One-step synthesis of cobalt-doped MoS2 nanosheets as bifunctional electrocatalysts for overall water splitting under both acidic and alkaline conditions

Qizhong Xiong; Xian Zhang; Haojie Wang; Guoqiang Liu; Guozhong Wang; Haimin Zhang; Huijun Zhao

doi:10.1039/C8CC00766G

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One-step synthesis of cobalt-doped MoS₂ nanosheets as bifunctional electrocatalysts for overall water splitting under both acidic and alkaline conditions†

Qizhong Xiong,‡^ab Xian Zhang,‡^ab Haojie Wang,^ab Guoqiang Liu,^ab Guozhong Wang,

^a Haimin Zhang

*^a and Huijun Zhao

*^ac

Author affiliations

* Corresponding authors

^a Key Laboratory of Materials Physics, Centre for Environmental and Energy Nanomaterials, Anhui Key Laboratory of Nanomaterials and Nanotechnology, CAS Center for Excellence in Nanoscience, Institute of Solid State Physics, Chinese Academy of Sciences, Hefei 230031, China
E-mail: zhanghm@issp.ac.cn, h.zhao@griffith.edu.au

^b University of Science and Technology of China, Hefei 230026, China

^c Centre for Clean Environment and Energy, Griffith University, Gold Coast Campus, Australia

Abstract

Cobalt-doped MoS₂ nanosheets were prepared via a facile hydrothermal method, exhibiting bifunctional activities of hydrogen and oxygen evolution reactions in both acidic and alkaline media. Cobalt doping not only improves the conductivity, decreasing the hydrogen adsorption free energy of MoS₂ for HER, but also contributes catalytic active sites for OER.

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Article information

DOI: https://doi.org/10.1039/C8CC00766G
Article type: Communication
Submitted: 29 Jan 2018
Accepted: 15 Mar 2018
First published: 20 Mar 2018

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Chem. Commun., 2018,54, 3859-3862

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One-step synthesis of cobalt-doped MoS₂ nanosheets as bifunctional electrocatalysts for overall water splitting under both acidic and alkaline conditions

Q. Xiong, X. Zhang, H. Wang, G. Liu, G. Wang, H. Zhang and H. Zhao, Chem. Commun., 2018, 54, 3859 DOI: 10.1039/C8CC00766G

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Chemical Communications