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Organic photovoltaic devices with a crosslinkable polymer interlayer

Authors
Kang, Nam SuJu, Byeong-KwonLee, Tae WanChoi, Dong HoonHong, Jae-MinYu, Jae-Woong
Issue Date
10월-2011
Publisher
ELSEVIER SCIENCE BV
Keywords
Organic photovoltaic; Polymer solar cell; Curable interlayer; Current extraction; Fill factor
Citation
SOLAR ENERGY MATERIALS AND SOLAR CELLS, v.95, no.10, pp.2831 - 2836
Indexed
SCIE
SCOPUS
Journal Title
SOLAR ENERGY MATERIALS AND SOLAR CELLS
Volume
95
Number
10
Start Page
2831
End Page
2836
URI
https://scholar.korea.ac.kr/handle/2021.sw.korea/111404
DOI
10.1016/j.solmat.2011.05.044
ISSN
0927-0248
Abstract
Organic photovoltaic devices with a photo-crosslinkable interlayer were fabricated. This photo-crosslinkable interlayer acted as a leakage current reducing buffer layer. The performance of the small area OPV cell (0.04 cm(2)) was enhanced by the increase in the short circuit current and the fill factor. When a larger area cell (1 cm(2)) was used, the performance of OPV cell increased when the appropriate interlayer thickness was used. In the case of a 10 cm x 10 cm module, the power conversion efficiency was about double than that without the interlayer. The insertion of the interlayer increased the current extraction by lowering the barrier height and attenuated the fill factor reduction by enhancing the rectification with a better leakage current sealing. From this study, it is clearly proved that the insertion of the appropriate photo-crosslinkable layer improves the performance of OPV devices, the effect was especially evident for large area cells. (C) 2011 Elsevier B.V. All rights reserved.
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Ju, Byeong kwon
공과대학 (전기전자공학부)
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