期刊
JOURNAL OF SOLAR ENERGY ENGINEERING-TRANSACTIONS OF THE ASME
卷 127, 期 3, 页码 413-416出版社
ASME
DOI: 10.1115/1.1878854
关键词
solar hydrogen production; water splitting; visible light; photocatalysts; dye sensitization
H-2 production in a water-acetonitrile solution containing iodide as an electron donor as 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 H-2 evolution decreased with increasing proportion of water in the solutions, because of a decrease in the energy gap between the redox potential of I-3(-)/I- and the highest occupied molecular orbital levels of the dyes, which decreases the efficiency of electron transfer from I- to dye.
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