发明名称 |
Multijunction photovoltaic cell fabrication |
摘要 |
A method for fabrication of a multijunction photovoltaic (PV) cell includes providing a stack comprising a plurality of junctions on a substrate, each of the plurality of junctions having a respective bandgap, wherein the plurality of junctions are ordered from the junction having the smallest bandgap being located on the substrate to the junction having the largest bandgap being located on top of the stack; forming a top metal layer, the top metal layer having a tensile stress, on top of the junction having the largest bandgap; adhering a top flexible substrate to the metal layer; and spalling a semiconductor layer from the substrate at a fracture in the substrate, wherein the fracture is formed in response to the tensile stress in the top metal layer. |
申请公布号 |
US8703521(B2) |
申请公布日期 |
2014.04.22 |
申请号 |
US20100713581 |
申请日期 |
2010.02.26 |
申请人 |
BEDELL STEPHEN W.;SOSA CORTES NORMA;FOGEL KEITH E.;SADANA DEVENDRA;SHAHRJERDI DAVOOD;INTERNATIONAL BUSINESS MACHINES CORPORATION |
发明人 |
BEDELL STEPHEN W.;SOSA CORTES NORMA;FOGEL KEITH E.;SADANA DEVENDRA;SHAHRJERDI DAVOOD |
分类号 |
H01L21/00;H01L21/30;H01L21/46 |
主分类号 |
H01L21/00 |
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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