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Thomsen JD, Wang Y, Flyvbjerg H, Park E, Watanabe K, Taniguchi T, Narang P, Ross FM. Direct Visualization of Defect-Controlled Diffusion in van der Waals Gaps. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2024; 36:e2403989. [PMID: 39097947 DOI: 10.1002/adma.202403989] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/18/2024] [Revised: 07/15/2024] [Indexed: 08/06/2024]
Abstract
Diffusion processes govern fundamental phenomena such as phase transformations, doping, and intercalation in van der Waals (vdW) bonded materials. Here, the diffusion dynamics of W atoms by visualizing the motion of individual atoms at three different vdW interfaces: hexagonal boron nitride (BN)/vacuum, BN/BN, and BN/WSe2, by recording scanning transmission electron microscopy movies is quantified. Supported by density functional theory (DFT) calculations, it is inferred that in all cases diffusion is governed by intermittent trapping at electron beam-generated defect sites. This leads to diffusion properties that depend strongly on the number of defects. These results suggest that diffusion and intercalation processes in vdW materials are highly tunable and sensitive to crystal quality. The demonstration of imaging, with high spatial and temporal resolution, of layers and individual atoms inside vdW heterostructures offers possibilities for direct visualization of diffusion and atomic interactions, as well as for experiments exploring atomic structures, their in situ modification, and electrical property measurements of active devices combined with atomic resolution imaging.
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Affiliation(s)
- Joachim Dahl Thomsen
- Division of Physical Sciences, College of Letters and Science, University of California, Los Angeles, CL 90095, USA
- Department of Materials Science and Engineering, Massachusetts Institute of Technology, Cambridge, MA, 02139, USA
| | - Yaxian Wang
- Beijing National Laboratory for Condensed Matter Physics and Institute of Physics, Chinese Academy of Sciences, Beijing, 100190, China
| | - Henrik Flyvbjerg
- Mark Kac Center for Complex Systems Research, Jagiellonian University, Kraków, Poland
| | - Eugene Park
- Department of Materials Science and Engineering, Massachusetts Institute of Technology, Cambridge, MA, 02139, USA
| | - Kenji Watanabe
- Research Center for Electronic and Optical Materials, National Institute for Materials Science, 1-1 Namiki, Tsukuba, 305-0044, Japan
| | - Takashi Taniguchi
- Research Center for Materials Nanoarchitectonics, National Institute for Materials Science, 1-1 Namiki, Tsukuba, 305-0044, Japan
| | - Prineha Narang
- Division of Physical Sciences, College of Letters and Science, University of California, Los Angeles, CL 90095, USA
| | - Frances M Ross
- Department of Materials Science and Engineering, Massachusetts Institute of Technology, Cambridge, MA, 02139, USA
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2
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Shi Y, Liu Y. Qualitative and quantitative electrochemiluminescence evaluation of trace Pt single-atom in MXenes. Nat Commun 2024; 15:7086. [PMID: 39153982 PMCID: PMC11330474 DOI: 10.1038/s41467-024-51564-7] [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: 09/15/2023] [Accepted: 08/08/2024] [Indexed: 08/19/2024] Open
Abstract
The analysis of trace Pt single-atom (SA) represents a significant challenge, given the crucial role of single-atom platinum (Pt) in energy storage and electrocatalysis. Here, we present an electrochemiluminescence (ECL) platform that enables the qualitative and quantitative analysis of trace Pt SA using luminol as the ECL luminophore. It is observed that different Pt species in Ti3-xC2Ty MXenes resulted in distinct reactive oxygen species (ROS) potentials for luminol cathodic electrochemiluminescence (ECL), achieved through distinctive oxygen reduction reaction (ORR) pathways, in which oxygen acts as the co-reactant. Furthermore, the cathodic luminol ECL intensity increases in proportion to the Pt atom content, thereby enabling quantitative analysis of trace Pt single atoms. The detection limit is 0.014 wt%, which is comparable to the current mainstream Pt SA quantification techniques. By utilizing this ECL method, it is possible to successfully evaluate both qualitatively and quantitatively the changes in Pt SA during the ORR processes. This ECL platform provides a valuable toolbox for the analysis of Pt SA catalysts and for the evaluation of the mechanisms involved in electrocatalysis applications.
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Affiliation(s)
- Yacheng Shi
- Department of Chemistry, Kay Lab of Bioorganic Phosphorus Chemistry and Chemical Biology of Ministry of Education, Beijing Key Laboratory for Analytical Methods and Instrumentation, Tsinghua University, 100084, Beijing, China
| | - Yang Liu
- Department of Chemistry, Kay Lab of Bioorganic Phosphorus Chemistry and Chemical Biology of Ministry of Education, Beijing Key Laboratory for Analytical Methods and Instrumentation, Tsinghua University, 100084, Beijing, China.
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3
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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; 36: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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4
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Hanslin SØ, Jónsson H, Akola J. Sulfur-deficient edges as active sites for hydrogen evolution on MoS 2. Phys Chem Chem Phys 2023; 25:32541-32548. [PMID: 37997768 DOI: 10.1039/d3cp04198k] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2023]
Abstract
A grand-canonical approach is employed to calculate the voltage-dependent activation energy and estimate the kinetics of the hydrogen evolution reaction (HER) on intrinsic sites of MoS2, including edges of varying S-coverage as well as S-vacancies on the basal plane. Certain edge configurations are found to be vastly more active than others, namely S-deficient edges on the Mo-termination where, in the fully S-depleted case, HER can proceed with activation energy below 0.5 eV at an electrode potential of 0 V vs. SHE. There is a clear distinction between the performance of Mo-rich and S-rich adsorption sites, as HER at the latter sites is characterized by large (generally above 1.5 eV) Heyrovsky and Tafel energy barriers despite near-thermoneutral hydrogen adsorption energy. Thus, exposing Mo-atoms on the edges to which hydrogen can directly bind is crucial for efficient hydrogen evolution. While S-vacancies on the basal plane do expose Mo-rich sites, the energy barriers are still significant due to high coordination of the Mo atoms. Kinetic modelling based on the voltage-dependent reaction energetics gives a theoretical overpotential of 0.25 V and 1.09 V for the Mo-edge with no S atoms and the weakly sulfur-deficient (2% S-vacancies) basal plane, respectively, with Volmer-Heyrovsky being the dominant pathway. These values coincide well with reported experimentally measured values of the overpotential for the edges and basal plane. For the partly Mo-exposed edges, the calculated overpotential is 0.6-0.7 V while edges with only S-sites give overpotential exceeding that of the basal plane. These results show that the overpotential systematically decreases with increased sulfur-deficiency and reduced Mo-coordination. The fundamental difference between Mo- and S-rich sites suggests that catalyst design of transition metal dichalcogenides should be focused on facilitating and modifying the metal sites, rather than activating the chalcogen sites.
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Affiliation(s)
- Sander Ø Hanslin
- Department of Physics, Norwegian University of Science and Technology, No-7491, Trondheim, Norway.
- Science Institute and Faculty of Physical Sciences, University of Iceland, IS-107 Reykjavík, Iceland
| | - Hannes Jónsson
- Science Institute and Faculty of Physical Sciences, University of Iceland, IS-107 Reykjavík, Iceland
| | - Jaakko Akola
- Department of Physics, Norwegian University of Science and Technology, No-7491, Trondheim, Norway.
- Computational Physics Laboratory, Tampere University, FI-33101 Tampere, Finland
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5
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Zhou L, Sun Y, Wu Y, Zhu Y, Xu Y, Jia J, Wang F, Wang R. Controlled Growth of Pd Nanocrystals by Interface Interaction on Monolayer MoS 2: An Atom-Resolved in Situ Study. NANO LETTERS 2023. [PMID: 38010863 DOI: 10.1021/acs.nanolett.3c03960] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/29/2023]
Abstract
The crystal growth kinetics is crucial for the controllable preparation and performance modulation of metal nanocrystals (NCs). However, the study of growth mechanisms is significantly limited by characterization techniques, and it is still challenging to in situ capture the growth process. Real-time and real-space imaging techniques at the atomic scale can promote the understanding of microdynamics for NC growth. Herein, the growth of Pd NCs on monolayer MoS2 under different atmospheres was in situ studied by environmental transmission electron microscopy. Introducing carbon monoxide can modulate the diffusion of Pd monomers, resulting in the epitaxial growth of Pd NCs with a uniform orientation. The electron energy loss spectroscopy and theoretical calculations showed that the CO adsorption assured the specific exposed facets and good uniformity of Pd NCs. The insight into the gas-solid interface interaction and the microscopic growth mechanism of NCs may shed light on the precise synthesis of NCs on two-dimensional (2D) materials.
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Affiliation(s)
- Liang Zhou
- Beijing Advanced Innovation Center for Materials Genome Engineering, Beijing Key Laboratory for Magneto-Photoelectrical Composite and Interface Science, The State Key Laboratory for Advanced Metals and Materials, School of Mathematics and Physics, University of Science and Technology Beijing, Beijing 100083, China
| | - Yinghui Sun
- Beijing Advanced Innovation Center for Materials Genome Engineering, Beijing Key Laboratory for Magneto-Photoelectrical Composite and Interface Science, The State Key Laboratory for Advanced Metals and Materials, School of Mathematics and Physics, University of Science and Technology Beijing, Beijing 100083, China
| | - Yusong Wu
- Beijing Advanced Innovation Center for Materials Genome Engineering, Beijing Key Laboratory for Magneto-Photoelectrical Composite and Interface Science, The State Key Laboratory for Advanced Metals and Materials, School of Mathematics and Physics, University of Science and Technology Beijing, Beijing 100083, China
| | - Yuchen Zhu
- Beijing Advanced Innovation Center for Materials Genome Engineering, Beijing Key Laboratory for Magneto-Photoelectrical Composite and Interface Science, The State Key Laboratory for Advanced Metals and Materials, School of Mathematics and Physics, University of Science and Technology Beijing, Beijing 100083, China
| | - Yingying Xu
- Beijing Advanced Innovation Center for Materials Genome Engineering, Beijing Key Laboratory for Magneto-Photoelectrical Composite and Interface Science, The State Key Laboratory for Advanced Metals and Materials, School of Mathematics and Physics, University of Science and Technology Beijing, Beijing 100083, China
| | - Jianfeng Jia
- Key Laboratory of Magnetic Molecules and Magnetic Information Materials of Ministry of Education, School of Chemistry and Materials Science, Shanxi Normal University, Taiyuan 030032, China
| | - Fang Wang
- Key Laboratory of Magnetic Molecules and Magnetic Information Materials of Ministry of Education, School of Chemistry and Materials Science, Shanxi Normal University, Taiyuan 030032, China
| | - Rongming Wang
- Beijing Advanced Innovation Center for Materials Genome Engineering, Beijing Key Laboratory for Magneto-Photoelectrical Composite and Interface Science, The State Key Laboratory for Advanced Metals and Materials, School of Mathematics and Physics, University of Science and Technology Beijing, Beijing 100083, China
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6
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Chen Z, Li X, Zhao J, Zhang S, Wang J, Zhang H, Zhang J, Dong Q, Zhang W, Hu W, Han X. Stabilizing Pt Single Atoms through Pt-Se Electron Bridges on Vacancy-enriched Nickel Selenide for Efficient Electrocatalytic Hydrogen Evolution. Angew Chem Int Ed Engl 2023; 62:e202308686. [PMID: 37503553 DOI: 10.1002/anie.202308686] [Citation(s) in RCA: 9] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/20/2023] [Revised: 07/23/2023] [Accepted: 07/24/2023] [Indexed: 07/29/2023]
Abstract
Rational design of Pt single-atom catalysts provides a promising strategy to significantly improve the electrocatalytic activity for hydrogen evolution reaction. In this work, we presented a novel and efficient strategy for utilizing the low electron-density region of substrate to effectively trap and confine high electron-density metal atoms. The Pt single-atom catalyst supported by nickel selenide with rich vacancies was prepared via a hydrothermal-impregnation stepwise approach. Through experimental testation and DFT theoretical calculation, we confirm that Pt single atoms are well distributed at cationic vacancies of nickel selenide with loading amount of 3.2 wt. %. Moreover, the atomic Pt combined with the high electronegative Se to form Pt-Se bond as a "bridge" between single atoms and substrate for fast electron translation. This novel catalyst shows an extremely low overpotential of 45 mV at 10 mA cm-2 and an excellent stability over 120 h. Furthermore, the nickel selenide supported Pt SACs exhibits long-term stability for practical application, which maintains a high current density of 390 mA cm-2 over 80 h with a retention of 99 %. This work points a promising direction for designing single atoms catalysts with high catalytic activity and stability for advanced green energy conversion technologies.
