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Issue 12, 2018
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TMD-based highly efficient electrocatalysts developed by combined computational and experimental approaches

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Abstract

As a large family of two-dimensional (2D) materials, transition metal dichalcogenides (TMDs) have been attracting an increasing level of attention and therefore considerable research input, owing to their intriguing catalytic, chemical and physical properties. The high exposed surface area, potentially large number of active sites, and chemical stability provide TMDs with vast opportunities for use as a unique class of electrocatalysts, while their low electrical conductivity and other deficiencies have drawn considerable research efforts for further modification. The optimization of TMDs can be achieved by several approaches, including site doping/modification, phase modulation, control of growth morphology and construction of heterostructures, by both appropriate computational simulations and purposely designed experimental studies. In tuning the TMD-based electrocatalysts, computational calculations have played uniquely important roles in predicting the structure and understanding the operational mechanism of catalytic performance. Indeed, the importance of refined calculations has been growing rapidly to provide comprehensive and unique guidance towards further modification of the existing TMD-based electrocatalysts and the discovery of new ones. In this critical review, we will look into the rapid advancement of the highly efficient TMD-based electrocatalysts that have been developed in recent years, achieved by combined computational and experimental approaches. Aiming to provide a generalized overall picture, we have conducted further computational studies as a systematic approach to unveil the modulation in the structure and the improvement in electrocatalytic properties brought in by appropriate element doping/modification in either basal plane A-(metal atoms) and B-(chalcogen atoms) sites or edge sites of the 2D TMD materials, as well as in some of those non-layered metal disulfides/diselenides. This review is concluded by summarizing the likely future development and perspectives of TMD-based electrocatalysts.

Graphical abstract: TMD-based highly efficient electrocatalysts developed by combined computational and experimental approaches

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Publication details

The article was received on 06 Oct 2017 and first published on 04 May 2018


Article type: Review Article
DOI: 10.1039/C7CS00705A
Citation: Chem. Soc. Rev., 2018,47, 4332-4356
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    TMD-based highly efficient electrocatalysts developed by combined computational and experimental approaches

    C. (. Zhu, D. Gao, J. Ding, D. Chao and J. Wang, Chem. Soc. Rev., 2018, 47, 4332
    DOI: 10.1039/C7CS00705A

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