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Issue 34, 2015
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Transparent ALD-grown Ta2O5 protective layer for highly stable ZnO photoelectrode in solar water splitting

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Abstract

This communication describes a highly stable ZnO/Ta2O5 photoanode with Ta2O5 deposited by atomic layer deposition. The ultrathin Ta2O5 protective layer prevents corrosion of ZnO and reduces surface carrier recombination, leading to a nearly two-fold increase of photo-conversion efficiency. The transparency of Ta2O5 to sunlight is identified as the main reason for the excellent stability of the photoelectrode for 5 hours.

Graphical abstract: Transparent ALD-grown Ta2O5 protective layer for highly stable ZnO photoelectrode in solar water splitting

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Supplementary files

Article information


Submitted
03 Feb 2015
Accepted
02 Mar 2015
First published
02 Mar 2015

Chem. Commun., 2015,51, 7290-7293
Article type
Communication

Transparent ALD-grown Ta2O5 protective layer for highly stable ZnO photoelectrode in solar water splitting

C. Li, T. Wang, Z. Luo, D. Zhang and J. Gong, Chem. Commun., 2015, 51, 7290
DOI: 10.1039/C5CC01015B

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