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5,5′‐Diazaisoindigo: an Electron‐Deficient Building Block for Donor–Acceptor Conjugated Polymers
Author(s) -
Lu Yang,
Liu Yi,
Dai YaZhong,
Yang ChiYuan,
Un HioIeng,
Liu SiWei,
Shi Ke,
Wang JieYu,
Pei Jian
Publication year - 2017
Publication title -
chemistry – an asian journal
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.18
H-Index - 106
eISSN - 1861-471X
pISSN - 1861-4728
DOI - 10.1002/asia.201601671
Subject(s) - conjugated system , block (permutation group theory) , polymer , acceptor , electron , electron acceptor , electron donor , materials science , chemistry , photochemistry , physics , organic chemistry , mathematics , condensed matter physics , combinatorics , quantum mechanics , catalysis
A novel electron‐deficient building block, 5,5′‐diazaisoindigo ( 5DNIID ), was synthesized through a facile method in good yield. As a derivative of isoindigo, 5DNIID shows an ultra‐low LUMO level of −3.92 eV after incorporation of two electron‐deficient nitrogen atoms into the para ‐position of the amine groups in the isoindigo π skeleton. Modified polymerization conditions were applied to efficiently afford the donor–acceptor (D–A) conjugated polymer 5DNIID‐2T , which exhibited a p‐type charge transport property.
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