| 发明名称 |
Solar cell and manufacturing method thereof |
| 摘要 |
<p>A solar cell comprises a crystalline Si substrate (1) of first type conductivity; a diffusion layer (2) of second type conductivity formed on a first main surface side of said substrate; an Si1-xGex (0 < x </= 1) alloy layer (4, 4a) formed on a second main surface side of said substrate; and an intermediate semiconductor layer (6, 6a) formed in at least part of a region along a boundary between said Si substrate and said Si1-xGex alloy layer. The intermediate semiconductor layer has an intermediate refractive index smaller than that of Si and has an energy bandgap larger than the energy bandgap of said Si1-xGex. <IMAGE></p> |
| 申请公布号 |
EP0747972(B1) |
申请公布日期 |
2002.11.27 |
| 申请号 |
EP19960304097 |
申请日期 |
1996.06.05 |
| 申请人 |
SHARP KABUSHIKI KAISHA |
发明人 |
NAKAMURA, KAZUYO;HISAMATSU, TADASHI |
| 分类号 |
H01L31/04;H01L31/0312;H01L31/052;H01L31/06;H01L31/077;H01L31/18;(IPC1-7):H01L31/075;H01L31/031;H01L31/072 |
主分类号 |
H01L31/04 |
| 代理机构 |
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代理人 |
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