-based multicomponent ensembles. These results confirm the importance of collective effect to simultaneously improve catalytic activity and durability.
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Affiliation(s)
- Xiaochun Xu
- Key Laboratory of Automobile Materials of MOE, School of Materials Science and Engineering, Jilin University, Changchun, 130012, China
| | - Xinyi Li
- Key Laboratory of Automobile Materials of MOE, School of Materials Science and Engineering, Jilin University, Changchun, 130012, China
| | - Wenting Lu
- Key Laboratory of Automobile Materials of MOE, School of Materials Science and Engineering, Jilin University, Changchun, 130012, China
| | - Xiaoyuan Sun
- Key Laboratory of Automobile Materials of MOE, School of Materials Science and Engineering, Jilin University, Changchun, 130012, China
| | - Hong Huang
- Key Laboratory of Automobile Materials of MOE, School of Materials Science and Engineering, Jilin University, Changchun, 130012, China
| | - Xiaoqiang Cui
- Key Laboratory of Automobile Materials of MOE, School of Materials Science and Engineering, Jilin University, Changchun, 130012, China
| | - Lu Li
- State Key Laboratory of Inorganic Synthesis and Preparative Chemistry, Jilin University, Changchun, 130012, China
| | - Xiaoxin Zou
- State Key Laboratory of Inorganic Synthesis and Preparative Chemistry, Jilin University, Changchun, 130012, China
| | - Weitao Zheng
- Key Laboratory of Automobile Materials of MOE, School of Materials Science and Engineering, Jilin University, Changchun, 130012, China
| | - Xiao Zhao
- Key Laboratory of Automobile Materials of MOE, School of Materials Science and Engineering, Jilin University, Changchun, 130012, China
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