期刊
CHEMICAL COMMUNICATIONS
卷 53, 期 64, 页码 9000-9003出版社
ROYAL SOC CHEMISTRY
DOI: 10.1039/c7cc03702c
关键词
-
资金
- National Natural Science Foundation of China [21575137, 21375076]
It is highly attractive to develop efficient hydrogen-evolving electrocatalysts under neutral conditions. In this communication, we report an amorphous FeMoS4 nanorod array on carbon cloth (FeMoS4 NRA/CC) prepared by hydrothermal treatment of an FeOOH nanorod array on carbon cloth (FeOOH NRA/CC) in (NH4)(2)MoS4 solution. As a 3D electrode for hydrogen evolution electrocatalysis, this FeMoS4 NRA/CC demonstrates superior catalytic activity and strong longterm electrochemical durability in 1.0 M phosphate buffered saline (pH:7). It needs an overpotential of 204 mV to drive a geometrical current density of 10 mA cm(-2), which is 450 mV less than that for FeOOH NRA/CC. Density functional theory calculations suggest that FeMoS4 has a more favourable hydrogen adsorption free energy than FeOOH.
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