Enhancing the Performance of Polymer Photovoltaic Cells by Using an Alcohol Soluble Fullerene Derivative as the Interfacial Layer

Alcohol soluble fullerene derivative (FN-C60) has been synthesized and used as a cathode interfacial layer for high-efficiency polymer solar cells (PSCs). To examine the function of the FN-C60 interfacial layer, polymer solar cells were fabricated with blends of P3:PC71BM, HXS-1:PC71BM, PDFCDTBT:PC7...

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Bibliographic Details
Published in:ACS applied materials & interfaces 2013-08, Vol.5 (16), p.8076-8080
Main Authors: Mei, Qiang, Li, Cuihong, Gong, Xue, Lu, Heng, Jin, Enquan, Du, Chun, Lu, Zhen, Jiang, Li, Meng, Xiangyue, Wang, Chunru, Bo, Zhishan
Format: Article
Language:English
Subjects:
Alcohols - chemistry
Electric Power Supplies
Electrodes
Fullerenes - chemistry
Polymers - chemistry
Solar Energy
Solvents - chemistry
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Summary:Alcohol soluble fullerene derivative (FN-C60) has been synthesized and used as a cathode interfacial layer for high-efficiency polymer solar cells (PSCs). To examine the function of the FN-C60 interfacial layer, polymer solar cells were fabricated with blends of P3:PC71BM, HXS-1:PC71BM, PDFCDTBT:PC71BM, and PDPQTBT:PC71BM as the active layer. In comparison to the bare Al electrode, power conversion efficiencies (PCEs) of P3:PC71BM, HXS-1:PC71BM, PDFCDTBT:PC71BM, and PDPQTBT:PC71BM based PSCs were increased from 3.50 to 4.64%, 4.69 to 5.25%, 2.70 to 4.60%, and 1.52 to 2.29%, respectively, when FN-C60/Al was used as the electrode. Moreover, the overall photovoltaic performances of PSCs with the FN-C60/Al electrode were better than those of cells with LiF/Al electrode, indicating that FN-C60 is a potential interfacial layer material to replace LiF.
ISSN:1944-8244
1944-8252
DOI:10.1021/am402157b