JP7699671B2 - 太陽電池及びその製造方法 - Google Patents
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Description
韓国公開特許第10-2018-0026454号(2018.03.16.)
10:光電変換部
110:第1の光電変換部
112:光電変換層
114:第1の輸送層
116:第2の輸送層
120:第2の光電変換部
122:半導体基板
124:第1の半導体層
126:第2の半導体層
42:第1の電極
44:第2の電極
130:接合層
132:裏面/ベース接合層
136:界面層
Claims (17)
- 太陽電池であって、光電変換部、接合層、第1の電極及び第2の電極を含み、
前記光電変換部は、ペロブスカイト化合物からなる光電変換層を含む第1の光電変換部、及び半導体基板を含む第2の光電変換部を有し、
前記接合層は、前記第1の光電変換部と前記第2の光電変換部との間に形成され、且つ、前記接合層の正面は疎水性の表面特性を有し、
前記第1の電極は、前記光電変換部の一方の面において前記光電変換部に電気的に接続され、
前記第2の電極は、前記光電変換部の他方の面において前記光電変換部に電気的に接続され、
前記接合層は、前記第2の光電変換部に接する裏面と、前記第1の光電変換部に接する正面とを含み、且つ、前記裏面と前記正面は表面特性が異なり、
前記第1の光電変換部は、前記ペロブスカイト化合物からなる前記光電変換層と、前記光電変換層の上部に形成される第1の輸送層と、前記光電変換層の下部に形成される第2の輸送層とを含み、
前記第2の輸送層は、前記接合層に接合されるように形成され、
前記第2の輸送層は、疎水性の表面特性を有し、
前記第2の輸送層は、疎水性の表面特性を有するNPB又はSpiro-TTBを含む
太陽電池。 - 前記第2の光電変換部は、前記半導体基板と、前記半導体基板の一方の面上の第1の導電タイプの第1の半導体層と、前記半導体基板の他方の面上の第2の導電タイプの第2の半導体層とを含む
請求項1に記載の太陽電池。 - 前記接合層の裏面は親水性の表面特性を有する、
請求項2に記載の太陽電池。 - 前記接合層は、前記第1の導電タイプの第1の導電体層上に形成され且つ親水性の表面特性を有する透明導電タイプ酸化物層(TCO)を含む
請求項3に記載の太陽電池。 - 前記接合層の前記透明導電タイプ酸化物層の前記正面は、プラズマ表面処理により疎水性の表面特性を有するように形成される
請求項4に記載の太陽電池。 - 前記接合層は、前記透明導電タイプ酸化物層上において前記第1の光電変換部に接する界面層をさらに含む
請求項4に記載の太陽電池。 - 前記界面層は、ドーピングされた半導体層を含み且つ疎水性の表面特性を有する
請求項6に記載の太陽電池。 - 前記半導体基板と前記第2の導電タイプの第2の半導体層との間にトンネリング層をさらに含み、且つ、前記界面層は、前記トンネリング層よりも薄い厚さに形成される
請求項6に記載の太陽電池。 - 前記第2の光電変換部の一方の面上には前記第1の光電変換部が位置決めされ、
前記第1の光電変換部上には前記第1の電極が位置決めされ、
前記第2の光電変換部の前記第2の半導体層上には前記第2の電極が位置決めされ、
前記第2の半導体層は多結晶部分を含み、
前記第1の電極と前記第2の電極は積層構造が互いに異なる
請求項3に記載の太陽電池。 - 太陽電池の製造方法であって、
半導体基板と、前記半導体基板の一方の面上の第1の半導体層と、前記半導体基板の他方の面上に前記第1の半導体層と異なる導電タイプを有する第2の半導体層とを含む第2の光電変換部を形成するステップと、
前記第1の半導体層上に接合層を形成するステップと、
前記接合層の正面の表面特性を変化させるステップと、
前記接合層の正面上に、ペロブスカイト化合物からなる光電変換層を含む第1の光電変換部を形成するステップと、
前記第1の光電変換部の一方の面において前記第1の光電変換部に電気的に接続される第1の電極、及び前記第2の光電変換部の他方の面において前記第2の光電変換部に電気的に接続される第2の電極を形成するステップと、を含み、
前記第1の光電変換部は、前記ペロブスカイト化合物からなる前記光電変換層と、前記光電変換層の上部に形成される第1の輸送層と、前記光電変換層の下部に形成される第2の輸送層とを含むように形成され、
前記第2の輸送層は前記接合層に接するように形成され、
前記第2の輸送層は、疎水性の表面特性を有するNPB又はSpiro-TTBを含む物質を堆積することによって形成され、
前記接合層の表面特性を変化させるステップにおいて、前記接合層の正面が疎水性の表面特性を有するように処理を行う
