JP5723143B2 - 裏面電極型太陽電池の製造方法、および裏面電極型太陽電池 - Google Patents
裏面電極型太陽電池の製造方法、および裏面電極型太陽電池 Download PDFInfo
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- 238000004519 manufacturing process Methods 0.000 title claims description 26
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims description 89
- 229910052710 silicon Inorganic materials 0.000 claims description 89
- 239000010703 silicon Substances 0.000 claims description 89
- 239000000758 substrate Substances 0.000 claims description 80
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 60
- 229910052814 silicon oxide Inorganic materials 0.000 claims description 54
- 238000002161 passivation Methods 0.000 claims description 53
- 238000009792 diffusion process Methods 0.000 claims description 49
- 238000010438 heat treatment Methods 0.000 claims description 39
- 239000012535 impurity Substances 0.000 claims description 25
- 238000000034 method Methods 0.000 claims description 22
- 230000003647 oxidation Effects 0.000 claims description 18
- 238000007254 oxidation reaction Methods 0.000 claims description 18
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims description 15
- 239000012299 nitrogen atmosphere Substances 0.000 claims description 13
- -1 titanium alkoxide Chemical class 0.000 claims description 13
- OGIDPMRJRNCKJF-UHFFFAOYSA-N titanium oxide Inorganic materials [Ti]=O OGIDPMRJRNCKJF-UHFFFAOYSA-N 0.000 claims description 13
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 9
- 239000010936 titanium Substances 0.000 claims description 8
- 229910052719 titanium Inorganic materials 0.000 claims description 8
- 238000011282 treatment Methods 0.000 claims description 3
- BHEPBYXIRTUNPN-UHFFFAOYSA-N hydridophosphorus(.) (triplet) Chemical compound [PH] BHEPBYXIRTUNPN-UHFFFAOYSA-N 0.000 claims 1
- 230000006798 recombination Effects 0.000 description 20
- 238000005215 recombination Methods 0.000 description 20
- 239000011574 phosphorus Substances 0.000 description 19
- 229910052698 phosphorus Inorganic materials 0.000 description 19
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 17
- 239000001301 oxygen Substances 0.000 description 17
- 229910052760 oxygen Inorganic materials 0.000 description 17
- 239000004065 semiconductor Substances 0.000 description 15
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 14
- 230000015572 biosynthetic process Effects 0.000 description 14
- 239000012298 atmosphere Substances 0.000 description 13
- KFZMGEQAYNKOFK-UHFFFAOYSA-N Isopropanol Chemical compound CC(C)O KFZMGEQAYNKOFK-UHFFFAOYSA-N 0.000 description 9
- 238000005530 etching Methods 0.000 description 9
- 238000010586 diagram Methods 0.000 description 8
- 229910052751 metal Inorganic materials 0.000 description 7
- 239000002184 metal Substances 0.000 description 7
- 230000002093 peripheral effect Effects 0.000 description 6
- KRHYYFGTRYWZRS-UHFFFAOYSA-N Fluorane Chemical compound F KRHYYFGTRYWZRS-UHFFFAOYSA-N 0.000 description 5
- 239000011248 coating agent Substances 0.000 description 5
- 238000000576 coating method Methods 0.000 description 5
- 230000000052 comparative effect Effects 0.000 description 5
- 238000005259 measurement Methods 0.000 description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 5
- 239000000243 solution Substances 0.000 description 4
- VXUYXOFXAQZZMF-UHFFFAOYSA-N titanium(IV) isopropoxide Chemical compound CC(C)O[Ti](OC(C)C)(OC(C)C)OC(C)C VXUYXOFXAQZZMF-UHFFFAOYSA-N 0.000 description 4
- KWYUFKZDYYNOTN-UHFFFAOYSA-M Potassium hydroxide Chemical compound [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 description 3
- 229910052581 Si3N4 Inorganic materials 0.000 description 3
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 3
- 150000001875 compounds Chemical class 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 239000011521 glass Substances 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- 239000011259 mixed solution Substances 0.000 description 3
- 238000007650 screen-printing Methods 0.000 description 3
- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 description 3
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 description 2
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 description 2
- 238000002441 X-ray diffraction Methods 0.000 description 2
- 238000010306 acid treatment Methods 0.000 description 2
- 229910052796 boron Inorganic materials 0.000 description 2
