Selective Oxidation of Benzyl Alcohol in the Aqueous Phase by TiO2-Based Photocatalysts: A Review

被引：26

作者：

Luong, Giang Kim Thi ^{[1
]}

Ku, Young ^{[1
]}

机构：

[1] Natl Taiwan Univ Sci & Technol, Dept Chem Engn, 43,Sec 4,Keelung Rd, Taipei 106, Taiwan

来源：

CHEMICAL ENGINEERING & TECHNOLOGY | 2021年 / 44卷 / 12期

关键词：

Benzaldehyde; Benzyl alcohol; Photocatalysis; Photooxidation; Titanium dioxide; INDUCED AEROBIC OXIDATION; EXPOSED; 001; FACETS; AROMATIC ALCOHOLS; 4-METHOXYBENZYL ALCOHOL; TITANIUM-DIOXIDE; CONVENIENT PHOTOOXIDATION; EFFICIENT PHOTOCATALYST; CORRESPONDING ALDEHYDES; TIO2; PHOTOCATALYSTS; LIGHT IRRADIATION;

D O I：

10.1002/ceat.202100321

中图分类号：

TQ [化学工业];

学科分类号：

0817 ;

摘要：

Production processes of benzaldehyde have been studied intensively due to its wide range of applications in the industry. The selective oxidation of benzyl alcohol to benzaldehyde by TiO2 is promising as it can occur under mild conditions without toxic by-products. This article mainly describes the challenges in the photooxidation of benzyl alcohol and the strategies to enhance both the efficiency and selectivity for benzaldehyde. Visible-light response, charge separation, morphology, and reaction conditions have been listed as critical factors for this process. Different modification methods to improve the insufficient photocatalytic activity of TiO2, such as surface adjustments, metal/non-metal doping, or semiconductor coupling, are presented. The perspectives for further research in this field are also discussed.

引用

页码：2178 / 2190

页数：13

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