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Charge-transfer complexes of conjugated polymers as intermediates in charge photogeneration for organic photovoltaicsстатья
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: 18 июля 2013 г.
- Авторы: Bakulin A.A., Martyanov D., Paraschuk D.Y., van Loosdrecht P.H.M, Pshenichnikov M.S.
- Журнал: Chemical Physics Letters
- Том: 482
- Номер: 1-3
- Год издания: 2009
- Издательство: Elsevier BV
- Местоположение издательства: Netherlands
- Первая страница: 99
- Последняя страница: 104
- DOI: 10.1016/j.cplett.2009.09.052
- Аннотация: Ultrafast visible-pump/IR-probe spectroscopy is applied to study the wavelength dependence of charge photogeneration in materials based on donor-acceptor charge-transfer complexes (CTCs) of the conjugated polymer MEH-PPV. In binary polymer-acceptor blends, photoexcitation in the absorption band of either CTC or polymer results in similar dynamics of the charge-associated transient absorption. Likewise, in polymer/CTC-acceptor/fullerene ternary blends, where charge separation occurs via a two-step pathway, the photophysics is also independent of excitation wavelength. These similarities in charge dynamics indicate that CTC excited states serve as an intermediate for charge photogeneration. The conclusions of the ultrafast study are supported by photocurrent spectroscopy. (C) 2009 Elsevier B. V. All rights reserved.
- Добавил в систему: Паращук Дмитрий Юрьевич