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Issue 10, 2011
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Solar hydrogen generation from seawater with a modified BiVO4 photoanode

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Abstract

Hydrogen is a very promising candidate as a future energy carrier. It is attractive to produce hydrogen from solar energy and seawater, the most abundant renewable energy source and the most abundant natural resource on the earth. To date, there is no report on a stable photoelectrode with a high incident photon conversion efficiency (IPCE) in seawater splitting under irradiation by visible light. Herein, we report an efficient and stable system for seawater splitting based on a multi-metal oxide BiVO4 after modification. The results indicated that modified BiVO4 had a photocurrent density of 2.16 mA cm−2 at 1.0 VRHE in natural seawater under AM 1.5G sunlight (1000 W m−2) and exhibited the highest IPCE at 1.0 VRHE in the visible light region of 440–480 nm among all known oxide photoanodes.

Graphical abstract: Solar hydrogen generation from seawater with a modified BiVO4 photoanode

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Supplementary files

Article information


Submitted
24 May 2011
Accepted
24 Jun 2011
First published
25 Aug 2011

Energy Environ. Sci., 2011,4, 4046-4051
Article type
Paper

Solar hydrogen generation from seawater with a modified BiVO4 photoanode

W. Luo, Z. Yang, Z. Li, J. Zhang, J. Liu, Z. Zhao, Z. Wang, S. Yan, T. Yu and Z. Zou, Energy Environ. Sci., 2011, 4, 4046
DOI: 10.1039/C1EE01812D

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