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The photovoltaic effect of the p-n heterojunction organic photovoltaic device using a nano template method

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Authors
Oh, Seung-Won; Rhee, Hee Woo; Lee, Changhee; Kim, Jai Kyeong; Kim, Young Chul; Yu, Jae-Woong
Issue Date
2005
Publisher
Elsevier
Citation
Curr. Appl. Phys. 5 (2005) 55
Keywords
Organic photovoltaicTemplate methodNano structurePolypyrrolePoly(3-hexylthiophene)
Abstract
Characteristics of ITO/polypyrrole (PPy) nano fibers/poly(3-hexylthiophene)/Al photovoltaic devices prepared by nano template method were studied. PPy nano fibers on ITO glass were formed through nano pores of polymer membrane template using home made special sample holder by electrochemical polymerization in an electrolyte solution of pyrrole and lithium perchlorate as a dopant in acetonitrile. Ordered structure with enhanced interfacial area formed by nano template method enable to fabricate polymeric photovoltaic device with improved photo-conversion efficiency. This nano fiber structures film possesses increased interfacial area, large charge separation area (photoactive zone) and secured charge transportation route. The effect of altering energy levels of PPy by changing doped state was also studied. Device made with nano fiber structure showed enhanced photovoltaic effect than that of overlayed film device.
ISSN
1567-1739
Language
English
URI
http://hdl.handle.net/10371/13850
DOI
https://doi.org/10.1016/j.cap.2003.11.079
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College of Engineering/Engineering Practice School (공과대학/대학원)Dept. of Electrical and Computer Engineering (전기·정보공학부)Journal Papers (저널논문_전기·정보공학부)
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