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MoO3 buffer layer effect on photovoltaic properties of interpenetrating heterojunction type organic solar cells |
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| Authors: | Tetsuro Hori Takeshi Shibata Varutt Kittichungchit Hiroki Moritou Jun Sakai Hitoshi Kubo Akihiko Fujii Masanori Ozaki |
| Affiliation: | aDivision of Electrical, Electronic and Information Engineering, Graduate School of Engineering, Osaka University, 2-1 Yamada-oka, Suita, Osaka 565-0871, Japan;bAdvanced Technologies Development Laboratory, Panasonic Electric Works Co., Ltd., 1048 Kadoma, Kadoma, Osaka 571-8686, Japan |
| Abstract: | Photovoltaic cells, with a conducting polymer/fullerene (C60) interpenetrating heterojunction structure fabricated by spin-coating a conducting polymer onto a C60 thin film, have been investigated and demonstrated a high efficiency as solar cells based on organic materials. The photovoltaic properties of the solar cells with a structure of indium-tin-oxide (ITO)/C60/poly(3-hexylthiophene) (PAT6)/Au have been improved by the insertion of a molybdenum trioxide (VI) (MoO3) layer as a cathode buffer layer. In the solar cells with the structure of ITO/C60/PAT6/MoO3/Au, the energy conversion efficiency has been improved to 1.15% under AM1.5 (100 mW/cm2) illumination. |
| Keywords: | Conducting polymer Fullerene Organic solar cells Molybdenum trioxide Buffer layer |
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