Probing the correlations between the defects in metal-organic frameworks and their catalytic activity by an epoxide ring-opening reaction

被引：193

作者：

Liu, Yangyang ^{[1
]}

Klet, Rachel C. ^{[1
]}

Hupp, Joseph T. ^{[1
]}

Farha, Omar ^{[1
,2
]}

机构：

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

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

来源：

CHEMICAL COMMUNICATIONS | 2016年 / 52卷 / 50期

基金：

美国国家科学基金会;

关键词：

ULTRAHIGH SURFACE-AREA; FACILE; UIO-66; HYDROLYSIS; EFFICIENT; INSIGHTS; DESIGN; ACID; CO2;

D O I：

10.1039/c6cc03727e

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

Seven Zr/Hf-based MOFs with different degrees of defects were obtained by modulating the synthetic conditions. The number of missing linkers in these MOFs was calculated based on potentiometric acid-base titration. The number of defects was found to correlate quantitatively with the catalytic activity of UiO-type MOFs for an acid-catalyzed epoxide ring-opening reaction. More importantly, we were able to identify a MOF with inherent defective Zr-6 nodes, which showed great activity and regio-selectivity for the epoxide ring-opening reaction.

引用

页码：7806 / 7809

页数：4

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