JP2009016712A - 光起電力装置およびその製造方法 - Google Patents
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Abstract
【解決手段】この光起電力装置1は、光電変換層4の表面上に導電性を有する中間層5を介して形成された光電変換層6と、少なくとも中間層5を切断するように形成された開溝部10aと、開溝部10a内の少なくとも中間層5の切断部を覆い、かつ、光電変換層6の上面上に沿って延びるように形成された絶縁部材8と、光電変換層4、中間層5、光電変換層6および絶縁部材8を貫通するとともに、基板側電極3aの表面を露出するように形成された開溝部10bと、基板側電極3aと光電変換層6とを電気的に接続する背面電極9と、背面電極9を電気的に分離するための開溝部10cとを備えている。また、絶縁部材8は、少なくとも開溝部10bの開溝部3cと反対側の領域まで延びるように形成されている。
【選択図】図1
Description
図1は、本発明の第1実施形態による光起電力装置の構成を示した断面図である。まず、図1を参照して、本発明の第1実施形態による光起電力装置1の構成について説明する。
図10は、本発明の第2実施形態による光起電力装置の構成を示した断面図である。図10を参照して、この第2実施形態では、上記第1実施形態と異なり、絶縁部材18が開溝部10cに対応する開溝部20cと開溝部10bに対応する開溝部20bとの間の領域まで延びるように形成した例を説明する。
2 基板
3 基板側電極
3a 基板側電極(第1基板側電極)
3b 基板側電極(第2基板側電極)
3c 開溝部(第1開溝部)
4 光電変換ユニット(第1光電変換層)
4a、5a、6a、7a、8a、10b、20b 開溝部(第3開溝部)
4b、5b、6b、7b、8b、9a、10c、20c 開溝部(第4開溝部)
4c、5c、6c、7c、10a 開溝部(第2開溝部)
5 中間層
6 光電変換ユニット(第2光電変換層)
7 透光性導電層
8、18 絶縁部材
9、19 背面電極
9a 背面電極(第1背面電極)
9b 背面電極(第2背面電極)
Claims (6)
- 絶縁性表面を有する基板と、
前記基板の絶縁性表面上に形成され、第1開溝部により分離された第1基板側電極および第2基板側電極と、
前記第1基板側電極および前記第2基板側電極を覆うように形成された第1光電変換層と、
前記第1光電変換層の表面上に導電性を有する中間層を介して形成された第2光電変換層と、
前記第1基板側電極上の領域において、少なくとも前記中間層を切断するように形成された第2開溝部と、
前記第2開溝部内の少なくとも前記中間層の切断部を覆い、かつ、前記第2光電変換層の上面上に沿って延びるように形成された絶縁部材と、
前記第2開溝部の前記第1開溝部と反対側の領域において、前記第1光電変換層、前記中間層、前記第2光電変換層および前記絶縁部材を貫通するとともに、前記第1基板側電極の表面を露出するように形成された第3開溝部と、
前記第3開溝部を介して前記第1基板側電極と前記第2基板側電極側の前記第2光電変換層とを電気的に接続するように形成された背面電極と、
前記第3開溝部の前記第1開溝部と反対側の領域において、少なくとも前記背面電極を、前記第1基板側電極および前記第2基板側電極にそれぞれ対応する第1背面電極および第2背面電極に電気的に分離するための第4開溝部とを備え、
前記絶縁部材は、少なくとも前記第3開溝部の前記第1開溝部と反対側の領域まで延びるように形成されている、光起電力装置。 - 前記絶縁部材は、前記第4開溝部の前記第1開溝部と反対側の領域まで延びるように形成されており、
前記第1背面電極および前記第2背面電極は、前記第4開溝部を含む領域において、前記絶縁部材上に形成されている、請求項1に記載の光起電力装置。 - 前記背面電極は、前記第2光電変換層の表面上に、透光性導電層を介して形成されている、請求項1または2に記載の光起電力装置。
- 絶縁性表面を有する基板の前記絶縁性表面上に基板側電極を形成する工程と、
前記基板側電極に第1開溝部を形成することによって、前記第1開溝部により分離された第1基板側電極および第2基板側電極を形成する工程と、
前記第1基板側電極および前記第2基板側電極を覆うように第1光電変換層を形成する工程と、
前記第1光電変換層の表面上に導電性を有する中間層を介して第2光電変換層を形成する工程と、
前記第1基板側電極上の領域において、少なくとも中間層を切断するための第2開溝部を形成する工程と、
前記第2開溝部内に、少なくとも前記中間層の切断部を覆い、かつ、前記第2光電変換層の上面上に沿って延びるように絶縁部材を形成する工程と、
前記第2開溝部の前記第1開溝部と反対側の領域において、前記第1光電変換層、前記中間層、前記第2光電変換層および前記絶縁部材を貫通するとともに、前記第1基板側電極の表面を露出するように第3開溝部を形成する工程と、
前記第3開溝部を介して前記第1基板側電極と前記第2基板側電極側の前記第2光電変換層とを電気的に接続するように背面電極を形成する工程と、
前記第3開溝部の前記第1開溝部と反対側の領域において、少なくとも前記背面電極を、前記第1基板側電極および前記第2基板側電極にそれぞれ対応する第1背面電極および第2背面電極に電気的に分離するための第4開溝部を形成する工程とを備え、
前記絶縁部材を形成する工程は、少なくとも前記第3開溝部の前記第1開溝部と反対側の領域まで延びるように前記絶縁部材を形成する工程を含む、光起電力装置の製造方法。 - 前記第4開溝部を形成する工程は、前記絶縁部材および前記絶縁部材上に形成された前記背面電極を分離するように前記第4開溝部を形成する工程を含む、請求項4に記載の光起電力装置の製造方法。
