Chemical-Bath-Deposited ZnO and Mg(OH)2 Buffer Layer for Cu(InGa)Se2 Solar Cells
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概要
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ZnO and Mg(OH)2 thin films were grown by chemical bath deposition (CBD) and applied to the fabrication of Cu(InGa)(SSe)2 (CIGSSe) solar cells. From the X-ray diffraction (XRD) measurements, the CBD-ZnO film was preferentially oriented toward the (002) plane and the CBD-Mg(OH)2 film was oriented toward the (001) plane. The optical and electrical properties of CBD-ZnO and CBD-Mg(OH)2 thin films on a fused silica substrate were investigated and it was found that the films showed a high resistivity and a high transmittance in the visible light wavelength regions. A cell efficiency of 14.3% ($V_{\text{oc}}$: 557 mV, $J_{\text{sc}}$: 35.5 mA/cm2, F.F.: 0.721) was achieved using a CBD-ZnO buffer layer.
- 2006-04-15
著者
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Miyazaki Hisashi
Department Of Applied Physics Osaka City University
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Konagai Makoto
Department Of Electrical & Electronic Engineering Tokyo Institute Of Technology
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Mikami Rui
Department Of Physical Electronics Tokyo Institute Of Technology
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Yamada Akira
Research Center For Quantum Effect Electronics Tokyo Institute Of Technology
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