A Dynamic Three-Dimensional Covalent Organic Framework

A guest-induced reversible crystal-structure transformation is identified in a new 3D covalent organic framework (COF) by comprehensive analyses using powder X-ray diffraction, organic vapor sorption isotherm, and 129Xe NMR spectroscopy. The revolving imine bond in inter­penetrating 3D networks is u...

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Published inJournal of the American Chemical Society Vol. 139; no. 14; pp. 4995 - 4998
Main Authors Ma, Yun-Xiang, Li, Zhi-Jun, Wei, Lei, Ding, San-Yuan, Zhang, Yue-Biao, Wang, Wei
Format Journal Article
LanguageEnglish
Published United States American Chemical Society 12.04.2017
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Summary:A guest-induced reversible crystal-structure transformation is identified in a new 3D covalent organic framework (COF) by comprehensive analyses using powder X-ray diffraction, organic vapor sorption isotherm, and 129Xe NMR spectroscopy. The revolving imine bond in inter­penetrating 3D networks is uncovered as the key to the dynamic behavior, the potential applications of which are illustrated by gas separation and heterogeneous catalysis, thus paving the way to the design of stimuli-responsive and multi­functional COF materials.
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ISSN:0002-7863
1520-5126
1520-5126
DOI:10.1021/jacs.7b01097