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Issue 45, 2015
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A novel 3D ZnO/Cu2O nanowire photocathode material with highly efficient photoelectrocatalytic performance

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Abstract

In this study, a novel three dimensional (3D) ZnO/Cu2O nanowire (NW) photocathode material with highly efficient photoelectrocatalytic performance was prepared on a copper substrate using simple, cost-effective wet chemical oxidation and hydrothermal growth methods. FE-SEM, TEM, XRD and XPS were used to investigate the 3D ZnO/Cu2O NWs, revealing the formation of the high density orientated Cu2O NW cores and ZnO NW shells. Compared with the pure Cu2O NWs, the 3D ZnO/Cu2O NWs showed a larger photocurrent (−4.55 mA cm−2) and better stability under AM 1.5G illumination (100 mW cm−2). In light of the high effective surface area and the ability to facilitate good electron transportation, this unique nanostructure will be favorable for efficient photoelectrocatalytic (PEC) water splitting and organic pollutant degradation.

Graphical abstract: A novel 3D ZnO/Cu2O nanowire photocathode material with highly efficient photoelectrocatalytic performance

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Supplementary files

Article information


Submitted
21 Sep 2015
Accepted
28 Sep 2015
First published
29 Sep 2015

J. Mater. Chem. A, 2015,3, 22996-23002
Article type
Paper

A novel 3D ZnO/Cu2O nanowire photocathode material with highly efficient photoelectrocatalytic performance

J. Bai, Y. Li, R. Wang, K. Huang, Q. Zeng, J. Li and B. Zhou, J. Mater. Chem. A, 2015, 3, 22996
DOI: 10.1039/C5TA07583A

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