Electrodeposited Co-doped NiSe2 nanoparticles film: a good electrocatalyst for efficient water splitting

Tingting Liu; Abdullah M. Asiri; Xuping Sun

doi:10.1039/C5NR07170D

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Electrodeposited Co-doped NiSe₂ nanoparticles film: a good electrocatalyst for efficient water splitting†

Tingting Liu,^a Abdullah M. Asiri^b and Xuping Sun*^a

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* Corresponding authors

^a Chemical Synthesis and Pollution Control Key Laboratory of Sichuan Province, College of Chemistry and Chemical Engineering, China West Normal University, Nanchong 637002, Sichuan, China
E-mail: sunxp@cwnu.edu.cn

^b Chemistry Department, Faculty of Science, King Abdulaziz University, Jeddah 21589, Saudi Arabia

Abstract

In this communication, we report that a Co-doped NiSe₂ nanoparticles film electrodeposited on a conductive Ti plate (Co_0.13Ni_0.87Se₂/Ti) behaves as a robust electrocatalyst for both HER and OER in strongly basic media, with good activity over a NiSe₂/Ti counterpart. This Co_0.13Ni_0.87Se₂/Ti catalytic electrode delivers 10 mA cm⁻² at an overpotential of 64 mV for HER and 100 mA cm⁻² at an overpotential of 320 mV for OER in 1.0 M KOH. A voltage of only 1.62 V is required to drive 10 mA cm⁻² for the two-electrode alkaline water electrolyzer using Co_0.13Ni_0.87Se₂/Ti as an anode and cathode.

This article is part of the themed collection: Editor’s Choice: Nanomaterials for catalysis

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Article information

DOI: https://doi.org/10.1039/C5NR07170D
Article type: Communication
Submitted: 15 Oct 2015
Accepted: 17 Jan 2016
First published: 01 Feb 2016

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Nanoscale, 2016,8, 3911-3915

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Electrodeposited Co-doped NiSe₂ nanoparticles film: a good electrocatalyst for efficient water splitting

T. Liu, A. M. Asiri and X. Sun, Nanoscale, 2016, 8, 3911 DOI: 10.1039/C5NR07170D

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