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High efficiency bulk heterojunction organic solar cell by using high conductivity modified PEDOT:PSS as a buffer layer 被引量:4

High efficiency bulk heterojunction organic solar cell by using high conductivity modified PEDOT:PSS as a buffer layer
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摘要 In this paper,bulk heterojunction solar cells with poly-(3-hexylthiophene)(P3HT):[6,6]-phenyl-C61-butyric-acid-methylester(PCBM) as an active layer and modified poly(3,4-ethylenedioxythiophene):poly(styrenesulfonate)(PEDOT:PSS) as a buffer layer are fabricated.The buffer layer is modified by adding 1% to 5% dimethyl sulfoxide(DMSO) into PEDOT:PSS solution before spin-coating.The conductivity of modified PEDOT:PSS and the performance of solar cells with modified PEDOT:PSS are measured.The highest conductivity of modified PEDOT:PSS with 4% DMSO can achieve 89.693 S/cm.The performance of organic solar cell with PEDOT:PSS modified by 4% DMSO is the best.The 4% DMSOmodified-PEDOT:PSS cell has a power conversion efficiency of 3.34%,V oc of 5.7 V,J sc of 14.56 mA/cm 2 and filling factor(FF) of 40.34%.
出处 《Optoelectronics Letters》 EI 2012年第5期336-339,共4页 光电子快报(英文版)
基金 supported by the National Natural Science Foundation of China (Nos.60977027 and 60825407) the Fundamental Research Funds for the Central Universities (No.2010JBZ003) the Beijing Municipal Science & Technology Commission (No.Z090803044009001)
关键词 Buffer layers Butyric acid Conversion efficiency Dimethyl sulfoxide Fatty acids HETEROJUNCTIONS Organic solvents Solar cells 有机太阳能电池 PEDOT PSS 缓冲层 异质结 改性 高导电性 本体
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同被引文献58

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