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Fabrication and characterization of cuprous oxide: fullerene solar cells |
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| Authors: | Ryosuke Motoyoshi Takeo Oku Atsushi Suzuki Kenji Kikuchi Shiomi Kikuchi Balachandran Jeyadevan Jhon Cuya |
| Affiliation: | 1. Department of Materials Science, The University of Shiga Prefecture, 2500 Hassaka, Hikone, Shiga 522-8533, Japan;2. Graduate School of Environmental Studies, Tohoku University, 6-6-20 Aoba, Aramaki, Aoba-ku, Sendai 980-8579, Japan |
| Abstract: | Cuprous oxide (Cu2O)-based solar cells with fullerene (C60) were fabricated on indium tin oxide (ITO) by a spin-coating method. The microstructure and cell performance of the solar cells with the Cu2O:C60 structure was investigated. A photovoltaic device based on an ITO/Cu2O:C60 bulk heterojunction structure fabricated by the spin-coating method provided short-circuit current density of 0.11 mA cm?2 and open-circuit voltage of 0.17 V under an Air Mass 1.5 illumination. The microstructures of the Cu2O active layer were examined by using X-ray diffraction and transmission electron microscopy. The energy levels of the present solar cells are also discussed. |
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