发明名称 |
Silicon wafer based structure for heterostructure solar cells |
摘要 |
A multi-junction photovoltaic device includes a silicon substrate and a dielectric layer formed on the silicon substrate. A germanium layer is formed on the dielectric layer. The germanium includes a crystalline structure that is substantially similar to the crystalline structure of the silicon substrate. A first photovoltaic sub-cell includes a first plurality of doped semiconductor layers formed on the germanium layer. At least a second photovoltaic sub-cell includes a second plurality of doped semiconductor layers formed on the first photovoltaic sub-cell that is on the germanium layer that is on the dielectric layer.
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申请公布号 |
US8119904(B2) |
申请公布日期 |
2012.02.21 |
申请号 |
US20090533453 |
申请日期 |
2009.07.31 |
申请人 |
GUHA SUPRATIK;HOVEL HAROLD J.;INTERNATIONAL BUSINESS MACHINES CORPORATION |
发明人 |
GUHA SUPRATIK;HOVEL HAROLD J. |
分类号 |
H01L31/0368;H01L31/18 |
主分类号 |
H01L31/0368 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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