Single-Atom-Based Vanadium Oxide Catalysts Supported on Metal Organic Frameworks: Selective Alcohol Oxidation and Structure Activity Relationship

被引：194

作者：

Otake, Ken-ichi ^{[1
]}

Cui, Yuexing ^{[1
]}

Buru, Cassandra T. ^{[1
]}

Li, Zhanyong ^{[1
]}

Hupp, Joseph T. ^{[1
]}

Farha, Omar K. ^{[1
,2
]}

机构：

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

[2] King Abdulaziz Univ, Fac Sci, Dept Chem, Jeddah 21589, Saudi Arabia

来源：

JOURNAL OF THE AMERICAN CHEMICAL SOCIETY | 2018年 / 140卷 / 28期

基金：

美国国家科学基金会;

关键词：

SITE HETEROGENEOUS CATALYSTS; COBALT CATALYSTS; COORDINATION POLYMERS; MODEL CATALYST; DEHYDROGENATION; NODES; WATER; HYDROGENATION; SPECTROSCOPY; CHEMISTRY;

D O I：

10.1021/jacs.8b05107

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

We report the syntheses, structures, and oxidation catalytic activities of a single-atom-based vanadium oxide incorporated in two highly crystalline MOFs, Hf-MOF-808 and Zr-NU-1000. These vanadium catalysts were introduced by a postsynthetic metalation, and the resulting materials (Hf-MOF-808-V and Zr-NU1000-V) were thoroughly characterized through a combination of analytic and spectroscopic techniques including single-crystal X-ray crystallography. Their catalytic properties were investigated using the oxidation of 4-methoxybenzyl alcohol under an oxygen atmosphere as a model reaction. Crystallographic and variable temperature spectroscopic studies revealed that the incorporated vanadium in Hf-MOF-808-V changes position with heat, which led to improved catalytic activity.

引用

页码：8652 / 8656

页数：5

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