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Affiliation(s)
- Zanyu Chen
- Tianjin Key Laboratory of Composite and Functional Material, Key Laboratory of Advanced Ceramics and Machining Technology (Ministry of Education) School of Materials Science and Engineering, Tianjin University, Tianjin, 300350, P. R. China
| | - Xiaopeng Li
- Tianjin Key Laboratory of Composite and Functional Material, Key Laboratory of Advanced Ceramics and Machining Technology (Ministry of Education) School of Materials Science and Engineering, Tianjin University, Tianjin, 300350, P. R. China
- School of Materials Science and Engineering, Tianjin Key Laboratory of Building Green Functional Materials, Tianjin Chengjian University, Tianjin, 300384, P. R. China
| | - Jun Zhao
- Tianjin Key Laboratory of Composite and Functional Material, Key Laboratory of Advanced Ceramics and Machining Technology (Ministry of Education) School of Materials Science and Engineering, Tianjin University, Tianjin, 300350, P. R. China
| | - Shiyu Zhang
- Tianjin Key Laboratory of Composite and Functional Material, Key Laboratory of Advanced Ceramics and Machining Technology (Ministry of Education) School of Materials Science and Engineering, Tianjin University, Tianjin, 300350, P. R. China
| | - Jiajun Wang
- Tianjin Key Laboratory of Composite and Functional Material, Key Laboratory of Advanced Ceramics and Machining Technology (Ministry of Education) School of Materials Science and Engineering, Tianjin University, Tianjin, 300350, P. R. China
| | - Hong Zhang
- Joint School of National University of Singapore and Tianjin University, International Campus of Tianjin University, Binhai New City, Fuzhou, 350207, P. R. China
| | - Jinfeng Zhang
- Tianjin Key Laboratory of Composite and Functional Material, Key Laboratory of Advanced Ceramics and Machining Technology (Ministry of Education) School of Materials Science and Engineering, Tianjin University, Tianjin, 300350, P. R. China
| | - Qiujiang Dong
- Tianjin Key Laboratory of Composite and Functional Material, Key Laboratory of Advanced Ceramics and Machining Technology (Ministry of Education) School of Materials Science and Engineering, Tianjin University, Tianjin, 300350, P. R. China
| | - Wanxing Zhang
- Tianjin Key Laboratory of Composite and Functional Material, Key Laboratory of Advanced Ceramics and Machining Technology (Ministry of Education) School of Materials Science and Engineering, Tianjin University, Tianjin, 300350, P. R. China
| | - Wenbin Hu
- Tianjin Key Laboratory of Composite and Functional Material, Key Laboratory of Advanced Ceramics and Machining Technology (Ministry of Education) School of Materials Science and Engineering, Tianjin University, Tianjin, 300350, P. R. China
- Joint School of National University of Singapore and Tianjin University, International Campus of Tianjin University, Binhai New City, Fuzhou, 350207, P. R. China
| | - Xiaopeng Han
- Tianjin Key Laboratory of Composite and Functional Material, Key Laboratory of Advanced Ceramics and Machining Technology (Ministry of Education) School of Materials Science and Engineering, Tianjin University, Tianjin, 300350, P. R. China
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7
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Jiang Z, Zhou W, Hu C, Luo X, Zeng W, Gong X, Yang Y, Yu T, Lei W, Yuan C. Interlayer-Confined NiFe Dual Atoms within MoS 2 Electrocatalyst for Ultra-Efficient Acidic Overall Water Splitting. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2023; 35:e2300505. [PMID: 37147742 DOI: 10.1002/adma.202300505] [Citation(s) in RCA: 24] [Impact Index Per Article: 24.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/16/2023] [Revised: 05/03/2023] [Indexed: 05/07/2023]
Abstract
Confining dual atoms (DAs) within the van der Waals gap of 2D layered materials is expected to expedite the kinetic and energetic strength in catalytic process, yet is a huge challenge in atomic-scale precise assembling DAs within two adjacent layers in the 2D limit. Here, an ingenious approach is proposed to assemble DAs of Ni and Fe into the interlayer of MoS2 . While inheriting the exceptional merits of diatomic species, this interlayer-confined structure arms itself with confinement effect, displaying the more favorable adsorption strength on the confined metal active center and higher catalytic activity towards acidic water splitting, as verified by intensive research efforts of theoretical calculations and experimental measurements. Moreover, the interlayer-confined structure also renders metal DAs a protective shelter to survive in harsh acidic environment. The findings embodied the confinement effects at the atom level, and interlayer-confined assembling of multiple species highlights a general pathway to advance interlayer-confined DAs catalysts within various 2D materials.
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Affiliation(s)
- Zhenzhen Jiang
- Jiangxi Key Laboratory of Nanomaterials and Sensors, School of Physics, Communication and Electronics, Jiangxi Normal University, 99 Ziyang Avenue, Nanchang, Jiangxi, 330022, China
| | - Wenda Zhou
- School of Materials Science and Engineering, Anhui University, 111 Jiulong Road, Hefei, Anhui, 230601, China
| | - Ce Hu
- Jiangxi Key Laboratory of Nanomaterials and Sensors, School of Physics, Communication and Electronics, Jiangxi Normal University, 99 Ziyang Avenue, Nanchang, Jiangxi, 330022, China
| | - Xingfang Luo
- Jiangxi Key Laboratory of Nanomaterials and Sensors, School of Physics, Communication and Electronics, Jiangxi Normal University, 99 Ziyang Avenue, Nanchang, Jiangxi, 330022, China
| | - Wei Zeng
- Jiangxi Key Laboratory of Nanomaterials and Sensors, School of Physics, Communication and Electronics, Jiangxi Normal University, 99 Ziyang Avenue, Nanchang, Jiangxi, 330022, China
| | - Xunguo Gong
- Jiangxi Key Laboratory of Nanomaterials and Sensors, School of Physics, Communication and Electronics, Jiangxi Normal University, 99 Ziyang Avenue, Nanchang, Jiangxi, 330022, China
| | - Yong Yang
- Jiangxi Key Laboratory of Nanomaterials and Sensors, School of Physics, Communication and Electronics, Jiangxi Normal University, 99 Ziyang Avenue, Nanchang, Jiangxi, 330022, China
| | - Ting Yu
- Jiangxi Key Laboratory of Nanomaterials and Sensors, School of Physics, Communication and Electronics, Jiangxi Normal University, 99 Ziyang Avenue, Nanchang, Jiangxi, 330022, China
| | - Wen Lei
- Department of Electrical, Electronic and Computer Engineering, The University of Western Australia, 35 Stirling Highway, Crawley, WA, 6009, Australia
| | - Cailei Yuan
- Jiangxi Key Laboratory of Nanomaterials and Sensors, School of Physics, Communication and Electronics, Jiangxi Normal University, 99 Ziyang Avenue, Nanchang, Jiangxi, 330022, China
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8
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Evans PE, Wang Y, Sushko PV, Dohnálek Z. Understanding palladium-tellurium cluster formation on WTe 2: From a kinetically hindered distribution to thermodynamically controlled monodispersity. PNAS NEXUS 2023; 2:pgad212. [PMID: 37416870 PMCID: PMC10321376 DOI: 10.1093/pnasnexus/pgad212] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 04/13/2023] [Revised: 06/10/2023] [Accepted: 06/15/2023] [Indexed: 07/08/2023]
Abstract
A fundamental understanding of the transition metal dichalcogenide (TMDC)-metal interface is critical for their utilization in a broad range of applications. We investigate how the deposition of palladium (Pd), as a model metal, on WTe2(001), leads to the assembly of Pd into clusters and nanoparticles. Using X-ray photoemission spectroscopy, scanning tunneling microscopy imaging, and ab initio simulations, we find that Pd nucleation is driven by the interaction with and the availability of mobile excess tellurium (Te) leading to the formation of Pd-Te clusters at room temperature. Surprisingly, the nucleation of Pd-Te clusters is not affected by intrinsic surface defects, even at elevated temperatures. Upon annealing, the Pd-Te nanoclusters adopt an identical nanostructure and are stable up to ∼523 K. Density functional theory calculations provide a foundation for our understanding of the mobility of Pd and Te atoms, preferential nucleation of Pd-Te clusters, and the origin of their annealing-induced monodispersity. These results highlight the role the excess chalcogenide atoms may play in the metal deposition process. More broadly, the discoveries of synthetic pathways yielding thermally robust monodispersed nanostructures on TMDCs are critical to the manufacturing of novel quantum and microelectronics devices and catalytically active nano-alloy centers.
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Affiliation(s)
- Prescott E Evans
- Physical and Computational Sciences Directorate, Pacific Northwest National Laboratory, Richland, WA 99352, USA
| | - Yang Wang
- Physical and Computational Sciences Directorate, Pacific Northwest National Laboratory, Richland, WA 99352, USA
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9
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Wu R, Xu J, Zhao CL, Su XZ, Zhang XL, Zheng YR, Yang FY, Zheng XS, Zhu JF, Luo J, Li WX, Gao MR, Yu SH. Dopant triggered atomic configuration activates water splitting to hydrogen. Nat Commun 2023; 14:2306. [PMID: 37085504 PMCID: PMC10121564 DOI: 10.1038/s41467-023-37641-3] [Citation(s) in RCA: 7] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/06/2021] [Accepted: 03/22/2023] [Indexed: 04/23/2023] Open
Abstract
Finding highly efficient hydrogen evolution reaction (HER) catalysts is pertinent to the ultimate goal of transformation into a net-zero carbon emission society. The design principles for such HER catalysts lie in the well-known structure-property relationship, which guides the synthesis procedure that creates catalyst with target properties such as catalytic activity. Here we report a general strategy to synthesize 10 kinds of single-atom-doped CoSe2-DETA (DETA = diethylenetriamine) nanobelts. By systematically analyzing these products, we demonstrate a volcano-shape correlation between HER activity and Co atomic configuration (ratio of Co-N bonds to Co-Se bonds). Specifically, Pb-CoSe2-DETA catalyst reaches current density of 10 mA cm-2 at 74 mV in acidic electrolyte (0.5 M H2SO4, pH ~0.35). This striking catalytic performance can be attributed to its optimized Co atomic configuration induced by single-atom doping.
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Affiliation(s)
- Rui Wu
- Division of Nanomaterials & Chemistry, Hefei National Research Center for Physical Sciences at the Microscale, New Cornerstone Science Laboratory, Department of Chemistry, Institute of Biomimetic Materials & Chemistry, Anhui Engineering Laboratory of Biomimetic Materials, University of Science and Technology of China, Hefei, 230026, Anhui, P. R. China
| | - Jie Xu
- Institute of Functional Nano and Soft Materials (FUNSOM), Jiangsu Key Laboratory for Carbon-Based Functional Materials & Devices, Soochow University, 215123, Suzhou, P. R. China
| | - Chuan-Lin Zhao
- Department of Chemical Physics, School of Chemistry and Materials Science, University of Science and Technology of China, Hefei, 230026, Anhui, P. R. China
| | - Xiao-Zhi Su
- Shanghai Synchrotron Radiation Facility, Shanghai Advanced Research Institute, CAS, 201210, Shanghai, P. R. China
| | - Xiao-Long Zhang
- Division of Nanomaterials & Chemistry, Hefei National Research Center for Physical Sciences at the Microscale, New Cornerstone Science Laboratory, Department of Chemistry, Institute of Biomimetic Materials & Chemistry, Anhui Engineering Laboratory of Biomimetic Materials, University of Science and Technology of China, Hefei, 230026, Anhui, P. R. China
| | - Ya-Rong Zheng
- Division of Nanomaterials & Chemistry, Hefei National Research Center for Physical Sciences at the Microscale, New Cornerstone Science Laboratory, Department of Chemistry, Institute of Biomimetic Materials & Chemistry, Anhui Engineering Laboratory of Biomimetic Materials, University of Science and Technology of China, Hefei, 230026, Anhui, P. R. China
| | - Feng-Yi Yang
- Division of Nanomaterials & Chemistry, Hefei National Research Center for Physical Sciences at the Microscale, New Cornerstone Science Laboratory, Department of Chemistry, Institute of Biomimetic Materials & Chemistry, Anhui Engineering Laboratory of Biomimetic Materials, University of Science and Technology of China, Hefei, 230026, Anhui, P. R. China
| | - Xu-Sheng Zheng
- National Synchrotron Radiation Laboratory, University of Science and Technology of China, 230029, Hefei, P. R. China
| | - Jun-Fa Zhu
- National Synchrotron Radiation Laboratory, University of Science and Technology of China, 230029, Hefei, P. R. China
| | - Jun Luo
- School of Materials Science and Engineering, Tianjin University of Technology, 300384, Tianjin, P. R. China
| | - Wei-Xue Li
- Department of Chemical Physics, School of Chemistry and Materials Science, University of Science and Technology of China, Hefei, 230026, Anhui, P. R. China
| | - Min-Rui Gao
- Division of Nanomaterials & Chemistry, Hefei National Research Center for Physical Sciences at the Microscale, New Cornerstone Science Laboratory, Department of Chemistry, Institute of Biomimetic Materials & Chemistry, Anhui Engineering Laboratory of Biomimetic Materials, University of Science and Technology of China, Hefei, 230026, Anhui, P. R. China.
| | - Shu-Hong Yu
- Division of Nanomaterials & Chemistry, Hefei National Research Center for Physical Sciences at the Microscale, New Cornerstone Science Laboratory, Department of Chemistry, Institute of Biomimetic Materials & Chemistry, Anhui Engineering Laboratory of Biomimetic Materials, University of Science and Technology of China, Hefei, 230026, Anhui, P. R. China.
