Efficiency enhancement of polymer solar cells by incorporating a self-assembled layer of silver nanodisks |
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Authors: | Jianing PeiJinlong Tao Yinhua ZhouQingfeng Dong Zhaoyang LiuZaifang Li Feipeng ChenJibo Zhang Weiqing XuWenjing Tian |
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Affiliation: | State Key Laboratory of Supramolecular Structure and Materials, Jilin University, Changchun 130012, PR China |
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Abstract: | We report the efficiency enhancement of polymer solar cells by incorporating a silver nanodisks' self-assembled layer, which was grown on the indium tin oxide (ITO) surface by the electrostatic interaction between the silver particles and modified ITO. Polymer solar cells with a structure of ITO (with silver nanodisks)/poly(3,4-ethylenedioxythiophene):poly(styrene sulfonate) (PEDOT:PSS) (Clevious P VP AI 4083)/poly(3-hexylthiophene):[6,6]-phenyl-C61 butyric acid methyl ester (P3HT:PC61BM)/LiF/Al exhibited an open circuit voltage (VOC) of 0.61±0.01 V, short-circuit current density (JSC) of 9.24±0.09 mA/cm2, a fill factor (FF) of 0.60±0.01, and power conversion efficiency (PCE) of 3.46±0.07% under one sun of simulated air mass 1.5 global (AM1.5G) irradiation (100 mW/cm2). The PCE was increased from 2.72±0.08% of the devices without silver nanodisks to 3.46±0.07%, mainly from the improved photocurrent density as a result of the excited localized surface plasmon resonance (LSPR) induced by the silver nanodisks. |
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Keywords: | Polymer solar cell Silver nanodisks Localized surface plasmon resonance |
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