JP6083082B2 - 薄型シリコン太陽電池及び製造方法 - Google Patents
薄型シリコン太陽電池及び製造方法 Download PDFInfo
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Description
(項目1)
太陽電池の製造方法であって、
シリコン基板上に犠牲層を形成する工程と、
上記犠牲層の上にドープシリコン層を形成する工程と、
上記ドープシリコン層の上にシリコン膜を形成する工程と、
上記シリコン膜上に交互に設けられた複数の接点を形成する工程と、
上記交互に設けられた複数の接点のそれぞれを金属接点と接触させる工程と、
上記犠牲層を除去する工程と、
を含む、方法。
(項目2)
上記犠牲層を形成する工程が、シリコン及びゲルマニウムから構成される犠牲層を形成する工程を含む、項目1に記載の方法。
(項目3)
上記シリコン膜を形成する工程が、上記シリコン膜をエピタキシャル成長させる工程を含む、項目1に記載の方法。
(項目4)
上記交互に設けられた複数の接点を形成する工程が、インクジェットプリンタを用いて複数のドーパント源を堆積させる工程を含む、項目1に記載の方法。
(項目5)
上記ドープシリコン層を形成する工程の前に、上記犠牲層の面をテクスチャ化する工程を更に含む、項目1に記載の方法。
(項目6)
上記ドープシリコン層を形成する工程が、上記犠牲層の上記テクスチャ化された面に共形のドープシリコンの層を形成する工程を含む、項目5に記載の方法。
(項目7)
上記犠牲層を除去する工程の前に、上記シリコン膜を担体に接着する工程を更に含む、項目1に記載の方法。
(項目8)
上記犠牲層を除去する工程の後、上記担体から上記シリコン膜を剥離する工程を更に含む、項目7に記載の方法。
(項目9)
低濃度ドープシリコン層を上記ドープシリコン層と上記シリコン膜との間に形成する工程を更に含む、項目1に記載の方法。
(項目10)
太陽電池の製造方法であって、
シリコン基板の上面に犠牲層を形成する工程と、
上記犠牲層の露出面を処理してテクスチャ化された面を形成する工程と、
上記犠牲層の上記テクスチャ化された面の上に、高濃度ドープシリコン層を形成する工程と、
上記高濃度ドープシリコン層の上に、相対的に低濃度にドープされたシリコン層を形成する工程と、
上記相対的に低濃度にドープされたシリコン層の上に、シリコン膜をエピタキシャル成長させる工程と、
上記シリコン膜の上に、交互に設けられた接点構造を形成する工程と、
上記シリコン膜を担体に接着する工程と、
上記犠牲層を除去することにより、上記シリコン基板から上記高濃度ドープシリコン層を分離する工程と、
上記担体から上記シリコン膜を剥離する工程と、
上記高濃度ドープシリコン層を覆うように反射防止コーティングを形成する工程と、
を含む、方法。
(項目11)
上記シリコン膜をエピタキシャルに成長させる工程が、シリコンウェハを100マイクロメートル未満の厚さにエピタキシャルに成長させる工程を含む、項目10に記載の方法。
(項目12)
上記高濃度ドープシリコン層を形成する工程が、2マイクロメートル未満の厚さを有するシリコン層を形成する工程を含む、項目10に記載の方法。
(項目13)
上記シリコン基板が複数の犠牲層を含み、上記犠牲層を形成する工程が、上記シリコン基板の表面をドーピングしてドープ犠牲層を形成する工程を含む、項目10に記載の方法。
(項目14)
シリコン基板の表面上に犠牲層を形成する工程が、CVDプロセスを用いて上記犠牲層を堆積させる工程を含む、項目10に記載の方法。
(項目15)
上記相対的に低濃度にドープされたシリコン層を形成する工程が、ドーパントを上記高濃度ドープシリコン層から上記相対的に低濃度にドープされたシリコン層中にドライブインする工程を含む、項目10に記載の方法。
(項目16)
項目10に記載の方法により製造された太陽電池。
(項目17)
太陽電池の製造方法であって、
シリコン基板上に犠牲層を形成する工程と、
上記犠牲層の上にドープシリコン層を形成する工程と、
上記ドープシリコン層の上にシリコン膜を形成する工程と、
上記シリコン膜上に交互に設けられた複数の接点を形成する工程と、
上記シリコン基板から上記ドープシリコン層を分離する工程と、を含む、方法。
(項目18)
上記犠牲層を形成する工程が、シリコンから少なくとも部分的に構成される層を形成する工程を含む、項目17に記載の方法。
(項目19)
上記シリコン基板から上記ドープシリコン層を分離する工程が、上記犠牲層を選択的エッチング剤に暴露する工程を含む、項目18に記載の方法。
(項目20)
上記交互に設けられた複数の接点を形成する工程が、
上記シリコン膜上に酸化物層を形成する工程と、
上記酸化物層上に堆積された複数のドープポリシリコンを形成する工程と、
を含む、項目17に記載の方法。
Claims (8)
- 太陽電池の製造方法であって、
シリコン基板の上面に犠牲層をエピタキシャルに形成する工程と、
前記犠牲層の露出面を処理してテクスチャ化された面を形成する工程と、
前記犠牲層の上にドープシリコン層を形成する工程と、
前記ドープシリコン層の上にシリコン膜を形成する工程と、
前記シリコン膜の上に酸化物層を形成する工程と、
前記酸化物層の上に交互に設けられたP型及びN型ドープ領域を形成する工程と、
前記P型及びN型ドープ領域のそれぞれを金属接点と接触させる工程と、
前記犠牲層を除去する工程と、
