R. Abe et al., Steady hydrogen evolution from water on Eosin Y-fixed TiO2 photocatalyst using a silane-coupling reagent under visible light irradiation, J PHOTOCH A, 137(1), 2000, pp. 63-69
Citations number
18
Categorie Soggetti
Physical Chemistry/Chemical Physics
Journal title
JOURNAL OF PHOTOCHEMISTRY AND PHOTOBIOLOGY A-CHEMISTRY
A chemical fixation of xanthene dyes on platinized TiO2 particles via silan
e-coupling reagent was attempted in order to construct a stable dye-sensiti
zed photocatalyst system in water. The Eosin Y fixed Pt-TiO2 (E.Y-TiO2) exh
ibited steady H-2 production from aqueous triethanolamine solution (TEOA aq
.) under visible light irradiation for long time, and the H-2 evolution rep
roduced even after the exchange of TEOA aq., while the H-2 evolution from t
he mixture of Eosin Y (E.Y) and Pt-TiO2 ceased in 10h. The turnover number
of the dye molecule fixed on TiO2 surface reached more than 10,000, and the
quantum yield of the E.Y-TiO2 at 520 nm was determined to be about 10%. (C
) 2000 Elsevier Science B.V. All rights reserved.