Rational Designs for Highly Proton-Conductive Metal-Organic Frameworks

被引：610

作者：

Sadakiyo, Masaaki ^{[1
,2
]}

Yamada, Teppei ^{[2
]}

Kitagawa, Hiroshi ^{[1
,2
,3
,4
]}

机构：

[1] Kyoto Univ, Dept Chem, Grad Sch Sci, Sakyo Ku, Kyoto 6068502, Japan

[2] Kyushu Univ, Dept Chem, Fac Sci, Higashi Ku, Fukuoka 8128581, Japan

[3] Kyushu Univ, INAMORI Frontier Res Ctr, Fukuoka 8190395, Japan

[4] JST CREST, Chiyoda Ku, Tokyo 1020075, Japan

来源：

JOURNAL OF THE AMERICAN CHEMICAL SOCIETY | 2009年 / 131卷 / 29期

关键词：

COPPER COORDINATION POLYMER; MMX-CHAIN; HYDROGEN; ADSORPTION; MOLECULES; MECHANISM; PHOSPHATE; TRANSPORT; NETWORK; COMPLEX;

D O I：

10.1021/ja9040016

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

A novel metal-organic framework (MOF), (NH4)(2)(adp)[Zn-2(ox)(3)]center dot 3H(2)O (1) was synthesized and its structure was determined. We propose three types of rational design to introduce proton carriers into MOFs. The simplest method is to introduce them directly as counterions such as NH4+, H3O+, and HSO4- into the pores of frameworks (type I). The second is to put acid groups on frameworks, the protons being provided from them (type II). The third is to incorporate acidic molecules into voids (type III). 1 demonstrated a combination of two of the concepts by introducing NH4+ ions using the anionic framework (type I) and putting carboxyl end groups of adipic acid in a honeycomb-shaped void (type III). 1 showed a superprotonic conductivity of 10(-2) S cm(-1) at ambient temperature, comparable to organic polymers such as Nafion, which is in practical use in fuel cells. This is the first example of an MOF to exhibit a superprotonic conductivity of 10(-2) S cm(-1) at ambient temperature.

引用

页码：9906 / +

页数：4

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