Thermal Amorphization of Zeolitic Imidazolate Frameworks

被引：150

作者：

Bennett, Thomas D. ^{[1
]}

Keen, David A. ^{[2
]}

Tan, Jin-Chong ^{[1
]}

Barney, Emma R. ^{[2
]}

Goodwin, Andrew L. ^{[3
]}

Cheetham, Anthony K. ^{[1
]}

机构：

[1] Univ Cambridge, Dept Mat Sci & Met, Cambridge CB2 3QZ, England

[2] Rutherford Appleton Lab, ISIS Facil, Didcot OX11 0QX, Oxon, England

[3] Univ Oxford, Dept Chem, Oxford OX1 3QR, England

来源：

ANGEWANDTE CHEMIE-INTERNATIONAL EDITION | 2011年 / 50卷 / 13期

基金：

英国工程与自然科学研究理事会;

关键词：

amorphous materials; metal-organic frameworks; microporous materials; zeolite analogues; zeolitic imidazolate frameworks; X-RAY-DIFFRACTION; MECHANICAL-PROPERTIES; CRYSTAL-STRUCTURES; SILICEOUS ZEOLITE; PRESSURE; TEMPERATURE; STABILITY; POLYMERS; CAPTURE; GLASSES;

D O I：

10.1002/anie.201007303

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

Each the same: A stable, recoverable, amorphous phase (see topology model) was produced by heating each of four different zeolitic imidazolate frameworks ZIF-1, -3, -4, and Co-ZIF-4. By comparing nanoindentation results, density measurements, and X-ray total scattering results, it is concluded that the structure of the amorphous phase is equivalent in each case. Amorphization was only observed in ZIFs encompassing unsubstituted imidazolate ligands. (Figure Presented). © 2011 Wiley-VCH Verlag GmbH & Co. KGaA.

引用

页码：3067 / 3071

页数：5

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