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Enhancement of Chemical Stability and Crystallinity in Porphyrin‐Containing Covalent Organic Frameworks by Intramolecular Hydrogen Bonds
Author(s) -
Kandambeth Sharath,
Shinde Digambar Balaji,
Panda Manas K.,
Lukose Binit,
Heine Thomas,
Banerjee Rahul
Publication year - 2013
Publication title -
angewandte chemie international edition
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 5.831
H-Index - 550
eISSN - 1521-3773
pISSN - 1433-7851
DOI - 10.1002/anie.201306775
Subject(s) - crystallinity , hydrogen bond , intramolecular force , covalent bond , porphyrin , chemical stability , porosity , materials science , chemical bond , hydrogen , chemistry , chemical engineering , photochemistry , organic chemistry , crystallography , molecule , engineering
A strong bond : A strategy based on intramolecular hydrogen‐binding interactions in 2D covalent organic frameworks (COFs) is shown to improve the crystallinity, porosity, and chemical stability of the material (see picture). The concept is validated by removing the hydrogen‐bonding interaction in the methoxy analog which showed a lower stability and crystallinity.