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Energy Express

Energy Express

  • Editor: Christian Seassal
  • Vol. 21, Iss. S2 — Mar. 11, 2013
  • pp: A221–A228

Surface Plasmon assisted CuxO photocatalyst for pure water splitting

Wen-Ting Kung, Yi-Hao Pai, Yu-Kuei Hsu, Chu-Hsuan Lin, and Chih-Ming Wang  »View Author Affiliations


Optics Express, Vol. 21, Issue S2, pp. A221-A228 (2013)
http://dx.doi.org/10.1364/OE.21.00A221


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Abstract

In this paper, CuxO photocatalyst on plasmonic nanoporous Au film is proposed to enhancing the H2 evolution rate of pure water splitting. The nanoporous Au film can simultaneously provide surface-enhanced absorption and built-in potential. The reflection spectrum shows that the surface plasmon (SP) assisted absorption wavelength of the CuxO on the nanoporous Au film can be modified by changing the annealing temperature. It is found that the enhancement of the H2 evolution rate highly depends on the SP-assisted absorption. As the annealing temperature is 220°C, the H2 evolution rate is 58μmolhr−1 under the condition that the device area is 0.25cm2.

© 2013 OSA

OCIS Codes
(240.6670) Optics at surfaces : Surface photochemistry
(240.6680) Optics at surfaces : Surface plasmons

ToC Category:
Plasmonics

History
Original Manuscript: November 12, 2012
Revised Manuscript: December 17, 2012
Manuscript Accepted: December 30, 2012
Published: January 14, 2013

Citation
Wen-Ting Kung, Yi-Hao Pai, Yu-Kuei Hsu, Chu-Hsuan Lin, and Chih-Ming Wang, "Surface Plasmon assisted CuxO photocatalyst for pure water splitting," Opt. Express 21, A221-A228 (2013)
http://www.opticsinfobase.org/oe/abstract.cfm?URI=oe-21-S2-A221


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