Ultrafine Mo-Doped Co2P Nanorods Anchored on Reduced Graphene Oxide as Efficient Electrocatalyst for the Hydrogen Evolution Reaction  

作　　者：Yi-Xuan Wang Qing Yang Chuang Liu Guang-Xia Wang Min Wu Hao Liu Yong-Ming Sui Xin-Yi Yang 王艺璇;杨青;刘闯;王光霞;武敏;刘豪;隋永明;杨新一(State Key Laboratory of Superhard Materials,College of Physics,Jilin University,Changchun 130012;School of Applied Physics and Materials,Wuyi University,Jiangmen 529020)

机构地区：[1]State Key Laboratory of Superhard Materials,College of Physics,Jilin University,Changchun 130012 [2]School of Applied Physics and Materials,Wuyi University,Jiangmen 529020

出　　处：《Chinese Physics Letters》2020年第5期106-109,共4页中国物理快报（英文版）

基　　金：National Natural Science Foundation of China(Grant Nos.11874027,11774124,and 11504126);China Postdoctoral Science Foundation(Grant Nos.2019T120233 and 2017M621198)。

摘　　要：One-dimensional(1D)transition metal phosphides(TMPs)with large specific surface areas,high charge transfer efficiency and excellent electrical conductivity have attracted significant attention in hydrogen evolution reaction(HER)as versatile and active catalysts.Herein,the sub-4 nm Mo-Co2 P ultrafine nanorods(NRs)anchored on reduced graphene oxide(rGO)were successfully synthesized by a colloidal mesostructured strategy.Electrochemical test results reveal that the Mo-Co2 P@rGO electrode exhibits superior activity with overpotentials of204 mV and Tafel slope of 88 mV/dec for HER at 10 mA/cm^2,relative to the Co2 P@rGO electrode in 0.5 M H2SO4 solution.This improvement could be ascribed to the Mo doping,which results in more active sites,higher electrical conductivity and faster electron-transfer rates.This versatile strategy will provide a promising pathway for transition metal-doped compounds as an efficient catalyst.

关 键 词：solution. VERSATILE CONDUCTIVITY 

分 类 号：TQ116.2[化学工程—无机化工] TQ426