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
收藏
页码：7806 / 7809
页数：4
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