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Issue 8, 2019
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Amorphous Ni–Fe double hydroxide hollow nanocubes enriched with oxygen vacancies as efficient electrocatalytic water oxidation catalysts

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Abstract

In this study, we present an ingenious design of Fe-modulated nickel hydroxide hollow nanocubes with a systematically engineered structure. The Ni0.75Fe0.25(OH)x sample exhibits good O2 evolution activity, which should be attributed to electronic modulation and abundant oxygen vacancies. Based on Pourbaix slope analysis, a two proton-one electron transfer is discovered in the amorphous Ni0.75Fe0.25(OH)x catalyst. Ni0.75Fe0.25(OH)x exhibits an enhanced performance for the electrocatalytic OER with a low overpotential of 310 mV at a current density of 10 mA cm−2.

Graphical abstract: Amorphous Ni–Fe double hydroxide hollow nanocubes enriched with oxygen vacancies as efficient electrocatalytic water oxidation catalysts

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Supplementary files

Article information


Submitted
24 Oct 2018
Accepted
18 Dec 2018
First published
18 Dec 2018

Chem. Commun., 2019,55, 1044-1047
Article type
Communication

Amorphous Ni–Fe double hydroxide hollow nanocubes enriched with oxygen vacancies as efficient electrocatalytic water oxidation catalysts

T. Tian, M. Zheng, J. Lin, X. Meng and Y. Ding, Chem. Commun., 2019, 55, 1044
DOI: 10.1039/C8CC08511K

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