Platinum chalcogenides (S, Se, Te) for efficient electrochemical hydrogen evolution: structure-activity
Qianqian Tang1,2, Qinbo Yu1, Jian Zhang3
1College of Chemistry and Chemical Engineering, Henan Key Laboratory of Function-Oriented Porous Materials, Luoyang Normal University, Luoyang 471934, P. R. China. lijin1986@lynu.edu.cn.
Summary
Platinum chalcogenides (PtX) show promise for hydrogen evolution reaction (HER) catalysis. Optimization strategies achieve high activity with low platinum loadings, but challenges in neutral electrolytes and durability remain.
Area of Science:
- Materials Science
- Electrochemistry
- Catalysis
Background:
- Platinum chalcogenides (PtX) combine platinum's activity with layered material tunability.
- They are promising electrocatalysts for the hydrogen evolution reaction (HER).
Purpose of the Study:
- To review structure-activity relationships in PtX for HER.
- To identify optimization strategies and remaining challenges.
Main Methods:
- Review of crystal phase, layer thickness, and chalcogen effects on electronic properties.
- Analysis of optimization strategies like nanostructuring and heterostructures.
- Assessment of performance in relation to commercial catalysts.
Main Results:
- Structure-activity relationships are established, linking PtX properties to HER performance.
- Optimization strategies enable ultralow platinum loadings with high HER activity.
- Challenges include performance in neutral electrolytes and long-term durability.
Conclusions:
- PtX catalysts offer a promising route for cost-effective hydrogen production.
- Further research is needed in multicomponent heterostructures and operando studies.
- AI-accelerated discovery can advance PtX catalyst development.


