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

被引：220
|
作者：
Wang, Qi [1 ,2 ]
Zhang, Miao [1 ]
Chen, Chuncheng [1 ]
Ma, Wanhong [1 ]
Zhao, Jincai [1 ]
机构：
[1] Chinese Acad Sci, Key Lab Photochem, Beijing Natl Lab Mol Sci, Inst Chem, Beijing 100190, Peoples R China
[2] Zhejiang Gongshang Univ, Sch Environm Sci & Engn, Hangzhou 310018, Peoples R China
来源：
ANGEWANDTE CHEMIE-INTERNATIONAL EDITION | 2010年 / 49卷 / 43期
关键词：
alcohols; heterogeneous catalysis; photochemistry; oxidation; titanium; SELECTIVE OXIDATION; AQUEOUS SUSPENSION; AROMATIC ALCOHOLS; OXYGEN; ALDEHYDES; ENHANCEMENT; MOLECULES;
D O I：
10.1002/anie.201001533
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
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. © 2010 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim.
引用
收藏
页码：7976 / 7979
页数：4
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