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Zhang Y, Sun WY. Rational design of organic ligands for metal-organic frameworks as electrocatalysts for CO 2 reduction. Chem Commun (Camb) 2024; 60:8824-8839. [PMID: 39051620 DOI: 10.1039/d4cc02635g] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 07/27/2024]
Abstract
Electrocatalytic carbon dioxide (CO2) reduction to valuable chemical compounds is a sustainable technology with enormous potential to facilitate carbon neutrality by transforming intermittent energy sources into stable fuels. Among various electrocatalysts, metal-organic frameworks (MOFs) have garnered increasing attention for the electrochemical CO2 reduction reaction (CO2RR) owing to their structural diversity, large surface area, high porosity and tunable chemical properties. Ligands play a vital role in MOFs, which can regulate the electronic structure and chemical environment of metal centers of MOFs, thereby influencing the activity and selectivity of products. This feature article discusses the strategies for the rational design of ligands and their impact on the CO2RR performance of MOFs to establish a structure-performance relationship. Finally, critical challenges and potential opportunities for MOFs with different ligand types in the CO2RR are mentioned with the aim to inspire the targeted design of advanced MOF catalysts in the future to achieve efficient electrocatalytic CO2 conversion.
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Affiliation(s)
- Ya Zhang
- Coordination Chemistry Institute, State Key Laboratory of Coordination Chemistry, School of Chemistry and Chemical Engineering, Nanjing National Laboratory of Microstructures, Collaborative Innovation Center of Advanced Microstructures, Nanjing University, Nanjing 210023, China.
- College of Chemistry, Chongqing Normal University, Chongqing 401331, China
| | - Wei-Yin Sun
- Coordination Chemistry Institute, State Key Laboratory of Coordination Chemistry, School of Chemistry and Chemical Engineering, Nanjing National Laboratory of Microstructures, Collaborative Innovation Center of Advanced Microstructures, Nanjing University, Nanjing 210023, China.
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2
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He Q, Li H, Hu Z, Lei L, Wang D, Li TT. Highly Selective CO 2 Electroreduction to C 2H 4 Using a Dual-Sites Cu(II) Porphyrin Framework Coupled with Cu 2O Nanoparticles via a Synergetic-Tandem Strategy. Angew Chem Int Ed Engl 2024; 63:e202407090. [PMID: 38840270 DOI: 10.1002/anie.202407090] [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: 04/14/2024] [Revised: 06/04/2024] [Accepted: 06/05/2024] [Indexed: 06/07/2024]
Abstract
Low *CO coverage on the active sites is a major hurdle in the tandem electrocatalysis, resulting in unsatisfied C2H4 production efficiencies. In this work, we developed a synergetic-tandem strategy to construct a copper-based composite catalyst for the electroreduction of CO2 to C2H4, which was constructed via the template-directed polymerization of ultrathin Cu(II) porphyrin organic framework incorporating atomically isolated Cu(II) porphyrin and Cu(II) bipyridine sites on a carbon nanotube (CNT) scaffold, and then Cu2O nanoparticles were uniformly dispersed on the CNT scaffold. The presence of dual active sites within the Cu(II) porphyrin organic framework create a synergetic effect, leading to an increase in local *CO availability to enhance the C-C coupling step implemented on the adjacent Cu2O nanoparticles for further C2H4 production. Accordingly, the resultant catalyst affords an exceptional CO2-to-C2H4 Faradaic efficiency (FEC2H4) of 71.0 % at -1.1 V vs reversible hydrogen electrode (RHE), making it one of the most effective copper-based tandem catalysts reported to date. The superior performance of the catalyst is further confirmed through operando infrared spectroscopy and theoretic calculations.
