JPWO2010090142A1 - 透明導電膜付き基板および薄膜光電変換装置 - Google Patents
透明導電膜付き基板および薄膜光電変換装置 Download PDFInfo
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- JPWO2010090142A1 JPWO2010090142A1 JP2010549451A JP2010549451A JPWO2010090142A1 JP WO2010090142 A1 JPWO2010090142 A1 JP WO2010090142A1 JP 2010549451 A JP2010549451 A JP 2010549451A JP 2010549451 A JP2010549451 A JP 2010549451A JP WO2010090142 A1 JPWO2010090142 A1 JP WO2010090142A1
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- conductive film
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Classifications
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K50/00—Organic light-emitting devices
- H10K50/80—Constructional details
- H10K50/805—Electrodes
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- H01L31/02—Details
- H01L31/0224—Electrodes
- H01L31/022466—Electrodes made of transparent conductive layers, e.g. TCO, ITO layers
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- H01L31/02—Details
- H01L31/0224—Electrodes
- H01L31/022466—Electrodes made of transparent conductive layers, e.g. TCO, ITO layers
- H01L31/022483—Electrodes made of transparent conductive layers, e.g. TCO, ITO layers composed of zinc oxide [ZnO]
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L31/00—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
- H01L31/02—Details
- H01L31/0236—Special surface textures
- H01L31/02366—Special surface textures of the substrate or of a layer on the substrate, e.g. textured ITO/glass substrate or superstrate, textured polymer layer on glass substrate
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- H01L31/0248—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 characterised by their semiconductor bodies
- H01L31/036—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 characterised by their semiconductor bodies characterised by their crystalline structure or particular orientation of the crystalline planes
- H01L31/0392—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 characterised by their semiconductor bodies characterised by their crystalline structure or particular orientation of the crystalline planes including thin films deposited on metallic or insulating substrates ; characterised by specific substrate materials or substrate features or by the presence of intermediate layers, e.g. barrier layers, on the substrate
