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Novel porous molybdenum tungsten phosphide hybrid nanosheets on carbon cloth for efficient hydrogen evolution

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Energy & Environmental Science Vol - 9 Issue - 3

Energy & Environmental Science Vol - 9 Issue - 2

Energy & Environmental Science Vol -8

Energy & Environmental Science Vol -7

Energy & Environmental Science Vol -6

Energy & Environmental Science Vol -5

Energy & Environmental Science Vol -4

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Energy & Environmental Science Vol -1

Novel porous molybdenum tungsten phosphide hybrid nanosheets on carbon cloth for efficient hydrogen evolution

Content Provider	Royal Society of Chemistry (RSC)
Author	Kuang, Dai-Bin Su, Cheng-Yong Xu, Yang-Fan Xu, Wei-Jian Chen, Hong-Yan Zhang, Wei-Xiong Wang, Xu-Dong Rao, Hua-Shang
Copyright Year	2016
Abstract	Nanostructural modification and chemical composition tuning are paramount to developing effective non-noble hydrogen evolution reaction (HER) catalysts for water splitting. Herein, we report a novel excellent porous molybdenum tungsten phosphide (Mo–W–P) hybrid nanosheet catalyst for hydrogen evolution, which is synthesized via in situ phosphidation of molybdenum tungsten oxide (Mo–W–O) hybrid nanowires grown on carbon cloth. The three-dimensional (3D) hierarchical hybrid electrocatalyst exhibits impressively high electrocatalytic activity with a low overpotential of 138 mV required to achieve a high current density of 100 mA cm−2 and a small Tafel slope of 52 mV dec−1 in 0.5 M H2SO4, which are significantly higher than those of single MoP nanosheets and WP2 nanorods. Such an outstanding performance of the Mo–W–P hybrid electrocatalyst is attributed to the 3D conductive scaffolds, porous nanosheet structure, and strong synergistic effect of W and Mo atoms in Mo–W–P, making it a very promising catalyst for hydrogen production. Our findings demonstrate that careful control over the morphology and composition of the electrocatalyst can achieve highly efficient hybrid electrocatalysts.
Starting Page	1468
Ending Page	1475
Page Count	8
File Format	HTM / HTML PDF
ISSN	17545692
Volume Number	9
Issue Number	4
Journal	Energy & Environmental Science
DOI	10.1039/c5ee03801d
Language	English
Publisher	Royal Society of Chemistry
Access Restriction	Open
Subject Keyword	Tafel Mo Hydrogen Water splitting Molybdenum Tungsten Phosphide Nanosheet Tungsten oxide Carbon Three-dimensional space Overpotential Current density
Content Type	Text
Resource Type	Article
Subject	Environmental Chemistry Pollution Renewable Energy, Sustainability and the Environment Nuclear Energy and Engineering

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Novel porous molybdenum tungsten phosphide hybrid nanosheets on carbon cloth for efficient hydrogen evolution

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