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Affiliation(s)
- Qizhe He
- School of Materials Science and Chemical Engineering, Ningbo University, Ningbo, Zhejiang, 315211, China
| | - Hongwei Li
- School of Materials Science and Chemical Engineering, Ningbo University, Ningbo, Zhejiang, 315211, China
| | - Zhuofeng Hu
- School of Environmental Science and Engineering, Guangdong Provincial Key Laboratory of Environmental Pollution Control and Remediation Technology, Sun Yat-sen University, Guangzhou, Guangdong, 510275, China
| | - Lei Lei
- Engineering Laboratory of Advanced Energy Materials, Ningbo Institute of Materials Technology and Engineering, Chinese Academy of Sciences, Ningbo, Zhejiang, 315201, China
| | - Degao Wang
- Engineering Laboratory of Advanced Energy Materials, Ningbo Institute of Materials Technology and Engineering, Chinese Academy of Sciences, Ningbo, Zhejiang, 315201, China
- Research Center for Advanced Interdisciplinary Sciences, Ningbo Institute of Materials Technology and Engineering, Chinese Academy of Sciences, Ningbo, Zhejiang, 315201, China
| | - Ting-Ting Li
- School of Materials Science and Chemical Engineering, Ningbo University, Ningbo, Zhejiang, 315211, China
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Xiong WF, Cai WZ, Wang J, Si DH, Gao SY, Li HF, Cao R. Br, O-Modified Cu(111) Interface Promotes CO 2 Reduction to Multicarbon Products. SMALL METHODS 2024:e2301807. [PMID: 38856023 DOI: 10.1002/smtd.202301807] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/30/2023] [Revised: 04/23/2024] [Indexed: 06/11/2024]
Abstract
Electrochemical reduction of CO2 to multicarbon (C2+) products with added value represents a promising strategy for achieving a carbon-neutral economy. Precise manipulation of the catalytic interface is imperative to control the catalytic selectivity, particularly toward C2+ products. In this study, a unique Cu/UIO-Br interface is designed, wherein the Cu(111) plane is co-modified simultaneously by Br and O from UIO-66-Br support. Such Cu/UIO-Br catalytic interface demonstrates a superior Faradaic efficiency of ≈53% for C2+ products (ethanol/ethylene) and the C2+ partial current density reached 24.3 mA cm-2 in an H-cell electrolyzer. The kinetic isotopic effect test, in situ attenuated total reflection Fourier transform infrared spectroscopy and density functional theory calculations have been conducted to elucidate the catalytic mechanism. The Br, O co-modification on the Cu(111) interface enhanced the adsorption of CO2 species. The hydrogen-bond effect from the doped Br atom regulated the kinetic processes of *H species in CO2RR and promoted the formation of *COH intermediate. The formed *COH facilitates the *CO-*COH coupling and promotes the C2+ selectivity finally. This comprehensive investigation not only provides an in-depth study and understanding of the catalytic process but also offers a promising strategy for designing efficient Cu-based catalysts with exceptional C2+ products.
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Affiliation(s)
- Wan-Feng Xiong
- College of Chemistry and Chemical Engineering, Xiamen University, Xiamen, 361005, China
- State Key Laboratory Structural Chemistry, Fujian Institute of Research on the Structure of Matter Chinese Academy of Sciences, Fuzhou, 350002, China
| | - Wan-Zhen Cai
- College of Chemistry and Chemical Engineering, Xiamen University, Xiamen, 361005, China
- State Key Laboratory Structural Chemistry, Fujian Institute of Research on the Structure of Matter Chinese Academy of Sciences, Fuzhou, 350002, China
| | - Jin Wang
- College of Chemistry and Chemical Engineering, Xiamen University, Xiamen, 361005, China
- State Key Laboratory Structural Chemistry, Fujian Institute of Research on the Structure of Matter Chinese Academy of Sciences, Fuzhou, 350002, China
| | - Duan-Hui Si
- State Key Laboratory Structural Chemistry, Fujian Institute of Research on the Structure of Matter Chinese Academy of Sciences, Fuzhou, 350002, China
| | - Shui-Ying Gao
- State Key Laboratory Structural Chemistry, Fujian Institute of Research on the Structure of Matter Chinese Academy of Sciences, Fuzhou, 350002, China
- University of Chinese Academy of Science, Beijing, 100049, China
| | - Hong-Fang Li
- State Key Laboratory Structural Chemistry, Fujian Institute of Research on the Structure of Matter Chinese Academy of Sciences, Fuzhou, 350002, China
- University of Chinese Academy of Science, Beijing, 100049, China
| | - Rong Cao
- College of Chemistry and Chemical Engineering, Xiamen University, Xiamen, 361005, China
