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

Area of Science:

• Materials Science
• Electrochemistry
• Computational Chemistry

Background:

• Two-dimensional (2D) transition metal dichalcogenides (TMDs) exhibit unique catalytic properties due to high surface area and active sites.
• Deficiencies like low electrical conductivity necessitate modification for optimal electrocatalyst performance.
• TMDs offer vast opportunities as electrocatalysts, driving research in their optimization.

Purpose of the Study:

• To review advancements in highly efficient TMD-based electrocatalysts developed using combined computational and experimental approaches.
• To systematically investigate the structural modulation and electrocatalytic property improvements via element doping/modification in TMDs.
• To provide a comprehensive overview and future perspectives on TMD-based electrocatalysts.

Main Methods:

• Literature review of recent advancements in TMD electrocatalysts.
• Computational simulations to predict structure and understand catalytic mechanisms.
• Experimental studies focusing on doping, phase modulation, and heterostructure construction.

Main Results:

• Element doping/modification at basal plane or edge sites significantly modulates TMD structure and enhances electrocatalytic properties.
• Combined computational and experimental approaches have led to the development of highly efficient TMD-based electrocatalysts.
• Insights into the operational mechanisms of catalytic performance have been gained through refined calculations.

Conclusions:

• TMDs show great potential as electrocatalysts, with significant improvements achieved through targeted modifications.
• Computational guidance is crucial for discovering new TMD electrocatalysts and refining existing ones.
• Future research should focus on further optimization and exploration of novel TMD-based electrocatalyst designs.