发明名称 |
SOLAR CELL ELEMENT MANUFACTURING METHOD, SOLAR CELL ELEMENT, AND SOLAR CELL MODULE |
摘要 |
A method for manufacturing a solar cell element is disclosed. The method includes two different etching processes followed by forming a semiconductor layer. A semiconductor substrate having a first conductor type is etched by using a first acid aqueous solution containing hydrofluoric acid, nitric acid, and sulfuric acid. Then, the semiconductor substrate is etched by using a second acid aqueous solution containing hydrofluoric acid and nitric acid with substantially no sulfuric acid to make an uneven surface. A semiconductor layer of second conductivity type different from the first conductivity type is formed on at least a part of the uneven surface of the semiconductor substrate. |
申请公布号 |
US2014000675(A1) |
申请公布日期 |
2014.01.02 |
申请号 |
US201213982230 |
申请日期 |
2012.01.27 |
申请人 |
KOMODA MANABU;OKADA YASUHIRO;NAGOU YUUSUKE;ITO TAKESHI;NAKAMURA HITOHIKO;KYOCERA CORPORATION |
发明人 |
KOMODA MANABU;OKADA YASUHIRO;NAGOU YUUSUKE;ITO TAKESHI;NAKAMURA HITOHIKO |
分类号 |
H01L31/0352 |
主分类号 |
H01L31/0352 |
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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