Issue 8, 2021

Isomeric anthracene diimide polymers

Abstract

N-type semiconducting polymers are attractive for organic electronics, but desirable electron-deficient units for synthesizing such polymers are still lacking. As a cousin of rylene diimides such as naphthalene diimide (NDI) and perylene diimide (PDI), anthracene diimide (ADI) is a promising candidate; its polymers, however, have not been achieved yet because of synthetic challenges for its polymerizable monomers. Herein, we present ingenious synthesis of two dibromide ADI monomers with dibromination at differently symmetrical positions of the ADI core, which are further employed to construct ADI polymers. More interestingly, the two obtained ADI polymers possess the same main-chain and alkyl-chain structures but different backbone conformations owing to varied linking positions between repeating units. This feature enables their different optoelectronic properties and film-state packing behavior. The ADI polymers offer first examples of conjugated polymer conformational isomers and are highly promising as a new class of n-type semiconductors for various organic electronics applications.

Graphical abstract: Isomeric anthracene diimide polymers

Supplementary files

Article information

Article type
Edge Article
Submitted
09 noy 2020
Accepted
19 dek 2020
First published
13 yan 2021
This article is Open Access

All publication charges for this article have been paid for by the Royal Society of Chemistry
Creative Commons BY-NC license

Chem. Sci., 2021,12, 2848-2852

Isomeric anthracene diimide polymers

D. Tu, Q. Yang, S. Yu, X. Guo and C. Li, Chem. Sci., 2021, 12, 2848 DOI: 10.1039/D0SC06164F

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