Graphene Oxide as Support for the Immobilization of Phosphotungstic Acid: Application in the Selective Oxidation of Benzyl Alcohol

被引：47

作者：

Liu, Kun ^{[1
]}

Chen, Tingting ^{[1
]}

Hou, Zhiqiang ^{[1
]}

Wang, Yuanyuan ^{[1
]}

Dai, Liyi ^{[1
]}

机构：

[1] E China Normal Univ, Dept Chem, Shanghai 200241, Peoples R China

来源：

CATALYSIS LETTERS | 2014年 / 144卷 / 02期

基金：

中国国家自然科学基金;

关键词：

Graphene oxide; Phosphotungstic acid; Benzyl alcohol oxidation; GRAPHITE OXIDE; CATALYSTS; EFFICIENT; H2O2;

D O I：

10.1007/s10562-013-1121-4

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：

Graphene oxide functionalized with gama-aminopropyltriethoxysilane, is used as support for the immobilization of homogeneous heteropoly phosphotungstic acid. It is synthesized and characterized by SEM, XPS, XRD, P-31 NMR and Raman. The effects of catalyst parameters and reaction conditions on the oxidation reaction of benzyl alcohol are systematically investigated. Under optimal conditions, the catalyst exhibit remarkably enhanced catalytic activity (conversion 76 % and selectivity 99 %). And the catalyst could be separated conveniently. Moreover, the loss of PW12O40 (3-) anion from the support under the reaction conditions is responsible for the deactivation of the catalyst.

引用

页码：314 / 319

页数：6

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