JP2012023180A - 電子デバイス用基板および該基板を備えた光電変換装置 - Google Patents
電子デバイス用基板および該基板を備えた光電変換装置 Download PDFInfo
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Classifications
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K1/00—Printed circuits
- H05K1/02—Details
- H05K1/03—Use of materials for the substrate
- H05K1/05—Insulated conductive substrates, e.g. insulated metal substrate
- H05K1/053—Insulated conductive substrates, e.g. insulated metal substrate the metal substrate being covered by an inorganic insulating layer
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- H01L31/02—Details
- H01L31/0224—Electrodes
- H01L31/022408—Electrodes for devices characterised by at least one potential jump barrier or surface barrier
- H01L31/022425—Electrodes for devices characterised by at least one potential jump barrier or surface barrier for solar cells
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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
- H01L31/0248—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
- H01L31/03926—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 comprising a flexible substrate
- H01L31/03928—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 comprising a flexible substrate including AIBIIICVI compound, e.g. CIS, CIGS deposited on metal or polymer foils
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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
- H01L31/042—PV modules or arrays of single PV cells
- H01L31/0445—PV modules or arrays of single PV cells including thin film solar cells, e.g. single thin film a-Si, CIS or CdTe solar cells
- H01L31/046—PV modules composed of a plurality of thin film solar cells deposited on the same substrate
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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
- H01L31/042—PV modules or arrays of single PV cells
- H01L31/0445—PV modules or arrays of single PV cells including thin film solar cells, e.g. single thin film a-Si, CIS or CdTe solar cells
- H01L31/046—PV modules composed of a plurality of thin film solar cells deposited on the same substrate
- H01L31/0465—PV modules composed of a plurality of thin film solar cells deposited on the same substrate comprising particular structures for the electrical interconnection of adjacent PV cells in the module
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- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
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- Y02E10/541—CuInSe2 material PV cells
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Abstract
【解決手段】金属基板10の表面に陽極酸化アルミナ膜14を備えてなる絶縁層付金属基板であって、少なくとも一辺に切断端面15a、15bを有する絶縁層付金属基板15と、該絶縁層付金属基板15上の切断端面15a、15bよりも200μm以上内側にのみ設けられた電極層20とから電子デバイス用基板1を構成する。
【選択図】図1
Description
該絶縁層付金属基板上の前記切断端面よりも200μm以上内側にのみ設けられた電極層とを備えていることを特徴とするものである。
該絶縁層付金属基板上の前記陽極酸化アルミナ膜上に一様に形成されてなる電極層とを備え、
前記電極層が、前記絶縁層付金属基板の前記切断端面よりも200μm以上内側の所定位置で、端面領域と内側領域とに電気的に分離されていることを特徴とするものである。
該電子デバイス用基板の前記電極層上に順次設けられた、光電変換層および透明電極層とを備え、
前記電極層、前記光電変換層および前記透明電極層により光電変換回路が形成されていることを特徴とするものである。
該電子デバイス用基板の前記電極層上に順次設けられた、光電変換層および透明電極層とを備え、
前記光電変換層および前記透明電極層が、前記電極層と共に、前記所定位置で、端面領域と内側領域とに分離されており、該内側領域に形成された、前記電極層、前記光電変換層および前記透明電極層により光電変換回路が形成されていることを特徴とするものである。
図1は第1の実施形態の電子デバイス用基板1を模式的に示す斜視図である。