太陽電池の製造方法。 - 前記接合層を形成するステップにおいて、前記半導体基板の前記第1の半導体層上に、親水性の表面特性を有する透明導電タイプ酸化物層(TCO)を形成する
請求項10に記載の太陽電池の製造方法。 - 前記接合層の表面特性を変化させるステップにおいて、前記接合層の裏面が親水性の表面特性を有するように処理を行う
請求項11に記載の太陽電池の製造方法。 - 前記接合層の表面特性を変化させるステップにおいて、疎水性を有する表面特性を形成するように、前記接合層の前記透明導電タイプ酸化物層の前記正面上でプラズマ表面処理を実行する
請求項12に記載の太陽電池の製造方法。 - 前記プラズマ表面処理は200度以下の温度で行い且つCH4プラズマ又はフッ素プラズマ処理によって実行される
請求項13に記載の太陽電池の製造方法。 - 前記接合層の表面特性を変化させるステップは、
前記透明導電タイプ酸化物層上に、前記第1の光電変換部に接する界面層を形成するステップをさらに含む
請求項12に記載の太陽電池の製造方法。 - 前記界面層を形成するステップは、
前記透明導電タイプ酸化物層上に非結晶シリコン層を堆積するステップと、
前記表面特性を疎水性に変化させるように、前記非結晶シリコン層上に高濃度のドーパントを注入するステップと、を含む
請求項15に記載の太陽電池の製造方法。 - 前記半導体基板と前記第2の半導体層との間にトンネリング層をさらに含み、且つ、前記界面層は、前記トンネリング層よりも薄い厚さに形成される
請求項16に記載の太陽電池の製造方法。
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| KR10-2021-0128831 | 2021-09-29 | ||
| KR1020210128831A KR20230045947A (ko) | 2021-09-29 | 2021-09-29 | 태양 전지 및 이의 제조 방법 |
| PCT/KR2021/014559 WO2023054786A1 (ko) | 2021-09-29 | 2021-10-19 | 태양 전지 및 이의 제조 방법 |
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| WO2017195722A1 (ja) | 2016-05-09 | 2017-11-16 | 株式会社カネカ | 積層型光電変換装置およびその製造方法 |
| CN112086535A (zh) | 2020-08-20 | 2020-12-15 | 隆基绿能科技股份有限公司 | 一种叠层电池 |
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| KR101878732B1 (ko) * | 2011-06-24 | 2018-07-16 | 삼성전자주식회사 | 그래핀 기재 및 이를 채용한 투명전극과 트랜지스터 |
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| JP2015138861A (ja) | 2014-01-22 | 2015-07-30 | ソニー株式会社 | 固体撮像素子および製造方法、並びに電子機器 |
| WO2017195722A1 (ja) | 2016-05-09 | 2017-11-16 | 株式会社カネカ | 積層型光電変換装置およびその製造方法 |
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| Publication number | Publication date |
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| EP4411837A4 (en) | 2025-09-17 |
| WO2023054786A1 (ko) | 2023-04-06 |
| US20240237368A1 (en) | 2024-07-11 |
| EP4411837A1 (en) | 2024-08-07 |
| AU2021467183A1 (en) | 2023-10-05 |
| CN117099219A (zh) | 2023-11-21 |
| KR20230045947A (ko) | 2023-04-05 |
| JP2024521193A (ja) | 2024-05-28 |
| AU2021467183B2 (en) | 2025-07-10 |
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