- State Key Laboratory Structural Chemistry, Fujian Institute of Research on the Structure of Matter Chinese Academy of Sciences, Fuzhou, 350002, China
- University of Chinese Academy of Science, Beijing, 100049, China
- Fujian Science & Technology Innovation Laboratory for Optoelectronic Information of China, Fuzhou, Fujian, 350108, China
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Wang W, Yang K, Zhu Q, Zhang T, Guo L, Hu F, Zhong R, Wen X, Wang H, Qi J. MOFs-Based Materials with Confined Space: Opportunities and Challenges for Energy and Catalytic Conversion. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2024:e2311449. [PMID: 38738782 DOI: 10.1002/smll.202311449] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/09/2023] [Revised: 04/15/2024] [Indexed: 05/14/2024]
Abstract
Metal-Organic Frameworks (MOFs) are a very promising material in the fields of energy and catalysis due to their rich active sites, tunable pore size, structural adaptability, and high specific surface area. The concepts of "carbon peak" and "carbon neutrality" have opened up huge development opportunities in the fields of energy storage, energy conversion, and catalysis, and have made significant progress and breakthroughs. In recent years, people have shown great interest in the development of MOFs materials and their applications in the above research fields. This review introduces the design strategies and latest progress of MOFs are included based on their structures such as core-shell, yolk-shell, multi-shelled, sandwich structures, unique crystal surface exposures, and MOF-derived nanomaterials in detail. This work comprehensively and systematically reviews the applications of MOF-based materials in energy and catalysis and reviews the research progress of MOF materials for atmospheric water harvesting, seawater uranium extraction, and triboelectric nanogenerators. Finally, this review looks forward to the challenges and opportunities of controlling the synthesis of MOFs through low-cost, improved conductivity, high-temperature heat resistance, and integration with machine learning. This review provides useful references for promoting the application of MOFs-based materials in the aforementioned fields.
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Affiliation(s)
- Wei Wang
- School of Materials Science and Engineering, Northeastern University, Shenyang, Liaoning, 110819, China
- Key Laboratory of Dielectric and Electrolyte Functional Material Hebei Province, Northeastern University at Qinhuangdao, Qinhuangdao, 066004, China
| | - Ke Yang
- Key Laboratory of Dielectric and Electrolyte Functional Material Hebei Province, Northeastern University at Qinhuangdao, Qinhuangdao, 066004, China
| | - Qinghan Zhu
- Key Laboratory of Dielectric and Electrolyte Functional Material Hebei Province, Northeastern University at Qinhuangdao, Qinhuangdao, 066004, China
| | - Tingting Zhang
- Key Laboratory of Dielectric and Electrolyte Functional Material Hebei Province, Northeastern University at Qinhuangdao, Qinhuangdao, 066004, China
| | - Li Guo
- Key Laboratory of Dielectric and Electrolyte Functional Material Hebei Province, Northeastern University at Qinhuangdao, Qinhuangdao, 066004, China
| | - Feiyang Hu
- Key Laboratory of Dielectric and Electrolyte Functional Material Hebei Province, Northeastern University at Qinhuangdao, Qinhuangdao, 066004, China
| | - Ruixia Zhong
- Key Laboratory of Dielectric and Electrolyte Functional Material Hebei Province, Northeastern University at Qinhuangdao, Qinhuangdao, 066004, China
| | - Xiaojing Wen
- Key Laboratory of Dielectric and Electrolyte Functional Material Hebei Province, Northeastern University at Qinhuangdao, Qinhuangdao, 066004, China
| | - Haiwang Wang
- Key Laboratory of Dielectric and Electrolyte Functional Material Hebei Province, Northeastern University at Qinhuangdao, Qinhuangdao, 066004, China
| | - Jian Qi
- State Key Laboratory of Biochemical Engineering, Institute of Process Engineering, Chinese Academy of Sciences, Beijing, 100190, China
- School of Chemical Engineering, University of Chinese Academy of Sciences, Beijing, 100049, China
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Xu X, Xiao D, Gao Y, Li W, Gao M, Zhao S, Wang Z, Zheng Z, Wang P, Cheng H, Liu Y, Dai Y, Huang B. Pd-Decorated Cu 2O-Ag Catalyst Promoting CO 2 Electroreduction to C 2H 4 by Optimizing CO Intermediate Adsorption and Hydrogenation. ACS APPLIED MATERIALS & INTERFACES 2024; 16:16243-16252. [PMID: 38527494 DOI: 10.1021/acsami.4c00472] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 03/27/2024]
Abstract
