Journal
INTERNATIONAL JOURNAL OF HYDROGEN ENERGY
Volume 29, Issue 13, Pages 1343-1347Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.ijhydene.2004.01.003
Keywords
photo catalyst; TiO2; KOH; KI; redox mediator; Pt loading
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Photocatalytic H-2 evolution due to the decomposition of water in alkaline solution was investigated using Pt-TiO2 as photocatalyst and iodide ion, KI, as a redox mediator. In order to find the optimum conditions for H-2 evolution, the effect of alkaline concentration, KI concentration, and the amount of Pt loading on the photocatalytic reactivity was examined. The results showed that H-2 evolution depends on the concentration of alkaline solution, KI concentration, and amount of Pt loading. (C) 2004 International Association for Hydrogen Energy. Published by Elsevier Ltd. All rights reserved.
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