Controlling the Surface Organization of Conjugated Donor-Acceptor Polymers by their Aggregation in Solution

The aggregation of conjugated polymers is found to have a significant influence on the surface organization of deposited films. Difluorobenzothiadiazole‐based polymers show a strong pre‐aggregation in solution, but the addition of 1,2,4‐trichlorobenzene efficiently reduces such aggregates, leading t...

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Bibliographic Details
Published in:Advanced materials (Weinheim) 2016-11, Vol.28 (42), p.9430-9438
Main Authors: Li, Mengmeng, An, Cunbin, Marszalek, Tomasz, Baumgarten, Martin, Yan, He, Müllen, Klaus, Pisula, Wojciech
Format: Article
Language:English
Subjects:
Addition polymerization
Agglomeration
Aggregates
Control surfaces
organic field-effect transistors
Organizations
Orientation
polymer aggregation
Polymers
self-assembly
solution processing
surface organization
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Summary:The aggregation of conjugated polymers is found to have a significant influence on the surface organization of deposited films. Difluorobenzothiadiazole‐based polymers show a strong pre‐aggregation in solution, but the addition of 1,2,4‐trichlorobenzene efficiently reduces such aggregates, leading to the transition of the surface organization from edge‐ to face‐on orientation in deposited films.
ISSN:0935-9648
1521-4095
DOI:10.1002/adma.201602660