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Tphysicsletters/vol-10/no-x/Underlying Structure-Activity Correlations of 2D Layered Transition Metal Dichalcogenides-Based Electrocatalysts for Boosted Hydrogen Generation
10.1490/100236.980ptl
Thursday, September 30, 2021 at 1:30:00 PM UTC
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Underlying Structure-Activity Correlations of 2D Layered Transition Metal Dichalcogenides-Based Electrocatalysts for Boosted Hydrogen Generation
Zhexu Xi
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Abstract
Hydrogen fuel is an ideal energy source to replace the traditional fossil fuels because of its high energy density and renewability. Electrochemical water splitting is alsoregarded as a sustainable, cleaning and eco-friendly method for hydrogen evolution reaction(HER), but a cheaper, earth-abundant and similarly efficient alternative to Pt as an HERcatalyst cannot still be discovered. Recently, 2D Transition Metal Dichalcogenides (TMDs) aredemonstrated to greatly enhance the HER activity. Herein, our work provides an insight intothe recent advances in 2D TMDs-based HER following the composition-characterisation-construction guideline. After the background introduction, several research outputs based on 2D TMDs as well as the comprehensive analysis on the modulation strategies of 2D TMDs, for the purposes of increasing the active sites, improvingthe intrinsic activity and altering the electronic states. Finally, the future opportunities andchallenges of 2D TMDs electrocatalysts are briefly featured.