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10
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Engineering sulfur vacancies for boosting electrocatalytic reactions. CHINESE CHEM LETT 2023. [DOI: 10.1016/j.cclet.2023.108285] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/07/2023]
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11
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Yang X, Ouyang Y, Guo R, Yao Z. Dimension Engineering in Noble-Metal-Based Electrocatalysts for Water Splitting. CHEM REC 2023; 23:e202200212. [PMID: 36193972 DOI: 10.1002/tcr.202200212] [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: 08/25/2022] [Revised: 09/12/2022] [Indexed: 11/11/2022]
Abstract
Dimension engineering plays a critical role in determining the electrocatalytic performance of catalysts towards water electrolysis since it is highly sensitive to the surface and interface properties. Bearing these considerations into mind, intensive efforts have been devoted to the rational dimension design and engineering, and many advanced nanocatalysts with multidimensions have been successfully fabricated. Aiming to provide more guidance for the fabrication of highly efficient noble-metal-based electrocatalysts, this review has focused on the recent progress in dimension engineering of noble-metal-based electrocatalysts towards water splitting, including the advanced engineering strategies, the application of noble-metal-based electrocatalysts with distinctive geometric structure from 0D to 1D, 2D, 3D, and multidimensions. In addition, the perspective insights and challenges of the dimension engineering in the noble-metal-based electrocatalysts is also systematically discussed.
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Affiliation(s)
- Xin Yang
- Key Laboratory of Research and Utilization of Ethnomedicinal Plant Resources of Hunan Province, Hunan Engineering Laboratory for Preparation Technology of Polyvinyl Alcohol Fiber Material, Huaihua University, Huaihua, 418000, PR China
| | - Yuejun Ouyang
- Key Laboratory of Research and Utilization of Ethnomedicinal Plant Resources of Hunan Province, Hunan Engineering Laboratory for Preparation Technology of Polyvinyl Alcohol Fiber Material, Huaihua University, Huaihua, 418000, PR China
| | - Ruike Guo
- Key Laboratory of Research and Utilization of Ethnomedicinal Plant Resources of Hunan Province, Hunan Engineering Laboratory for Preparation Technology of Polyvinyl Alcohol Fiber Material, Huaihua University, Huaihua, 418000, PR China
| | - Zufu Yao
- Hunan Province Key Laboratory for Antibody-based Drug and Intelligent Delivery System, Hunan University of Medicine, Huaihua, 418000, PR China
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12
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Chu X, Wang K, Qian W, Xu H. Surface and interfacial engineering of 1D Pt-group nanostructures for catalysis. Coord Chem Rev 2023. [DOI: 10.1016/j.ccr.2022.214952] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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13
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Zhang X, Zhang Q, Reng J, Lin Y, Tang Y, Liu G, Wang P, Lu GP. N, S Co-Coordinated Zinc Single-Atom Catalysts for N-Alkylation of Aromatic Amines with Alcohols: The Role of S-Doping in the Reaction. NANOMATERIALS (BASEL, SWITZERLAND) 2023; 13:445. [PMID: 36770405 PMCID: PMC9919690 DOI: 10.3390/nano13030445] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 01/05/2023] [Revised: 01/15/2023] [Accepted: 01/16/2023] [Indexed: 06/18/2023]
Abstract
S-doping emerged as a promising approach to further improve the catalytic performance of carbon-based materials for organic synthesis. Herein, a facile and gram-scale strategy was developed using zeolitic imidazole frameworks (ZIFs) as a precursor for the fabrication of the ZIF-derived N, S co-doped carbon-supported zinc single-atom catalyst (CNS@Zn1-AA) via the pyrolysis of S-doped ZIF-8, which was modified by aniline, ammonia and thiourea and prepared by one-pot ball milling at room temperature. This catalyst, in which Zn is dispersed as the single atom, displays superior activity in N-alkylation via the hydrogen-borrowing strategy (120 °C, turnover frequency (TOF) up to 8.4 h-1). S-doping significantly enhanced the catalytic activity of CNS@Zn1-AA, as it increased the specific surface area and defects of this material and simultaneously increased the electron density of Zn sites in this catalyst. Furthermore, this catalyst had excellent stability and recyclability, and no obvious loss in activity after eight runs.
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Affiliation(s)
- Xueping Zhang
- School of Chemistry and Chemical Engineering, Nanjing University of Science & Technology, Xiaolingwei 200, Nanjing 210094, China
| | - Qiang Zhang
- School of Chemistry and Life Sciences, Suzhou University of Science and Technology, Suzhou 215009, China
| | - Jiacheng Reng
- School of Chemistry and Chemical Engineering, Nanjing University of Science & Technology, Xiaolingwei 200, Nanjing 210094, China
| | - Yamei Lin
- School of Food Science and Pharmaceutical Engineering, Nanjing Normal University, Wenyuanstreet 200, Nanjing 210032, China
| | - Yongxing Tang
- School of Chemistry and Chemical Engineering, Nanjing University of Science & Technology, Xiaolingwei 200, Nanjing 210094, China
| | - Guigao Liu
- School of Chemistry and Chemical Engineering, Nanjing University of Science & Technology, Xiaolingwei 200, Nanjing 210094, China
| | - Pengcheng Wang
- School of Chemistry and Chemical Engineering, Nanjing University of Science & Technology, Xiaolingwei 200, Nanjing 210094, China
| | - Guo-Ping Lu
- School of Chemistry and Chemical Engineering, Nanjing University of Science & Technology, Xiaolingwei 200, Nanjing 210094, China
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14
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Matthews T, Mashola TA, Adegoke KA, Mugadza K, Fakude CT, Adegoke OR, Adekunle AS, Ndungu P, Maxakato NW. Electrocatalytic activity on single atoms catalysts: Synthesis strategies, characterization, classification, and energy conversion applications. Coord Chem Rev 2022. [DOI: 10.1016/j.ccr.2022.214600] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
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15
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Tracking single adatoms in liquid in a transmission electron microscope. Nature 2022; 609:942-947. [PMID: 35896149 DOI: 10.1038/s41586-022-05130-0] [Citation(s) in RCA: 17] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/03/2020] [Accepted: 07/20/2022] [Indexed: 02/01/2023]
Abstract
Single atoms or ions on surfaces affect processes from nucleation1 to electrochemical reactions2 and heterogeneous catalysis3. Transmission electron microscopy is a leading approach for visualizing single atoms on a variety of substrates4,5. It conventionally requires high vacuum conditions, but has been developed for in situ imaging in liquid and gaseous environments6,7 with a combined spatial and temporal resolution that is unmatched by any other method-notwithstanding concerns about electron-beam effects on samples. When imaging in liquid using commercial technologies, electron scattering in the windows enclosing the sample and in the liquid generally limits the achievable resolution to a few nanometres6,8,9. Graphene liquid cells, on the other hand, have enabled atomic-resolution imaging of metal nanoparticles in liquids10. Here we show that a double graphene liquid cell, consisting of a central molybdenum disulfide monolayer separated by hexagonal boron nitride spacers from the two enclosing graphene windows, makes it possible to monitor, with atomic resolution, the dynamics of platinum adatoms on the monolayer in an aqueous salt solution. By imaging more than 70,000 single adatom adsorption sites, we compare the site preference and dynamic motion of the adatoms in both a fully hydrated and a vacuum state. We find a modified adsorption site distribution and higher diffusivities for the adatoms in the liquid phase compared with those in vacuum. This approach paves the way for in situ liquid-phase imaging of chemical processes with single-atom precision.
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16
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Chen Y, Lin J, Jia B, Wang X, Jiang S, Ma T. Isolating Single and Few Atoms for Enhanced Catalysis. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2022; 34:e2201796. [PMID: 35577552 DOI: 10.1002/adma.202201796] [Citation(s) in RCA: 52] [Impact Index Per Article: 26.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/24/2022] [Revised: 04/16/2022] [Indexed: 05/27/2023]
Abstract
Atomically dispersed metal catalysts have triggered great interest in the field of catalysis owing to their unique features. Isolated single or few metal atoms can be anchored on substrates via chemical bonding or space confinement to maximize atom utilization efficiency. The key challenge lies in precisely regulating the geometric and electronic structure of the active metal centers, thus significantly influencing the catalytic properties. Although several reviews have been published on the preparation, characterization, and application of single-atom catalysts (SACs), the comprehensive understanding of SACs, dual-atom catalysts (DACs), and atomic clusters has never been systematically summarized. Here, recent advances in the engineering of local environments of state-of-the-art SACs, DACs, and atomic clusters for enhanced catalytic performance are highlighted. Firstly, various synthesis approaches for SACs, DACs, and atomic clusters are presented. Then, special attention is focused on the elucidation of local environments in terms of electronic state and coordination structure. Furthermore, a comprehensive summary of isolated single and few atoms for the applications of thermocatalysis, electrocatalysis, and photocatalysis is provided. Finally, the potential challenges and future opportunities in this emerging field are presented. This review will pave the way to regulate the microenvironment of the active site for boosting catalytic processes.
