Photocatalytic Aerobic Oxidation of Alcohols on TiO₂: The Acceleration Effect of a Brønsted Acid

Photocatalytic Aerobic Oxidation of Alcohols on TiO₂: The Acceleration Effect of a Brønsted Acid

Up to speed: Brønsted acids adsorbed onto TiO2 dramatically accelerated the photocatalytic oxidation of alcohols without any loss of selectivity (see scheme). This effect results from the decomposition of the Ti species, having a side‐on peroxide, on the TiO2 surface. The decomposition is aided by t...

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Veröffentlicht in:Angewandte Chemie (International ed.) 2010-10, Vol.49 (43), p.7976-7979
Hauptverfasser: Wang, Qi, Zhang, Miao, Chen, Chuncheng, Ma, Wanhong, Zhao, Jincai
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Sprache:eng
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alcohols
heterogeneous catalysis
oxidation
photochemistry
titanium
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container_end_page 7979
container_issue 43
container_start_page 7976
container_title Angewandte Chemie (International ed.)
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creator Wang, Qi
Zhang, Miao
Chen, Chuncheng
Ma, Wanhong
Zhao, Jincai
description Up to speed: Brønsted acids adsorbed onto TiO2 dramatically accelerated the photocatalytic oxidation of alcohols without any loss of selectivity (see scheme). This effect results from the decomposition of the Ti species, having a side‐on peroxide, on the TiO2 surface. The decomposition is aided by the Brønsted acid, thereby regenerating the active Ti sites on the surface of the catalyst.
doi_str_mv 10.1002/anie.201001533
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subjects alcohols
heterogeneous catalysis
oxidation
photochemistry
titanium
title Photocatalytic Aerobic Oxidation of Alcohols on TiO₂: The Acceleration Effect of a Brønsted Acid
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