| 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].Optoelectronics Letters,2012,8(5):336-339 |
| High efficiency bulk heterojunction organic solar cell by using high conductivity modified PEDOT: PSS as a buffer layer |
| Author Name | Affiliation | | Deng Zhen-bo | Key Laboratory of Luminescence and Optical Information, Ministry of Education, Institute of Optoelectronic Technology,
Beijing Jiaotong University, Beijing 100044, China | | Chen Zheng | Key Laboratory of Luminescence and Optical Information, Ministry of Education, Institute of Optoelectronic Technology,
Beijing Jiaotong University, Beijing 100044, China | | Wu Hui | Key Laboratory of Luminescence and Optical Information, Ministry of Education, Institute of Optoelectronic Technology,
Beijing Jiaotong University, Beijing 100044, China | | Lü Zhao-yue | Department of Physics, School of Science, East China University of Science & Technology, Shanghai 200237, China | | Du Hai-liang | Key Laboratory of Luminescence and Optical Information, Ministry of Education, Institute of Optoelectronic Technology,
Beijing Jiaotong University, Beijing 100044, China | | Zou Ye | Key Laboratory of Luminescence and Optical Information, Ministry of Education, Institute of Optoelectronic Technology,
Beijing Jiaotong University, Beijing 100044, China | | Zhang Guo-liang | Key Laboratory of Luminescence and Optical Information, Ministry of Education, Institute of Optoelectronic Technology,
Beijing Jiaotong University, Beijing 100044, China | | Zhou Mao-yang | Key Laboratory of Luminescence and Optical Information, Ministry of Education, Institute of Optoelectronic Technology,
Beijing Jiaotong University, Beijing 100044, China |
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| 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% DMSO-modified-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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| This work has been supported by the National Natural Science Foundation of China (Nos.60977027 and 60825407), the Fundamental Research Funds for the Central Universities (No.2010JBZ003), and the Beijing Municipal Science & Technology Commission (No.Z090803044009001). |
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