期刊
APPLIED SURFACE SCIENCE
卷 494, 期 -, 页码 749-755出版社
ELSEVIER
DOI: 10.1016/j.apsusc.2019.07.231
关键词
Hydrogen evolution reaction; Electrocatalysis; Doping; Selenide; RGO
类别
资金
- National Natural Science Foundation of China [21376105, 21576113]
Tailoring low-cost electrocatalysts with high activity and good stable for hydrogen evolution reaction (HER) is vital to energy harvesting and storage. Herein, Co doped Ni0.85Se nanoparticles supported on reduced graphene oxide (Co-Ni0.85Se/RGO) were synthesized by a facile one-step hydrothermal method. As expected, the resulting hybrid materials effectively inhibit the aggregation of nanoparticles and possess the enhanced intrinsic conductivity, leading to exposure of more active sites and the faster electron transport. And then these beneficial effects enable Co-Ni0.85Se/RGO efficient HER catalytic activity in both acid and basic electrolytes, achieving small overpotentials of 148 and 128 mV at a current density of 10 mA cm(-2) in 0.5M H2SO4 and 1.0M KOH, respectively.
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