Superprotonic Conductivity of a UiO-66 Framework Functionalized with Sulfonic Acid Groups by Facile Postsynthetic Oxidation

被引：488
作者：
Phang, Won Ju [1 ]
Jo, Hyuna [1 ]
Lee, Woo Ram [1 ]
Song, Jeong Hwa [1 ]
Yoo, Kicheon [2 ]
Kim, BongSoo [2 ]
Hong, Chang Seop [1 ]
机构：
[1] Korea Univ, Dept Chem, Seoul 136713, South Korea
[2] Korea Inst Sci & Technol, Photoelect Hybrids Res Ctr, Seoul 136791, South Korea
来源：
ANGEWANDTE CHEMIE-INTERNATIONAL EDITION | 2015年 / 54卷 / 17期
关键词：
metal-organic frameworks; postsynthetic oxidation; proton-conducting materials; sulfonic acid groups; thiol groups; METAL-ORGANIC FRAMEWORKS; HIGH PROTON CONDUCTIVITY; POROUS COORDINATION POLYMERS; CONDUCTORS; CATALYSIS; TRANSPORT; MEMBRANES;
D O I：
10.1002/anie.201411703
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
Facile postsynthetic oxidation of the thiol-laced UiO-66-type framework UiO-66(SH)(2) enabled the generation of UiO-66(SO3H)(2) with sulfonic acid groups covalently linked to the backbone of the system. The oxidized material exhibited a superprotonic conductivity of 8.4 x 10(-2) S cm(-1) at 80 degrees C and 90% relative humidity, and long-term stability of the conductivity was observed. This level of conductivity exceeds that of any proton-conducting MOF reported to date and is equivalent to the conductivity of the most effective known electrolyte, Nafion.
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收藏
页码：5142 / 5146
页数：5
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