JP4384237B2 - Cis系薄膜太陽電池の製造方法 - Google Patents
Cis系薄膜太陽電池の製造方法 Download PDFInfo
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- JP4384237B2 JP4384237B2 JP2008131269A JP2008131269A JP4384237B2 JP 4384237 B2 JP4384237 B2 JP 4384237B2 JP 2008131269 A JP2008131269 A JP 2008131269A JP 2008131269 A JP2008131269 A JP 2008131269A JP 4384237 B2 JP4384237 B2 JP 4384237B2
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- 238000004519 manufacturing process Methods 0.000 title claims description 14
- 238000000034 method Methods 0.000 claims description 62
- 230000031700 light absorption Effects 0.000 claims description 46
- 239000011521 glass Substances 0.000 claims description 38
- 229910052751 metal Inorganic materials 0.000 claims description 38
- 239000002184 metal Substances 0.000 claims description 38
- 239000000758 substrate Substances 0.000 claims description 35
- 239000010408 film Substances 0.000 claims description 22
- 238000004544 sputter deposition Methods 0.000 claims description 18
- 229910052783 alkali metal Inorganic materials 0.000 claims description 17
- 150000001340 alkali metals Chemical class 0.000 claims description 17
- 239000007772 electrode material Substances 0.000 claims description 12
- 238000007740 vapor deposition Methods 0.000 claims description 10
- 238000007733 ion plating Methods 0.000 claims description 6
- 238000005987 sulfurization reaction Methods 0.000 claims description 5
- 238000010549 co-Evaporation Methods 0.000 claims description 4
- 238000001704 evaporation Methods 0.000 claims description 4
- 229910052750 molybdenum Inorganic materials 0.000 claims description 4
- 229910052719 titanium Inorganic materials 0.000 claims description 4
- 229910052804 chromium Inorganic materials 0.000 claims description 3
- 230000008020 evaporation Effects 0.000 claims description 3
- 229910052744 lithium Inorganic materials 0.000 claims description 3
- 229910052700 potassium Inorganic materials 0.000 claims description 3
- 239000011347 resin Substances 0.000 claims description 2
- 229920005989 resin Polymers 0.000 claims description 2
- 229910052708 sodium Inorganic materials 0.000 claims description 2
- 239000003513 alkali Substances 0.000 description 18
- 238000006243 chemical reaction Methods 0.000 description 13
- 239000010949 copper Substances 0.000 description 11
- 150000001875 compounds Chemical class 0.000 description 9
- 229910052738 indium Inorganic materials 0.000 description 9
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 description 8
- 229910052733 gallium Inorganic materials 0.000 description 8
- 229910052802 copper Inorganic materials 0.000 description 6
- 239000000463 material Substances 0.000 description 6
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 description 4
- 230000015572 biosynthetic process Effects 0.000 description 4
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- 229910052711 selenium Inorganic materials 0.000 description 3
- 239000004065 semiconductor Substances 0.000 description 3
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- 239000013077 target material Substances 0.000 description 3
- 239000011701 zinc Substances 0.000 description 3
- 240000002329 Inga feuillei Species 0.000 description 2
- 230000002411 adverse Effects 0.000 description 2
- 238000000231 atomic layer deposition Methods 0.000 description 2
- DVRDHUBQLOKMHZ-UHFFFAOYSA-N chalcopyrite Chemical group [S-2].[S-2].[Fe+2].[Cu+2] DVRDHUBQLOKMHZ-UHFFFAOYSA-N 0.000 description 2
- 239000013078 crystal Substances 0.000 description 2
- 238000002488 metal-organic chemical vapour deposition Methods 0.000 description 2
- 239000002243 precursor Substances 0.000 description 2
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 229910000807 Ga alloy Inorganic materials 0.000 description 1
- GYHNNYVSQQEPJS-UHFFFAOYSA-N Gallium Chemical compound [Ga] GYHNNYVSQQEPJS-UHFFFAOYSA-N 0.000 description 1
- 229910000846 In alloy Inorganic materials 0.000 description 1
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 description 1
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 1
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 1
- 239000006096 absorbing agent Substances 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 229910052796 boron Inorganic materials 0.000 description 1
- 229910052793 cadmium Inorganic materials 0.000 description 1
- 239000013626 chemical specie Substances 0.000 description 1
- 238000005229 chemical vapour deposition Methods 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000002019 doping agent Substances 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- APFVFJFRJDLVQX-UHFFFAOYSA-N indium atom Chemical compound [In] APFVFJFRJDLVQX-UHFFFAOYSA-N 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 239000011733 molybdenum Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 229920001721 polyimide Polymers 0.000 description 1
