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

DENG Zhen-bo; CHEN Zheng; WU Hui; Lü Zhao-yue; DU Hai-liang; ZOU Ye; ZHANG Guo-liang; ZHOU Mao-yang

doi:doi:10.1007/s11801-012-2242-5

光电子快报（英文版）, 2012, 8 (5): 336, Published Online: Jul. 12, 2017

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

论文大纲

DENG Zhen-bo ^1,*CHEN Zheng ¹WU Hui ¹Lü Zhao-yue ²DU Hai-liang ¹ZOU Ye ¹ZHANG Guo-liang ¹ZHOU Mao-yang ¹

Author Affiliations

¹ Key Laboratory of Luminescence and Optical Information, Ministry of Education, Institute of Optoelectronic Technology,Beijing Jiaotong University, Beijing 100044, China

² Department of Physics, School of Science, East China University of Science & Technology, Shanghai 200237, China

Abstract

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/cm2 and filling factor (FF) of 40.34%.

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DENG Zhen-bo, CHEN Zheng, WU Hui, Lü Zhao-yue, DU Hai-liang, ZOU Ye, ZHANG Guo-liang, ZHOU Mao-yang. High efficiency bulk heterojunction organic solar cell by using high conductivity modified PEDOT: PSS as a buffer layer[J]. 光电子快报（英文版）, 2012, 8(5): 336.

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

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