The stabilization of active oxygen species by Pt supported on TiO2

Hisahiro Einaga; Atsushi Ogata; Shigeru Futamura; Takashi Ibusuki

doi:10.1016/S0009-2614(01)00296-2

The stabilization of active oxygen species by Pt supported on TiO₂

Hisahiro Einaga, Atsushi Ogata, Shigeru Futamura, Takashi Ibusuki

Research output: Contribution to journal › Article › peer-review

49 Citations (Scopus)

Abstract

Pt/TiO₂ was active for the oxidation of CO to CO₂ in the dark at ambient temperature after UV irradiation. Pure TiO₂ was inactive and the presence of Pt supported on TiO₂ was indispensable for the reaction. Based on the ESR study, it was found that Pt deposited on TiO₂ stabilized the O^- and O₃^- species photoformed on the TiO₂, and they were responsible for the CO oxidation.

Original language	English
Pages (from-to)	303-307
Number of pages	5
Journal	Chemical Physics Letters
Volume	338
Issue number	4-6
DOIs	https://doi.org/10.1016/S0009-2614(01)00296-2
Publication status	Published - Apr 27 2001
Externally published	Yes

All Science Journal Classification (ASJC) codes

Physics and Astronomy(all)
Physical and Theoretical Chemistry

Access to Document

10.1016/S0009-2614(01)00296-2

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abstract = "Pt/TiO2 was active for the oxidation of CO to CO2 in the dark at ambient temperature after UV irradiation. Pure TiO2 was inactive and the presence of Pt supported on TiO2 was indispensable for the reaction. Based on the ESR study, it was found that Pt deposited on TiO2 stabilized the O- and O3- species photoformed on the TiO2, and they were responsible for the CO oxidation.",

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AU - Ogata, Atsushi

AU - Futamura, Shigeru

AU - Ibusuki, Takashi

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Y1 - 2001/4/27

N2 - Pt/TiO2 was active for the oxidation of CO to CO2 in the dark at ambient temperature after UV irradiation. Pure TiO2 was inactive and the presence of Pt supported on TiO2 was indispensable for the reaction. Based on the ESR study, it was found that Pt deposited on TiO2 stabilized the O- and O3- species photoformed on the TiO2, and they were responsible for the CO oxidation.

AB - Pt/TiO2 was active for the oxidation of CO to CO2 in the dark at ambient temperature after UV irradiation. Pure TiO2 was inactive and the presence of Pt supported on TiO2 was indispensable for the reaction. Based on the ESR study, it was found that Pt deposited on TiO2 stabilized the O- and O3- species photoformed on the TiO2, and they were responsible for the CO oxidation.

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