JP5367562B2 - 太陽電池の製造方法および構造 - Google Patents
太陽電池の製造方法および構造 Download PDFInfo
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- JP5367562B2 JP5367562B2 JP2009500632A JP2009500632A JP5367562B2 JP 5367562 B2 JP5367562 B2 JP 5367562B2 JP 2009500632 A JP2009500632 A JP 2009500632A JP 2009500632 A JP2009500632 A JP 2009500632A JP 5367562 B2 JP5367562 B2 JP 5367562B2
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Description
本特許出願は、下記の米国仮特許出願、つまり2006年3月17日の仮特許出願第60/783,586号、2006年8月15日の仮特許出願第60/822,473号、2006年8月23日の仮特許出願第60/823,354および2006年8月23日の仮特許出願60/823,356号に基づく優先権を主張するものであり、これらの米国仮特許出願の全ては、全ての目的において参照されて、本特許出願に包含される。
(1)半導体基板を形成する。半導体基板は、表面部、劈開部および前記表面部と前記劈開部の間にあって、除去される第1の材料層を有する。
(2)光学透明性基板に半導体基板を配置する。
(3)光学透明性基板の第1の表面部に半導体基板の表面部を結合する。
(4)劈開部の一部で、制御された劈開動作を開始する。
(5)半導体基板から第1の材料層を除去するため、半導体基板を劈開する。一方、劈開表面部の形成を促すために、前記表面部は、前記第1の表面部に結合されたままとなっている。
(6)半導体材料の生成層を形成するために、(例えば、シラン種を用いて)劈開表面部の上を覆って、第2の半導体材料層を形成する。半導体材料の生成層は、1または複数の光電子部を有する。
(7)第2の半導体材料層の上を覆って、カバーガラス材料を取り付ける。
(8)必要に応じて、その他のステップを実行する。
(1)シリコン、ゲルマニウム、シリコン−ゲルマニウム合金、ヒ化ガリウム、あらゆるIII/V族化合物およびその他の材料などの半導体基板を形成する(ステップ2701)。
(2)第1のシリコン材料層を定めるために(ステップ2705)、劈開平面(複数の粒子、蒸着物質、またはこれらの任意の組み合わせなどを含んでいる)を形成する(ステップ2703)。
(3)第1の材料層をシリコン支持部材の上を覆う脱着可能な材料に転写する(ステップ2707)。
(4)前記脱着可能な材料の上を覆う全材料層を形成するために、前記第1の材料層の上を覆う第2の材料層を形成する(ステップ2709)。
(5)全材料層の第1の部分(例えば、第1の端面)に、第1の光電子セル表面を形成する(ステップ2711)。
(6)前記第1の光電子セル表面の上を覆う表面部を形成する。
(7)キャリア部材を第1の光電子セル表面の表面部に取り付ける(ステップ2713)。
(7)全材料層の第2の部分を露出するため、脱着可能な材料を含むシリコン支持部材を除去する(ステップ2715)。
(8)全材料層の第2の部分で、第2の光電子セル表面を形成する(ステップ2717)。
(9)他のプロセスを実行する(ステップ2719)。
(10)ソーラーモジュールを形成する(ステップ2721)。
(11)停止。
(1)表面部、底部、および材料の所定の層を有する半導体基板を形成する(ステップ3901)。前記半導体基板は、シリコン、ゲルマニウム、シリコン−ゲルマニウム合金、ヒ化ガリウム、あらゆるIII/V材料などであってもよい。
(2)第1のシリコン材料層を定めるために(ステップ3905)、劈開平面を形成する(複数の粒子、蒸着物質、またはこれらのあらゆる組み合わせなどを含む(ステップ3903)。
(3)第1の材料層をシリコン支持部材の上を覆う脱着可能な材料に転写する(ステップ3907)。
(4)前記脱着可能な材料の上を覆う全材料層を形成するために、前記第1の材料層の上を覆う第2の材料層を形成する(ステップ3909)。
(5)前記全材料層を除去する(ステップ3911)。
(6)前記全材料層の一部に光電子セル表面を形成する(ステップ3913)。
(7)光電子セルを含む前記全材料層をキャリア部材に付着する(ステップ3915)。(8)他のプロセスを実行する(ステップ3917)。
(9)ソーラーモジュールを形成する(ステップ3919)。
(10)終了。