Electrocatalytic CO2 reduction reaction (CO2RR) to high value-added products, such as ethylene (C2H4), offers a promising approach to achieve carbon neutrality. Although recent studies have reported that a tandem catalyst (for example, Cu-Ag systems) exhibits advantage in C2H4 production, its practical application is largely inhibited by the following: (1) a traditional tandem catalyst cannot effectively stabilize the *CO intermediate, resulting in sluggish C-C coupling, and (2) inadequate H2O activation ability hinders the hydrogenation of intermediates. To break through the above bottleneck, herein, palladium (Pd) was introduced into Cu2O-Ag, a typical conventional tandem catalyst, to construct a Cu2O-Pd-Ag ternary catalyst. Extensive experiment and density functional theory calculation prove that Pd can efficiently stabilize the *CO intermediate and promote the H2O activation, which contributes to the C-C coupling and intermediate hydrogenation, the key steps in the conversion of CO2 to C2H4. Beneficial to the efficient synergy of Cu2O, Pd, and Ag, the optimal Cu2O-Pd-Ag ternary catalyst achieves CO2RR toward C2H4 with a faradaic efficiency of 63.2% at -1.2 VRHE, which is higher than that achieved by Cu2O-Ag and most of other reported catalysts. This work is a fruitful exploration of a rare ternary catalyst, providing a new route for constructing an efficient CO2RR electrocatalyst.
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Affiliation(s)
- Xianbin Xu
- State Key Laboratory of Crystal Materials, Shandong University, Jinan 250100, China
| | - Difei Xiao
- State Key Laboratory of Crystal Materials, Shandong University, Jinan 250100, China
| | - Yugang Gao
- State Key Laboratory of Crystal Materials, Shandong University, Jinan 250100, China
| | - Wenbo Li
- State Key Laboratory of Crystal Materials, Shandong University, Jinan 250100, China
| | - Miaomiao Gao
- State Key Laboratory of Crystal Materials, Shandong University, Jinan 250100, China
| | - Shuang Zhao
- State Key Laboratory of Crystal Materials, Shandong University, Jinan 250100, China
| | - Zeyan Wang
- State Key Laboratory of Crystal Materials, Shandong University, Jinan 250100, China
| | - Zhaoke Zheng
- State Key Laboratory of Crystal Materials, Shandong University, Jinan 250100, China
| | - Peng Wang
- State Key Laboratory of Crystal Materials, Shandong University, Jinan 250100, China
| | - Hefeng Cheng
- State Key Laboratory of Crystal Materials, Shandong University, Jinan 250100, China
| | - Yuanyuan Liu
- State Key Laboratory of Crystal Materials, Shandong University, Jinan 250100, China
| | - Ying Dai
- School of Physics, Shandong University, Jinan 250100, China
| | - Baibiao Huang
- State Key Laboratory of Crystal Materials, Shandong University, Jinan 250100, China
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Wen Y, Cheng WH, Wang YR, Shen FC, Lan YQ. Tailoring the Hydrophobic Interface of Core-Shell HKUST-1@Cu 2O Nanocomposites for Efficiently Selective CO 2 Electroreduction. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2024; 20:e2307467. [PMID: 37940620 DOI: 10.1002/smll.202307467] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/27/2023] [Revised: 10/18/2023] [Indexed: 11/10/2023]
Abstract
The electrochemical reduction of carbon dioxide (CO2) to ethylene creates a carbon-neutral approach to converting carbon dioxide into intermittent renewable electricity. Exploring efficient electrocatalysts with potentially high ethylene selectivity is extremely desirable, but still challenging. In this report, a laboratory-designed catalyst HKUST-1@Cu2O/PTFE-1 is prepared, in which the high specific surface area of the composites with improved CO2 adsorption and the abundance of active sites contribute to the increased electrocatalytic activity. Furthermore, the hydrophobic interface constructed by the hydrophobic material polytetrafluoroethylene (PTFE) effectively inhibits the occurrence of hydrogen evolution reactions, providing a significant improvement in the efficiency of CO2 electroreduction. The distinctive structures result in the remarkable hydrocarbon fuels generation with high Faraday efficiency (FE) of 67.41%, particularly for ethylene with FE of 46.08% (-1.0 V vs RHE). The superior performance of the catalyst is verified by DFT calculation with lower Gibbs free energy of the intermediate interactions with improved proton migration and selectivity to emerge the polycarbon(C2+) product. In this work, a promising and effective strategy is presented to configure MOF-based materials with tailored hydrophobic interface, high adsorption selectivity and more exposed active sites for enhancing the efficiency of the electroreduction of CO2 to C2+ products with high added value.
