Issue 29, 2016

N-doped WS2 nanosheets: a high-performance electrocatalyst for the hydrogen evolution reaction

Abstract

Non-Pt-based catalysts are urgently required to produce abundant hydrogen in electrochemical water splitting, in order to make the hydrogen evolution reaction (HER) feasible and energy efficient. Here, N-doped WS2 nanosheets were synthesized by a one step sol–gel process, which are electrochemically active toward the HER with a low onset potential of 86 mV, a large cathodic current density (100 mA cm−2 at an overpotential of 197 mV) and long-term durability. We anticipate that this synthetic method will be a powerful tool for creating high-performance electrocatalysts from other transition metal dichalcogenides.

Graphical abstract: N-doped WS2 nanosheets: a high-performance electrocatalyst for the hydrogen evolution reaction

Supplementary files

Article information

Article type
Communication
Submitted
17 May 2016
Accepted
27 Jun 2016
First published
29 Jun 2016

J. Mater. Chem. A, 2016,4, 11234-11238

N-doped WS2 nanosheets: a high-performance electrocatalyst for the hydrogen evolution reaction

C. Sun, J. Zhang, J. Ma, P. Liu, D. Gao, K. Tao and D. Xue, J. Mater. Chem. A, 2016, 4, 11234 DOI: 10.1039/C6TA04082A

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