Amorphous Co-doped MoS2 nanosheet coated metallic CoS2 nanocubes as an excellent electrocatalyst for hydrogen evolution

Haichuan Zhang; Yingjie Li; Tianhao Xu; Jiabao Wang; Ziyang Huo; Pengbo Wan; Xiaoming Sun

doi:10.1039/C5TA03410H

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Amorphous Co-doped MoS₂ nanosheet coated metallic CoS₂ nanocubes as an excellent electrocatalyst for hydrogen evolution†

Haichuan Zhang,^a Yingjie Li,^a Tianhao Xu,^a Jiabao Wang,^a Ziyang Huo,^b Pengbo Wan

^a and Xiaoming Sun*^a

Author affiliations

* Corresponding authors

^a State Key Laboratory of Chemical Resource Engineering, Beijing University of Chemical Technology, Beijing 100029, China
E-mail: sunxm@mail.buct.edu.cn

^b Queensland Micro- and Nanotechnology Centre Nathan campus, Griffith University, 170 Kessels Road, NATHAN, QLD 4111, Australia

Abstract

An amorphous Co-doped MoS₂ coated highly crystalline pyrite-phase CoS₂ hierarchical nanoarray exhibits ultrahigh activity towards acidic hydrogen evolution with a low onset potential (∼44 mV) and a small overpotential of ∼110.5 mV for driving the current density of ∼10 mA cm⁻², ascribed to its novel hierarchical structure and the Co doping caused synergistic effects.

This article is part of the themed collection: 2015 Journal of Materials Chemistry A Hot Papers

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Article information

DOI: https://doi.org/10.1039/C5TA03410H
Article type: Communication
Submitted: 09 5 2015
Accepted: 21 6 2015
First published: 23 6 2015

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J. Mater. Chem. A, 2015,3, 15020-15023

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Amorphous Co-doped MoS₂ nanosheet coated metallic CoS₂ nanocubes as an excellent electrocatalyst for hydrogen evolution

H. Zhang, Y. Li, T. Xu, J. Wang, Z. Huo, P. Wan and X. Sun, J. Mater. Chem. A, 2015, 3, 15020 DOI: 10.1039/C5TA03410H

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Journal of Materials Chemistry A