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Affiliation(s)
- Yan Wen
- School of Biological and Chemical Engineering, Anhui Polytechnic University, Wuhu, 241000, P. R. China
| | - Wen-Hui Cheng
- School of Biological and Chemical Engineering, Anhui Polytechnic University, Wuhu, 241000, P. R. China
| | - Yi-Rong Wang
- School of Chemistry, South China Normal University, Guangzhou, 510006, P. R. China
| | - Feng-Cui Shen
- School of Biological and Chemical Engineering, Anhui Polytechnic University, Wuhu, 241000, P. R. China
| | - Ya-Qian Lan
- School of Chemistry, South China Normal University, Guangzhou, 510006, P. R. China
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Dieu Thuy UT, Huan TN, Zanna S, Wilson K, Lee AF, Le ND, Mensah J, Dasireddy VDBC, Liem NQ. Cu and Zn promoted Al-fumarate metal organic frameworks for electrocatalytic CO 2 reduction. RSC Adv 2024; 14:3489-3497. [PMID: 38259983 PMCID: PMC10801401 DOI: 10.1039/d3ra07639c] [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: 11/08/2023] [Accepted: 01/08/2024] [Indexed: 01/24/2024] Open
Abstract
Metal organic frameworks (MOFs) are attractive materials to generate multifunctional catalysts for the electrocatalytic reduction of CO2 to hydrocarbons. Here we report the synthesis of Cu and Zn modified Al-fumarate (Al-fum) MOFs, in which Zn promotes the selective reduction of CO2 to CO and Cu promotes CO reduction to oxygenates and hydrocarbons in an electrocatalytic cascade. Cu and Zn nanoparticles (NPs) were introduced to the Al-fum MOF by a double solvent method to promote in-pore metal deposition, and the resulting reduced Cu-Zn@Al-fum drop-cast on a hydrophobic gas diffusion electrode for electrochemical study. Cu-Zn@Al-fum is active for CO2 electroreduction, with the Cu and Zn loading influencing the product yields. The highest faradaic efficiency (FE) of 62% is achieved at -1.0 V vs. RHE for the conversion of CO2 into CO, HCOOH, CH4, C2H4 and C2H5OH, with a FE of 28% to CH4, C2H4 and C2H5OH at pH 6.8. Al-fum MOF is a chemically robust matrix to disperse Cu and Zn NPs, improving electrocatalyst lifetime during CO2 reduction by minimizing transition metal aggregation during electrode operation.
