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Intertwined Lamello-Columnar Coassemblies in Liquid-Crystalline Side-Chain Π-Conjugated Polymers: Toward a New Class of Nanostructured Supramolecular Organic Semiconductorsстатья
Статья опубликована в высокорейтинговом журнале
Информация о цитировании статьи получена из
Web of Science,
Scopus
Статья опубликована в журнале из списка Web of Science и/или Scopus
Дата последнего поиска статьи во внешних источниках: 2 сентября 2014 г.
- Авторы: Danli Zeng, Ibtissam Tahar-Djebbar, Yiming Xiao, Farid Kameche, Navaphun Kayunkid, Martin Brinkmann, Daniel Guillon, Benoît Heinrich, Bertrand Donnio, Ivanov Dimitri A., Emmanuelle Lacaze, David Kreher, Fabrice Mathevet, and André-Jean Attias
- Журнал: Macromolecules
- Том: 47
- Номер: 5
- Год издания: 2014
- Издательство: American Chemical Society
- Местоположение издательства: United States
- Первая страница: 1715
- Последняя страница: 1731
- DOI: 10.1021/ma4020356
- Аннотация: A set of liquid-crystalline polymeric systems, associating at once the regioregular polythiophene backbone and pending mesogenic triphenylenes, is reported. Two series, namely regular homopolymers and alternating copolymers, were prepared by adapting a Grignard metathesis-based methodology, allowing some of the relevant structural parameters to be sequentially and independently modified. The thermal and self-organization behaviors of these uncommon macromolecular systems were investigated by polarized-light optical microscopy, differential scanning calorimetry and temperature-dependent small-angle X-ray scattering. Most polymers self-organize into mesophases possessing intertwined lamello-columnar morphologies, resulting from the simultaneous coexistence of lamellar and columnar sublattices. The successful preparation of oriented thin films of several of these polymeric homologues allowed further investigations by atomic force microscopy, transmission electron microscopy, electron diffraction, and grazing-incidence SAXS, which provided a deeper insight of the intricate supramolecular organizational modes, including the complete elucidation of the structure of the lamello-columnar mesophases. This simple and versatile strategy provides a route to elaborate polymeric materials incorporating two intercalated separate pathways toward charge carrier transport, of paramount importance for future electronic and optoelectronic applications.
- Добавил в систему: Иванов Дмитрий Анатольевич