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SnSe nanosheet hybridized with reduced graphene oxide for enhanced hydrogen revolution reaction

SnSe with layered structure, as a member of 2D materials and transition metal chalcogenides, is a promising candidate of electrocatalyst for hydrogen evolution. Reduced graphene oxide (RGO) is an excellent substrate of electrocatalyst. In this work, SnSe nanosheets (NSs) had been prepared via liquid...

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Published in:Applied physics. A, Materials science & processing Materials science & processing, 2023-06, Vol.129 (6), Article 426
Main Authors: Li, Changle, Qiao, Hui, Liu, Yundan, Huang, Zongyu, Luo, Siwei, Wang, Ziyu, Qi, Xiang
Format: Article
Language:English
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Summary:SnSe with layered structure, as a member of 2D materials and transition metal chalcogenides, is a promising candidate of electrocatalyst for hydrogen evolution. Reduced graphene oxide (RGO) is an excellent substrate of electrocatalyst. In this work, SnSe nanosheets (NSs) had been prepared via liquid exfoliation, and the as-prepared SnSe NSs had been hybridized with RGO by a simple hydrothermal method. The SnSe/RGO hybrid shows superior hydrogen evolution reaction (HER) performance and charge transfer capability than SnSe NSs. In addition, it exhibits a superior HER performance in 1.0 M H 2 SO 4 with overpotential of − 298.79 mV (vs. RHE) at a current density of 10 mA/cm 2 and a Tafel slope determined to be only 97.56 mV/dec. Moreover, the SnSe/RGO hybrid as working electrode is provided with excellent durability, which is capable of maintaining working current for 10 h. As demonstrated above, relative high activity and stability and low price make the SnSe/RGO hybrid a promising electrocatalyst.
ISSN:0947-8396
1432-0630
DOI:10.1007/s00339-023-06690-2