Issue 34, 2015

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

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

Supplementary files

Article information

Article type
Communication
Submitted
03 Feb 2015
Accepted
02 Mar 2015
First published
02 Mar 2015

Chem. Commun., 2015,51, 7290-7293

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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