Controlling open-circuit voltage of organic photovoltaic cells by inserting thin layer of Zn-phthalocyanine at pentacene/C60 interface

Yoshiki Kinoshita, Taku Hasobe, Hideyuki Murata

研究成果: Article

14 引用 (Scopus)

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We demonstrate organic photovoltaic cells composed of multi charge-separation (MCS) interfaces in the active layer for the improvement of power conversion efficiency (ηp). The MCS interfaces are composed of pentacene/C60 and Zn-phthalocyanine (ZnPc)/C60 by inserting thin layer of ZnPc at the CS interface between pentacene/C 60. We obtain enhanced ηp and Voc in accordance with the increased energy difference between the lowest unoccupied molecular orbital (LUMO) level of the n-type material (C60) and the HOMO level of the p-type material (ZnPc). By inserting 2nm ZnPc at the interface, both open-circuit voltage (Voc) and short-circuit current density (Jsc) have been improved simultaneously and the resulting ηp reaches 2.07%.

元の言語English
ページ(範囲)1234-1237
ページ数4
ジャーナルJapanese journal of applied physics
47
発行部数2 PART 2
DOI
出版物ステータスPublished - 2008 2 15
外部発表Yes

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ASJC Scopus subject areas

  • Engineering(all)
  • Physics and Astronomy(all)

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