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Erschienen in: Journal of Materials Science: Materials in Electronics 15/2020

26.06.2020

Ionic liquid-modified ZnO-based electron transport layer for inverted organic solar cells

verfasst von: Xiaohan Zhang, Mengqi Cui, Li Nian, Peng Wang, Qikun Rong, Lingling Shui, Reinder Coehoorn, Guofu Zhou, Na Li

Erschienen in: Journal of Materials Science: Materials in Electronics | Ausgabe 15/2020

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Abstract

In this work, a novel ionic liquid (IL) is demonstrated as an interface modification layer in photovoltaic devices to improve power conversion efficiency (PCE) in inverted organic solar cell (i-OSCs). As a result, the PTB7-Th:PC71BM-based devices using ZnO/IL as ETL layer exhibited over 15% PCE increment with enhanced short-circuit current density (Jsc) and fill factor (FF), compared with pure ZnO appliance in ETL. The ZnO layer modified with IL has a better electron extraction capability and lower work function, both of which contribute to better device performance.

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Metadaten
Titel
Ionic liquid-modified ZnO-based electron transport layer for inverted organic solar cells
verfasst von
Xiaohan Zhang
Mengqi Cui
Li Nian
Peng Wang
Qikun Rong
Lingling Shui
Reinder Coehoorn
Guofu Zhou
Na Li
Publikationsdatum
26.06.2020
Verlag
Springer US
Erschienen in
Journal of Materials Science: Materials in Electronics / Ausgabe 15/2020
Print ISSN: 0957-4522
Elektronische ISSN: 1573-482X
DOI
https://doi.org/10.1007/s10854-020-03818-5

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