JP5524734B2 - 光電変換装置 - Google Patents
光電変換装置 Download PDFInfo
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- JP5524734B2 JP5524734B2 JP2010145961A JP2010145961A JP5524734B2 JP 5524734 B2 JP5524734 B2 JP 5524734B2 JP 2010145961 A JP2010145961 A JP 2010145961A JP 2010145961 A JP2010145961 A JP 2010145961A JP 5524734 B2 JP5524734 B2 JP 5524734B2
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- Prior art keywords
- semiconductor layer
- electrode
- impurity semiconductor
- photoelectric conversion
- intrinsic semiconductor
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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
- H01L31/075—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 PIN type, e.g. amorphous silicon PIN solar cells
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- H01L31/18—Processes or apparatus specially adapted for the manufacture or treatment of these devices or of parts thereof
- H01L31/20—Processes or apparatus specially adapted for the manufacture or treatment of these devices or of parts thereof such devices or parts thereof comprising amorphous semiconductor materials
- H01L31/202—Processes or apparatus specially adapted for the manufacture or treatment of these devices or of parts thereof such devices or parts thereof comprising amorphous semiconductor materials including only elements of Group IV of the Periodic Table
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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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
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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
近年、太陽電池とも称される光電変換装置の研究開発は非常に活発となっており、市場も急拡大している。
本発明の一態様は、非単結晶系nip型またはpin型の薄膜型光電変換装置であり、真性半導体層上には、開口部を有する透光性導電膜及び不純物半導体層が形成されている。また、開口部における真性半導体層の膜厚は、透光性導電膜及び不純物半導体層に覆われた真性半導体層の膜厚よりも薄く形成されていることを特徴とする。
本実施の形態では、本発明の一態様における光電変換装置の作製方法について、図面を参照して一例を詳細に説明する。なお、上記実施の形態と重複する部分の説明は省略或いは一部簡略化する。
本実施の形態では、本発明の一態様における光電変換装置の集積化方法について、図面を参照して一例を詳細に説明する。なお、上記実施の形態と重複する部分の説明は省略或いは一部簡略化する。
110 第1電極
120 第1不純物半導体層
121 真性半導体層
122 第2不純物半導体層
130 第2電極
150 積層体
170 フォトレジスト
180 保護層
190a 取り出し電極
190b 取り出し電極
200 絶縁樹脂
210 導電性樹脂
220 保護膜
230 収集電極
Claims (4)
- 絶縁体上の、第1電極として機能する領域を有する導電膜と、
前記第1電極上の第1不純物半導体層と、
前記第1不純物半導体層上の真性半導体層と、
前記真性半導体層上の第2不純物半導体層と、
前記第2不純物半導体層上の、第2電極として機能する領域を有する透光性導電膜と、
を有し、
前記第2電極及び前記第2不純物半導体層には開口部が設けられており、
前記開口部は、受光部に一つ以上設けられており、
前記第1不純物半導体層の導電型はn型であり、前記第2不純物半導体層の導電型はp型であり、
前記真性半導体層は、微結晶または多結晶を有し、
前記開口部の側壁における前記第2不純物半導体層と前記真性半導体層の界面の一部位と、同一の開口部の側壁における該一部位に対向する前記第2不純物半導体層と前記真性半導体層の界面との最短距離は、0.5μm以上100μm以下であることを特徴とする光電変換装置。 - 絶縁体上の、第1電極として機能する領域を有する導電膜と、
前記第1電極上の第1不純物半導体層と、
前記第1不純物半導体層上の真性半導体層と、
前記真性半導体層上の第2不純物半導体層と、
前記第2不純物半導体層上の、第2電極として機能する領域を有する透光性導電膜と、
を有し、
前記第2電極及び前記第2不純物半導体層には開口部が設けられており、
前記開口部は、受光部に一つ以上設けられており、
前記第1不純物半導体層の導電型はn型であり、前記第2不純物半導体層の導電型はp型であり、
前記真性半導体層は、非晶質シリコンを有し、
前記開口部の側壁における前記第2不純物半導体層と前記真性半導体層の界面の一部位と、同一の開口部の側壁における該一部位に対向する前記第2不純物半導体層と前記真性半導体層の界面との最短距離は、0.5μm以上3.0μm以下であることを特徴とする光電変換装置。 - 請求項1又は請求項2において、
前記開口部における前記真性半導体層の膜厚は、前記第2電極及び前記第2不純物半導体層に覆われた前記真性半導体層の膜厚よりも薄いことを特徴とする光電変換装置。 - 請求項1乃至3のいずれか一項において、
前記開口部の側壁には、テーパーが設けられていることを特徴とする光電変換装置。
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KR20120051974A (ko) * | 2010-11-15 | 2012-05-23 | 엘지전자 주식회사 | 태양전지 |
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JP2013058562A (ja) | 2011-09-07 | 2013-03-28 | Semiconductor Energy Lab Co Ltd | 光電変換装置 |
JP5927027B2 (ja) | 2011-10-05 | 2016-05-25 | 株式会社半導体エネルギー研究所 | 光電変換装置 |
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WO2014155833A1 (ja) * | 2013-03-28 | 2014-10-02 | 三洋電機株式会社 | 太陽電池 |
KR101385201B1 (ko) * | 2013-05-20 | 2014-04-15 | 한국생산기술연구원 | 태양전지 및 그 제조방법 |
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