JP6046661B2 - 太陽電池、その製造方法及び太陽電池の不純物部形成方法 - Google Patents
太陽電池、その製造方法及び太陽電池の不純物部形成方法 Download PDFInfo
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- JBQYATWDVHIOAR-UHFFFAOYSA-N tellanylidenegermanium Chemical compound [Te]=[Ge] JBQYATWDVHIOAR-UHFFFAOYSA-N 0.000 description 2
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- H01L31/04—Semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof adapted as photovoltaic [PV] conversion devices
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- H01L31/02—Details
- H01L31/0224—Electrodes
- H01L31/022408—Electrodes for devices characterised by at least one potential jump barrier or surface barrier
- H01L31/022425—Electrodes for devices characterised by at least one potential jump barrier or surface barrier for solar cells
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- H01L31/04—Semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof adapted as photovoltaic [PV] conversion devices
- H01L31/06—Semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof adapted as photovoltaic [PV] conversion devices characterised by potential barriers
- H01L31/068—Semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof adapted as photovoltaic [PV] conversion devices characterised by potential barriers the potential barriers being only of the PN homojunction type, e.g. bulk silicon PN homojunction solar cells or thin film polycrystalline silicon PN homojunction solar cells
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- H01L31/04—Semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof adapted as photovoltaic [PV] conversion devices
- H01L31/06—Semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof adapted as photovoltaic [PV] conversion devices characterised by potential barriers
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- H01L31/0682—Semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof adapted as photovoltaic [PV] conversion devices characterised by potential barriers the potential barriers being only of the PN homojunction type, e.g. bulk silicon PN homojunction solar cells or thin film polycrystalline silicon PN homojunction solar cells back-junction, i.e. rearside emitter, solar cells, e.g. interdigitated base-emitter regions back-junction cells
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- H01L31/18—Processes or apparatus specially adapted for the manufacture or treatment of these devices or of parts thereof
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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Description
Claims (6)
- 第1導電型の基板の後面に前記第1導電型と反対の第2導電型の不純物を含む第1ドーピング用不純物部と前記第1導電型の不純物を含み前記第1ドーピング用不純物部と離隔される第2ドーピング用不純物部を部分的に形成する段階と、
前記基板を熱処理し、前記第1ドーピング用不純物部が位置した前記基板の前記後面の部分に第1不純物部を形成し、前記第2ドーピング用不純物部が位置した前記基板の前記後面の部分に第2不純物部を形成する段階と、
前記第1ドーピング用不純物部の中央領域にレーザビームを照射し前記第1不純物部のドーピング濃度より高いドーピング濃度を有する第1高濃度不純物部を前記第1不純物部の中央領域に形成し、前記第2ドーピング用不純物部の中央領域にレーザを照射し前記第2不純物部のドーピング濃度よりさらに高いドーピング濃度を有する第2高濃度不純物部を前記第2不純物部の中央領域に形成する段階を含む段階と、
前記基板の前記後面に位置し前記第1高濃度不純物部と接続され前記第1高濃度不純物部の上に位置する第1電極と前記第2高濃度不純物部と接続され前記第2高濃度不純物部の上に位置する第2電極を形成する段階と
を含み、
前記第1高濃度不純物部は前記第1不純物部により包んで形成され、前記第2高濃度不純物部は、前記第2不純物部により包んで形成され、
前記第1不純物部と前記第2不純物部が同時に形成される、太陽電池の製造方法。 - 前記第1高濃度不純物部と前記第2高濃度不純物部は同時に形成される、請求項1記載の太陽電池の製造方法。
- 前記第1高濃度不純物部の不純物ドーピングの厚さは前記第1不純物部の不純物ドーピングの厚さより薄く、前記第2高濃度不純物部の不純物ドーピングの厚さは前記第2不純物部の不純物ドーピングの厚さより薄い、請求項1記載の太陽電池の製造方法。
- 前記第1高濃度不純物部及び前記第2高濃度不純物部の不純物の内の少なくとも1つは前記基板の後面から0.2μm乃至2.0μmの不純物ドーピングの厚さを有する、請求項3記載の太陽電池の製造方法。
- 前記第1高濃度不純物部の面抵抗は前記第1不純物部の面抵抗より小さく、前記第2高濃度不純物部の面抵抗は前記第2不純物部の面抵抗より小さい、請求項1記載の太陽電池の製造方法。
- 前記第1高濃度不純物部及び前記第2高濃度不純物部の内の少なくとも1つは20Ω/cm2乃至100Ω/cm2の面抵抗を有する、請求項5記載の太陽電池の製造方法。
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KR1020090020533A KR101145928B1 (ko) | 2009-03-11 | 2009-03-11 | 태양 전지 및 태양 전지의 제조 방법 |
KR10-2009-0020533 | 2009-03-11 |
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JP2014109773A Active JP6046661B2 (ja) | 2009-03-11 | 2014-05-28 | 太陽電池、その製造方法及び太陽電池の不純物部形成方法 |
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US (2) | US8012531B2 (ja) |
EP (1) | EP2371005A4 (ja) |
JP (2) | JP2012517099A (ja) |
KR (1) | KR101145928B1 (ja) |
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KR20100102255A (ko) | 2010-09-24 |
CN103762270A (zh) | 2014-04-30 |
JP2014179649A (ja) | 2014-09-25 |
US8012531B2 (en) | 2011-09-06 |
US20110265864A1 (en) | 2011-11-03 |
JP2012517099A (ja) | 2012-07-26 |
KR101145928B1 (ko) | 2012-05-15 |
WO2010104340A2 (en) | 2010-09-16 |
CN102292818A (zh) | 2011-12-21 |
US20100229925A1 (en) | 2010-09-16 |
CN103762270B (zh) | 2016-08-17 |
WO2010104340A3 (en) | 2010-11-25 |
EP2371005A4 (en) | 2012-08-29 |
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