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Open AccessArticle

Prickly Pear-Like Three-Dimensional Porous MoS2: Synthesis, Characterization and Advanced Hydrogen Evolution Reaction

1
Department of Chemistry, School of Chemistry and Bioengineering, University of Science & Technology Beijing, Beijing 100083, China
2
Research Center for Bioengineering and Sensing Technology, Beijing Key Laboratory for Bioengineering and Sensing Technology, School of Chemistry and Bioengineering, University of Science & Technology Beijing, Beijing 100083, China
3
Hubei Key Laboratory of Pollutant Analysis & Reuse Technology, Hubei Normal University, Huangshi 435002, China
*
Authors to whom correspondence should be addressed.
Catalysts 2018, 8(6), 235; https://doi.org/10.3390/catal8060235
Received: 8 April 2018 / Revised: 28 May 2018 / Accepted: 29 May 2018 / Published: 4 June 2018
(This article belongs to the Special Issue Active Sites in Catalytic Reaction)
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Abstract

Herein, we hydrothermally synthesize a type of prickly pear-like three-dimensional (3D) porous MoS2 (ZT-MoS2), using a zinc oxide (ZnO) rod deposited on quartz glass substrates, as a template for an advanced hydrogen evolution reaction (HER) catalyst. Microscopic and spectroscopic tools comprehensively characterize the morphology of the ZT-MoS2 nanostructure, which exhibits adequate edge active sites and defects, as well as a high component of active octahedral MoS2 (1T-MoS2). Electrochemical characterizations reveal the good HER performance of the ZT-MoS2 that presents a good overpotential of 110 mV, and a Tafel slope of 63 mV·dec−1, superior to most of the previously reported MoS2-based HER catalysts. This work contributes to the design and fabrication of 3D MoS2 with enhanced HER performance, which holds great promise for fuel cells and energy conversion. View Full-Text
Keywords: three-dimensional MoS2; ZnO template; hydrogen evolution reaction; hydrothermal synthesis three-dimensional MoS2; ZnO template; hydrogen evolution reaction; hydrothermal synthesis
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Lu, H.; Chen, X.; Dai, W.; Zhang, K.; Liu, C.; Dong, H. Prickly Pear-Like Three-Dimensional Porous MoS2: Synthesis, Characterization and Advanced Hydrogen Evolution Reaction. Catalysts 2018, 8, 235.

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