|
ИСТИНА |
Войти в систему Регистрация |
ФНКЦ РР |
||
Efficient and Stable MAPbI3-Based Perovskite Solar Cells Using Polyvinylcarbazole Passivationстатья
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: 4 ноября 2020 г.
- Авторы: Frolova Lyubov A., Davlethanov Aivaz I., Dremova Nadezhda N., Zhidkov Ivan, Akbulatov Azat F., Kurmaev Ernst Z., Aldoshin Sergey M., Stevenson Keith J., Troshin Pavel A.
- Журнал: Journal of Physical Chemistry Letters
- Том: 11
- Номер: 16
- Год издания: 2020
- Издательство: American Chemical Society
- Местоположение издательства: United States
- Первая страница: 6772
- Последняя страница: 6778
- DOI: 10.1021/acs.jpclett.0c01776
- Аннотация: Hybrid perovskite solar cells attract a great deal of attention due to the feasibility of their low-cost production and their demonstration of impressive power conversion efficiencies (PCEs) exceeding 25%. However, the insufficient intrinsic stability of lead halides under light soaking and thermal stress impedes practical implementation of this technology. Herein, we show that the photothermal aging of a widely used perovskite light absorber such as MAPbI(3) can be suppressed significantly by using polyvinylcarbazole (PVC) as a stabilizing agent. By applying a few complementary methods, we reveal that the PVC additive leads to passivation of defects in the absorber material. Introducing an optimal content of PVC into MAPbI(3) delivers a PCE of 18.7% in combination with a significantly improved solar cell operational lifetime: devices retained similar to 70% of the initial efficiency after light soaking for 1500 h, whereas the control samples without PVC degraded almost completely under the same conditions.
- Добавил в систему: Алдошин Сергей Михайлович