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Effect of core modification in star-shaped donor-acceptor oligomers on physical properties and photovoltaic performanceстатья Исследовательская статья Электронная публикация
Информация о цитировании статьи получена из
Web of Science,
Scopus
Дата последнего поиска статьи во внешних источниках: 18 февраля 2018 г.
- Авторы: Luponosov Yuriy N., Solodukhin Alexander N., Trukhanov Vasiliy A., Paraschuk Dmitry Yu, Peregudova Svetlana M., Dmitryakov Petr V., Chvalun Sergei N., Ponomarenko Sergey A.
- Сборник: Proc. SPIE
- Серия: Organic, Hybrid, and Perovskite Photovoltaics XVIII
- Том: 10363
- Год издания: 2017
- Издательство: SPIE, the International Society for Optical Engineering
- Местоположение издательства: Bellingham, WA, United States
- Первая страница: 103632R
- Последняя страница: 103632R-10
- DOI: 10.1117/12.2273805
- Аннотация: A series of star-shaped donor-acceptor oligomers having alkyldicyanovinyl fragments as electron-withdrawing groups, 2,2′-bithiophene as a conjugated π-bridge and either triphenylamine or its modified analogs (9-phenyl-9H-carbazole derivatives or tris(2-methoxyphenyl)amine as electron-donating cores was designed, synthesized and investigated. Variation of the chemical nature of the donor core allowed elucidating the structure-properties relationships for their solubility, absorption spectra, electrochemistry, phase behavior as well as photovoltaic performance in bulk heterojunction organic solar cells as donor materials in their mixtures with PC70BM. The star-shaped molecules based on triphenylamine and tris(2-methoxyphenyl)amine cores have reduced bandgaps, which leads to more efficient absorption of the sun light and better photovoltaic performance.
- Добавил в систему: Пономаренко Сергей Анатольевич
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