发明申请
- 专利标题: SUBSTRATE FOR PHOTOELECTRIC CONVERSION DEVICE, PHOTOELECTRIC CONVERSION DEVICE USING THE SUBSTRATE, AND METHOD FOR PRODUCING THE SUBSTRATE AND DEVICE
- 专利标题(中): 光电转换装置用基板,使用该基板的光电转换装置及其制造方法
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申请号: US13634971申请日: 2010-03-31
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公开(公告)号: US20130000721A1公开(公告)日: 2013-01-03
- 发明人: Yoshiyuki Nasuno , Kazuhito Nishimura , Hiroki Tanimura , Kei Kajihara
- 申请人: Yoshiyuki Nasuno , Kazuhito Nishimura , Hiroki Tanimura , Kei Kajihara
- 优先权: JP2010-057697 20100315; JP2010-057698 20100315
- 国际申请: PCT/JP2010/055931 WO 20100331
- 主分类号: H01L31/0236
- IPC分类号: H01L31/0236 ; H01L31/18
摘要:
A photoelectric conversion device includes a substrate and a transparent, electrically conductive film covering at least a portion of a major surface of the substrate and having an irregular geometry on a surface thereof closer to a semiconductor layer. Furthermore, the photoelectric conversion device includes a first conduction type semiconductor layer covering at least a portion of the irregular geometry of the transparent, electrically conductive film, and a light absorption layer covering the first conduction type semiconductor layer. The irregular geometry has a bump having a maximum height equal to or larger than 50 nm and equal to or smaller than 1200 nm. The bump has a surface having a submicron recess having local peaks having a spacing equal to or larger than 2 nm and equal to or smaller than 25 nm.
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