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Affiliation(s)
- Ung Thi Dieu Thuy
- Institute of Materials Science, Vietnam Academy of Science and Technology 18 Hoang Quoc Viet, Cau Giay Hanoi Vietnam
| | - Tran Ngoc Huan
- Laboratoire de Chimie des Processus Biologiques, Collège de France, Sorbonne Université 11 Place Marcelin Berthelot 75231 Paris Cedex 05 France
| | - Sandrine Zanna
- Chimie ParisTech, PSL Research University, CNRS, Institut de Recherche de Chimie Paris (IRCP) 11 rue Pierre et Marie Curie 75005 Paris France
| | - Karen Wilson
- School of Environment & Science, Centre for Catalysis and Clean Energy, Griffith University Gold Coast Campus QLD 4222 Australia
| | - Adam F Lee
- School of Environment & Science, Centre for Catalysis and Clean Energy, Griffith University Gold Coast Campus QLD 4222 Australia
| | - Ngoc-Diep Le
- Laboratoire de Chimie des Processus Biologiques, Collège de France, Sorbonne Université 11 Place Marcelin Berthelot 75231 Paris Cedex 05 France
| | - Jim Mensah
- Centre for Applied Materials and Industrial Chemistry (CAMIC), RMIT University Australia
| | - Venkata D B C Dasireddy
- School of Environment & Science, Centre for Catalysis and Clean Energy, Griffith University Gold Coast Campus QLD 4222 Australia
| | - Nguyen Quang Liem
- Institute of Materials Science, Vietnam Academy of Science and Technology 18 Hoang Quoc Viet, Cau Giay Hanoi Vietnam
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Liu J, Yu K, Qiao Z, Zhu Q, Zhang H, Jiang J. Integration of Cobalt Phthalocyanine, Acetylene Black and Cu 2 O Nanocubes for Efficient Electroreduction of CO 2 to C 2 H 4. CHEMSUSCHEM 2023; 16:e202300601. [PMID: 37488969 DOI: 10.1002/cssc.202300601] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/26/2023] [Revised: 07/18/2023] [Accepted: 07/24/2023] [Indexed: 07/26/2023]
Abstract
Suppressing side reactions and simultaneously enriching key intermediates during CO2 reduction reaction (CO2 RR) has been a challenge. Here, we propose a tandem catalyst (Cu2 O NCs-C-Copc) consisting of acetylene black, cobalt phthalocyanine (Copc) and cuprous oxide nanocubes (Cu2 O NCs) for efficient CO2 -to-ethylene conversion. Density-functional theory (DFT) calculation combined with experimental verification demonstrated that Copc can provide abundant CO to nearby copper sites while acetylene black successfully reduces the formation energies of key intermediates, leading to enhanced C2 H4 selectivity. X-ray photoelectron spectroscopy (XPS) and potentiostatic tests indicated that the catalytic stability of Cu2 O NCs-C-Copc was significantly enhanced compared with Cu2 O NCs. Finally, the industrial application prospect of the catalyst was evaluated using gas diffusion electrolyzers. TheF E C 2 H 4 ${{\rm { F}}{{\rm { E}}}_{{{\rm { C}}}_{{\rm { 2}}}{{\rm { H}}}_{{\rm { 4}}}}}$ of Cu2 O NCs-C-Copc can reach to 58.4 % at -1.1 V vs. RHE in 0.1 M KHCO3 and 70.3 % at -0.76 V vs. RHE in 1.0 M KOH. This study sheds new light on the design and development of highly efficient CO2 RR tandem catalytic systems.
