Codeposition of colloidal platinum particles and iron chloride precursor on TiO2 for efficient catalytic oxidation of CO to CO2

Hisahiro Einaga; Ryo Shiranita; Hikaru Saito; Satoshi Hata

doi:10.1246/cl.150903

Codeposition of colloidal platinum particles and iron chloride precursor on TiO₂ for efficient catalytic oxidation of CO to CO₂

Hisahiro Einaga, Ryo Shiranita, Hikaru Saito, Satoshi Hata

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

Abstract

Codeposition of metal chlorides with Pt colloidal nanoparticles on TiO₂ followed by oxidation at 400 °C and reduction at 200 °C improved the activity for Pt-catalyzed CO oxidation with stoichiometric amount of O₂. The highest activity was obtained when FeCl₃ was used as the additive with the Fe/Pt ratio of 0.2. XAFS, X-EDS, FTIR, and catalytic studies revealed that the deposition of Fe species on the reduced Pt sites gave active sites, which exhibited CO oxidation with high efficiency.

Original language	English
Pages (from-to)	1786-1788
Number of pages	3
Journal	Chemistry Letters
Volume	44
Issue number	12
DOIs	https://doi.org/10.1246/cl.150903
Publication status	Published - 2015

All Science Journal Classification (ASJC) codes

Chemistry(all)

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10.1246/cl.150903

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abstract = "Codeposition of metal chlorides with Pt colloidal nanoparticles on TiO2 followed by oxidation at 400 °C and reduction at 200 °C improved the activity for Pt-catalyzed CO oxidation with stoichiometric amount of O2. The highest activity was obtained when FeCl3 was used as the additive with the Fe/Pt ratio of 0.2. XAFS, X-EDS, FTIR, and catalytic studies revealed that the deposition of Fe species on the reduced Pt sites gave active sites, which exhibited CO oxidation with high efficiency.",

author = "Hisahiro Einaga and Ryo Shiranita and Hikaru Saito and Satoshi Hata",

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AU - Hata, Satoshi

PY - 2015

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AB - Codeposition of metal chlorides with Pt colloidal nanoparticles on TiO2 followed by oxidation at 400 °C and reduction at 200 °C improved the activity for Pt-catalyzed CO oxidation with stoichiometric amount of O2. The highest activity was obtained when FeCl3 was used as the additive with the Fe/Pt ratio of 0.2. XAFS, X-EDS, FTIR, and catalytic studies revealed that the deposition of Fe species on the reduced Pt sites gave active sites, which exhibited CO oxidation with high efficiency.

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