Progress in the Efficiency of Wide-Gap Cu(In1-xGax)Se2 Solar Cells Using CIGSe Layers Grown in Water Vapor
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概要
- 論文の詳細を見る
Progress in the performance of wide-gap Cu(In1-xGax)Se2 (CIGSe) solar cells for $x$ values around 0.5 has been demonstrated using CIGSe layers grown in the presence of water vapor. While CIGSe thin films deposited in the presence of water vapor showed variations in electrical properties such as increases in hole carrier density and a consequent enhancement of $ p$-type conductivity, no significant changes in the morphology and growth orientation were observed. Both the open circuit voltages and current densities of the CIGSe solar cells were improved using CIGSe layers grown in water vapor. An 18.1%-efficient cell with an open circuit voltage of 0.744 V, a current density of 32.4 mA/cm2 and a fill factor of 0.752 was fabricated from a 1.3 eV-CIGSe ($x \sim 0.48$) layer.
- INSTITUTE OF PURE AND APPLIED PHYSICSの論文
- 2005-05-10
著者
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YAMADA Akimasa
National Institute of Advanced Industrial and Science Technology
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SAKURAI Keiichiro
National Institute of Advanced Industrial and Science Technology
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MATSUBARA Koji
National Institute of Advanced Industrial and Science Technology
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NIKI Shigeru
National Institute of Advanced Industrial and Science Technology
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NAKAMURA Satoshi
Tokyo Medical and Dental University
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SHIBATA Hajime
National Institute of Advanced Industrial Science and Technology
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YONEMURA Minoru
Tokyo University of Science
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NAKANISHI Hisayuki
Tokyo University of Science
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KOJIMA Takeshi
National Institute of Advanced Industrial Science and Technology (AIST)
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Ishizuka Shogo
National Inst. Advanced Industrial Sci. And Technol. (aist) Ibaraki Jpn
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Kojima Takeshi
National Institute of Advanced Industrial Science and Technology (AIST), 1-1-1 Umezono, Tsukuba, Ibaraki 305-8568, Japan
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Sakurai Keiichiro
National Institute of Advanced Industrial Science and Technology (AIST), 1-1-1 Umezono, Tsukuba, Ibaraki 305-8568, Japan
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Yamada Akimasa
National Institute of Advanced Industrial Science and Technology (AIST), 1-1-1 Umezono, Tsukuba, Ibaraki 305-8568, Japan
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Niki Shigeru
National Institute of Advanced Industrial Science and Technology (AIST), 1-1-1 Umezono, Tsukuba, Ibaraki 305-8568, Japan
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