High-performance low-cost catalysts are in high demand for the hydrogen evolution reaction (HER). In the present study, we reported that VS materials with flower-like, flake-like, and porous morphologies were successfully synthesized by hydrothermal synthesis and subsequent calcination. The effects of morphology on hydrogen evolution performance were studied. Results show that flower-like VS exhibits the best electrocatalytic activity for HER, achieving both high activity and preferable stability in 0.5 M HSO solution. The main reason can be ascribed to the abundance of catalytically active sites and low charge transfer resistance.

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http://www.ncbi.nlm.nih.gov/pmc/articles/PMC9695646PMC
http://dx.doi.org/10.3390/molecules27228019DOI Listing

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