Top Light-Harvesting Organic Solar Cell Using Ultrathin Ag/MgAg Layer as Anode
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概要
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We fabricate a top light-harvesting organic solar cell (TL-OSC) with a Si substrate/SiO2 layer/cathode/organic layer/semitransparent metal anode structure. We obtain power conversion efficiency ($\eta_{\text{p}}$) comparable to that of conventional bottom-type OSCs. To harvest light from a top anode, we use a 1 nm Ag layer/4 nm MgAg layer having a transmittance of 55–80% in the visible and near-infrared regions. We also insert an ultrathin molybdenum oxide (MoO3) layer at the cathode/organic layer interface to increase hole collection efficiency from the organic layer into the cathode.
- 2007-04-15
著者
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Adachi Chihaya
Department Of Functional Polymer Science Faculty Of Textile Science And Technology Shinshu Universit
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Sasabe Hiroyuki
Department Of Drug Metabolism Tokushima Research Institute Otsuka Pharmaceutical Co. Ltd.
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Oyamada Takahito
Department Of Photonics Materials Science Chitose Institute Of Science And Technology (cist)
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Sugawara Yuhsuke
Department of Photonics Materials Science, Chitose Institute of Science and Technology (CIST), 758-65 Bibi, Chitose, Hokkaido 066-8655, Japan
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Terao Yuhki
Corporate Research and Development Laboratories, Pioneer Corp., 6-1-1 Fujimi, Tsurugashima, Saitama 350-2288, Japan
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