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High quantum efficiency Pt/TiO2 catalyst for sacrificial water reduction by M.K.I. Senevirathna; P.K.D.D.P. Pitigala; K. Tennakone is a Engineering article available to read on EtoBox.

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Platinum photodeposition on TiO 2 from methanolic solution of chloroplatinic acid (CPA) is investigated to determine the conditions that give optimum photocatalytic activity towards dehydrogenation of methanol. Conditions favoring nucleation of Pt islets rather than their autocatalytic growth enhance the catalytic activity. Photoplatinization from idoplatinic acid, adsorbing more strongly on TiO 2 than CPA produced more active Pt/TiO 2 catalysts. The best catalyst prepared from CPA yielded H 2 from 12.5% methanol solution at a quantum efficiency of 23.9% whereas for idoplatinic acid based catalysts, the quantum efficiency increased to 42.5%.

Who reads High quantum efficiency Pt/TiO2 catalyst for sacrificial water reduction?

Author

M.K.I. Senevirathna; P.K.D.D.P. Pitigala; K. Tennakone

Publisher

Elsevier Science; Elsevier ; Elsevier BV (ISSN 0927-0248)

Published

2006

Language

EN

Field

Engineering (Physical Sciences)