Affiliation:
1. National Institute of Advanced Industrial Science and Technology Central 5, 1-1-1 Higashi, T Sukuba, 305-8565, Japan
Abstract
H 2 production in a water-acetonitrile solution containing iodide as an electron donor was investigated over dye-sensitized Pt∕TiO2 photocatalysts under visible light irradiation, as a potential water-splitting system based on an iodide redox mediator. The rates of H2 evolution decreased with increasing proportion of water in the solutions, because of a decrease in the energy gap between the redox potential of I3−∕I− and the highest occupied molecular orbital levels of the dyes, which decreases the efficiency of electron transfer from I− to dye.
Subject
Energy Engineering and Power Technology,Renewable Energy, Sustainability and the Environment
Cited by
23 articles.
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