Flexible inverted polymer solar cells containing an amorphous titanium oxide electron collection electrode
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An inverted polymer solar cell was fabricated on a polyethylene terephthalate (PET) substrate. The cell structure was ITO/amorphous titanium oxide (TiOx)/[6,6]-phenyl C61 butyric acid methyl ester (PCBM): regioregular poly(3-hexylthiophene) (P3HT)/poly(3,4-ethylenedioxylenethiophene):poly(4-styrene sulfonic acid) (PEDOT:PSS)/Au (TiOx cell). It was achieved using low boiling point diethyl amine (DEA) as a Ti4+ complexing agent, and high boiling point 1,2,3,4-tetrahydronaphthalene (Tetralin) containing 2 vol.% 1,8-octanedithiol (ODT) as the solvent for PCBM:P3HT film preparation. With heat treatment at 100°C, the use of DEA and Tetralin:ODT made it possible to prepare a TiOx electron collection layer and PCBM:P3HT photoactive layer, respectively. Fabricating the TiOx cell on the thin PET film was possible, as PET did not warp at 100°C. The power conversion efficiency (PCE) of the TiOx cell fabricated on PET was 2.43%, under AM1.5G conditions. When fabricated on glass, the PCE was 2.76%. When [6,6] diphenyl C62 bis(butyric acid methyl ester) (bis-PCBM) was instead used as the electron acceptor in the photoactive blend layer, the flexible air-stable cell provided a PCE of 2.81%. © 2010 Elsevier B.V.
収録刊行物
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- Organic Electronics: physics, materials, applications
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Organic Electronics: physics, materials, applications 12 (1), 113-118, 2011-01-01
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詳細情報 詳細情報について
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- CRID
- 1050001335945120128
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- NII論文ID
- 120002661937
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- NII書誌ID
- AA11621763
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- ISSN
- 15661199
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- Web Site
- http://hdl.handle.net/2297/25777
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- 本文言語コード
- en
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- 資料種別
- journal article
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- データソース種別
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- IRDB
- CiNii Articles