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Affiliation(s)
- Yang Chen
- Institute of Clean Energy Chemistry, Key Laboratory for Green Synthesis and Preparative Chemistry of Advanced Materials of Liaoning Province, College of Chemistry, Liaoning University, Shenyang, 110036, China
| | - Jian Lin
- CAS Key Laboratory of Science and Technology on Applied Catalysis, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian, 116023, China
| | - Baohua Jia
- School of Science, RMIT University, Melbourne, VIC, 3000, Australia
| | - Xiaodong Wang
- CAS Key Laboratory of Science and Technology on Applied Catalysis, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian, 116023, China
| | - Shuaiyu Jiang
- School of Science, RMIT University, Melbourne, VIC, 3000, Australia
| | - Tianyi Ma
- School of Science, RMIT University, Melbourne, VIC, 3000, Australia
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17
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Cho YS, Rhee D, Eom J, Kim J, Jung M, Son Y, Han YK, Kim KK, Kang J. Scalable Synthesis of Pt Nanoflowers on Solution‐Processed MoS
2
Thin Film for Efficient Hydrogen Evolution Reaction. SMALL SCIENCE 2022. [DOI: 10.1002/smsc.202200043] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022] Open
Affiliation(s)
- Yun Seong Cho
- School of Advanced Materials Science and Engineering Sungkyunkwan University (SKKU) Suwon 16419 Republic of Korea
| | - Dongjoon Rhee
- School of Advanced Materials Science and Engineering Sungkyunkwan University (SKKU) Suwon 16419 Republic of Korea
| | - Jeongha Eom
- School of Advanced Materials Science and Engineering Sungkyunkwan University (SKKU) Suwon 16419 Republic of Korea
| | - Jihyun Kim
- School of Advanced Materials Science and Engineering Sungkyunkwan University (SKKU) Suwon 16419 Republic of Korea
| | - Myeongjin Jung
- School of Advanced Materials Science and Engineering Sungkyunkwan University (SKKU) Suwon 16419 Republic of Korea
| | - Youngdoo Son
- Department of Industrial and Systems Engineering Dongguk University-Seoul Seoul 04620 Republic of Korea
| | - Young-Kyu Han
- Department of Energy and Materials Engineering Dongguk University-Seoul Seoul 04620 Republic of Korea
| | - Ki Kang Kim
- Department of Energy Science Sungkyunkwan University (SKKU) Suwon 16419 Republic of Korea
- Center for Integrated Nanostructure Physics (CINAP) Institute for Basic Science (IBS) Sungkyunkwan University (SKKU) Suwon 16419 Republic of Korea
| | - Joohoon Kang
- School of Advanced Materials Science and Engineering Sungkyunkwan University (SKKU) Suwon 16419 Republic of Korea
- KIST-SKKU Carbon-Neutral Research Center Sungkyunkwan University (SKKU) Suwon 16419 Republic of Korea
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18
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The effect of coordination environment on the activity and selectivity of single-atom catalysts. Coord Chem Rev 2022. [DOI: 10.1016/j.ccr.2022.214493] [Citation(s) in RCA: 15] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
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19
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Sun Y, Ding S, Xia B, Duan J, Antonietti M, Chen S. Biomimetic FeMo(Se, Te) as Joint Electron Pool Promoting Nitrogen Electrofixation. Angew Chem Int Ed Engl 2022; 61:e202115198. [DOI: 10.1002/anie.202115198] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/09/2021] [Indexed: 11/05/2022]
Affiliation(s)
- Yuntong Sun
- Key Laboratory for Soft Chemistry and Functional Materials School of Chemistry and Chemical Engineering School of Energy and Power Engineering Nanjing University of Science and Technology Nanjing 210094 China
| | - Shan Ding
- Key Laboratory for Soft Chemistry and Functional Materials School of Chemistry and Chemical Engineering School of Energy and Power Engineering Nanjing University of Science and Technology Nanjing 210094 China
| | - Baokai Xia
- Key Laboratory for Soft Chemistry and Functional Materials School of Chemistry and Chemical Engineering School of Energy and Power Engineering Nanjing University of Science and Technology Nanjing 210094 China
| | - Jingjing Duan
- Key Laboratory for Soft Chemistry and Functional Materials School of Chemistry and Chemical Engineering School of Energy and Power Engineering Nanjing University of Science and Technology Nanjing 210094 China
| | - Markus Antonietti
- Max Planck Institute of Colloids and Interfaces 14476 Potsdam Germany
| | - Sheng Chen
- Key Laboratory for Soft Chemistry and Functional Materials School of Chemistry and Chemical Engineering School of Energy and Power Engineering Nanjing University of Science and Technology Nanjing 210094 China
- Max Planck Institute of Colloids and Interfaces 14476 Potsdam Germany
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20
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Jiao S, Kong M, Hu Z, Zhou S, Xu X, Liu L. Pt Atom on the Wall of Atomic Layer Deposition (ALD)-Made MoS 2 Nanotubes for Efficient Hydrogen Evolution. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2022; 18:e2105129. [PMID: 35253963 DOI: 10.1002/smll.202105129] [Citation(s) in RCA: 12] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/25/2021] [Revised: 02/07/2022] [Indexed: 06/14/2023]
Abstract
Single-atom catalysts (SACs) can achieve excellent catalytic efficiency at ultralow catalyst consumptions. Herein, platinum (Pt) atoms are fixed on the wall of atomic layer deposition (ALD)-made molybdenum disulfide nanotube arrays (MoS2 -NTA) for efficient hydrogen evolution reaction (HER). More concretely, MoS2 -NTA with different nanotube diameters and wall thicknesses are fabricated by a sacrificial strategy of anodic aluminum oxide (AAO) template via ALD; then Pt atoms are fixed on the wall of Ti3 C2 -supported MoS2 -NTA as a catalytic system. The MoS2 -NTA/Ti3 C2 decorated with 0.13 wt.% of Pt results in a low overpotential of 32 mV to deliver a current density of 10 mA cm-2 , which is superior to 20 wt.% commercial Pt/C (41 mV). Ordered MoS2 -NTA instead of 2D MoS2 prevents Pt atoms from aggregating and then exerts catalytic activities. The density functional theory calculations suggest that the Pt atoms are more likely to occupy the sites on the tubular MoS2 than the planar MoS2 , and the Pt atoms accumulated at the Mo site of MoS2 -NT have a moderate Gibbs free energy (close to zero).
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Affiliation(s)
- Songlong Jiao
- Jiangsu Key Laboratory for Design and Manufacture of Micro-Nano Biomedical Instruments, School of Mechanical Engineering, Southeast University, Nanjing, 211189, P. R. China
| | - Mengshu Kong
- Jiangsu Key Laboratory for Design and Manufacture of Micro-Nano Biomedical Instruments, School of Mechanical Engineering, Southeast University, Nanjing, 211189, P. R. China
| | - Zhenpeng Hu
- School of Physics, Nankai University, Tianjin, 300071, P. R. China
| | - Shiming Zhou
- Hefei National Laboratory for Physics Sciences at the Microscale, University of Science and Technology of China, Hefei, 230026, P. R. China
| | - Xiaoxuan Xu
- Nanjing Vocat Univ Ind Technol, Nanjing, 210023, P. R. China
| | - Lei Liu
- Jiangsu Key Laboratory for Design and Manufacture of Micro-Nano Biomedical Instruments, School of Mechanical Engineering, Southeast University, Nanjing, 211189, P. R. China
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21
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Sun Y, Ding S, Xia B, Duan J, Antonietti M, Chen S. Biomimetic FeMo(Se, Te) as Joint Electron Pool Promoting Nitrogen Electrofixation. Angew Chem Int Ed Engl 2022. [DOI: 10.1002/ange.202115198] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
Affiliation(s)
- Yuntong Sun
- Key Laboratory for Soft Chemistry and Functional Materials School of Chemistry and Chemical Engineering School of Energy and Power Engineering Nanjing University of Science and Technology Nanjing 210094 China
| | - Shan Ding
- Key Laboratory for Soft Chemistry and Functional Materials School of Chemistry and Chemical Engineering School of Energy and Power Engineering Nanjing University of Science and Technology Nanjing 210094 China
| | - Baokai Xia
- Key Laboratory for Soft Chemistry and Functional Materials School of Chemistry and Chemical Engineering School of Energy and Power Engineering Nanjing University of Science and Technology Nanjing 210094 China
| | - Jingjing Duan
- Key Laboratory for Soft Chemistry and Functional Materials School of Chemistry and Chemical Engineering School of Energy and Power Engineering Nanjing University of Science and Technology Nanjing 210094 China
| | - Markus Antonietti
- Max Planck Institute of Colloids and Interfaces 14476 Potsdam Germany
| | - Sheng Chen
- Key Laboratory for Soft Chemistry and Functional Materials School of Chemistry and Chemical Engineering School of Energy and Power Engineering Nanjing University of Science and Technology Nanjing 210094 China
- Max Planck Institute of Colloids and Interfaces 14476 Potsdam Germany
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22
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Aggarwal P, Sarkar D, Awasthi K, Menezes PW. Functional role of single-atom catalysts in electrocatalytic hydrogen evolution: Current developments and future challenges. Coord Chem Rev 2022. [DOI: 10.1016/j.ccr.2021.214289] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
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23
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Shi Y, Rabbani M, Vázquez-Mayagoitia Á, Zhao J, Saidi WA. Controlling the nucleation and growth of ultrasmall metal nanoclusters with MoS 2 grain boundaries. NANOSCALE 2022; 14:617-625. [PMID: 34985076 DOI: 10.1039/d1nr07836d] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/14/2023]
Abstract
The stabilization of supported nanoclusters is critical for different applications, including catalysis and plasmonics. Herein we investigate the impact of MoS2 grain boundaries (GBs) on the nucleation and growth of Pt NCs. The optimum atomic structure of the metal clusters is obtained using an adaptive genetic algorithm that employs a hybrid approach based on atomistic force fields and density functional theory. Our findings show that GBs stabilize the NCs up to a cluster size of nearly ten atoms, and with larger clusters having a similar binding to the pristine system. Notably, Pt monomers are found to be attracted to GB cores achieving 60% more stabilization compared to the pristine surface. Furthermore, we show that the nucleation and growth of the metal seeds are facile with low kinetic barriers, which are of similar magnitude to the diffusion barriers of metals on the pristine surface. The findings highlight the need to engineer ultrasmall NCs to take advantage of enhanced stabilization imparted by the GB region, particularly to circumvent sintering behavior for high-temperature applications.
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Affiliation(s)
- Yongliang Shi
- Center for Spintronics and Quantum Systems, State Key Laboratory for Mechanical Behavior of Materials, School of Materials Science and Engineering, Xi'an Jiaotong University, Xi'an, Shaanxi 710049, China
- State Key Laboratory of Surface Physics and Department of Physics, Fudan University, Shanghai, 200433, China
- ICQD/Hefei National Laboratory for Physical Sciences at the Microscale, and CAS Key Laboratory of Strongly-Coupled Quantum Matter Physics, and Department of Physics, University of Science and Technology of China, Hefei, Anhui 230026, China
| | - Muztoba Rabbani
- Department of Mechanical Engineering and Materials Science, University of Pittsburgh, Pittsburgh, Pennsylvania 15261, USA.
| | | | - Jin Zhao
- ICQD/Hefei National Laboratory for Physical Sciences at the Microscale, and CAS Key Laboratory of Strongly-Coupled Quantum Matter Physics, and Department of Physics, University of Science and Technology of China, Hefei, Anhui 230026, China
- Department of Physics and Astronomy, University of Pittsburgh, Pittsburgh, PA 15260, USA
- Synergetic Innovation Center of Quantum Information & Quantum Physics, University of Science and Technology of China, Hefei, Anhui 230026, China
| | - Wissam A Saidi
- Department of Mechanical Engineering and Materials Science, University of Pittsburgh, Pittsburgh, Pennsylvania 15261, USA.
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24
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Zhang H, Yu Y, Dai X, Yu J, Xu H, Wang S, Ding F, Zhang J. Probing Atomic-Scale Fracture of Grain Boundaries in Low-symmetry 2D Materials. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2021; 17:e2102739. [PMID: 34643318 DOI: 10.1002/smll.202102739] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/10/2021] [Revised: 08/24/2021] [Indexed: 06/13/2023]
Abstract
Grain boundaries (GBs) play a central role in the fracture of polycrystals. However, the complexity of GBs and the difficulty in monitoring the atomic structure evolution during fracture greatly limit the understanding of the GB mechanics. Here, in situ aberration-corrected scanning transmission electron microscopy and density functional theory calculations are combined to investigate the fracture mechanics in low-symmetry, polycrystalline, 2D rhenium disulfide (ReS2 ), unveiling the distinctive crack behaviors at different GBs with atomic resolution. Brittle intergranular fracture prefers to rip through the GBs that are parallel to the Re chains of at least one side of the GBs. In contrast, those GBs, which do not align with Re chains on either side of the GBs, are highly resistant to fracture, impeding or deflecting the crack propagation. These results disclose the GB type-dependent mechanical failure of anisotropic 2D polycrystals, providing new ideas for material reinforcement and controllable cutting via GB engineering.
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Affiliation(s)
- Hui Zhang
- Science and Technology on Advanced Ceramic Fibers and Composites Laboratory, College of Aerospace Science and Engineering, National University of Defense Technology, Changsha, 410000, P. R. China
| | - Yue Yu
- Center for Nanochemistry, Beijing Science and Engineering Center for Nanocarbons, Beijing National Laboratory for Molecular Sciences, College of Chemistry and Molecular Engineering, Peking University, Beijing, 100871, P. R. China
| | - Xinyue Dai
- Centre for Multidimensional Carbon Materials, Institute for Basic Science, Ulsan, 44919, South Korea
- School of Life Sciences, Shanghai University, Shanghai, 200444, P. R. China
| | - Jinshan Yu
- Science and Technology on Advanced Ceramic Fibers and Composites Laboratory, College of Aerospace Science and Engineering, National University of Defense Technology, Changsha, 410000, P. R. China
| | - Hua Xu
- Key Laboratory of Applied Surface and Colloid Chemistry Ministry of Education, Shaanxi Key Laboratory for Advanced Energy Devices, Shaanxi Engineering Lab for Advanced Energy Technology, School of Materials Science and Engineering, Shaanxi Normal University, Xi'an, 710119, P. R. China
| | - Shanshan Wang
- Science and Technology on Advanced Ceramic Fibers and Composites Laboratory, College of Aerospace Science and Engineering, National University of Defense Technology, Changsha, 410000, P. R. China
- Center for Nanochemistry, Beijing Science and Engineering Center for Nanocarbons, Beijing National Laboratory for Molecular Sciences, College of Chemistry and Molecular Engineering, Peking University, Beijing, 100871, P. R. China
| | - Feng Ding
- Centre for Multidimensional Carbon Materials, Institute for Basic Science, Ulsan, 44919, South Korea
- School of Materials Science and Engineering, Ulsan, National Institute of Science and Technology, Ulsan, 44919, South Korea
| | - Jin Zhang
- Center for Nanochemistry, Beijing Science and Engineering Center for Nanocarbons, Beijing National Laboratory for Molecular Sciences, College of Chemistry and Molecular Engineering, Peking University, Beijing, 100871, P. R. China
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25
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Wang X, Zhang Y, Wu J, Zhang Z, Liao Q, Kang Z, Zhang Y. Single-Atom Engineering to Ignite 2D Transition Metal Dichalcogenide Based Catalysis: Fundamentals, Progress, and Beyond. Chem Rev 2021; 122:1273-1348. [PMID: 34788542 DOI: 10.1021/acs.chemrev.1c00505] [Citation(s) in RCA: 55] [Impact Index Per Article: 18.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
Single-atom catalysis has been recognized as a pivotal milestone in the development history of heterogeneous catalysis by virtue of its superior catalytic performance, ultrahigh atomic utilization, and well-defined structure. Beyond single-atom protrusions, two more motifs of single-atom substitutions and single-atom vacancies along with synergistic single-atom motif assemblies have been progressively developed to enrich the single-atom family. On the other hand, besides traditional carbon material based substrates, a wide variety of 2D transitional metal dichalcogenides (TMDs) have been emerging as a promising platform for single-atom catalysis owing to their diverse elemental compositions, variable crystal structures, flexible electronic structures, and intrinsic activities toward many catalytic reactions. Such substantial expansion of both single-atom motifs and substrates provides an enriched toolbox to further optimize the geometric and electronic structures for pushing the performance limit. Concomitantly, higher requirements have been put forward for synthetic and characterization techniques with related technical bottlenecks being continuously conquered. Furthermore, this burgeoning single-atom catalyst (SAC) system has triggered serial scientific issues about their changeable single atom-2D substrate interaction, ambiguous synergistic effects of various atomic assemblies, as well as dynamic structure-performance correlations, all of which necessitate further clarification and comprehensive summary. In this context, this Review aims to summarize and critically discuss the single-atom engineering development in the whole field of 2D TMD based catalysis covering their evolution history, synthetic methodologies, characterization techniques, catalytic applications, and dynamic structure-performance correlations. In situ characterization techniques are highlighted regarding their critical roles in real-time detection of SAC reconstruction and reaction pathway evolution, thus shedding light on lifetime dynamic structure-performance correlations which lay a solid theoretical foundation for the whole catalytic field, especially for SACs.
