Fabrication of Nonpolar a-Plane Nitride-Based Solar Cell on r-Plane Sapphire Substrate
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作者:
Nakao, Tatsuro
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Meijo Univ, Fac Sci & Technol, Nagoya, Aichi 4688502, JapanMeijo Univ, Fac Sci & Technol, Nagoya, Aichi 4688502, Japan
Nakao, Tatsuro
[1
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Fujii, Takahiro
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Meijo Univ, Fac Sci & Technol, Nagoya, Aichi 4688502, JapanMeijo Univ, Fac Sci & Technol, Nagoya, Aichi 4688502, Japan
Fujii, Takahiro
[1
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Sugiyama, Toru
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Meijo Univ, Fac Sci & Technol, Nagoya, Aichi 4688502, JapanMeijo Univ, Fac Sci & Technol, Nagoya, Aichi 4688502, Japan
Sugiyama, Toru
[1
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Yamamoto, Shota
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Meijo Univ, Fac Sci & Technol, Nagoya, Aichi 4688502, JapanMeijo Univ, Fac Sci & Technol, Nagoya, Aichi 4688502, Japan
Yamamoto, Shota
[1
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Iida, Daisuke
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Meijo Univ, Fac Sci & Technol, Nagoya, Aichi 4688502, JapanMeijo Univ, Fac Sci & Technol, Nagoya, Aichi 4688502, Japan
Iida, Daisuke
[1
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Iwaya, Motoaki
[1
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Takeuchi, Tetsuya
[1
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Kamiyama, Satoshi
[1
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Akasaki, Isamu
[1
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Amano, Hiroshi
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Nagoya Univ, Grad Sch Engn, Nagoya, Aichi 4648603, Japan
Nagoya Univ, Akasaki Res Ctr, Nagoya, Aichi 4648603, JapanMeijo Univ, Fac Sci & Technol, Nagoya, Aichi 4688502, Japan
Amano, Hiroshi
[2
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机构:
[1] Meijo Univ, Fac Sci & Technol, Nagoya, Aichi 4688502, Japan
[2] Nagoya Univ, Grad Sch Engn, Nagoya, Aichi 4648603, Japan
[3] Nagoya Univ, Akasaki Res Ctr, Nagoya, Aichi 4648603, Japan
We fabricated and characterized a nonpolar a-plane nitride-based solar cell on an r-plane sapphire substrate. The maximum external quantum efficiency of the solar cell reached 62% at a wavelength of approximately 400 nm. The open-circuit voltage, the short-circuit current density, and the fill factor of the solar cell were 0.9V, 4.8 mA/cm(2), and 57%, respectively. A conversion efficiency of 1.6% was obtained from the solar cell under a solar simulator of air mass 1.5G and an irradiation intensity of 155mW/cm(2) at room temperature. (C) 2011 The Japan Society of Applied Physics