Properties of O2•- and OH• Formed in TiO2 Aqueous Suspensions by Photocatalytic Reaction and the Influence of H2O2 and Some Ions

Hirakawa, Tsutomu; Nosaka, Yoshio

doi:10.1021/la015685a

Public

Properties of O2•- and OH• Formed in TiO2 Aqueous Suspensions by Photocatalytic Reaction and the Influence of H2O2 and Some Ions

Published in Langmuir • Mar 21, 2002

Authors:

Tsutomu Hirakawa

Yoshio Nosaka

Abstract

We have investigated the effect of H 2 O 2 on the behavior of O 2 • - and OH • produced in photocatalysis of aqueous TiO 2 suspensions by means of luminol chemiluminescence probing and terephthalic acid fluorescence probing, respectively. The reduction of O 2 by photoinduced conduction band electron...

Subject

Chemistry

Aqueous solution

Photocatalysis

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