期刊
ACS APPLIED MATERIALS & INTERFACES
卷 5, 期 22, 页码 11530-11534出版社
AMER CHEMICAL SOC
DOI: 10.1021/am4046475
关键词
ZnO nanoparticle; hybrid solar cell; DMF-modulated PEDOT:PSS
资金
- National Research Foundation of Korea (NRF)
- Korean Ministry of Education, Science and Technology (MEST) [2011-0028819]
In this study, we investigated hybrid bulk heterojunction organic solar cells containing ZnO nanoparticles blended with poly(3-hexylthiophene) (P3HT) and phenyl-C-61-butyric acid methyl ester (PCBM) and having poly(3,4-ethylenedioxythiophene) poly(styrenesulfonate) (PEDOT:PSS) or N,N-dimethylformamide (DMF)-modulated PEDOT:PSS buffer layers. The reference cell, which had a P3HT:PCBM active layer sandwiched between ITO\PEDOT:PSS and LiF\Al electrodes, exhibited an efficiency of 1.55%. The ZnO nanoparticle-doped active layer (ITO\PEDOT:PSS(DMF) \ZnO:P3HT:PCBM\LiF \Al) exhibited a higher efficiency of 3.39% due to the modulated PEDOT:PSS buffer layer with low resistivity and the hybrid active layer containing ZnO nanoparticles. Here, we demonstrate that the low resistivity of the PEDOT:PSS layer can improve the J(sc) value of hybrid solar cells, and ZnO nanoparticles can enhance the V-oc value of organic solar cells.
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