4.7 Article

Reduced monoclinic BiVO4 for improved photoelectrochemical oxidation of water under visible light

Journal

DALTON TRANSACTIONS
Volume 43, Issue 21, Pages 7691-7694

Publisher

ROYAL SOC CHEMISTRY
DOI: 10.1039/c3dt53575d

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Funding

  1. Science and Technology Support Program of Gansu Province [1304GKCA038]
  2. Natural Science Foundation of Gansu Province in China [1308RJYA043]

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A monoclinic BiVO4 film was grown on a transparent conducting substrate for photoelectrochemical oxidation of water. A photocurrent up to 2.3 mA cm(-2) under visible light (lambda > 420 nm) was achieved after treating the sample simply by electrochemical reduction followed by NaBH4. The high photocurrent is believed to be due to the improved carrier separation and transportation as a result of increased donor density.

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