A highly stable CoMo 2 S 4 /Ni 3 S 2 heterojunction electrocatalyst for efficient hydrogen evolution

A CoMo2S4/Ni3S2 heterojunction is prepared with a high charge carrier mobility and many active sites. This CoMo2S4/Ni3S2 electrode requires an overpotential of only 51 mV to drive a current density of 10 mA cm-2 in 1 M KOH solution. Impressively, the as-prepared electrode exhibits a high stability,...

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Bibliographic Details
Published in:Chemical communications (Cambridge, England) England), 2021-01, Vol.57 (6), p.785-788
Main Authors: Wang, Minmin, Zhang, Mengke, Song, Wenwu, Zhong, Weiting, Wang, Xunyue, Wang, Jin, Sun, Tongming, Tang, Yanfeng
Format: Article
Language:English
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Summary:A CoMo2S4/Ni3S2 heterojunction is prepared with a high charge carrier mobility and many active sites. This CoMo2S4/Ni3S2 electrode requires an overpotential of only 51 mV to drive a current density of 10 mA cm-2 in 1 M KOH solution. Impressively, the as-prepared electrode exhibits a high stability, with ∼100% of the current density remaining in the ∼50 h amperometric curve both at 10 mA cm-2 and 240 mA cm-2.
ISSN:1359-7345
1364-548X
DOI:10.1039/d0cc06972h