- H01L31/03921—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 characterised by their semiconductor bodies characterised by their crystalline structure or particular orientation of the crystalline planes including thin films deposited on metallic or insulating substrates ; characterised by specific substrate materials or substrate features or by the presence of intermediate layers, e.g. barrier layers, on the substrate including only elements of Group IV of the Periodic Table
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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
- H01L31/072—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
- H01L31/0745—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 comprising a AIVBIV heterojunction, e.g. Si/Ge, SiGe/Si or Si/SiC solar cells
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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
- H01L31/075—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
- H01L31/076—Multiple junction or tandem solar cells
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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
- H01L31/077—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 the devices comprising monocrystalline or polycrystalline materials
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Abstract
Description
実施例1として図3に示すような二接合型薄膜光電変換装置を作成した。
まず、厚み0.7mm、125mm角のガラス基板1にゾルゲル法により下地層2としてSiO2層を形成した。コーティング液としては、SOG材料として用いられているSiO2ゾルゲル液(ハネウエル社製 商品名:512B)を用い、塗布の方法はスピンコート法を用いて膜厚1000nmにて形成した。
次に実施例2として実施例1と同様に二接合型薄膜シリコン太陽電池を形成した。但し、実施例2においては第1の透明電極層4aの形成方法が実施例1とは異なっていた。
まず、ガラス基板1にゾルゲル法により下地層2を形成し、実施例1と同様にナノインプリント法により下地層表面に逆ピラミッド型の凹凸構造を形成した。下地層が形成された基板上に、減圧CVD法により第1の透明電極層4aを1200nmの厚さで形成したところで、原料ガスであるジエチル亜鉛、水、ジボラン、ホスフィンの供給を停止することで、一旦製膜を停止した。その後、再び原料ガスを供給して、第2の透明電極層4bを400nmの厚さで形成した。
次に比較例1として、実施例1と同様に二接合型薄膜シリコン太陽電池を形成した。但し、比較例1においては下地層2が形成されず、透明導電膜4がCVD法により形成した1層の透明電極層4bのみにより構成され、層4bの膜厚が厚いとの点において、実施例1とは異なっていた。
すなわち、比較例1においては、ガラス基板1の上に透明導電膜4(図2Aでは4bに該当する部分)を減圧CVD法により膜厚1500nmで作成した。
比較例2として実施例1と同様に二接合型薄膜シリコン太陽電池を形成した。但し、比較例2においては実施例1の符号4bに該当する第2の透明電極層が無く、下地層2上に、実施例1の第1の透明電極層4aの形成と同様の条件でスパッタ法により透明導電膜4としてAlがドープされた酸化亜鉛のみを300nmの厚さで形成した点において、実施例1とは異なっていた。
実施例3として、図3に示すような二接合型薄膜光電変換装置を作成した。但し、実施例3においては第1の透明電極層4aを酸化亜鉛からインジウム−チタン複合酸化物に変更した点においてのみ、実施例1とは異なっていた。
次に比較例3として実施例3と同様に二接合型薄膜シリコン太陽電池を形成した。但し、比較例2においては第2の透明電極層4bが形成されず、1層のみからなる透明導電膜4としてスパッタ法によりTiがドープされ酸化インジウムを300nmの厚さで形成した点において、実施例3とは異なっていた。
次に実施例4として実施例2と同様に二接合型薄膜シリコン太陽電池を形成した。但し、実施例4においては、透明導電膜4の形成において、第2の透明電極層4bを600nmの厚さで形成した点のみにおいて、実施例2とは異なっていた。
実施例5として図4に示すような有機EL素子を作成した。まず、実施例1と同様の方法で下地層2および透明導電膜4を形成した。この基板を真空蒸着機の製膜室内に搬入した後、N,N’−ジフェニル−N’−ビス(3メチルフェニル)−1,1’−ジフェニル−4,4’−ジアミンを蒸着源として約500Å製膜し、正孔輸送層9を形成した。
比較例4として、実施例5と同様に有機EL素子を作成した。比較例4においては、透明導電膜付き基板の下地層2が無い事においてのみ実施例5とは異なっていた。すなわち、ガラス基板上に透明導電膜4が形成され、その上に実施例5と同様に、正孔輸送層、発光層、陰極層の順に積層した。こうして得られた有機EL素子に13Vの直流電流を印加したところ、正面輝度2000cd/m2の均一な緑色発光が確認された。