- YWEUIGNSBFLMFL-UHFFFAOYSA-N diphosphonate Chemical compound O=P(=O)OP(=O)=O YWEUIGNSBFLMFL-UHFFFAOYSA-N 0.000 description 2
- 238000000059 patterning Methods 0.000 description 2
- 229910001392 phosphorus oxide Inorganic materials 0.000 description 2
- DLYUQMMRRRQYAE-UHFFFAOYSA-N phosphorus pentoxide Inorganic materials O1P(O2)(=O)OP3(=O)OP1(=O)OP2(=O)O3 DLYUQMMRRRQYAE-UHFFFAOYSA-N 0.000 description 2
- 239000000377 silicon dioxide Substances 0.000 description 2
- 235000012239 silicon dioxide Nutrition 0.000 description 2
- 239000002904 solvent Substances 0.000 description 2
- VSAISIQCTGDGPU-UHFFFAOYSA-N tetraphosphorus hexaoxide Chemical compound O1P(O2)OP3OP1OP2O3 VSAISIQCTGDGPU-UHFFFAOYSA-N 0.000 description 2
- 239000002562 thickening agent Substances 0.000 description 2
- DDFHBQSCUXNBSA-UHFFFAOYSA-N 5-(5-carboxythiophen-2-yl)thiophene-2-carboxylic acid Chemical compound S1C(C(=O)O)=CC=C1C1=CC=C(C(O)=O)S1 DDFHBQSCUXNBSA-UHFFFAOYSA-N 0.000 description 1
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 1
- 229910000147 aluminium phosphate Inorganic materials 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 239000007864 aqueous solution Substances 0.000 description 1
- LDDQLRUQCUTJBB-UHFFFAOYSA-O azanium;hydrofluoride Chemical compound [NH4+].F LDDQLRUQCUTJBB-UHFFFAOYSA-O 0.000 description 1
- 150000001639 boron compounds Chemical class 0.000 description 1
- 238000005229 chemical vapour deposition Methods 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 230000020169 heat generation Effects 0.000 description 1
- 229910000040 hydrogen fluoride Inorganic materials 0.000 description 1
- 238000007641 inkjet printing Methods 0.000 description 1
- 230000031700 light absorption Effects 0.000 description 1
- 230000000873 masking effect Effects 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 229910021421 monocrystalline silicon Inorganic materials 0.000 description 1
- 239000011368 organic material Substances 0.000 description 1
- 229920000620 organic polymer Polymers 0.000 description 1
- 239000003960 organic solvent Substances 0.000 description 1
- RLOWWWKZYUNIDI-UHFFFAOYSA-N phosphinic chloride Chemical compound ClP=O RLOWWWKZYUNIDI-UHFFFAOYSA-N 0.000 description 1
- 238000000623 plasma-assisted chemical vapour deposition Methods 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 239000002243 precursor Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 229910052709 silver Inorganic materials 0.000 description 1
- 239000004332 silver Substances 0.000 description 1
- 238000004544 sputter deposition Methods 0.000 description 1
- 239000012808 vapor phase Substances 0.000 description 1
Classifications
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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
- H01L31/0216—Coatings
- H01L31/02161—Coatings for devices characterised by at least one potential jump barrier or surface barrier
- H01L31/02167—Coatings for devices characterised by at least one potential jump barrier or surface barrier for solar cells
- H01L31/02168—Coatings for devices characterised by at least one potential jump barrier or surface barrier for solar cells the coatings being antireflective or having enhancing optical properties for the solar cells
-
- 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
- H01L31/04—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
- H01L31/068—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 homojunction type, e.g. bulk silicon PN homojunction solar cells or thin film polycrystalline silicon PN homojunction solar cells
- H01L31/0682—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 homojunction type, e.g. bulk silicon PN homojunction solar cells or thin film polycrystalline silicon PN homojunction solar cells back-junction, i.e. rearside emitter, solar cells, e.g. interdigitated base-emitter regions back-junction cells
-
- 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
- H01L31/18—Processes or apparatus specially adapted for the manufacture or treatment of these devices or of parts thereof
- H01L31/186—Particular post-treatment for the devices, e.g. annealing, impurity gettering, short-circuit elimination, recrystallisation
- H01L31/1864—Annealing
-
- 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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
- Y02E10/547—Monocrystalline silicon PV cells
-