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Affiliation(s)
- Xin Wang
- Academy for Advanced Interdisciplinary Science and Technology, Beijing Advanced Innovation Center for Materials Genome Engineering, Beijing Key Laboratory for Advanced Energy Materials and Technologies, University of Science and Technology Beijing, Beijing 100083, P. R. China.,State Key Laboratory for Advanced Metals and Materials, School of Materials Science and Engineering, University of Science and Technology Beijing, Beijing 100083, P. R. China
| | - Yuwei Zhang
- Academy for Advanced Interdisciplinary Science and Technology, Beijing Advanced Innovation Center for Materials Genome Engineering, Beijing Key Laboratory for Advanced Energy Materials and Technologies, University of Science and Technology Beijing, Beijing 100083, P. R. China.,State Key Laboratory for Advanced Metals and Materials, School of Materials Science and Engineering, University of Science and Technology Beijing, Beijing 100083, P. R. China
| | - Jing Wu
- Academy for Advanced Interdisciplinary Science and Technology, Beijing Advanced Innovation Center for Materials Genome Engineering, Beijing Key Laboratory for Advanced Energy Materials and Technologies, University of Science and Technology Beijing, Beijing 100083, P. R. China.,State Key Laboratory for Advanced Metals and Materials, School of Materials Science and Engineering, University of Science and Technology Beijing, Beijing 100083, P. R. China
| | - Zheng Zhang
- Academy for Advanced Interdisciplinary Science and Technology, Beijing Advanced Innovation Center for Materials Genome Engineering, Beijing Key Laboratory for Advanced Energy Materials and Technologies, University of Science and Technology Beijing, Beijing 100083, P. R. China.,State Key Laboratory for Advanced Metals and Materials, School of Materials Science and Engineering, University of Science and Technology Beijing, Beijing 100083, P. R. China
| | - Qingliang Liao
- Academy for Advanced Interdisciplinary Science and Technology, Beijing Advanced Innovation Center for Materials Genome Engineering, Beijing Key Laboratory for Advanced Energy Materials and Technologies, University of Science and Technology Beijing, Beijing 100083, P. R. China.,State Key Laboratory for Advanced Metals and Materials, School of Materials Science and Engineering, University of Science and Technology Beijing, Beijing 100083, P. R. China
| | - Zhuo Kang
- Academy for Advanced Interdisciplinary Science and Technology, Beijing Advanced Innovation Center for Materials Genome Engineering, Beijing Key Laboratory for Advanced Energy Materials and Technologies, University of Science and Technology Beijing, Beijing 100083, P. R. China.,State Key Laboratory for Advanced Metals and Materials, School of Materials Science and Engineering, University of Science and Technology Beijing, Beijing 100083, P. R. China
| | - Yue Zhang
- Academy for Advanced Interdisciplinary Science and Technology, Beijing Advanced Innovation Center for Materials Genome Engineering, Beijing Key Laboratory for Advanced Energy Materials and Technologies, University of Science and Technology Beijing, Beijing 100083, P. R. China.,State Key Laboratory for Advanced Metals and Materials, School of Materials Science and Engineering, University of Science and Technology Beijing, Beijing 100083, P. R. China
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26
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27
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Tursun M, Wu C. Vacancy-triggered and dopant-assisted NO electrocatalytic reduction over MoS 2. Phys Chem Chem Phys 2021; 23:19872-19883. [PMID: 34525138 DOI: 10.1039/d1cp02764f] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
Abstract
Nitric oxide electroreduction reaction (NOER) is an efficient method for NH3 synthesis and NOx-related pollutant treatment. However, current research on NOER catalysts mainly focuses on noble metals and single atom catalysts, while low-cost transition metal dichalcogenides (TMDCs) are rarely considered. Herein, by applying density functional theory (DFT) calculations, we study the catalytic performance of NOER over 2H-MoS2 monolayers with the most common S vacancies and some Mo atoms substituted by transition metal atoms (denoted as TM-MoS2@VS). Our results show that an S vacancy and a heteroatom substitution tend to form a first nearest neighbour (1NN) pair, which greatly improves the NOER catalytic performance of 2H-MoS2. The S vacancy site can trigger NOER by strongly adsorbing a NO molecule and elongating the NO bond, while the heteroatom dopant can assist NOER by tuning the electron donating capability of 2H-MoS2 which breaks the linear scaling relations among key reaction intermediates. At low NO coverage, NH3 can be correspondingly yielded at -0.06 and -0.38 V onset potentials over the Pt- and Au-doped MoS2 catalysts with S vacancies (Pt-MoS2@VS and Au-MoS2@VS). At high NO coverage, N2O/N2 is thermodynamically favored. Meanwhile, the competing hydrogen evolution reaction (HER) is suppressed. Thus, the Pt-MoS2@VS catalysts are promising candidates for NOER. In addition, coupling the substitutional doping of Mo atoms to S vacancies presents great potential in improving the catalytic activity and selectivity of MoS2 for other reactions. In general, the strategy of coupling hetero-metal doping and chalcogen vacancy can be extended to enhance the catalytic activity of other TMDCs.
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Affiliation(s)
- Mamutjan Tursun
- Frontier Institute of Science and Technology, Xi'an Jiaotong University, Xi'an 710054, China. .,Xinjiang Laboratory of Native Medicinal and Edible Plant Resources Chemistry, College of Chemistry and Environmental Science, Kashgar University, Kashgar, Xinjiang, 844000, China
| | - Chao Wu
- Frontier Institute of Science and Technology, Xi'an Jiaotong University, Xi'an 710054, China.
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28
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Li S, Wang S, Xu T, Zhang H, Tang Y, Liu S, Jiang T, Zhou S, Cheng H. Growth mechanism and atomic structure of group-IIA compound-promoted CVD-synthesized monolayer transition metal dichalcogenides. NANOSCALE 2021; 13:13030-13041. [PMID: 34477786 DOI: 10.1039/d1nr03273a] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/13/2023]
Abstract
Developing promoters that can boost the growth quality, efficiency, and robustness of two-dimensional (2D) transition metal dichalcogenides is significant for their industrial applications. Herein a new group (group IIA) of promoters in the periodic table has been disclosed, whose chlorides (especially CaCl2 and SrCl2) exhibit a versatile promoting effect on the CVD growth of various TMD monolayers, including hexagonal MoS2, MoSe2, Re doped MoS2, and triclinic ReS2. The promoting effect of group IIA promoters relies on the appropriate dose and is strongly substrate-dependent. The performances of five typical group IA-IIA metal chlorides are ranked by quantitative investigations, displaying periodic variations closely related to the electronegativities of the metal elements. A brand-new acid-base match model is proposed, attributing the promoting mechanism to an increase of the substrate basicity due to the usage of promoters, thus leading to the sufficient adsorption of the acidic precursor. Aberration-corrected annular dark field scanning transmission electron microscopy (ADF-STEM) was applied, unveiling anomalous grain boundaries (GBs) with a low density of coincident sites in the as-grown ReS2 and detailed atomic configurations of Re doped MoS2. This work expands the promoter library and gives an insight into GB engineering for the CVD growth of 2D TMDs.
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Affiliation(s)
- Shouheng Li
- Science and Technology on Advanced Ceramic Fibers and Composites Laboratory, College of Aerospace Science and Engineering, National University of Defense Technology, Changsha 410073, P. R. China.
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29
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Designing of Highly Active and Sustainable Encapsulated Stabilized Palladium Nanoclusters as well as Real Exploitation for Catalytic Hydrogenation in Water. Catal Letters 2021. [DOI: 10.1007/s10562-020-03327-4] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
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30
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Kaiser SK, Chen Z, Faust Akl D, Mitchell S, Pérez-Ramírez J. Single-Atom Catalysts across the Periodic Table. Chem Rev 2020; 120:11703-11809. [PMID: 33085890 DOI: 10.1021/acs.chemrev.0c00576] [Citation(s) in RCA: 357] [Impact Index Per Article: 89.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
Isolated atoms featuring unique reactivity are at the heart of enzymatic and homogeneous catalysts. In contrast, although the concept has long existed, single-atom heterogeneous catalysts (SACs) have only recently gained prominence. Host materials have similar functions to ligands in homogeneous catalysts, determining the stability, local environment, and electronic properties of isolated atoms and thus providing a platform for tailoring heterogeneous catalysts for targeted applications. Within just a decade, we have witnessed many examples of SACs both disrupting diverse fields of heterogeneous catalysis with their distinctive reactivity and substantially enriching our understanding of molecular processes on surfaces. To date, the term SAC mostly refers to late transition metal-based systems, but numerous examples exist in which isolated atoms of other elements play key catalytic roles. This review provides a compositional encyclopedia of SACs, celebrating the 10th anniversary of the introduction of this term. By defining single-atom catalysis in the broadest sense, we explore the full elemental diversity, joining different areas across the whole periodic table, and discussing historical milestones and recent developments. In particular, we examine the coordination structures and associated properties accessed through distinct single-atom-host combinations and relate them to their main applications in thermo-, electro-, and photocatalysis, revealing trends in element-specific evolution, host design, and uses. Finally, we highlight frontiers in the field, including multimetallic SACs, atom proximity control, and possible applications for multistep and cascade reactions, identifying challenges, and propose directions for future development in this flourishing field.
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Affiliation(s)
- Selina K Kaiser
- Institute for Chemical and Bioengineering, Department of Chemistry and Applied Biosciences, ETH Zurich, Vladimir-Prelog-Weg 1, 8093 Zurich, Switzerland
| | - Zupeng Chen
- Institute for Chemical and Bioengineering, Department of Chemistry and Applied Biosciences, ETH Zurich, Vladimir-Prelog-Weg 1, 8093 Zurich, Switzerland
| | - Dario Faust Akl
- Institute for Chemical and Bioengineering, Department of Chemistry and Applied Biosciences, ETH Zurich, Vladimir-Prelog-Weg 1, 8093 Zurich, Switzerland
| | - Sharon Mitchell
- Institute for Chemical and Bioengineering, Department of Chemistry and Applied Biosciences, ETH Zurich, Vladimir-Prelog-Weg 1, 8093 Zurich, Switzerland
| | - 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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31
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Li X, Liu L, Ren X, Gao J, Huang Y, Liu B. Microenvironment modulation of single-atom catalysts and their roles in electrochemical energy conversion. SCIENCE ADVANCES 2020; 6:eabb6833. [PMID: 32967833 PMCID: PMC7531890 DOI: 10.1126/sciadv.abb6833] [Citation(s) in RCA: 122] [Impact Index Per Article: 30.5] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/11/2020] [Accepted: 08/07/2020] [Indexed: 05/20/2023]
Abstract
Single-atom catalysts (SACs) have become the most attractive frontier research field in heterogeneous catalysis. Since the atomically dispersed metal atoms are commonly stabilized by ionic/covalent interactions with neighboring atoms, the geometric and electronic structures of SACs depend greatly on their microenvironment, which, in turn, determine the performances in catalytic processes. In this review, we will focus on the recently developed strategies of SAC synthesis, with attention on the microenvironment modulation of single-atom active sites of SACs. Furthermore, experimental and computational advances in understanding such microenvironment in association to the catalytic activity and mechanisms are summarized and exemplified in the electrochemical applications, including the water electrolysis and O2/CO2/N2 reduction reactions. Last, by highlighting the prospects and challenges for microenvironment engineering of SACs, we wish to shed some light on the further development of SACs for electrochemical energy conversion.
