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Jang, Ji-Wook
JW Energy Lab
Research Interests
  • Materials Science, Energy

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Photocatalytic overall water splitting with dual-bed system under visible light irradiation

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Title
Photocatalytic overall water splitting with dual-bed system under visible light irradiation
Other Titles
Photocatalytic overall water splitting with dual-bed system under visible light irradiation
Author
Bae, Sang WonJi, Sang MinHong, Suk JoonJang, Ji-WookLee, Jae Sung
Keywords
Photocatalysts; Water splitting; Dual-bed system; WO(3); Rh-doped SrTiO(3)
Issue Date
2009-05
Publisher
PERGAMON-ELSEVIER SCIENCE LTD
Citation
INTERNATIONAL JOURNAL OF HYDROGEN ENERGY, v.34, no.8, pp.3243 - 3249
Abstract
Photocatalytic overall water splitting has been demonstrated with WO(3) for oxygen producing photocatalyst (OPC), and Rh-doped SrTiO(3) for hydrogen producing photocatalyst (HPC) in a simulated dual-bed system under visible light irradiation (lambda >= 400 nm). The Fe(3+)/Fe Fe(2+) redox couple was chosen as the most effective electron mediator between OPC and HPC. The overall performance of the dual-bed system was limited by the low activity of HPC, and thus the activity of HPC should be increased to improve the overall performance. For overall water splitting reaction in a dual-bed system, the conduction band of OPC must be more negative than the redox potential of the electron acceptors and the valence band of HPC must be more positive than the redox potential of the electron donors. (C) 2009 International Association for Hydrogen Energy. Published by Elsevier Ltd. All rights reserved
URI
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DOI
10.1016/j.ijhydene.2009.02.022
ISSN
0360-3199
Appears in Collections:
ECHE_Journal Papers
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