(1)シリコン、ゲルマニウム、シリコン−ゲルマニウム合金、ヒ化ガリウム、あらゆるIII/V材料などの半導体基板を形成する(ステップ5101)。
(2)第1のシリコン材料層を定めるために(ステップ5105)、劈開平面を形成する(ステップ5103)。
(3)第1の材料層をキャリア部材基板に転写する(ステップ5107)。
(4)全材料厚さを形成するために、第1の半導体材料層の上を覆う第2の材料層を形成する(ステップ5109)。
(5)前記全材料層の一面に第1の光電子セル表面を少なくとも1つ形成する(ステップ5111)。
(6)望ましいように、他のプロセスを実行する(ステップ5113)。
(7)終了(ステップ5115)。
Claims (37)
- 表面部、劈開部および、前記表面部と前記劈開部との間にあって、除去される第1の材料層を有する半導体基板を形成する工程と、
前記半導体基板の前記表面部を、第1の表面部および第2の表面部を有する光学透明性基板の前記第1の表面部に結合する工程と、
前記表面部を前記第1の表面部に結合したままで、前記半導体基板を劈開して、前記第1の材料層を前記半導体基板から除去して、劈開表面部を形成する工程と、さらに、
前記劈開表面部の上をアモルファスシリコンで形成された第2の半導体材料層で覆う工程と、
前記光学透明性基板の前記第2の表面部に、光線を前記光学透明性基板に対して斜めに入射させる光学素子を結合する工程と、からなる
ことを特徴とする光電子セルの製造方法。 - さらに、アモルファスシリコン層の結晶化を含む
ことを特徴とする請求項1に記載の光電子セルの製造方法。 - 第1の表面および第2の表面からなる光学透明性基板と、
前記光学透明性基板の第1の表面の上を覆う第1の表面部および第2の表面部を有する第1の材料層と、
前記材料層の第1の表面部と光学透明性材料の第1の表面との間に担持される光結合材料と、
半導体材料の生成層を形成するために、前記第2の表面部の上を覆うアモルファスシリコンからなる第2の半導体材料層と、
前記光学透明性基板の前記第2の表面部を覆って、光線を前記光学透明性基板に対して斜めに入射させる光学素子と、を備える
ことを特徴とする光電子セル装置。 - 前記光結合材料は、酸化スズ、インジウム−スズ酸化物、酸化亜鉛または二酸化チタンを含んでなる
ことを特徴とする請求項3に記載の光電子セル装置。 - 前記第1の半導体材料層は、単結晶シリコン材料を含んでなる
ことを特徴とする請求項3に記載の光電子セル装置。 - 前記光学透明性材料は、ガラス基板、石英基板またはプラスチック基板を含んでなる
ことを特徴とする請求項3に記載の光電子セル装置。 - さらに、前記第2の半導体材料層の上を覆う裏面カバーを含んでなる
ことを特徴とする請求項3に記載の光電子セル装置。 - 劈開部と、表面部と、前記劈開部と前記表面部との間で定められる第1のシリコン材料層と、を備えるドナー基板を形成する工程と、
前記劈開部の周辺の内側で前記ドナー基板の一部を分離するため、および前記第1のシリコン材料層の上を覆う劈開表面部の形成を促すように処理基板の処理基板表面に前記表面部を結合するために、前記第1のシリコン材料層を前記処理基板の処理基板表面に転写する工程と、
反応室にシラン種を含むガスを供給する工程と、
グロー放電CVD法、プラズマCVD法、光CVD法または熱CVD法を含む1または複数のプロセスから選ばれるプロセスを用いて、前記反応室内部にある前記処理基板の前記処理基板表面部にシリコン蒸着状態を促すように、前記シラン種を用いる工程と、
前記第1のシリコン材料の上を覆う前記シラン種を用いて、アモルファスシリコンからなる第2の材料層を形成する工程と、
前記ドナー基板を、第1の表面部および第2の表面部を有する光学透明性基板の前記第1の表面部に結合する工程と、
前記光学透明性基板の前記第2の表面部に、光線を前記光学透明性基板に対して斜めに入射させる光学素子を結合する工程と、を有する
ことを特徴とする光電子セル装置の製造方法。 - 前記第2の材料層を形成する温度は、約650℃以下の範囲にある温度に維持される
ことを特徴とする請求項8に記載の光電子セル装置の製造方法。 - さらに、前記第2の材料層の厚さをより増加するために、供給、使用、形成、および処理プロセスを繰り返す工程を有する
ことを特徴とする請求項8に記載の光電子セル装置の製造方法。 - さらに、洗浄プロセスに前記劈開表面部を曝す工程を有する
ことを特徴とする請求項8に記載の光電子セル装置の製造方法。 - 前記洗浄プロセスは、プラズマへの曝露を含む
ことを特徴とする請求項11に記載の光電子セル装置の製造方法。 - 前記洗浄プロセスは、湿式洗浄プロセスへの曝露を含む
ことを特徴とする請求項11に記載の光電子セル装置の製造方法。 - 劈開部と、表面部と、前記劈開部と前記表面部との間で定められる第1のシリコンあるいはゲルマニウム材料層を有するドナー基板を形成する工程と、
