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Hierarchical CuO@ZnCo LDH heterostructured nanowire array toward enhanced water oxidation electrocatalysis

Abstract

It is of great importance to design and develop complex heterostructured nanocatalysts with superior electrochemical performance to single-structured ones. Here, we report on the hydrothermal fabrication of hierarchical heterostructure of CuO@ZnCo layered double hydroxide nanowire array on copper foil (CuO@ZnCo LDH/CF). As a self-supported electrocatalyst for water oxidation, such CuO@ZnCo LDH/CF is superior in catalytic activity with the need of a low overpotential of 270 mV to attain 10 mA cm-2 in 1.0 M KOH. In addition, it also shows strong durability to maintain its activity for at least 24 h.

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Supplementary files

Article information


Submitted
28 Jan 2020
Accepted
11 Feb 2020
First published
12 Feb 2020

Nanoscale, 2020, Accepted Manuscript
Article type
Communication

Hierarchical CuO@ZnCo LDH heterostructured nanowire array toward enhanced water oxidation electrocatalysis

T. Wang, X. Zhang, X. Zhu, Q. Liu, S. Lu, A. M. Asiri, Y. Luo and X. Sun, Nanoscale, 2020, Accepted Manuscript , DOI: 10.1039/D0NR00752H

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