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Affiliation(s)
- Jilin Liu
- School of Chemistry and Chemical Engineering, Harbin Institute of Technology, Harbin, 150001, P.R. China
- School of Environment, School of Marine Science and Technology (Weihai), Harbin Institute of Technology Harbin, Heilongjiang, 150090, P.R. China
- State Key Laboratory of Urban Water Resource and Environment, Harbin Institute of Technology, Harbin, 150090, P.R. China
| | - Kai Yu
- School of Environment, School of Marine Science and Technology (Weihai), Harbin Institute of Technology Harbin, Heilongjiang, 150090, P.R. China
- State Key Laboratory of Urban Water Resource and Environment, Harbin Institute of Technology, Harbin, 150090, P.R. China
| | - Zhiyuan Qiao
- School of Environment, School of Marine Science and Technology (Weihai), Harbin Institute of Technology Harbin, Heilongjiang, 150090, P.R. China
- State Key Laboratory of Urban Water Resource and Environment, Harbin Institute of Technology, Harbin, 150090, P.R. China
| | - Qianlong Zhu
- School of Environment, School of Marine Science and Technology (Weihai), Harbin Institute of Technology Harbin, Heilongjiang, 150090, P.R. China
- State Key Laboratory of Urban Water Resource and Environment, Harbin Institute of Technology, Harbin, 150090, P.R. China
| | - Hong Zhang
- School of Environment, School of Marine Science and Technology (Weihai), Harbin Institute of Technology Harbin, Heilongjiang, 150090, P.R. China
- State Key Laboratory of Urban Water Resource and Environment, Harbin Institute of Technology, Harbin, 150090, P.R. China
| | - Jie Jiang
- School of Chemistry and Chemical Engineering, Harbin Institute of Technology, Harbin, 150001, P.R. China
- School of Environment, School of Marine Science and Technology (Weihai), Harbin Institute of Technology Harbin, Heilongjiang, 150090, P.R. China
- State Key Laboratory of Urban Water Resource and Environment, Harbin Institute of Technology, Harbin, 150090, P.R. China
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Peng MT, Chen C, Zhang Y, Xu JY, Teng YL, Dong BX. Exploring the role of sandwich-type polyoxometalates in {K 10(PW 9O 34) 2M 4(H 2O) 2}@PCN-222 (M = Mn, Ni, Zn) for electroreduction of CO 2 to CO. Dalton Trans 2023. [PMID: 37470104 DOI: 10.1039/d3dt01535a] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 07/21/2023]
Abstract
To overcome the drawbacks of high solubility and instability of polyoxometalates (POMs) in aqueous solution and to expand their application in the electrocatalytic reduction of CO2 (ECR), we assemble sandwich-type POMs, K10[(PW9O34)2M4(H2O)2] (M = Mn, Ni, Zn, shortened as P2W18M4), into the hexagonal channel of a porphyrin-based metal-organic framework (MOF) PCN-222 to form P2W18M4@PCN-222 composites. Their ECR behavior displays polyoxoanion-dependent activity. P2W18Mn4@PCN-222 demonstrates a faradaic efficiency of 72.6% for the CO product (FECO), more than four times that of PCN-222 (FECO = 18.1%), and exhibits exceptional electrochemical stability over 36 h. P2W18Ni4@PCN-222 and P2W18Zn4@PCN-222 slightly increase (26.9%) and decrease (3.2%) in FECO, respectively. We combine the results with density functional theory (DFT) calculations to help understand the intrinsic reasons which reveals that the rate-determining step (RDS) reaction energy of P2W18Mn4@PCN-222 and P2W18Ni4@PCN-222 is significantly reduced compared to that of PCN-222. It is different in P2W18Zn4@PCN-222. Frontier molecular orbitals electron distribution results hint at directional electron transfer from P2W18Mn4/P2W18Ni4 to the porphyrin ring active center in PCN-222, promoting the electro-reduction of CO2 activity. By contrast, P2W18Zn4 may accumulate electrons from PCN-222, thus facilitating the hydrogen evolution reaction (HER). This work reveals the critical role of sandwich-type POMs in manipulating the electron transfer pathway during the electrocatalytic process. Our findings would broaden the scope of POM applications in electrochemical carbon dioxide reduction.
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Affiliation(s)
- Meng-Ting Peng
- School of Chemistry and Chemical Engineering, Yangzhou University, Yangzhou, Jiangsu 225002, P. R. China.
| | - Chuang Chen
- School of Chemistry and Chemical Engineering, Yangzhou University, Yangzhou, Jiangsu 225002, P. R. China.
| | - Yan Zhang
- School of Chemistry and Chemical Engineering, Yangzhou University, Yangzhou, Jiangsu 225002, P. R. China.
| | - Jia-Yu Xu
- School of Chemistry and Chemical Engineering, Yangzhou University, Yangzhou, Jiangsu 225002, P. R. China.
| | - Yun-Lei Teng
- School of Chemistry and Chemical Engineering, Yangzhou University, Yangzhou, Jiangsu 225002, P. R. China.
| | - Bao-Xia Dong
- School of Chemistry and Chemical Engineering, Yangzhou University, Yangzhou, Jiangsu 225002, P. R. China.
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