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Affiliation(s)
- Xuning Li
- School of Chemical and Biomedical Engineering, Nanyang Technological University, 62 Nanyang Drive, Singapore 637459, Singapore
| | - Linghui Liu
- State Key Laboratory of Catalysis, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian 116023, China
| | - Xinyi Ren
- State Key Laboratory of Catalysis, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian 116023, China
| | - Jiajian Gao
- School of Chemical and Biomedical Engineering, Nanyang Technological University, 62 Nanyang Drive, Singapore 637459, Singapore
| | - Yanqiang Huang
- State Key Laboratory of Catalysis, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian 116023, China.
| | - Bin Liu
- School of Chemical and Biomedical Engineering, Nanyang Technological University, 62 Nanyang Drive, Singapore 637459, Singapore.
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32
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Qin R, Liu K, Wu Q, Zheng N. Surface Coordination Chemistry of Atomically Dispersed Metal Catalysts. Chem Rev 2020; 120:11810-11899. [DOI: 10.1021/acs.chemrev.0c00094] [Citation(s) in RCA: 171] [Impact Index Per Article: 42.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Ruixuan Qin
- State Key Laboratory for Physical Chemistry of Solid Surfaces, Collaborative Innovation Center of Chemistry for Energy Materials, and National & Local Joint Engineering Research Center for Preparation Technology of Nanomaterials, College of Chemistry and Chemical Engineering, Xiamen University, Xiamen 361005, China
| | - Kunlong Liu
- State Key Laboratory for Physical Chemistry of Solid Surfaces, Collaborative Innovation Center of Chemistry for Energy Materials, and National & Local Joint Engineering Research Center for Preparation Technology of Nanomaterials, College of Chemistry and Chemical Engineering, Xiamen University, Xiamen 361005, China
| | - Qingyuan Wu
- State Key Laboratory for Physical Chemistry of Solid Surfaces, Collaborative Innovation Center of Chemistry for Energy Materials, and National & Local Joint Engineering Research Center for Preparation Technology of Nanomaterials, College of Chemistry and Chemical Engineering, Xiamen University, Xiamen 361005, China
| | - Nanfeng Zheng
- State Key Laboratory for Physical Chemistry of Solid Surfaces, Collaborative Innovation Center of Chemistry for Energy Materials, and National & Local Joint Engineering Research Center for Preparation Technology of Nanomaterials, College of Chemistry and Chemical Engineering, Xiamen University, Xiamen 361005, China
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33
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Tian X, Kim DS, Yang S, Ciccarino CJ, Gong Y, Yang Y, Yang Y, Duschatko B, Yuan Y, Ajayan PM, Idrobo JC, Narang P, Miao J. Correlating the three-dimensional atomic defects and electronic properties of two-dimensional transition metal dichalcogenides. NATURE MATERIALS 2020; 19:867-873. [PMID: 32152562 DOI: 10.1038/s41563-020-0636-5] [Citation(s) in RCA: 57] [Impact Index Per Article: 14.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/22/2019] [Accepted: 02/11/2020] [Indexed: 06/10/2023]
Abstract
The electronic, optical and chemical properties of two-dimensional transition metal dichalcogenides strongly depend on their three-dimensional atomic structure and crystal defects. Using Re-doped MoS2 as a model system, here we present scanning atomic electron tomography as a method to determine three-dimensional atomic positions as well as positions of crystal defects such as dopants, vacancies and ripples with a precision down to 4 pm. We measure the three-dimensional bond distortion and local strain tensor induced by single dopants. By directly providing these experimental three-dimensional atomic coordinates to density functional theory, we obtain more accurate electronic band structures than derived from conventional density functional theory calculations that relies on relaxed three-dimensional atomic coordinates. We anticipate that scanning atomic electron tomography not only will be generally applicable to determine the three-dimensional atomic coordinates of two-dimensional materials, but also will enable ab initio calculations to better predict the physical, chemical and electronic properties of these materials.
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Affiliation(s)
- Xuezeng Tian
- Department of Physics & Astronomy and California NanoSystems Institute, University of California, Los Angeles, CA, USA
| | - Dennis S Kim
- Department of Physics & Astronomy and California NanoSystems Institute, University of California, Los Angeles, CA, USA
| | - Shize Yang
- Center for Nanophase Materials Sciences, Oak Ridge National Laboratory, Oak Ridge, TN, USA
- Eyring Materials Center, Arizona State University, Tempe, AZ, USA
| | - Christopher J Ciccarino
- John A. Paulson School of Engineering and Applied Sciences, Harvard University, Cambridge, MA, USA
- Department of Chemistry and Chemical Biology, Harvard University, Cambridge, MA, USA
| | - Yongji Gong
- Department of Materials Science and NanoEngineering, Rice University, Houston, TX, USA
| | - Yongsoo Yang
- Department of Physics & Astronomy and California NanoSystems Institute, University of California, Los Angeles, CA, USA
- Department of Physics, Korea Advanced Institute of Science and Technology, Daejeon, Korea
| | - Yao Yang
- Department of Physics & Astronomy and California NanoSystems Institute, University of California, Los Angeles, CA, USA
| | - Blake Duschatko
- John A. Paulson School of Engineering and Applied Sciences, Harvard University, Cambridge, MA, USA
| | - Yakun Yuan
- Department of Physics & Astronomy and California NanoSystems Institute, University of California, Los Angeles, CA, USA
| | - Pulickel M Ajayan
- Department of Materials Science and NanoEngineering, Rice University, Houston, TX, USA
| | - Juan Carlos Idrobo
- Center for Nanophase Materials Sciences, Oak Ridge National Laboratory, Oak Ridge, TN, USA
| | - Prineha Narang
- John A. Paulson School of Engineering and Applied Sciences, Harvard University, Cambridge, MA, USA
| | - Jianwei Miao
- Department of Physics & Astronomy and California NanoSystems Institute, University of California, Los Angeles, CA, USA.
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34
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Gusmão R, Veselý M, Sofer Z. Recent Developments on the Single Atom Supported at 2D Materials Beyond Graphene as Catalysts. ACS Catal 2020. [DOI: 10.1021/acscatal.0c02388] [Citation(s) in RCA: 63] [Impact Index Per Article: 15.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/28/2023]
Affiliation(s)
- Rui Gusmão
- Department of Inorganic Chemistry, University of Chemistry and Technology Prague, Technická 5, 166 28 Prague 6, Czech Republic
| | - Martin Veselý
- Department of Organic Technology, University of Chemistry and Technology Prague, Technická 5, 166 28 Prague 6, Czech Republic
| | - Zdeněk Sofer
- Department of Inorganic Chemistry, University of Chemistry and Technology Prague, Technická 5, 166 28 Prague 6, Czech Republic
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35
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First Principles Calculation for Photocatalytic Activity of GaAs Monolayer. Sci Rep 2020; 10:9597. [PMID: 32533039 PMCID: PMC7293266 DOI: 10.1038/s41598-020-66575-9] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/07/2019] [Accepted: 05/20/2020] [Indexed: 11/25/2022] Open
Abstract
Solar energy hydrogen production is one of the best solutions for energy crisis. Therefore, finding effective photocatalytic materials that are able to split water under the sunlight is a hot topic in the present research fields. In addition, theoretical prediction is a present low-cost important method to search a new kind of materials. Herein, with the aim of seeking efficient photocatalytic material we investigated the photocatalytic activity of GaAs monolayer by the first principles calculation. According to the obtained electronic and optical properties, we primarily predicted the photocatalytic water splitting activity of GaAs monolayer, which the result further confirmed by the calculated reaction free energy. More remarkably, predicted carrier mobility of GaAs monolayer 2838 cm2V−1s−1 is higher than 200 cm2V−1s−1 of MoS2. Our finding provides a promising material for the development of renewable energy conversion and a new outlook for better designing of a superior photocatalyst for water splitting.
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36
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Ouyang T, Fan W, Guo J, Zheng Y, Yin X, Shen Y. DFT study on Ag loaded 2H-MoS 2 for understanding the mechanism of improved photocatalytic reduction of CO 2. Phys Chem Chem Phys 2020; 22:10305-10313. [PMID: 32356552 DOI: 10.1039/d0cp01485k] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
Abstract
Transition metal modified molybdenum disulfide to improve the performance of photocatalytic reduction of carbon dioxide has been receiving much attention. Herein, a novel high-efficiency photocatalytic composite Ag/2H-MoS2 has been constructed and simulated using density functional theory (DFT) for unveiling the mechanism of improved photocatalytic reduction of CO2 in our experimental research. Our calculations about the band structure and electronic and optical properties indicate that the loading of Ag atoms enhances the photocatalytic performance of 2H-MoS2 nanosheets by transferring the photogenerated electrons from the valence band of 2H-MoS2 to the loaded Ag atoms. Furthermore, 20 wt% Ag loaded 2H-MoS2 is the most suitable for the thermodynamic requirement of reducing CO2 to CH4 among the catalysts with different Ag loadings, and the formation of *CHO in 20 wt% Ag/2H-MoS2 is the potential-determining step, whose Gibbs free energy reduces from 2.830 eV of 2H-MoS2 to 0.925 eV. Meanwhile the thermochemical results predict the best path for reducing CO2 on such a photocatalyst as CO2 → *COOH → *CO → *CHO → *CH2O → *OCH3 → *CH3OH → CH4. The photocatalytic performance of pristine 2H-MoS2 in CO2 reduction is therefore significantly improved by loading silver. This research provides a theoretical reference for transition metal modified 2H-MoS2 nanosheets.
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Affiliation(s)
- Tianwei Ouyang
- Tianjin Key Laboratory of Organic Solar Cells and Photochemical Conversion, School of Chemistry and Chemical Engineering, Tianjin University of Technology, Tianjin 300384, China.
| | - Wenyuan Fan
- Tianjin Key Laboratory of Organic Solar Cells and Photochemical Conversion, School of Chemistry and Chemical Engineering, Tianjin University of Technology, Tianjin 300384, China.
| | - Jiaqing Guo
- Tianjin Key Laboratory of Organic Solar Cells and Photochemical Conversion, School of Chemistry and Chemical Engineering, Tianjin University of Technology, Tianjin 300384, China.
| | - Yinan Zheng
- Tianjin Key Laboratory of Organic Solar Cells and Photochemical Conversion, School of Chemistry and Chemical Engineering, Tianjin University of Technology, Tianjin 300384, China.
| | - Xiaohong Yin
- Tianjin Key Laboratory of Organic Solar Cells and Photochemical Conversion, School of Chemistry and Chemical Engineering, Tianjin University of Technology, Tianjin 300384, China.
| | - Yongli Shen
- Tianjin Key Laboratory of Advanced Functional Porous Materials, Institute for New Energy Materials & Low-Carbon Technologies, School of Materials Science and Engineering, Tianjin University of Technology, Tianjin 300384, China.
