发明名称 |
SOLAR CELLS |
摘要 |
The present invention relates to multicrystalline p-type silicon wafers with high lifetime. The silicon wafers contain 0.2-2.8 ppma boron and 0.06-2.8 ppma phosphorous and/or arsenic and have been subjected to phosphorous diffusion and phosphorous gettering at a temperature of above 925° C. The invention further relates to a method for production of such multicrystalline silicon wafers and to solar cells comprising such silicon wafers. |
申请公布号 |
EP2095405(A2) |
申请公布日期 |
2009.09.02 |
申请号 |
EP20070851981 |
申请日期 |
2007.11.28 |
申请人 |
ELKEM SOLAR AS |
发明人 |
ENEBAKK, ERIK;PETER, KRISTIAN;RAABE, BERND;TRONSTAD, RAGNAR |
分类号 |
H01L21/322;H01L21/223;H01L31/042;H01L31/18 |
主分类号 |
H01L21/322 |
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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