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Cited by 554

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Cobalt-phosphate (Co-Pi) catalyst modified Mo-doped BiVO4 photoelectrodes for solar water oxidation

Pilli, Satyananda Kishore, Furtak, Thomas E., Brown, Logan D., Deutsch, Todd G., Turner, John A., Herring, Andrew M.·2011·Energy & Environmental Science
DOI 10.1039/c1ee02444b
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Abstract

A cobalt-phosphate based oxygen evolution catalyst (Co-Pi OEC) was electrochemically deposited onto the surface of a porous bismuth vanadate electrode doped with 2 atom% Mo (BiV0.98Mo0.02O4). The porous BiV0.98Mo0.02O4electrode was prepared using a surfactant assisted metal–organic decomposition technique at 500 °C. The comparison of the photocurrent–voltage characteristics of the BiV0.98Mo0.02O4electrodes with and without the presence of Co-Pi catalyst demonstrated that the Co-Pi catalyst enhanced the anodic photocurrent of the BiV0.98Mo0.02O4electrode with its effect more pronounced at lower potentials. A stable photocurrrent density of 1.0 mA cm−2 at 1.0 V vs.Ag/AgCl was achieved under standard AM 1.5 illumination using 0.5M Na2SO4 aqueous solution in phosphate buffer at pH7. Relative to the BiV0.98Mo0.02O4electrode, a sustained enhancement, nearly doubled photocurrent density was observed at 1.0 V vs.Ag/AgCl for Co-Pi/BiV0.98Mo0.02O4 composite photoelectrode. Significant performance gains are obtained on BiV0.98Mo0.02O4electrodes upon modification with Co-Pi water oxidation catalyst.

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Metadata

Authors
Pilli, S. K., Furtak, T. E., Brown, L. D., Deutsch, T. G., Turner, J. A., & Herring, A. M.
Venue
Energy & Environmental Science
Publisher
Royal Society of Chemistry (RSC)
Published
2011
Volume
4
Issue
12
Pages
5028
ISSN
  • 1754-5692 (ISSN-L)
  • 1754-5706
DOI
10.1039/c1ee02444b
OpenAlex
W1998243192
Cited by
554
References
2
FWCI
11.82
Type
journal article
Language
en
Open access
closed

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CoChat. (2026). Citation check: Cobalt-phosphate (Co-Pi) catalyst modified Mo-doped BiVO4 photoelectrodes for solar water oxidation. https://app.cochat.ai/papers/10.1039/c1ee02444b
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Pilli, S. K., Furtak, T. E., Brown, L. D., Deutsch, T. G., Turner, J. A., & Herring, A. M. (2011). Cobalt-phosphate (Co-Pi) catalyst modified Mo-doped BiVO4 photoelectrodes for solar water oxidation. Energy & Environmental Science. https://doi.org/10.1039/c1ee02444b

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