Mesoporous polyoxometalate-based ionic hybrid as a highly effective heterogeneous catalyst for direct hydroxylation of benzene to phenol

被引：9

作者：

Zhao, Pingping ^{[1
]}

Zhang, Yunyun ^{[1
]}

Li, Daokuan ^{[1
]}

Cui, Hongyou ^{[1
]}

Zhang, Lipeng ^{[1
]}

机构：

[1] Shandong Univ Technol, Sch Chem Engn, Zibo 255049, Shandong, Peoples R China

来源：

CHINESE JOURNAL OF CATALYSIS | 2018年 / 39卷 / 02期

基金：

中国国家自然科学基金;

关键词：

Polyoxometalate; Mesoporous; Benzene hydroxylation; Heterogeneous catalyst; Phenol; GRAPHITIC CARBON NITRIDE; HYDROGEN-PEROXIDE; DIRECT OXIDATION; AEROBIC OXIDATION; EFFICIENT; H2O2; PERFORMANCE; EPOXIDATION; SITES; SALTS;

D O I：

10.1016/S1872-2067(17)62991-7

中图分类号：

O69 [应用化学];

学科分类号：

081704 ;

摘要：

Self-assembled mesoporous polyoxometalate-based ionic hybrid catalyst, [PxyDim](2.5)PMoV2, was prepared by combining p-xylene-tethered diimidazole ionic liquid [PxyDim]Cl-2 with Keg gin-structured V-substituted polyoxometalate H5PMo10V2O40. The obtained hybrid was shown to be a mesostructured and hydrophobic material with good thermal stability. In the H2O2-based hydroxylation of benzene to phenol, the hybrid showed extraordinary catalytic activity and rate, and quite stable reusability. The unique hydrophobic properties and mesoporous structure of the hybrid were responsible for its excellent catalytic performance. (C) 2018, Dalian Institute of Chemical Physics, Chinese Academy of Sciences. Published by Elsevier B.V. All rights reserved.

引用

页码：334 / 341

页数：8

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