- 前記第2開溝部を形成する工程、前記第3開溝部を形成する工程および前記第4開溝部を形成する工程に先立って、前記第2光電変換層上に透光性導電層を形成する工程をさらに備える、請求項4または5に記載の光起電力装置の製造方法。
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JP2007179438A JP4425296B2 (ja) | 2007-07-09 | 2007-07-09 | 光起電力装置 |
TW097121854A TW200903821A (en) | 2007-07-09 | 2008-06-12 | Photovoltaic apparatus and method for manufacture of the same |
CN2008101303133A CN101345247B (zh) | 2007-07-09 | 2008-07-04 | 光电动势装置及其制造方法 |
EP08252322A EP2023395A3 (en) | 2007-07-09 | 2008-07-08 | Photovoltaic apparatus and method of manufacturing the same |
KR1020080065763A KR20090005983A (ko) | 2007-07-09 | 2008-07-08 | 광 기전력 장치 및 그 제조 방법 |
US12/169,374 US8362354B2 (en) | 2007-07-09 | 2008-07-08 | Photovoltaic apparatus and method of manufacturing the same |
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JP2007179438A JP4425296B2 (ja) | 2007-07-09 | 2007-07-09 | 光起電力装置 |
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EP (1) | EP2023395A3 (ja) |
JP (1) | JP4425296B2 (ja) |
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WO2011061956A1 (ja) * | 2009-11-20 | 2011-05-26 | 三菱重工業株式会社 | 光電変換装置 |
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US9647158B2 (en) * | 2013-05-21 | 2017-05-09 | Alliance For Sustainable Energy, Llc | Photovoltaic sub-cell interconnects |
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2007
- 2007-07-09 JP JP2007179438A patent/JP4425296B2/ja not_active Expired - Fee Related
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2008
- 2008-06-12 TW TW097121854A patent/TW200903821A/zh unknown
- 2008-07-04 CN CN2008101303133A patent/CN101345247B/zh not_active Expired - Fee Related
- 2008-07-08 US US12/169,374 patent/US8362354B2/en not_active Expired - Fee Related
- 2008-07-08 EP EP08252322A patent/EP2023395A3/en not_active Withdrawn
- 2008-07-08 KR KR1020080065763A patent/KR20090005983A/ko not_active Application Discontinuation
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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WO2011061956A1 (ja) * | 2009-11-20 | 2011-05-26 | 三菱重工業株式会社 | 光電変換装置 |
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Publication number | Publication date |
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JP4425296B2 (ja) | 2010-03-03 |
CN101345247B (zh) | 2011-12-28 |
EP2023395A3 (en) | 2011-09-14 |
EP2023395A2 (en) | 2009-02-11 |
KR20090005983A (ko) | 2009-01-14 |
US20090014064A1 (en) | 2009-01-15 |
CN101345247A (zh) | 2009-01-14 |
US8362354B2 (en) | 2013-01-29 |
TW200903821A (en) | 2009-01-16 |
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