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首页> 美国卫生研究院文献>Frontiers in Chemistry >Progress in Electrocatalytic Hydrogen Evolution Based on Monolayer Molybdenum Disulfide
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Progress in Electrocatalytic Hydrogen Evolution Based on Monolayer Molybdenum Disulfide

机译：单层二硫化钼电催化制氢的研究进展

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摘要

Energy and environmental issues raise higher demands on the development of a sustainable energy system, and the electrocatalytic hydrogen evolution is one of the most important ways to realize this goal. Two-dimensional (2D) materials represented by molybdenum disulfide (MoS2) have been widely investigated as an efficient electrocatalyst for the hydrogen evolution. However, there are still some shortcomings to restrict the efficiency of MoS2 electrocatalyst, such as the limited numbers of active sites, lower intrinsic catalytic activity and poor interlayer conductivity. In this review, the application of monolayer MoS2 and its composites with 0D, 1D, and 2D nanomaterials in the electrocatalytic hydrogen evolution were discussed. On the basis of optimizing the composition and structure, the numbers of active sites, intrinsic catalytic activity, and interlayer conductivity could be significantly enhanced. In the future, the study would focus on the structure, active site, and interface characteristics, as well as the structure-activity relationship and synergetic effect. Then, the enhanced electrocatalytic activity of monolayer MoS2 can be achieved at the macro, nano and atomic levels, respectively. This review provides a new idea for the structural design of two-dimensional electrocatalytic materials. Meanwhile, it is of great significance to promote the study of the structure-activity relationship and mechanism in catalytic reactions.
机译：能源和环境问题对可持续能源系统的发展提出了更高的要求，而电催化制氢是实现该目标的最重要方法之一。以二硫化钼（MoS2）为代表的二维（2D）材料已被广泛研究为氢析出的有效电催化剂。但是，仍然存在一些限制MoS2电催化剂效率的缺点，例如活性位点数量有限，固有的催化活性较低以及层间电导率较差。在这篇综述中，讨论了单层MoS2及其复合材料与0D，1D和2D纳米材料在电催化制氢中的应用。在优化组成和结构的基础上，可以显着提高活性位点的数量，固有催化活性和层间电导率。将来，研究将集中在结构，活性位点和界面特性，以及结构-活性关系和协同效应上。然后，可以分别在宏观，纳米和原子水平上实现单层MoS2增强的电催化活性。这篇综述为二维电催化材料的结构设计提供了新思路。同时，对于催化反应中构效关系及其机理的研究具有重要意义。

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