articleNature CommunicationsNov 13, 2013HYBRID OA

Conjugated organic framework with three-dimensionally ordered stable structure and delocalized π clouds

JGJia GuoYXYanhong XuSJShangbin JinLCLong ChenTKToshihiko Kaji

National Institutes of Natural Sciences · Institute for Molecular Science · +5 more institutions

PubMed
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Abstract

Covalent organic frameworks are a class of crystalline organic porous materials that can utilize π–π-stacking interactions as a driving force for the crystallization of polygonal sheets to form layered frameworks and ordered pores. However, typical examples are chemically unstable and lack intrasheet π-conjugation, thereby significantly limiting their applications. Here we report a chemically stable, electronically conjugated organic framework with topologically designed wire frameworks and open nanochannels, in which the π conjugation-spans the two-dimensional sheets. Our framework permits inborn periodic ordering of conjugated chains in all three dimensions and exhibits a striking combination of properties:…

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Topics & keywords

Topics
Keywords
  • Stacking
  • Delocalized electron
  • Conjugated system
  • Materials science
  • Chemical physics
  • Covalent bond
  • Nanotechnology
  • Covalent organic framework
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