首页|Electronic structure engineering of transition metal dichalcogenides for boosting hydrogen energy conversion electrocatalysts

Electronic structure engineering of transition metal dichalcogenides for boosting hydrogen energy conversion electrocatalysts

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Electrocatalytic water splitting for hydrogen production is an appealing strategy to reduce carbon emissions and gen-erate renewable fuels.This promising process,however,is limited by its sluggish reaction kinetics and high-cost catalysts.The two-dimensional(2D)transition metal dichalcogenides(TMDCs)have presented great potential as electrocatalytic materials due to their tunable bandgaps,abundant defective active sites,and good chemical stability.Consequently,phase engineering,defect engineering and interface engineering have been adopted to manipulate the electronic structure of TMDCs for boosting their exceptional catalytic performance.Particularly,it is essential to clarify the local structure of catalytically active sites of TMDCs and their structural evolution in catalytic reactions using atomic resolution electron microscopy and the booming in situ technologies,which is beneficial for exploring the underlying reaction mechanism.In this review,the growth regulation,characterization,particularly atomic configurations of active sites in TMDCs are summa-rized.The significant role of electron microscopy in the understanding of the growth mechanism,the controlled synthesis and functional optimization of 2D TMDCs are discussed.This review will shed light on the design and synthesis of novel electrocatalysts with high performance,as well as prompt the application of advanced electron microscopy in the research of materials science.

TMDCsSTEMhydrogen energy conversionactive site identification

郝兵、郭晶晶、刘培植、郭俊杰

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Key Laboratory of Interface Science and Engineering in Advanced Materials(Ministry of Education),Taiyuan University of Technology,Taiyuan 030024,China

National Natural Science Foundation of ChinaNational Natural Science Foundation of ChinaScience and Technology Innovation Talent Team Project of Shanxi ProvinceKey National Scientific and Technological Cooperation Projects of Shanxi ProvinceNatural Science Foundation of Shanxi ProvinceProgram for the Innovative Talents of Higher Education Institutions of Shanxi(PTIT)Scientific and Technological Innovation Programs of Higher Education Institutions in Shanxi(STIP)

U21A20174520012222023040510010102021040411010082023030212210452022L036

2024

10.1088/1674-1056/ad625b

中国物理B(英文版)
中国物理学会和中国科学院物理研究所

中国物理B(英文版)

CSTPCDEI
影响因子：0.995
ISSN：1674-1056
年,卷(期)：2024.33(9)