前記第1のシリコンあるいはゲルマニウム材料層の上を覆う劈開表面部の形成を促すように、前記劈開部の周辺の内側で前記ドナー基板の一部を分離するため、および処理基板の処理基板表面部に前記表面部を結合するために、前記第1のシリコンあるいはゲルマニウム材料層を前記処理基板の処理基板表面部に転写する工程と、
反応室にシランおよび/またはゲルマン種を含むガスを供給する工程と、
少なくともグロー放電CVD、プラズマCVD、光CVDまたは熱CVDから選択されるプロセスおよびシランおよび/またはゲルマン種を用いて、前記第1のシリコンまたはゲルマニウム材料層の上を覆う材料を結晶化するための材料の固相エピタキシャル再成長速度と等しいか、より速いか、またはより遅い蒸着速度で前記第1のシリコンまたはゲルマニウム材料層を厚くするために、前記劈開表面の上を覆って材料を蒸着してアモルファスシリコン層を形成する工程と、
前記ドナー基板を、第1の表面部および第2の表面部を有する光学透明性基板の前記第1の表面部に結合する工程と、
前記光学透明性基板の前記第2の表面部に、光線を前記光学透明性基板に対して斜めに入射させる光学素子を結合する工程と、からなる
ことを特徴とする光電子セル装置の製造方法。 - 前記材料の蒸着は、約650℃以下の温度で生じる
ことを特徴とする請求項14に記載の光電子セル装置の製造方法。 - さらに、前記材料の蒸着前に、グラフォエピタキシーによってシード層を形成する工程を有する
ことを特徴とする請求項14に記載の光電子セル装置の製造方法。 - 前記シラン種は、トリシラン、ジシラン、ジクロロシラン、トリクロロシランまたはモノシランを含む
ことを特徴とする請求項14に記載の光電子セル装置の製造方法。 - 前記ゲルマン種は、ゲルマン(GeH4)またはジゲルマン(Ge2H6)を含む
ことを特徴とする請求項14に記載の光電子セル装置の製造方法。 - PおよびN接合部を形成するために、前記シランおよび/またはゲルマン種の蒸着は、1または複数のドーパントガスを含む
ことを特徴とする請求項14に記載の光電子セル装置の製造方法。 - さらに、前記処理基板表面部および前記処理基板の裏面部に第1の光電子部を形成し、
そして、前記処理基板表面部には第1の光電子材料を、前記処理基板の裏面には第2の光電子材料をそれぞれ形成するために、前記処理基板の裏面部に、第2のシリコン材料を同時蒸着する工程を含む
ことを特徴とする請求項14に記載の光電子セル装置の製造方法。 - 処理基板表面部を有する処理基板と、
前記処理基板表面部の上を覆う界面材料と、
前記界面材料の上を覆う層転写フィルムと、
1または複数の欠陥を有する単結晶シリコンまたは単結晶ゲルマニウム材料からなる第1の蒸着層と、
前記第1の蒸着層を覆うアモルファスシリコンからなる第2の蒸着層と、を備えるとともに、
前記処理基板は光学透明性基板であって、
前記光学透明性基板の前記界面材料で覆われた表面の反対側の表面を覆って、光線を前記光学透明性基板に対して斜めに入射させる光学素子を備える
ことを特徴とする光電子装置。 - 前記単結晶シリコンまたは単結晶ゲルマニウムの蒸着層は、前記層転写フィルムの上を覆うP型材料および前記P型材料の上を覆うN型材料を有する
ことを特徴とする請求項21に記載の光電子装置。 - 前記P型材料は、P+型材料を含む
ことを特徴とする請求項22に記載の光電子装置。 - 前記単結晶シリコンまたは単結晶ゲルマニウムの蒸着層は、前記層転写フィルムの上を覆うN型材料および前記N型材料の上を覆うP型材料を有する
ことを特徴とする請求項21に記載の光電子装置。 - 表面部、底部および前記表面部と前記底部との間に所定の層を有する支持部材を形成する工程と、
前記支持部材の表面部の上を覆う脱着可能な材料を形成する工程と、
前記支持部材の上を覆う前記脱着可能な材料の上を覆う第1の転写材料層を形成するために、第1の半導体材料層を前記脱着可能な材料の上を覆う第1のドナー基板から転写する工程と、
前記脱着可能な材料の上を覆う全材料層を形成するために、前記第1の転写材料層の上を覆うアモルファスシリコンからなる第2の半導体材料層を形成する工程と、
前記脱着可能な材料から前記全材料層を分離するために、前記脱着可能な材料から前記全材料層を切り離す工程と、
前記全材料層の1または複数の部分に1または複数の光電子装置を形成する工程と、からなるとともに、
前記支持部材は、光学透明性基板であって、
前記光学透明性基板の前記底部に、光線を前記光学透明性基板に対して斜めに入射させる光学素子を結合する工程をさらに有する
ことを特徴とする1または複数のソーラーモジュールに用いられる太陽電池の製造方法。 - 前記支持部材は、第1のドナー基板が有する第2の熱膨張係数と実質的に一致する第1の熱膨張係数を有する