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37
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Zhang L, Cong M, Ding X, Jin Y, Xu F, Wang Y, Chen L, Zhang L. A Janus Fe‐SnO
2
Catalyst that Enables Bifunctional Electrochemical Nitrogen Fixation. Angew Chem Int Ed Engl 2020. [DOI: 10.1002/ange.202003518] [Citation(s) in RCA: 36] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022]
Affiliation(s)
- Linlin Zhang
- College of Chemistry and Chemical EngineeringInstitution Qingdao University Qingdao 266071 Shandong P. R. China
| | - Meiyu Cong
- College of Chemistry and Chemical EngineeringInstitution Qingdao University Qingdao 266071 Shandong P. R. China
| | - Xin Ding
- College of Chemistry and Chemical EngineeringInstitution Qingdao University Qingdao 266071 Shandong P. R. China
- State Key Laboratory of Fine ChemicalsDalian University of Technology (DUT) Dalian 116024 Liaoning P. R. China
| | - Yu Jin
- State Key Laboratory of Fine ChemicalsDalian University of Technology (DUT) Dalian 116024 Liaoning P. R. China
| | - Fanfan Xu
- College of Chemistry and Chemical EngineeringInstitution Qingdao University Qingdao 266071 Shandong P. R. China
| | - Yong Wang
- Technische Universität München Department Chemie Lichtenbergstr. 4 85748 Garching Germany
| | - Lin Chen
- State Key Laboratory of Environment-friendly Energy MaterialsSouthwest University of Science and Techaology Mianyang 621010 Sichuan P. R. China
| | - Lixue Zhang
- College of Chemistry and Chemical EngineeringInstitution Qingdao University Qingdao 266071 Shandong P. R. China
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38
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Zhang L, Cong M, Ding X, Jin Y, Xu F, Wang Y, Chen L, Zhang L. A Janus Fe‐SnO
2
Catalyst that Enables Bifunctional Electrochemical Nitrogen Fixation. Angew Chem Int Ed Engl 2020; 59:10888-10893. [DOI: 10.1002/anie.202003518] [Citation(s) in RCA: 118] [Impact Index Per Article: 29.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/08/2020] [Revised: 03/31/2020] [Indexed: 11/05/2022]
Affiliation(s)
- Linlin Zhang
- College of Chemistry and Chemical EngineeringInstitution Qingdao University Qingdao 266071 Shandong P. R. China
| | - Meiyu Cong
- College of Chemistry and Chemical EngineeringInstitution Qingdao University Qingdao 266071 Shandong P. R. China
| | - Xin Ding
- College of Chemistry and Chemical EngineeringInstitution Qingdao University Qingdao 266071 Shandong P. R. China
- State Key Laboratory of Fine ChemicalsDalian University of Technology (DUT) Dalian 116024 Liaoning P. R. China
| | - Yu Jin
- State Key Laboratory of Fine ChemicalsDalian University of Technology (DUT) Dalian 116024 Liaoning P. R. China
| | - Fanfan Xu
- College of Chemistry and Chemical EngineeringInstitution Qingdao University Qingdao 266071 Shandong P. R. China
| | - Yong Wang
- Technische Universität München Department Chemie Lichtenbergstr. 4 85748 Garching Germany
| | - Lin Chen
- State Key Laboratory of Environment-friendly Energy MaterialsSouthwest University of Science and Techaology Mianyang 621010 Sichuan P. R. China
| | - Lixue Zhang
- College of Chemistry and Chemical EngineeringInstitution Qingdao University Qingdao 266071 Shandong P. R. China
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39
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Huang HC, Wang J, Li J, Zhao Y, Dong XX, Chen J, Lu G, Bu YX, Cheng SB. Surface Modification Strategy for Promoting the Performance of Non-noble Metal Single-Atom Catalysts in Low-Temperature CO Oxidation. ACS APPLIED MATERIALS & INTERFACES 2020; 12:19457-19466. [PMID: 32243134 DOI: 10.1021/acsami.0c00811] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/11/2023]
Abstract
As a bridge between homogeneous and heterogeneous catalyses, single-atom catalysts (SACs), especially the noble metal atoms, have received extensive attention from both the fundamental and applied perspectives recently. High cost and difficulty in synthesis are considerable factors, however, limiting the development and practical applications of SACs. Thus, seeking for non-noble SACs for substituting the noble ones is not only of vital importance but also a long-standing challenge. Herein, a surface modification strategy by introducing an oppositely charged dopant and inducing the charge transfer between the SAC and the substrate was proposed to improve the stability and catalytic performance of the non-noble Cu SAC. Using first-principles density functional theory (DFT) calculations, it was demonstrated that the introduction of C in the MoS2 monolayer (C:MoS2, experimentally available) can assist in stabilizing Cu and make it more positively charged, which will facilitate the adsorption of the reactants and further enhance the activity for CO oxidation. Strikingly, our results show that CO oxidation over Cu-C:MoS2 is more favorable than over the Pt atom deposited on the pristine MoS2 (Pt-MoS2), exhibiting its potential in noble metal substitution and low-temperature CO oxidation. Additionally, Cu-C:MoS2 was observed to have a response to visible light, which manifests that it may be a promising photocatalyst. The strategy proposed here provides an efficient route to regulate the electronic structures of SACs through charge transfer, which further promotes the reactivity of the non-noble metal SACs. We hope that this strategy can contribute to design more SACs with low cost and high efficiency, which will be beneficial for their practical applications.
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Affiliation(s)
- Hai-Cai Huang
- School of Chemistry and Chemical Engineering, Shandong University, Jinan 250100, People's Republic of China
| | - Jing Wang
- School of Chemistry and Chemical Engineering, Shandong University, Jinan 250100, People's Republic of China
| | - Jun Li
- School of Chemistry and Chemical Engineering, Shandong University, Jinan 250100, People's Republic of China
| | - Yang Zhao
- School of Chemistry and Chemical Engineering, Shandong University, Jinan 250100, People's Republic of China
| | - Xiao-Xiao Dong
- School of Chemistry and Chemical Engineering, Shandong University, Jinan 250100, People's Republic of China
| | - Jing Chen
- School of Chemistry and Chemical Engineering, Shandong University, Jinan 250100, People's Republic of China
- Suzhou Institute of Shandong University, Suzhou, Jiangsu 215123, People's Republic of China
| | - Gang Lu
- School of Chemistry and Chemical Engineering, Shandong University, Jinan 250100, People's Republic of China
| | - Yu-Xiang Bu
- School of Chemistry and Chemical Engineering, Shandong University, Jinan 250100, People's Republic of China
- School of Chemistry and Chemical Engineering, Qufu Normal University, Qufu 273165, People's Republic of China
| | - Shi-Bo Cheng
- School of Chemistry and Chemical Engineering, Shandong University, Jinan 250100, People's Republic of China
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40
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Li J, Chen S, Quan F, Zhan G, Jia F, Ai Z, Zhang L. Accelerated Dinitrogen Electroreduction to Ammonia via Interfacial Polarization Triggered by Single-Atom Protrusions. Chem 2020. [DOI: 10.1016/j.chempr.2020.01.013] [Citation(s) in RCA: 138] [Impact Index Per Article: 34.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/19/2023]
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41
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Liu Q, Wang E, Sun G. Layered transition-metal hydroxides for alkaline hydrogen evolution reaction. CHINESE JOURNAL OF CATALYSIS 2020. [DOI: 10.1016/s1872-2067(19)63458-3] [Citation(s) in RCA: 36] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/05/2023]
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42
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Yang P, Zuo S, Zhang F, Yu B, Guo S, Yu X, Zhao Y, Zhang J, Liu Z. Carbon Nitride-Based Single-Atom Cu Catalysts for Highly Efficient Carboxylation of Alkynes with Atmospheric CO2. Ind Eng Chem Res 2020. [DOI: 10.1021/acs.iecr.0c00547] [Citation(s) in RCA: 27] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Affiliation(s)
- Peng Yang
- Beijing National Laboratory for Molecular Sciences, Key Laboratory of Colloid, Interface and Thermodynamics, CAS Research/Education Center for Excellence in Molecular Sciences, Institute of Chemistry, Chinese Academy of Sciences, Beijing 100190, China
- University of Chinese Academy of Sciences, Beijing 100049, China
- Physical Science Laboratory, Huairou National Comprehensive Science Center, Beijing 100181, China
| | - Shouwei Zuo
- Beijing Synchrotron Radiation Facility, Institute of High Energy Physics, Chinese Academy of Sciences, Beijing 100049, China
- University of Chinese Academy of Sciences, Beijing 100049, China
- Physical Science Laboratory, Huairou National Comprehensive Science Center, Beijing 100181, China
| | - Fengtao Zhang
- Beijing National Laboratory for Molecular Sciences, Key Laboratory of Colloid, Interface and Thermodynamics, CAS Research/Education Center for Excellence in Molecular Sciences, Institute of Chemistry, Chinese Academy of Sciences, Beijing 100190, China
- University of Chinese Academy of Sciences, Beijing 100049, China
- Physical Science Laboratory, Huairou National Comprehensive Science Center, Beijing 100181, China
| | - Bo Yu
- Beijing National Laboratory for Molecular Sciences, Key Laboratory of Colloid, Interface and Thermodynamics, CAS Research/Education Center for Excellence in Molecular Sciences, Institute of Chemistry, Chinese Academy of Sciences, Beijing 100190, China
| | - Shien Guo
- Beijing National Laboratory for Molecular Sciences, Key Laboratory of Colloid, Interface and Thermodynamics, CAS Research/Education Center for Excellence in Molecular Sciences, Institute of Chemistry, Chinese Academy of Sciences, Beijing 100190, China
- University of Chinese Academy of Sciences, Beijing 100049, China
- Physical Science Laboratory, Huairou National Comprehensive Science Center, Beijing 100181, China
| | - Xiaoxiao Yu
- Beijing National Laboratory for Molecular Sciences, Key Laboratory of Colloid, Interface and Thermodynamics, CAS Research/Education Center for Excellence in Molecular Sciences, Institute of Chemistry, Chinese Academy of Sciences, Beijing 100190, China
- University of Chinese Academy of Sciences, Beijing 100049, China
- Physical Science Laboratory, Huairou National Comprehensive Science Center, Beijing 100181, China
| | - Yanfei Zhao
- Beijing National Laboratory for Molecular Sciences, Key Laboratory of Colloid, Interface and Thermodynamics, CAS Research/Education Center for Excellence in Molecular Sciences, Institute of Chemistry, Chinese Academy of Sciences, Beijing 100190, China
| | - Jing Zhang
- Beijing Synchrotron Radiation Facility, Institute of High Energy Physics, Chinese Academy of Sciences, Beijing 100049, China
- University of Chinese Academy of Sciences, Beijing 100049, China
- Physical Science Laboratory, Huairou National Comprehensive Science Center, Beijing 100181, China
| | - Zhimin Liu
- Beijing National Laboratory for Molecular Sciences, Key Laboratory of Colloid, Interface and Thermodynamics, CAS Research/Education Center for Excellence in Molecular Sciences, Institute of Chemistry, Chinese Academy of Sciences, Beijing 100190, China
- University of Chinese Academy of Sciences, Beijing 100049, China
- Physical Science Laboratory, Huairou National Comprehensive Science Center, Beijing 100181, China
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43
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Meza E, Diaz RE, Li CW. Solution-Phase Activation and Functionalization of Colloidal WS 2 Nanosheets with Ni Single Atoms. ACS NANO 2020; 14:2238-2247. [PMID: 31994865 DOI: 10.1021/acsnano.9b09245] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/10/2023]
Abstract
Single-atom functionalization of transition-metal dichalcogenide (TMD) nanosheets is a powerful strategy to tune the optical, magnetic, and catalytic properties of two-dimensional materials. In this work, we demonstrate a simple solution-phase method to generate nucleophilic sulfide sites on colloidal WS2 nanosheets that subsequently serve as ligands for Ni single atoms. These materials can be controllably functionalized with varying amounts of Ni on the surface ranging from 9% to 47% coverage with respect to W. High-resolution scanning transmission electron microscopy coupled to electron energy loss spectroscopy and X-ray absorption spectroscopy indicate that adsorbed Ni species bind as single atoms at low coverage and a mixture of single atoms and multimetallic clusters at high coverage. The Ni single atoms adsorbed on WS2 show altered electronic properties, and both the electronic perturbation and isolated atom geometry play a role in enhancing the intrinsic catalytic activity of Ni-WS2 samples for the electrochemical oxygen evolution reaction.
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Affiliation(s)
- Erika Meza
- Department of Chemistry , Purdue University , West Lafayette , Indiana 47907 , United States
| | - Rosa E Diaz
- Birck Nanotechnology Center , Purdue University , West Lafayette , Indiana 47907 , United States
| | - Christina W Li
- Department of Chemistry , Purdue University , West Lafayette , Indiana 47907 , United States
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44
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Zhu Y, Wang WD, Sun X, Fan M, Hu X, Dong Z. Palladium Nanoclusters Confined in MOF@COP as a Novel Nanoreactor for Catalytic Hydrogenation. ACS APPLIED MATERIALS & INTERFACES 2020; 12:7285-7294. [PMID: 31927906 DOI: 10.1021/acsami.9b21802] [Citation(s) in RCA: 44] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/10/2023]
Abstract
Metal-nanocluster-doped porous materials are attracting considerable research attention due to their specific catalytic performance. In this study, core-shell metal-organic frameworks@covalent organic polymer (MOF@COP) nanocomposites were formed by the covalent linking of chemically stable COP on the surface of size-selective UiO-66-NH2. Pd nanoclusters with an average diameter of ∼0.8 nm were successfully confined in UiO-66-NH2@COP, and the obtained nanoreactor, referred to as UiO-66-NH2@COP@Pd, exhibited abundant porosity, high stability, and large surface area. Notably, the UiO-66-NH2@COP@Pd nanoreactor exhibited superior catalytic activity and stability for the catalytic reduction of 4-nitrophenol and hydrogenation of other nitroarenes, demonstrating the potential of Pd-cluster-doped MOF@COP hybrid materials as candidates for efficient catalytic hydrogenation. This study may provide new avenues for the construction of MOF@COP-hybrid-material-based heterogeneous catalysts for efficient catalytic applications.
