Adsorption of a Catalytically Accessible Polyoxometalate in a Mesoporous Channel-type Metal-Organic Framework

被引：154

作者：

Buru, Cassandra T. ^{[1
]}

Li, Peng ^{[1
]}

Mehdi, B. Layla ^{[2
]}

Dohnalkoya, Alice ^{[3
]}

Platero-Prats, Ana E. ^{[5
]}

Browning, Nigel D. ^{[2
,4
]}

Chapman, Karena W. ^{[5
]}

Hupp, Joseph T. ^{[1
]}

Farha, Omar K. ^{[1
,6
]}

机构：

[1] Northwestern Univ, Dept Chem, 2145 Sheridan Rd, Evanston, IL 60208 USA

[2] PNNL, Phys & Computat Sci Directorate, Richland, WA 99352 USA

[3] PNNL, Environm Mol Sci Lab, Richland, WA 99352 USA

[4] Univ Washington, Mat Sci & Engn, Seattle, WA 98195 USA

[5] Argonne Natl Lab, Adv Photon Source, Xray Sci Div, Argonne, IL 60439 USA

[6] King Abdulaziz Univ, Dept Chem, Fac Sci, Jeddah, Saudi Arabia

来源：

CHEMISTRY OF MATERIALS | 2017年 / 29卷 / 12期

基金：

美国国家科学基金会;

关键词：

ATOMIC LAYER DEPOSITION; WATER OXIDATION; SELECTIVE OXIDATION; CATALYSTS; IMMOBILIZATION; H3PW12O40; NMR; DECOMPOSITION; ENCAPSULATION; MECHANISM;

D O I：

10.1021/acs.chemmater.7b00750

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：

A Keggin-type polyoxometalate (H3PW12O40) was incorporated into a mesoporous Zr-based MOF (NU-1000) via an impregnation method in aqueous media, resulting in the hybrid material, PW12@NU-1000. The POM@MOF composite was characterized by a suite of physical methods, indicating the retention of crystallinity and high porosity of the parent MOF. The hybrid material was also stable to leaching in aqueous media at varying pH. Finally, the material was tested as a heterogeneous catalyst for the oxidation of 2-chloroethyl ethyl sulfide using hydrogen peroxide as the oxidant. PW12@NU-1000 was shown to have a higher catalytic activity than either of the individual constituents alone.

引用

页码：5174 / 5181

页数：8

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