Tuning Catalytic Selectivity in Cascade Reactions by Light Irradiation

被引：3

作者：

Zhang, Xingguang ^{[1
]}

Yao, Jianfeng ^{[1
]}

Ke, Xuebin ^{[2
]}

机构：

[1] Nanjing Forestry Univ, Coll Chem Engn, Jiangsu Key Lab Chem & Utilizat Agr & Forest Biom, Nanjing 210037, Jiangsu, Peoples R China

[2] Univ Hull, Sch Engn & Comp Sci, Kingston Upon Hull HU6 7RX, N Humberside, England

来源：

CATALYSIS LETTERS | 2018年 / 148卷 / 04期

基金：

中国国家自然科学基金;

关键词：

Photocatalysis; Nanoparticles; Aromatic compounds; Selectivity regulation; Plasmonic effect; SUPPORTED GOLD NANOPARTICLES; VISIBLE-LIGHT; ORGANIC-SYNTHESIS; PHOTOCATALYSTS; OXIDATION; REDUCTION; MICROWAVE; SURFACE; ENERGY; FUNCTIONALIZATION;

D O I：

10.1007/s10562-018-2320-9

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

Selectivity of cascade redox reactions: the reduction of nitrobenzene to azoxybenzene and then to azobenzene and the oxidation of benzyl alcohol to benzaldehyde and then to benzoic acid, is discovered to be tuneable via light irradiation over plasmonic gold photocatalysts. The representative photocatalyst of Au/CeO2 was characterized by TEM, EDX, UV-Vis and XPS to determine its morphology, elemental composition, photo absorptivity and oxidation state of gold. The catalytic test results demonstrate that the net contribution of light irradiation correlates with the ability of incident light to excite electrons and light absorption of catalysts. These findings may inspire peer researchers in developing new photocatalytic processes or in designing new photocatalysts for clean chemicals synthesis. [GRAPHICS] .

引用

页码：1124 / 1129

页数：6

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