ことを特徴とする請求項25に記載のソーラーモジュールに用いられる太陽電池の製造方法。 - 前記表面部は、表面粗さと上面を覆う酸化物層を有する
ことを特徴とする請求項25に記載のソーラーモジュールに用いられる太陽電池の製造方法。 - 前記表面粗さは、少なくとも多孔性材料によって実現される
ことを特徴とする請求項27に記載のソーラーモジュールに用いられる太陽電池の製造方法。 - 前記シリコン支持部材は、前記支持部材の底部から前記支持部材層を通って、前記表面部の一部に向かって広がる開口部を有するとともに、前記開口部は流体駆動源に結合され、
前記流体駆動源は、前記底部と前記表面部の一部との間で、前記開口部の内部に圧力勾配を誘発できる
ことを特徴とする請求項25に記載のソーラーモジュールに用いられる太陽電池の製造方法。 - 前記圧力勾配は、流体によって提供され、前記脱着可能な材料からの前記全材料層の除去を容易にする
ことを特徴とする請求項29に記載のソーラーモジュールに用いられる太陽電池の製造方法。 - 前記流体は、前記脱着可能な材料に対するエッチング液である
ことを特徴とする請求項30に記載のソーラーモジュールに用いられる太陽電池の製造方法。 - 劈開工程は、前記脱着可能な材料の一部から全層の一部を除去する開始プロセスと、前記脱着可能な材料から前記全層を分離し続ける伝播プロセスと、を有する
ことを特徴とする請求項25に記載のソーラーモジュールに用いられる太陽電池の製造方法。 - 前記第2の層を形成する工程は、エピタキシャルシリコン材料を蒸着する工程を含む
ことを特徴とする請求項25に記載のソーラーモジュールに用いられる太陽電池の製造方法。 - シリコン支持部材は再利用できる
ことを特徴とする請求項25に記載のソーラーモジュールに用いられる太陽電池の製造方法。 - 前記脱着可能な材料は、表面粗さおよび上面を覆う誘電材料を備える
ことを特徴とする請求項25に記載のソーラーモジュールに用いられる太陽電池の製造方法。 - さらに、1または複数の光電子材料を全材料層の1または複数の部分に形成する工程を含んでなる
ことを特徴とする請求項25に記載のソーラーモジュールに用いられる太陽電池の製造方法。 - 前記全層は、200ミクロン以下の寸法である
ことを特徴とする請求項25に記載のソーラーモジュールに用いられる太陽電池の製造方法。
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| PCT/US2007/064213 WO2007109568A2 (en) | 2006-03-17 | 2007-03-16 | Method and structure for fabricating solar cells |
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| EP (1) | EP1997124A4 (ja) |
| JP (1) | JP5367562B2 (ja) |
| WO (1) | WO2007109568A2 (ja) |
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2007
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- 2007-03-16 JP JP2009500632A patent/JP5367562B2/ja not_active Expired - Fee Related
- 2007-03-16 EP EP07758733.5A patent/EP1997124A4/en not_active Withdrawn
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Also Published As
| Publication number | Publication date |
|---|---|
| JP2009530833A (ja) | 2009-08-27 |
| US20070235074A1 (en) | 2007-10-11 |
| EP1997124A4 (en) | 2015-10-28 |
| US20100180945A1 (en) | 2010-07-22 |
| US7863157B2 (en) | 2011-01-04 |
| EP1997124A2 (en) | 2008-12-03 |
| WO2007109568A2 (en) | 2007-09-27 |
| US8012851B2 (en) | 2011-09-06 |
| WO2007109568A3 (en) | 2008-09-04 |
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