A general approach to cobalt-based homobimetallic phosphide ultrathin nanosheets for highly efficient oxygen evolution in alkaline media

A general and effective approach was proposed to fabricate a new family of Co-based bimetallic phosphide ultrathin nanosheets (CoM-P-NS, M = Ni, Mn, Cu, Zn) with homogeneous composition and unique porous architecture using ultrathin metal–organic framework nanosheets (MOFNs) as precursors for the fi...

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Published inEnergy & environmental science Vol. 10; no. 4; pp. 893 - 899
Main Authors Xiao, Xiaofen, He, Chun-Ting, Zhao, Shenlong, Li, Jing, Lin, Wensheng, Yuan, Zhongke, Zhang, Qiang, Wang, Shuangyin, Dai, Liming, Yu, Dingshan
Format Journal Article
LanguageEnglish
Published 01.04.2017
Subjects
Architecture
Evolution
Modulation
Nanostructure
Nickel
Oxygen
Phosphides
Ruthenium oxide
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Summary:A general and effective approach was proposed to fabricate a new family of Co-based bimetallic phosphide ultrathin nanosheets (CoM-P-NS, M = Ni, Mn, Cu, Zn) with homogeneous composition and unique porous architecture using ultrathin metal–organic framework nanosheets (MOFNs) as precursors for the first time, which yielded synergistically active sites, mass transport and dynamic modulations for the oxygen evolution reaction (OER). The optimized samples showed remarkable oxygen evolution activity in alkaline electrolytes, outperforming both the commercial RuO 2 and Ir/C benchmarks and ranking the best among all the metal-phosphide electrocatalysts reported to date.
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ISSN:1754-5692
1754-5706
DOI:10.1039/C6EE03145E