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Affiliation(s)
- Yangyang Zhu
- Laboratory of Special Function Materials and Structure Design of the Ministry of Education, State Key Laboratory of Applied Organic Chemistry, College of Chemistry and Chemical Engineering , Lanzhou University , Lanzhou 730000 , P. R. China
| | - Wei David Wang
- Laboratory of Special Function Materials and Structure Design of the Ministry of Education, State Key Laboratory of Applied Organic Chemistry, College of Chemistry and Chemical Engineering , Lanzhou University , Lanzhou 730000 , P. R. China
| | - Xun Sun
- Shandong Applied Research Center of Gold Nanotechnology (Au-SDARC), School of Chemistry & Chemical Engineering , Yantai University , Yantai 264005 , P. R. China
| | - Mengying Fan
- Laboratory of Special Function Materials and Structure Design of the Ministry of Education, State Key Laboratory of Applied Organic Chemistry, College of Chemistry and Chemical Engineering , Lanzhou University , Lanzhou 730000 , P. R. China
| | - Xiwei Hu
- Laboratory of Special Function Materials and Structure Design of the Ministry of Education, State Key Laboratory of Applied Organic Chemistry, College of Chemistry and Chemical Engineering , Lanzhou University , Lanzhou 730000 , P. R. China
| | - Zhengping Dong
- Laboratory of Special Function Materials and Structure Design of the Ministry of Education, State Key Laboratory of Applied Organic Chemistry, College of Chemistry and Chemical Engineering , Lanzhou University , Lanzhou 730000 , P. R. China
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45
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Sinha S, Zhu T, France-Lanord A, Sheng Y, Grossman JC, Porfyrakis K, Warner JH. Atomic structure and defect dynamics of monolayer lead iodide nanodisks with epitaxial alignment on graphene. Nat Commun 2020; 11:823. [PMID: 32041958 PMCID: PMC7010709 DOI: 10.1038/s41467-020-14481-z] [Citation(s) in RCA: 21] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/23/2019] [Accepted: 01/06/2020] [Indexed: 11/09/2022] Open
Abstract
Lead Iodide (PbI2) is a large bandgap 2D layered material that has potential for semiconductor applications. However, atomic level study of PbI2 monolayer has been limited due to challenges in obtaining thin crystals. Here, we use liquid exfoliation to produce monolayer PbI2 nanodisks (30-40 nm in diameter and > 99% monolayer purity) and deposit them onto suspended graphene supports to enable atomic structure study of PbI2. Strong epitaxial alignment of PbI2 monolayers with the underlying graphene lattice occurs, leading to a phase shift from the 1 T to 1 H structure to increase the level of commensuration in the two lattice spacings. The fundamental point vacancy and nanopore structures in PbI2 monolayers are directly imaged, showing rapid vacancy migration and self-healing. These results provide a detailed insight into the atomic structure of monolayer PbI2, and the impact of the strong van der Waals interaction with graphene, which has importance for future applications in optoelectronics.
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Affiliation(s)
- Sapna Sinha
- Department of Materials, University of Oxford, 16 Parks Road, Oxford, OX1 3PH, UK
| | - Taishan Zhu
- Department of Materials Science and Engineering, Massachusetts Institute of Technology, 77 Massachusetts Avenue, Cambridge, MA, 02139, USA
| | - Arthur France-Lanord
- Department of Materials Science and Engineering, Massachusetts Institute of Technology, 77 Massachusetts Avenue, Cambridge, MA, 02139, USA
| | - Yuewen Sheng
- Department of Materials, University of Oxford, 16 Parks Road, Oxford, OX1 3PH, UK
| | - Jeffrey C Grossman
- Department of Materials Science and Engineering, Massachusetts Institute of Technology, 77 Massachusetts Avenue, Cambridge, MA, 02139, USA
| | - Kyriakos Porfyrakis
- Faculty of Engineering and Science, University of Greenwich, Central Avenue, Chatham Maritime, Kent, ME4 4TB, UK
| | - Jamie H Warner
- Department of Mechanical Engineering, University of Texas at Austin, 204 Dean Keeton Street, Austin, 78712, USA.
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46
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Gawande MB, Fornasiero P, Zbořil R. Carbon-Based Single-Atom Catalysts for Advanced Applications. ACS Catal 2020. [DOI: 10.1021/acscatal.9b04217] [Citation(s) in RCA: 240] [Impact Index Per Article: 60.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Affiliation(s)
- Manoj B. Gawande
- Regional Centre of Advanced Technologies and Materials, Department of Physical Chemistry, Faculty of Science, Palacky University, Šlechtitelů 27, 783 71 Olomouc, Czech Republic
- Institute of Chemical Technology, Mumbai-Marathwada Campus, Jalna, Maharashtra 431203, India
| | - Paolo Fornasiero
- Department of Chemical and Pharmaceutical Sciences, INSTM Trieste Research Unit and ICCOM-CNR Trieste Research Unit, University of Trieste via L. Giorgieri 1, I-34127 Trieste, Italy
| | - Radek Zbořil
- Regional Centre of Advanced Technologies and Materials, Department of Physical Chemistry, Faculty of Science, Palacky University, Šlechtitelů 27, 783 71 Olomouc, Czech Republic
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Zhao D, Zhuang Z, Cao X, Zhang C, Peng Q, Chen C, Li Y. Atomic site electrocatalysts for water splitting, oxygen reduction and selective oxidation. Chem Soc Rev 2020; 49:2215-2264. [DOI: 10.1039/c9cs00869a] [Citation(s) in RCA: 363] [Impact Index Per Article: 90.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Abstract
This review summarized the fabrication routes and characterization methods of atomic site electrocatalysts (ASCs) followed by their applications for water splitting, oxygen reduction and selective oxidation.
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Affiliation(s)
- Di Zhao
- Department of Chemistry
- Tsinghua University
- Beijing 100084
- China
| | - Zewen Zhuang
- Department of Chemistry
- Tsinghua University
- Beijing 100084
- China
| | - Xing Cao
- Department of Chemistry
- Tsinghua University
- Beijing 100084
- China
| | - Chao Zhang
- Department of Chemistry
- Tsinghua University
- Beijing 100084
- China
| | - Qing Peng
- Department of Chemistry
- Tsinghua University
- Beijing 100084
- China
| | - Chen Chen
- Department of Chemistry
- Tsinghua University
- Beijing 100084
- China
| | - Yadong Li
- Department of Chemistry
- Tsinghua University
- Beijing 100084
- China
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48
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Chen J, Ryu GH, Zhang Q, Wen Y, Tai KL, Lu Y, Warner JH. Spatially Controlled Fabrication and Mechanisms of Atomically Thin Nanowell Patterns in Bilayer WS 2 Using in Situ High Temperature Electron Microscopy. ACS NANO 2019; 13:14486-14499. [PMID: 31794193 DOI: 10.1021/acsnano.9b08220] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/10/2023]
Abstract
We show controlled production of atomically thin nanowells in bilayer WS2 using an in situ heating holder combined with a focused electron beam in a scanning transmission electron microscope (STEM). We systematically study the formation and evolvement mechanism involved in removing a single layer of WS2 within a bilayer region with 2 nm accuracy in location and without punching through to the other layer to create a hole. Best results are found when using a high temperature of 800 °C, because it enables thermally activated atomic migration and eliminates the interference from surface carbon contamination. We demonstrate precise control over spatial distributions with 5 nm accuracy of patterning and the width of nanowells adjustable by dose-dependent parameters. The mechanism of removing a monolayer of WS2 within a bilayer region is different than removing equivalent sections in a monolayer film due to the van der Waals interaction of the underlying remaining layer in the bilayer system that stabilizes the excess W atom stoichiometry within the edges of the nanowell structure and facilitates expansion. This study offers insights for the nanoengineering of nanowells in two-dimensional (2D) transitional metal dichalcogenides (TMDs), which could hold potential as selective traps to localize 2D reactions in molecules and ions, underpinning the broader utilization of 2D material membranes.
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Affiliation(s)
- Jun Chen
- Department of Materials , University of Oxford , Parks Road , Oxford OX1 3PH , United Kingdom
| | - Gyeong Hee Ryu
- Department of Materials , University of Oxford , Parks Road , Oxford OX1 3PH , United Kingdom
| | - Qianyang Zhang
- Department of Materials , University of Oxford , Parks Road , Oxford OX1 3PH , United Kingdom
| | - Yi Wen
- Department of Materials , University of Oxford , Parks Road , Oxford OX1 3PH , United Kingdom
| | - Kuo-Lun Tai
- Department of Materials , University of Oxford , Parks Road , Oxford OX1 3PH , United Kingdom
| | - Yang Lu
- Department of Materials , University of Oxford , Parks Road , Oxford OX1 3PH , United Kingdom
| | - Jamie H Warner
- Department of Materials , University of Oxford , Parks Road , Oxford OX1 3PH , United Kingdom
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Li X, Yang X, Huang Y, Zhang T, Liu B. Supported Noble-Metal Single Atoms for Heterogeneous Catalysis. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2019; 31:e1902031. [PMID: 31282036 DOI: 10.1002/adma.201902031] [Citation(s) in RCA: 118] [Impact Index Per Article: 23.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/31/2019] [Revised: 05/16/2019] [Indexed: 05/24/2023]
Abstract
Single-atom catalysts (SACs), with atomically distributed active metal sites on supports, serve as a newly advanced material in catalysis, and open broad prospects for a wide variety of catalytic processes owing to their unique catalytic behaviors. To construct SACs with precise structures and high density of accessible single-atom sites, while preventing aggregation to large nanoparticles, various strategies for their chemical synthesis have been recently developed by improving the distribution and chemical bonding of active sites on supports, which results in excellent activity and selectivity in a variety of catalytic reactions. Noble-metal-based SACs are discussed, and their structural properties, chemical synthesis, and catalytic applications are highlighted. The structure-activity relationships and the underlying catalytic mechanisms are addressed, including the influences of surface species and reducibility of supports on the activity and stability, impact of the unique structural and electronic properties of single-atom centers modulated by metal/support interactions on catalytic activity and selectivity, and how the modified catalytic mechanism obtained by inhibiting the multiatoms involves catalytic pathways. Finally, the prospects and challenges for development in this field are highlighted.
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Affiliation(s)
- Xuning Li
- Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian, 116023, China
- School of Chemical and Biomedical Engineering, Nanyang Technological University, Singapore, 637459, Singapore
| | - Xiaofeng Yang
- Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian, 116023, China
| | - Yanqiang Huang
- Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian, 116023, China
| | - Tao Zhang
- Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian, 116023, China
- University of Chinese Academy of Sciences, Beijing, 100049, China
| | - Bin Liu
- School of Chemical and Biomedical Engineering, Nanyang Technological University, Singapore, 637459, Singapore
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Yilmaz G, Peh SB, Zhao D, Ho GW. Atomic- and Molecular-Level Design of Functional Metal-Organic Frameworks (MOFs) and Derivatives for Energy and Environmental Applications. ADVANCED SCIENCE (WEINHEIM, BADEN-WURTTEMBERG, GERMANY) 2019; 6:1901129. [PMID: 31728281 PMCID: PMC6839644 DOI: 10.1002/advs.201901129] [Citation(s) in RCA: 61] [Impact Index Per Article: 12.2] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/13/2019] [Revised: 06/21/2019] [Indexed: 05/12/2023]
Abstract
Continuing population growth and accelerated fossil-fuel consumption with recent technological advancements have engendered energy and environmental concerns, urging researchers to develop advanced functional materials to overcome the associated problems. Metal-organic frameworks (MOFs) have emerged as frontier materials due to their unique porous organic-inorganic hybrid periodic assembly and exceptional diversity in structural properties and chemical functionalities. In particular, the modular nature and modularity-dependent activity of MOFs and MOF derivatives have accentuated the delicate atomic- and molecular design and synthesis of MOFs, and their meticulous conversion into carbons and transition-metal-based materials. Synthetic control over framework architecture, content, and reactivity has led to unprecedented merits relevant to various energy and environmental applications. Herein, an overview of the atomic- and molecular-design strategies of MOFs to realize application-targeted properties is provided. Recent progress on the development of MOFs and MOF derivatives based on these strategies, along with their performance, is summarized with a special emphasis on design-structure and functionality-activity relationships. Next, the respective energy- and environmental-related applications of catalysis and energy storage, as well as gas storage-separation and water harvesting with close association to the energy-water-environment nexus are highlighted. Last, perspectives on current challenges and recommendations for further development of MOF-based materials are also discussed.
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Affiliation(s)
- Gamze Yilmaz
- Department of Electrical and Computer EngineeringNational University of Singapore4 Engineering Drive 3Singapore117583Singapore
| | - Shing Bo Peh
- Department of Chemical and Biomolecular Engineering4 Engineering Drive 4Singapore117585Singapore
| | - Dan Zhao
- Department of Chemical and Biomolecular Engineering4 Engineering Drive 4Singapore117585Singapore
| | - Ghim Wei Ho
- Department of Electrical and Computer EngineeringNational University of Singapore4 Engineering Drive 3Singapore117583Singapore
- Institute of Materials Research and EngineeringA*STAR (Agency for Science, Technology and Research)3 Research LinkSingapore117602Singapore
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