发明授权
- 专利标题: Light transmission type solar cell and method for producing the same
- 专利标题(中): 透光型太阳能电池及其制造方法
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申请号: US12700063申请日: 2010-02-04
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公开(公告)号: US09136405B2公开(公告)日: 2015-09-15
- 发明人: Eishi Tsutsumi , Kumi Masunaga , Ryota Kitagawa , Tsutomu Nakanishi , Akira Fujimoto , Hideyuki Nishizawa , Koji Asakawa
- 申请人: Eishi Tsutsumi , Kumi Masunaga , Ryota Kitagawa , Tsutomu Nakanishi , Akira Fujimoto , Hideyuki Nishizawa , Koji Asakawa
- 申请人地址: JP Tokyo
- 专利权人: KABUSHIKI KAISHA TOSHIBA
- 当前专利权人: KABUSHIKI KAISHA TOSHIBA
- 当前专利权人地址: JP Tokyo
- 代理机构: Oblon, McClelland, Maier & Neustadt, L.L.P.
- 优先权: JP2009-066169 20090318
- 主分类号: H01L31/00
- IPC分类号: H01L31/00 ; H01L31/18 ; H01L31/0224 ; H01L31/0392 ; H01L31/075
摘要:
The present invention provides a light transmission type solar cell excellent in both power generation efficiency and light transparency, and also provides a method for producing that solar cell. The solar cell of the present invention comprises a photoelectric conversion layer, a light-incident side electrode layer, and a counter electrode layer. The incident side electrode layer is provided with plural openings bored through the layer, and has a thickness of 10 nm to 200 nm. Each of the openings occupies an area of 80 nm2 to 0.8 μm2, and the opening ratio is in the range of 10% to 66%. The transmittance of the whole cell is 5% or more at 700 nm wavelength. The incident side electrode layer can be formed by etching fabrication with a stamper. In the etching fabrication, a mono-particle layer of fine particles or a dot pattern formed by self-assembled block copolymer can be used as a mask.
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