Mixed donor-acceptor molecular heterojunctions for photovoltaic applications. II. Device performance
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- Jiangeng Xue
- Department of Electrical Engineering and Princeton Institute for the Science and Technology of Materials (PRISM) , , Princeton, New Jersey 08544
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- Barry P. Rand
- Department of Electrical Engineering and Princeton Institute for the Science and Technology of Materials (PRISM) , , Princeton, New Jersey 08544
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- Soichi Uchida
- Department of Electrical Engineering and Princeton Institute for the Science and Technology of Materials (PRISM) , , Princeton, New Jersey 08544
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- Stephen R. Forrest
- Department of Electrical Engineering and Princeton Institute for the Science and Technology of Materials (PRISM) , , Princeton, New Jersey 08544
書誌事項
- 公開日
- 2005-12-15
- DOI
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- 10.1063/1.2142073
- 公開者
- AIP Publishing
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説明
<jats:p>We demonstrate efficient organic photovoltaic cells employing a photoactive region composed of a mixed donor-acceptor molecular layer, the properties of which were introduced in the preceding paper (Part I) [Rand et al., J. Appl. Phys. 98, 124902 (2005)]. The hybrid planar-mixed heterojunction (PM-HJ) device architecture consists of a film mixture of donor and acceptor molecules inserted between layers of pure donor and acceptor composition. Using the donor, copper phthalocyanine, and the acceptor, C60, we demonstrate a hybrid PM-HJ cell with a maximum power conversion efficiency of (5.0±0.3)% under 1–4suns simulated AM1.5 solar illumination. The current-voltage characteristics of the PM-HJ cell are described using a model based on the field-dependent charge collection length.</jats:p>
収録刊行物
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- Journal of Applied Physics
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Journal of Applied Physics 98 (12), 124903-, 2005-12-15
AIP Publishing