を含む、方法。 - 前記犠牲層を形成する工程が、シリコン及びゲルマニウムから構成される犠牲層を形成する工程を含む、請求項1に記載の方法。
- 前記シリコン膜を形成する工程が、前記シリコン膜をエピタキシャル成長させる工程を含む、請求項1又は2に記載の方法。
- 前記P型及びN型ドープ領域を形成する工程が、インクジェットプリンタを用いて複数のドーパント源を堆積させる工程を含む、請求項1〜3のいずれか一項に記載の方法。
- 前記ドープシリコン層を形成する工程が、前記犠牲層の前記テクスチャ化された面に共形のドープシリコンの層を形成する工程を含む、請求項1〜4のいずれか一項に記載の方法。
- 前記犠牲層を除去する工程の前に、前記シリコン膜を担体に接着する工程を更に含む、請求項1〜5のいずれか一項に記載の方法。
- 前記犠牲層を除去する工程の後に、前記担体から前記シリコン膜を剥離する工程を更に含む、請求項6に記載の方法。
- 低濃度ドープシリコン層を前記ドープシリコン層と前記シリコン膜との間に形成する工程を更に含む、請求項1〜7のいずれか一項に記載の方法。
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US13/074,350 | 2011-03-29 | ||
| US13/074,350 US8486746B2 (en) | 2011-03-29 | 2011-03-29 | Thin silicon solar cell and method of manufacture |
| PCT/US2012/029668 WO2012134866A1 (en) | 2011-03-29 | 2012-03-19 | Thin silicon solar cell and method of manufacture |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2014509795A JP2014509795A (ja) | 2014-04-21 |
| JP6083082B2 true JP6083082B2 (ja) | 2017-02-22 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2014502627A Expired - Fee Related JP6083082B2 (ja) | 2011-03-29 | 2012-03-19 | 薄型シリコン太陽電池及び製造方法 |
Country Status (10)
| Country | Link |
|---|---|
| US (2) | US8486746B2 (ja) |
| EP (1) | EP2691980A4 (ja) |
| JP (1) | JP6083082B2 (ja) |
| KR (1) | KR101912482B1 (ja) |
| CN (1) | CN103460354B (ja) |
| AU (1) | AU2012238016B2 (ja) |
| MY (1) | MY162679A (ja) |
| SG (1) | SG193949A1 (ja) |
| TW (1) | TWI545793B (ja) |
| WO (1) | WO2012134866A1 (ja) |
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| KR101307257B1 (ko) * | 2012-06-28 | 2013-09-12 | 숭실대학교산학협력단 | 영상의 인트라 예측 장치 |
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| DE102013219565A1 (de) * | 2013-09-27 | 2015-04-02 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Photovoltaische Solarzelle und Verfahren zum Herstellen einer photovoltaischen Solarzelle |
| KR101622090B1 (ko) | 2013-11-08 | 2016-05-18 | 엘지전자 주식회사 | 태양 전지 |
| US20150179834A1 (en) * | 2013-12-20 | 2015-06-25 | Mukul Agrawal | Barrier-less metal seed stack and contact |
| KR101867855B1 (ko) * | 2014-03-17 | 2018-06-15 | 엘지전자 주식회사 | 태양 전지 |
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| EP2691980A4 (en) | 2014-10-08 |
| SG193949A1 (en) | 2013-11-29 |
| TW201301550A (zh) | 2013-01-01 |
| MY162679A (en) | 2017-06-30 |
| TWI545793B (zh) | 2016-08-11 |
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