図4は第2の実施形態の電子デバイス用基板2を模式的に示す斜視図である。第1の実施形態の電子デバイス用基板1と同様の要素には同一符号を付し、詳細な説明は省略する。
図5は第3の実施形態の電子デバイス用基板3を模式的に示す斜視図である。ここでも第1の実施形態の電子デバイス用基板1と同様の要素には同一符号を付し、詳細な説明は省略する。
図7は、第1の実施形態の光電変換装置である集積型の太陽電池5の一部を示す断面図である。
光電変換層30は光吸収により電荷を発生する層であり、化合物半導体からなるものである。なお、光電変換層30を、絶縁層付金属基板上に下部電極を介して成膜する際には、基板温度500℃以上の条件下で成膜を行う。500℃以上の成膜温度で成膜することにより、光吸収特性および光電変換特性の良好な光電変換層を得ることができる。
CuAlS2,CuGaS2,CuInS2,
CuAlSe2,CuGaSe2,CuInSe2(CIS),
AgAlS2,AgGaS2,AgInS2,
AgAlSe2,AgGaSe2,AgInSe2,
AgAlTe2,AgGaTe2,AgInTe2,
Cu(In1−xGax)Se2(CIGS),Cu(In1−xAlx)Se2,Cu(In1−xGax)(S,Se)2,
Ag(In1−xGax)Se2,およびAg(In1−xGax)(S,Se)2等が挙げられる。
バッファ層40は、CdS、ZnS、Zn(S,O)、あるいはZn(S,O,OH)、を主成分とする層からなる。例えば、CBD法(化学浴析出法)により作製することができる。バッファ層40の膜厚は特に制限されず、10nm〜0.5μmが好ましく、15〜200nmがより好ましい。
透明電極層50の材料は、特に制限されないが、ZnO:Al等のn−ZnO等が好ましい。また、透明電極層50の膜厚は特に制限されず、50nm〜2μmが好ましい。
太陽電池5は必要に応じて、上記で説明した以外の任意の層を備えることができる。
図9は、第2の実施形態の光電変換装置である集積型の太陽電池6の一部を示す断面図である。
以下、本発明についての検証実験について説明する。
冷間圧延法により作製された、Al(30μm)/SUS(100μm)/Al(30μm)クラッド板を金属基板として用いた。Alの純度は99.5%のものを用い、陽極酸化処理を施した。
上記処理を施して形成された金属基板表面に陽極酸化膜を備えた基板を3cm角に切り出(切断)した。切断には押し切りカッターを用いた。
切断端面を観察したところ、切断部周辺の陽極酸化膜に亀裂が発生していることが認められた。図10は切断端面近傍の顕微鏡写真である。図10に示すように、基板の端面から亀裂(クラック)が生じていることが分かる。
上記のようにして得られた3cm角の絶縁層付金属基板について、絶縁層(陽極酸化アルミ)上にMo電極を成膜して耐電圧を測定した。
5、6 太陽電池(光電変換装置)
10、10’ 金属基板
11 金属基材
12、12’ Al材
14、14’ 陽極酸化膜
15 絶縁層付金属基板
20 電極層
22 スクライブライン
30 光電変換層
40 バッファ層
50 透明電極層
Claims (11)
- 金属基板の表面に陽極酸化アルミナ膜を備えてなる絶縁層付金属基板であって、少なくとも一辺に切断端面を有する絶縁層付金属基板と、
該絶縁層付金属基板上の前記切断端面よりも200μm以上内側にのみ設けられた電極層とを備えていることを特徴とする電子デバイス用基板。 - 前記電極層が、前記切断端面よりも300μm以上内側にのみ備えられていることを特徴とする請求項1記載の電子デバイス用基板。
- 前記金属基板が、Alよりも、線熱膨張係数が小さく、かつ剛性が高く、かつ耐熱性が高い金属基材と、Al材とが一体化されてなるものであることを特徴とする請求項1または2記載の電子デバイス用基板。
- 前記金属基材が、鉄鋼材であることを特徴とする請求項3記載の電子デバイス用基板。
- 金属基板の表面に陽極酸化アルミナ膜を備えてなる絶縁層付金属基板であって、少なくとも一辺に切断端面を有する絶縁層付金属基板と、
該絶縁層付金属基板上の前記陽極酸化アルミナ膜上に一様に形成されてなる電極層とを備え、
前記電極層が、前記絶縁層付金属基板の前記切断端面よりも200μm以上内側の所定位置で、端面領域と内側領域とに電気的に分離されていることを特徴とする電子デバイス用基板。 - 前記所定位置が、前記切断端面よりも300μm以上内側に位置していることを特徴とする請求項5記載の電子デバイス用基板。
- 前記金属基板が、Alよりも、線熱膨張係数が小さく、かつ剛性が高く、かつ耐熱性が高い金属基材と、Al材とが一体化されてなるものであることを特徴とする請求項5または6記載の電子デバイス用基板。
- 前記金属基材が、鉄鋼材であることを特徴とする請求項9記載の電子デバイス用基板。
- 請求項1から4いずれか1項記載の電子デバイス用基板と、
該電子デバイス用基板の前記電極層上に順次設けられた、光電変換層および透明電極層とを備え、
前記電極層、前記光電変換層および前記透明電極層により光電変換回路が形成されていることを特徴とする光電変換装置。 - 請求項5から8いずれか1項記載の電子デバイス用基板と、
該電子デバイス用基板の前記電極層上に順次設けられた、光電変換層および透明電極層とを備え、
前記光電変換層および前記透明電極層が、前記電極層と共に、前記所定位置で、端面領域と内側領域とに分離されており、該内側領域に形成された、前記電極層、前記光電変換層および前記透明電極層により光電変換回路が形成されていることを特徴とする光電変換装置。 - 前記光電変換層が、化合物半導体からなるものであり、
該光電変換層と前記透明電極層との間にバッファ層を備えてなることを特徴とする請求項9または10記載の光電変換装置。
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JP2010159517A JP2012023180A (ja) | 2010-07-14 | 2010-07-14 | 電子デバイス用基板および該基板を備えた光電変換装置 |
CN2011800345637A CN103026495A (zh) | 2010-07-14 | 2011-07-12 | 电子器件用基板及包含该基板的光电转换器件 |
PCT/JP2011/003991 WO2012008149A1 (ja) | 2010-07-14 | 2011-07-12 | 電子デバイス用基板および該基板を備えた光電変換装置 |
KR1020137003687A KR20130100984A (ko) | 2010-07-14 | 2011-07-12 | 전자 디바이스용 기판 및 그 기판을 구비한 광전 변환 장치 |
US13/737,783 US20130118578A1 (en) | 2010-07-14 | 2013-01-09 | Substrate for electronic device, and photoelectric conversion device including the same |
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KR20130100984A (ko) | 2013-09-12 |
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US20130118578A1 (en) | 2013-05-16 |
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