Crystals as molecules: Postsynthesis covalent functionalization of zeolitic imidazolate frameworks

被引：626

作者：

Morris, William ^{[1
]}

Doonan, Christian J. ^{[1
]}

Furukawa, Hiroyasu ^{[1
]}

Banerjee, Rahul ^{[1
]}

Yaghi, Omar M. ^{[1
]}

机构：

[1] Univ Calif Los Angeles, Ctr Reticular Chem, Dept Chem & Biochem, 607 E Charles E Young Dr, Los Angeles, CA 90095 USA

来源：

JOURNAL OF THE AMERICAN CHEMICAL SOCIETY | 2008年 / 130卷 / 38期

关键词：

D O I：

10.1021/ja805222x

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

A new crystalline zeolitic imidazolate framework, ZIF-90, was prepared from zinc(II) nitrate and imidazolate-2-carboxyaldehyde (ICA) and found to have the sodalite-type topology. Its 3D porous framework has an aperture of 3.5 angstrom and a pore size of 11.2 angstrom. The pores are decorated by the aldehyde functionality of ICA which has allowed its transformation to the alcohol functionality by reduction with NaBH4 and its conversion to imine functionality by reaction with ethanolamine to give ZIF-91 and ZIF-92, respectively. The N-2 adsorption isotherm of ZIF-90 shows a highly porous material with calculated Langmuir and BET surface areas of 1320 and 1270 m(2) g(-1). Both functionalized ZIFs retained high crystallinity and in addition ZIF-91 maintained permanent porosity (surface areas: 1070 and 1010 m(2) g(-1)).

引用

页码：12626 / +

页数：3

共 10 条

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