JP6768986B2 - ドープ半導体材料の複数の粒を含む光吸収層を有する光起電力装置 - Google Patents
ドープ半導体材料の複数の粒を含む光吸収層を有する光起電力装置 Download PDFInfo
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- JP6768986B2 JP6768986B2 JP2020501213A JP2020501213A JP6768986B2 JP 6768986 B2 JP6768986 B2 JP 6768986B2 JP 2020501213 A JP2020501213 A JP 2020501213A JP 2020501213 A JP2020501213 A JP 2020501213A JP 6768986 B2 JP6768986 B2 JP 6768986B2
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- 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
- H01L31/072—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 PN heterojunction type
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Description
本発明は、太陽電池などの光起電力装置の分野に関する。
光起電力装置は、光起電力効果を示す半導体材料を用いて光を電気に変換する。
本発明の目的は、上述の問題を少なくとも部分的に克服し、改善された光起電力装置を提供することである。
ここで、添付の図面を参照して、本発明をより詳細に説明する。
図2は、光起電力装置の第1の例の一部の拡大図を示す。
図1は、本発明による光起電力装置10の一例の断面を概略的に示すものである。この例では、光起電力装置10は太陽電池である。光起電力装置10は、ドープ半導体材料からなる複数の粒2、および粒2と物理的かつ電気的に接触する電荷導体3を備えた光吸収層1を備える。ドープ半導体とは、たとえば、ホウ素(p型)、リン光体(n型)、またはヒ素(n型)のようなドーパントを含む半導体を意味する。ドープ半導体を製造するには、半導体にドーパントを添加する。ドーパント材料の種類に応じて、半導体はpドープまたはnドープになる。
Claims (13)
- 第1の導電層(16)、
第2の導電層(18)、
第1および第2の導電層(16,18)の間に配置された絶縁材料からなる多孔質基板(20)、
ドープ半導体材料の複数の粒(2)を含み、粒が第1の導電層と電気的かつ物理的に接触するように第1の導電層(16)に配置された光吸収層(1)、および
粒を部分的に覆う電荷導電材料からなり、粒(2)の表面から第2の導電層(18)まで電荷導電材料の複数の連続経路(22)が形成されるように第1の導電層(16)および多孔質基板を貫通するように配置された電荷導体(3)を備え、
第1の導電層(16)は、導電材料、導電材料の表面に形成された酸化物層(28)、および酸化物層および絶縁コーティングがともに第1の導電層(16)の導電材料から前記経路(22)を電気的に絶縁するように酸化物層(28)に堆積された絶縁材料からなる絶縁コーティング(29)を備えた光起電力装置(10)。 - 前記絶縁コーティング(29)の厚さが10nmよりも大きい、請求項1に記載の光起電力装置(10)。
- 前記酸化物層(28)の厚さが10nmよりも大きい、請求項1または2に記載の光起電力装置(10)。
- 酸化物層(28)および絶縁コーティング(29)が異なる表面構造を有する、請求項1〜3のいずれか1つに記載の光起電力装置(10)。
- 酸化物層(28)および絶縁コーティング(29)が異なる材料からなる、請求項1〜4のいずれか1つに記載の光起電力装置(10)。
- 第1の導電層(16)の導電材料が金属または金属合金を含み、酸化物層(28)が金属酸化物からなる、請求項1〜5のいずれか1つに記載の光起電力装置(10)。
- 前記絶縁コーティング(29)が酸化物からなる、請求項1〜6のいずれか1つに記載の光起電力装置(10)。
- 前記絶縁コーティング(29)がTiO2,Al2O3,ZrO2,MgO,CaO,SiO2,およびアルミノケイ酸塩のいずれか、またはそれらの組み合わせからなる、請求項1〜7のいずれか1つに記載の光起電力装置(10)。
- 前記絶縁コーティング(29)が絶縁材料からなる絶縁粒子を含み、絶縁粒子の直径が200nm未満である、請求項1〜8のいずれか1つに記載の光起電力装置(10)。
- 絶縁コーティング(29)が酸化物層(28)より密度が高く多孔性が低い、請求項1〜9のいずれか1つに記載の光起電力装置(10)。
- 第1の導電層(16)が互いに電気的かつ物理的に接触している前記導電材料からなる導電性粒子(24)と、粒を含み、前記酸化物層(28)が導電性粒子の表面に形成され、その表面が粒または他の導電性粒子のいずれとも接触していない、請求項1〜10のいずれか1つに記載の光起電力装置(10)。
- 前記絶縁コーティング(29)は、酸化物層が前記絶縁コーティングで覆われるように酸化物層(28)に堆積される、請求項1〜11のいずれか1つに記載の光起電力装置(10)。
- 第1の導電層(16)が多孔質であり、電荷導体(3)が第1の導電層(16)の孔、および絶縁基板の孔に収容され、第1の導電層(16)および絶縁基板(20)を通って導電経路が形成される、請求項1〜12のいずれか1つに記載の光起電力装置(10)。
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PCT/EP2017/067633 WO2018019598A1 (en) | 2016-07-29 | 2017-07-12 | A method for producing a photovoltaic device |
EPPCT/EP2017/067633 | 2017-07-12 | ||
SE1751329A SE541506C2 (en) | 2016-07-29 | 2017-10-26 | A photovoltaic device having a light absorbing layer including a plurality of grains of a doped semiconducting material |
SE1751329-2 | 2017-10-26 | ||
PCT/EP2018/067693 WO2019011681A1 (en) | 2017-07-12 | 2018-06-29 | PHOTOVOLTAIC DEVICE HAVING A LIGHT ABSORPTION LAYER COMPRISING A PLURALITY OF GRAINS OF A DOPED SEMICONDUCTOR MATERIAL |
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