A nanostructured ZnO–ZnFe2O4 heterojunction for the visible light photoelectrochemical oxidation of water

Dong-Dong Qin; Chun-Lan Tao

doi:10.1039/C4RA00204K

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A nanostructured ZnO–ZnFe₂O₄ heterojunction for the visible light photoelectrochemical oxidation of water†

Dong-Dong Qin*^a and Chun-Lan Tao*^b

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* Corresponding authors

^a College of Chemistry and Chemical Engineering, Northwest Normal University, Lanzhou, Gansu 730070, People's Republic of China
E-mail: qindd05@gmail.com

^b School of Physical Science and Technology, Lanzhou University, Lanzhou, Gansu 730000, People's Republic of China

Abstract

A heterojunction is successfully fabricated by decorating ZnO nanorods with water-soluble, mono-dispersed ZnFe₂O₄ particles. In comparison with bare ZnO, the enhanced visible light absorption and photocurrent (λ > 420 nm) for the photoanode of the ZnO–ZnFe₂O₄ composite is correlated with the visible light response of the ZnFe₂O₄ prepared and the rapid charge transfer within the heterojunction as evidenced by the electrochemical impedance spectra.

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Article information

DOI: https://doi.org/10.1039/C4RA00204K
Article type: Communication
Submitted: 09 Jan 2014
Accepted: 18 Feb 2014
First published: 19 Feb 2014

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RSC Adv., 2014,4, 16968-16972

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A nanostructured ZnO–ZnFe₂O₄ heterojunction for the visible light photoelectrochemical oxidation of water

D. Qin and C. Tao, RSC Adv., 2014, 4, 16968 DOI: 10.1039/C4RA00204K

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