2 下地層
3 型
4 透明導電膜
4a 透明電極層
4b 透明電極層
5 透明導電膜付き基板
6 非晶質シリコン光電変換ユニット
61 p型非晶質シリコンカーバイド層
62 i型非晶質シリコン層
63 n型微結晶シリコン層
7 結晶質シリコン光電変換ユニット
71 p型微結晶シリコン層
72 i型結晶質シリコン層
73 n型微結晶シリコン層
8 裏面電極層
81 酸化亜鉛層
82 Ag層
9 正孔輸送層
10 発光層
11 陰極層
12 アルカリ金属層
13 金属層
次に比較例3として実施例3と同様に二接合型薄膜シリコン太陽電池を形成した。但し、比較例3においては第2の透明電極層4bが形成されず、1層のみからなる透明導電膜4としてスパッタ法によりTiがドープされ酸化インジウムを300nmの厚さで形成した点において、実施例3とは異なっていた。
Claims (18)
- 透光性絶縁基板(1)上に、下地層(2)および透明導電膜(4)がこの順に積層された透明導電膜付き基板(5)であって、前記下地層の透明導電膜側の表面はピラミッド型又は逆ピラミッド型の凹凸構造が形成されており、
前記透明導電膜(4)は、前記下地層(2)上に形成された第1の透明電極層(4a)と、透明導電膜最表面の第2の透明電極層(4b)を有し、
前記第2の透明電極層は減圧CVD法により形成された酸化亜鉛層であり、前記下地層よりも小さな凹凸構造を有する透明導電膜付き基板。 - 前記第1の透明電極層上に第2の透明電極層が形成されている、請求項1記載の透明導電膜付き基板。
- 前記下地層の凹凸構造は、ナノインプリント法により形成されたものである、請求項1または2に記載の透明導電膜付き基板。
- 前記下地層の凹凸構造が、単結晶シリコン基板をエッチングして形成された凹凸構造を下地層に転写するナノインプリント法により形成されたものである、請求項3に記載の透明導電膜付き基板。
- 前記下地層の透明導電膜側の表面に、ピラミッド型又は逆ピラミッド型の凹凸構造が連続して形成されている、請求項1〜4のいずれか1項に記載の透明導電膜付き基板。
- 前記下地層がSiO2を主成分とする、請求項1〜5のいずれか1項に記載の透明導電膜付き基板。
- 前記下地層の凹凸構造の高低差が前記透明導電膜の凹凸構造の高低差より大きく、かつ、前記下地層の凹凸構造の凸部の頂点間距離が前記透明導電膜の凸部の頂点間距離より大きい、請求項1〜6のいずれか1項に記載の透明導電膜付き基板。
- 前記下地層の凹凸構造は、高低差が100〜1000nm、凸部の頂点間距離が200〜2000nmであり、前記透明導電膜の凹凸構造は、高低差が20〜400nm、凸部の頂点間距離が50〜1000nmである、請求項1〜7のいずれか1項に記載の透明導電膜付き基板。
- 前記第1の透明電極層がインジウム−チタン複合酸化物により形成されている、請求項1〜8のいずれか1項に記載の透明導電膜付き基板。
- 前記第1の透明電極層が酸化亜鉛により形成されている、請求項1〜8のいずれか1項に記載の透明導電膜付き基板。
- 請求項1〜10のいずれか1項に記載の透明導電膜付き基板(5)上に、吸収可能な波長領域の異なる2以上の光電変換ユニット(6,7)と裏面電極層(8)とがこの順に積層された、多接合型薄膜光電変換装置。
- 前記光電変換ユニットとして、光入射側から少なくとも一つの非晶質シリコン光電変換ユニット(6)と結晶質シリコン光電変換ユニット(7)とがこの順に積層されている、請求項11に記載の多接合型薄膜光電変換装置。
- 請求項1〜10のいずれか1項に記載の透明導電膜付き基板(5)上に有機薄膜層からなる発光層(10)が設けられた発光素子。
- 請求項1〜10のいずれか1項記載の透明導電膜付き基板を製造する方法であって、
前記第2の透明電極層として、減圧CVD法により、表面に凹凸構造を有する酸化亜鉛層が形成される透明導電膜付き基板の製造方法。 - 前記第1の透明電極層および第2の透明電極層がいずれも減圧CVD法により形成され、
第1の透明電極層形成後に一旦製膜が停止され、その後に第2の透明電極層4bが形成される、請求項14に記載の透明導電膜付き基板の製造方法。 - 前記第1の透明電極層がスパッタ法により形成される、請求項14に記載の透明導電膜付き基板の製造方法。
- 前記下地層の凹凸構造が、ナノインプリント法により形成される、請求項14〜16のいずれか1項に記載の透明導電膜付き基板の製造方法。
- 前記下地層の凹凸構造が、単結晶シリコン基板をエッチングして形成された凹凸構造を下地層に転写するナノインプリント法により形成される、請求項17に記載の透明導電膜付き基板の製造方法。
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WO2008062685A1 (fr) * | 2006-11-20 | 2008-05-29 | Kaneka Corporation | Substrat accompagné de film conducteur transparent pour dispositif de conversion photoélectrique, procédé de fabrication du substrat et dispositif de conversion photoélectrique l'utilisant |
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JP5559704B2 (ja) | 2014-07-23 |
US20110290322A1 (en) | 2011-12-01 |
WO2010090142A1 (ja) | 2010-08-12 |
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