- 239000009719 polyimide resin Substances 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 239000005361 soda-lime glass Substances 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000011593 sulfur Substances 0.000 description 1
- 229910052725 zinc Inorganic materials 0.000 description 1
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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
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- H01L31/0749—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 including a AIBIIICVI compound, e.g. CdS/CulnSe2 [CIS] heterojunction solar cells
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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
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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
- H01L31/0256—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 the material
- H01L31/0264—Inorganic materials
- H01L31/032—Inorganic materials including, apart from doping materials or other impurities, only compounds not provided for in groups H01L31/0272 - H01L31/0312
- H01L31/0322—Inorganic materials including, apart from doping materials or other impurities, only compounds not provided for in groups H01L31/0272 - H01L31/0312 comprising only AIBIIICVI chalcopyrite compounds, e.g. Cu In Se2, Cu Ga Se2, Cu In Ga Se2
- H01L31/0323—Inorganic materials including, apart from doping materials or other impurities, only compounds not provided for in groups H01L31/0272 - H01L31/0312 comprising only AIBIIICVI chalcopyrite compounds, e.g. Cu In Se2, Cu Ga Se2, Cu In Ga Se2 characterised by the doping material
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- H01L31/03923—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 AIBIIICVI compound materials, e.g. CIS, CIGS
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- Physical Vapour Deposition (AREA)
Description
ガラス基板1上に高Na濃度Mo層21、低Na濃度Mo層22の順で金属裏面電極を形成後、表1のプロセス条件に従ってp型光吸収層3、n型高抵抗バッファ層4及びn型透明導電膜窓層5を形成した。低NaターゲットのNa濃度は10原子数ppmに固定し、高Naターゲットの濃度を表2の4種類に設定し、高Na濃度Mo層21、低Na濃度Mo層22の膜厚を変化させた。この場合の実験結果を表3に示す。
ガラス基板1上に高Na濃度Mo層21、低Na濃度Mo層22の順で金属裏面電極2を形成後、表1のプロセス条件に従ってp型光吸収層3、n型高抵抗バッファ層4及びn型透明導電膜窓層5を形成したCIS系薄膜太陽電池について、その光電変換効率を測定した。この場合、低Naターゲットの濃度として表2に示す3種類を選択し、高Naターゲットの濃度は1原子数%で固定し、高Na濃度Mo層21、低Na濃度Mo層22の膜厚を変化させた。この場合の実験結果を表4に示す。
2 金属裏面電極層
3 p型光吸収層
4 n型高抵抗バッファ層
5 n型透明導電膜窓層
21、24、26 Na含有Mo層
22、23、25、27 Mo層
100 スパッタ装置
102 Moターゲット
104 Na含有Moターゲット
106 Moターゲット
Claims (11)
- 基板上に裏面電極層を形成し、
前記裏面電極層上にp型CIS系光吸収層を形成し、
前記p型CIS系光吸収層上にn型透明導電膜を形成する、各ステップを備えるCIS系薄膜太陽電池の製造方法において、
前記裏面電極層を形成するステップは、アルカリ金属を混入させた裏面電極材料を用いて第1の電極層を形成するステップと、前記アルカリ金属を実質的に含まない前記裏面電極材料を用いて第2の電極層を形成するステップとを備える、CIS系薄膜太陽電池の製造方法。 - 請求項1に記載の方法において、前記基板は高歪点ガラス、無アルカリガラス、金属または樹脂のいずれかによって形成される、CIS系薄膜太陽電池の製造方法。
- 請求項2に記載の方法において、前記裏面電極材料はMoであり、前記アルカリ金属はNaである、CIS系薄膜太陽電池の製造方法。
- 請求項3に記載の方法において、前記第1の電極層は、Naを少なくとも0.3原子数%含むMoをターゲットまたは蒸着源として用いて形成される、CIS系薄膜太陽電池の製造方法。
- 請求項3に記載の方法において、前記第2の電極層は、0.01原子数%以下のNaを含むMoをターゲットまたは蒸着源として用いて形成される、CIS系薄膜太陽電池の製造方法。
- 請求項4に記載の方法において、前記第2の電極層は、0.01原子数%以下のNaを含むMoをターゲットまたは蒸着源として用いて形成される、CIS系薄膜太陽電池の製造方法。
- 請求項1に記載の方法において、前記第1の電極層と前記第2の電極層はスパッタ法、蒸着法またはイオンプレーティング法のいずれかで形成される、CIS系薄膜太陽電池の製造方法。
- 請求項1に記載の方法において、前記裏面電極材料はMo、Ti、Crのいずれかである、CIS系薄膜太陽電池の製造方法。
- 請求項1に記載の方法において、前記アルカリ金属はNa、K、Liのいずれかである、CIS系薄膜太陽電池の製造方法。
- 請求項1に記載の方法において、前記p型光吸収層はセレン化/硫化法、または多源同時蒸着法で形成される、CIS系薄膜太陽電池の製造方法。
- 請求項1に記載の方法において、前記p型光吸収層を形成するステップと前記n型透明導電膜を形成するステップ間に、n型高抵抗バッファ層を形成するステップを含む、CIS系薄膜太陽電池の製造方法。
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
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JP2008131269A JP4384237B2 (ja) | 2008-05-19 | 2008-05-19 | Cis系薄膜太陽電池の製造方法 |
PCT/JP2009/059465 WO2009142308A1 (ja) | 2008-05-19 | 2009-05-18 | Cis系薄膜太陽電池の製造方法 |
EP09750670.3A EP2280419A4 (en) | 2008-05-19 | 2009-05-18 | METHOD FOR PRODUCING A CIS THIN FILM SOLAR CELL |
US12/671,068 US7989256B2 (en) | 2008-05-19 | 2009-05-18 | Method for manufacturing CIS-based thin film solar cell |
KR1020107024915A KR101613184B1 (ko) | 2008-05-19 | 2009-05-18 | Cis계 박막태양전지의 제조방법 |
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JP2008131269A JP4384237B2 (ja) | 2008-05-19 | 2008-05-19 | Cis系薄膜太陽電池の製造方法 |
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JP4384237B2 true JP4384237B2 (ja) | 2009-12-16 |
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US (1) | US7989256B2 (ja) |
EP (1) | EP2280419A4 (ja) |
JP (1) | JP4384237B2 (ja) |
KR (1) | KR101613184B1 (ja) |
WO (1) | WO2009142308A1 (ja) |
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