期刊
NANOTECHNOLOGY
卷 31, 期 14, 页码 -出版社
IOP PUBLISHING LTD
DOI: 10.1088/1361-6528/ab62d3
关键词
electrocatalysis; hydrogen evolution reaction; ruthenium sulfide; amorphous; hydrothermal
资金
- National Natural Science Foundation of China [21971172, 21671141]
- '973 Program-The National Basic Research Program of China' Special Funds for the Chief Young Scientist [2015CB358600]
- Priority Academic Program Development (PAPD) of Jiangsu Higher Education Institutions for Optical Engineering
- Jiangsu Collaborative Innovation Center of Photovoltaic Science and Engineering
Transition metal chalcogenides have attracted much attention as high-performance electrocatalysts for hydrogen evolution reaction (HER). Here, we synthesized an efficient HER electrocatalyst of amorphous ruthenium sulfide (A-RuS2), exhibiting an overpotential of 141 mV at the current density of 10 mA cm(-2) and a Tafel slope of 65.6 mV dec(-1). Experiments demonstrate amorphous RuS2 has much better catalytic activity than that of its crystalline counterparts. Our study shows that amorphous RuS2 has increased intrinsic activity and active sites. This work provides a feasible strategy for the development of HER electrocatalysts in amorphous state.
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