4-(4-Chloro-2-methoxyphenyl)-3-fluorobenzoic acid
CAS Number:
1261970-23-3
Molecular Formula:
C14H10ClFO3
Cerium and nitrogen doped CoP nanorod arrays for hydrogen evolution in all pH conditions
Literature Information
Publication Date
2019-09-11
DOI
10.1039/C9SE00588A
Impact Factor
6.367
Authors
Pei Liu, Yibin Lu, Wenjun Ma, Linzheng Ma, Qingyun Liu, Xiao Zhang, Jinxue Guo
View Original
Abstract
Exploring pH-universal electrocatalysts for hydrogen evolution has attracted focused research attention. Heteroatom doping is recognized as an effective solution for activating the catalytic activity of transition metal-based electrocatalysts. Herein, cerium with 4f electrons and nitrogen were firstly selected as guest atoms to be doped into the CoP nanorod array host catalyst with the aim to produce efficient nonprecious-metal based catalysts for hydrogen evolution in all pH conditions. The electrocatalytic measurements proved that Ce and N co-doping endows CoP with remarkably improved intrinsic catalytic activity and kinetics, affording a current of 10 mA cm−2 at the low overpotentials of 66 mV, 72 mV, and 41 mV in 0.5 M H2SO4, 1 M phosphate buffer, and 1 M KOH, respectively. Such catalytic performances prove that the Ce and N doped CoP nanorod array is a promising pH-tolerant catalyst.
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