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Title: Biopolymer as an electron selective layer for inverted polymer solar cells
Authors: Jin Tan, M.
Zhong, S.
Wang, R.
Zhang, Z.
Chellappan, V.
Chen, W. 
Issue Date: 5-Aug-2013
Citation: Jin Tan, M., Zhong, S., Wang, R., Zhang, Z., Chellappan, V., Chen, W. (2013-08-05). Biopolymer as an electron selective layer for inverted polymer solar cells. Applied Physics Letters 103 (6) : -. ScholarBank@NUS Repository.
Abstract: In this work, a solution-processable electron selective layer is introduced for inverted polymer solar cells (PSCs). Cationic biopolymer poly(2-(dimethylamino)ethyl methacrylate) (PDMAEMA) is used as a solution-processable work function modifier of indium-tin-oxide transparent conducting electrode to yield efficient inverted PSCs of 3.3% under AM1.5G illumination, with poly(3-hexylthiophene) and [6,6]-phenyl-C61- butyric acid methyl ester as the active layer. Devices using PDMAEMA exhibit greater stability in ambient "working conditions" as compared to devices using ZnO, retaining 90% of peak power conversion efficiency after 8 weeks. Therefore, PDMAEMA has great potential as a universal work function modifier material with high robustness. © 2013 AIP Publishing LLC.
Source Title: Applied Physics Letters
ISSN: 00036951
DOI: 10.1063/1.4817931
Appears in Collections:Staff Publications

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