- 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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
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- Engineering & Computer Science (AREA)
- Sustainable Development (AREA)
- Life Sciences & Earth Sciences (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- Electromagnetism (AREA)
- General Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- Sustainable Energy (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Manufacturing & Machinery (AREA)
- Photovoltaic Devices (AREA)
Description
S3の熱処理を酸素を含む雰囲気で行った後、S4の酸化シリコン膜形成温度Tを850℃で行った際の再結合電流J0を1とした場合の値である。また、S4で形成する酸化シリコン膜はパッシベーション膜に対応する膜であるので、そのパッシベーション性を確保するため酸化シリコン膜形成温度Tを850℃以上とした。なお、S4で形成する酸化シリコン膜は酸素を用いた熱酸化で形成した。
Claims (8)
- シリコン基板の受光面とは反対側の面にn型用電極とp型用電極とを有する裏面電極型太陽電池の製造方法において、
前記シリコン基板の受光面に、前記シリコン基板の導電型と同じ導電型になる不純物を含む化合物、チタンアルコキシドおよびアルコールを少なくとも含む溶液を塗布し窒素雰囲気で熱処理することにより受光面拡散層と反射防止膜とを形成する工程と、
前記受光面拡散層と前記反射防止膜とを形成する工程の後に、前記シリコン基板の受光面に熱酸化処理により受光面パッシベーション膜として酸化シリコンを形成する工程とを有する裏面電極型太陽電池の製造方法。 - 前記受光面パッシベーション膜を形成する工程における熱処理温度は、850℃より高い温度である請求項1に記載の裏面電極型太陽電池の製造方法。
- 前記受光面パッシベーション膜を形成する工程において、前記シリコン基板の裏面に裏面パッシベーション膜が形成される請求項1または2のいずれかに記載の裏面電極型太陽電池の製造方法。
- 前記受光面拡散層のシート抵抗が、100Ω/□以上250Ω/□未満である請求項1〜3のいずれかに記載の裏面電極型太陽電池の製造方法。
- 前記受光面拡散層と反射防止膜とを形成する工程と、前記受光面パッシベーション膜を形成する工程とを、一連の熱処理によって形成する請求項1〜4のいずれかに記載の裏面電極型太陽電池の製造方法。
- シリコン基板の受光面とは反対側の面にn型用電極とp型用電極とを有する裏面電極型太陽電池において、
前記シリコン基板の受光面側に形成された、前記シリコン基板の導電型と同じ導電型で不純物濃度が前記シリコン基板よりも高い濃度である受光面拡散層と、
前記受光面拡散層の受光面上に形成された受光面パッシベーション膜と、
前記受光面パッシベーション膜の受光面上に形成された、前記シリコン基板の導電型と同じ導電型の不純物を含む酸化チタンである反射防止膜とを有し、
前記受光面拡散層のシート抵抗が、100Ω/□以上250Ω/□未満である裏面電極型太陽電池。 - 前記反射防止膜に含まれる不純物がn型不純物であり、前記n型不純物はリン酸化物として15wt%〜35wt%含有する請求項7に記載の裏面電極型太陽電池。
- 前記受光面パッシベーション膜は、酸化シリコンである請求項6または7に記載の裏面電極型太陽電池。
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
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JP2010271134A JP5723143B2 (ja) | 2010-12-06 | 2010-12-06 | 裏面電極型太陽電池の製造方法、および裏面電極型太陽電池 |
PCT/JP2011/077912 WO2012077597A1 (ja) | 2010-12-06 | 2011-12-02 | 裏面電極型太陽電池の製造方法および裏面電極型太陽電池 |
CN2011800587316A CN103299432A (zh) | 2010-12-06 | 2011-12-02 | 背面电极型太阳能电池的制造方法及背面电极型太阳能电池 |
US13/990,538 US20130247980A1 (en) | 2010-12-06 | 2011-12-02 | Method for fabricating back electrode type solar cell, and back electrode type solar cell |
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JP2010271134A JP5723143B2 (ja) | 2010-12-06 | 2010-12-06 | 裏面電極型太陽電池の製造方法、および裏面電極型太陽電池 |
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JP2012124193A JP2012124193A (ja) | 2012-06-28 |
JP5723143B2 true JP5723143B2 (ja) | 2015-05-27 |
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Country Status (4)
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US (1) | US20130247980A1 (ja) |
JP (1) | JP5723143B2 (ja) |
CN (1) | CN103299432A (ja) |
WO (1) | WO2012077597A1 (ja) |
Families Citing this family (7)
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FI20125988A (fi) * | 2012-09-24 | 2014-03-25 | Optitune Oy | Menetelmä n-tyypin piisubstraatin modifioimiseksi |
US20150280018A1 (en) * | 2014-03-26 | 2015-10-01 | Seung Bum Rim | Passivation of light-receiving surfaces of solar cells |
JP6340069B2 (ja) * | 2014-04-04 | 2018-06-06 | 三菱電機株式会社 | 太陽電池の製造方法 |
JP6502651B2 (ja) | 2014-11-13 | 2019-04-17 | 信越化学工業株式会社 | 太陽電池の製造方法及び太陽電池モジュールの製造方法 |
WO2017099020A1 (ja) * | 2015-12-07 | 2017-06-15 | 東レ株式会社 | 半導体素子の製造方法および太陽電池の製造方法 |
JP6663492B2 (ja) | 2016-06-13 | 2020-03-11 | 信越化学工業株式会社 | 太陽電池、太陽電池の製造方法及び太陽電池の製造システム |
CN108767024B (zh) * | 2018-08-15 | 2024-01-26 | 浙江晶科能源有限公司 | 一种光伏组件 |
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US8138070B2 (en) * | 2009-07-02 | 2012-03-20 | Innovalight, Inc. | Methods of using a set of silicon nanoparticle fluids to control in situ a set of dopant diffusion profiles |
KR101027829B1 (ko) * | 2010-01-18 | 2011-04-07 | 현대중공업 주식회사 | 후면전극형 태양전지의 제조방법 |
JP5215330B2 (ja) * | 2010-02-01 | 2013-06-19 | シャープ株式会社 | 裏面電極型太陽電池の製造方法、裏面電極型太陽電池および裏面電極型太陽電池モジュール |
JP2011258767A (ja) * | 2010-06-09 | 2011-12-22 | Sharp Corp | 太陽電池 |
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2010
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2011
- 2011-12-02 US US13/990,538 patent/US20130247980A1/en not_active Abandoned
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US20130247980A1 (en) | 2013-09-26 |
CN103299432A (zh) | 2013-09-11 |
WO2012077597A1 (ja) | 2012-06-14 |
JP2012124193A (ja) | 2012-06-28 |
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