KR20110026628A - 고효율 태양전지 및 그의 제조방법 - Google Patents
고효율 태양전지 및 그의 제조방법 Download PDFInfo
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- KR20110026628A KR20110026628A KR1020090084365A KR20090084365A KR20110026628A KR 20110026628 A KR20110026628 A KR 20110026628A KR 1020090084365 A KR1020090084365 A KR 1020090084365A KR 20090084365 A KR20090084365 A KR 20090084365A KR 20110026628 A KR20110026628 A KR 20110026628A
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- Prior art keywords
- transparent conductive
- conductive layer
- solar cell
- etching
- layer
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- 238000004519 manufacturing process Methods 0.000 title abstract description 11
- 239000004065 semiconductor Substances 0.000 claims abstract description 36
- 239000000758 substrate Substances 0.000 claims abstract description 33
- 238000005530 etching Methods 0.000 claims description 56
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims description 25
- 229910052710 silicon Inorganic materials 0.000 claims description 25
- 239000010703 silicon Substances 0.000 claims description 25
- 238000000034 method Methods 0.000 claims description 21
- 239000011521 glass Substances 0.000 claims description 5
- 238000003486 chemical etching Methods 0.000 claims description 3
- 238000001020 plasma etching Methods 0.000 claims description 3
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 2
- 229910002804 graphite Inorganic materials 0.000 claims description 2
- 239000010439 graphite Substances 0.000 claims description 2
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 claims description 2
- 239000010453 quartz Substances 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 5
- 238000002834 transmittance Methods 0.000 description 19
- 238000004544 sputter deposition Methods 0.000 description 11
- 239000010408 film Substances 0.000 description 9
- 229910021420 polycrystalline silicon Inorganic materials 0.000 description 9
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 8
- 239000004020 conductor Substances 0.000 description 7
- 239000010409 thin film Substances 0.000 description 7
- XOLBLPGZBRYERU-UHFFFAOYSA-N tin dioxide Chemical compound O=[Sn]=O XOLBLPGZBRYERU-UHFFFAOYSA-N 0.000 description 6
- 230000000052 comparative effect Effects 0.000 description 5
- 239000000463 material Substances 0.000 description 5
- 229910052709 silver Inorganic materials 0.000 description 5
- 229910006404 SnO 2 Inorganic materials 0.000 description 4
- 238000006243 chemical reaction Methods 0.000 description 4
- 238000005229 chemical vapour deposition Methods 0.000 description 4
- 239000012535 impurity Substances 0.000 description 4
- 229910052751 metal Inorganic materials 0.000 description 4
- 239000002184 metal Substances 0.000 description 4
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 3
- 238000000151 deposition Methods 0.000 description 3
- 230000008021 deposition Effects 0.000 description 3
- AMGQUBHHOARCQH-UHFFFAOYSA-N indium;oxotin Chemical group [In].[Sn]=O AMGQUBHHOARCQH-UHFFFAOYSA-N 0.000 description 3
- 229920005591 polysilicon Polymers 0.000 description 3
- HUAUNKAZQWMVFY-UHFFFAOYSA-M sodium;oxocalcium;hydroxide Chemical compound [OH-].[Na+].[Ca]=O HUAUNKAZQWMVFY-UHFFFAOYSA-M 0.000 description 3
- 238000001771 vacuum deposition Methods 0.000 description 3
- 229910018072 Al 2 O 3 Inorganic materials 0.000 description 2
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- 229910004613 CdTe Inorganic materials 0.000 description 2
- 229910005191 Ga 2 O 3 Inorganic materials 0.000 description 2
- OAKJQQAXSVQMHS-UHFFFAOYSA-N Hydrazine Chemical compound NN OAKJQQAXSVQMHS-UHFFFAOYSA-N 0.000 description 2
- 229910052581 Si3N4 Inorganic materials 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- 229910021417 amorphous silicon Inorganic materials 0.000 description 2
- 238000000149 argon plasma sintering Methods 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 2
- 230000005684 electric field Effects 0.000 description 2
- 229910052757 nitrogen Inorganic materials 0.000 description 2
- 229910052698 phosphorus Inorganic materials 0.000 description 2
- 238000005268 plasma chemical vapour deposition Methods 0.000 description 2
- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 description 2
- 229910001887 tin oxide Inorganic materials 0.000 description 2
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 description 1
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 1
- 229910010413 TiO 2 Inorganic materials 0.000 description 1
- 238000003848 UV Light-Curing Methods 0.000 description 1
- 230000003471 anti-radiation Effects 0.000 description 1
- 239000007864 aqueous solution Substances 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 229910052796 boron Inorganic materials 0.000 description 1
- 239000002800 charge carrier Substances 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 125000004435 hydrogen atom Chemical class [H]* 0.000 description 1
- 238000009616 inductively coupled plasma Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229910052750 molybdenum Inorganic materials 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 239000011574 phosphorus Substances 0.000 description 1
- 230000010287 polarization Effects 0.000 description 1
- 238000007639 printing Methods 0.000 description 1
- 238000007650 screen-printing Methods 0.000 description 1
- 229910052814 silicon oxide Inorganic materials 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 238000004528 spin coating Methods 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 238000007655 standard test method Methods 0.000 description 1
- 229920001187 thermosetting polymer Polymers 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10F—INORGANIC SEMICONDUCTOR DEVICES SENSITIVE TO INFRARED RADIATION, LIGHT, ELECTROMAGNETIC RADIATION OF SHORTER WAVELENGTH OR CORPUSCULAR RADIATION
- H10F10/00—Individual photovoltaic cells, e.g. solar cells
- H10F10/10—Individual photovoltaic cells, e.g. solar cells having potential barriers
- H10F10/17—Photovoltaic cells having only PIN junction potential barriers
- H10F10/174—Photovoltaic cells having only PIN junction potential barriers comprising monocrystalline or polycrystalline materials
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10F—INORGANIC SEMICONDUCTOR DEVICES SENSITIVE TO INFRARED RADIATION, LIGHT, ELECTROMAGNETIC RADIATION OF SHORTER WAVELENGTH OR CORPUSCULAR RADIATION
- H10F71/00—Manufacture or treatment of devices covered by this subclass
- H10F71/10—Manufacture or treatment of devices covered by this subclass the devices comprising amorphous semiconductor material
- H10F71/103—Manufacture or treatment of devices covered by this subclass the devices comprising amorphous semiconductor material including only Group IV materials
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10F—INORGANIC SEMICONDUCTOR DEVICES SENSITIVE TO INFRARED RADIATION, LIGHT, ELECTROMAGNETIC RADIATION OF SHORTER WAVELENGTH OR CORPUSCULAR RADIATION
- H10F71/00—Manufacture or treatment of devices covered by this subclass
- H10F71/138—Manufacture of transparent electrodes, e.g. transparent conductive oxides [TCO] or indium tin oxide [ITO] electrodes
- H10F71/1385—Etching transparent electrodes
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10F—INORGANIC SEMICONDUCTOR DEVICES SENSITIVE TO INFRARED RADIATION, LIGHT, ELECTROMAGNETIC RADIATION OF SHORTER WAVELENGTH OR CORPUSCULAR RADIATION
- H10F77/00—Constructional details of devices covered by this subclass
- H10F77/20—Electrodes
- H10F77/244—Electrodes made of transparent conductive layers, e.g. transparent conductive oxide [TCO] layers
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10F—INORGANIC SEMICONDUCTOR DEVICES SENSITIVE TO INFRARED RADIATION, LIGHT, ELECTROMAGNETIC RADIATION OF SHORTER WAVELENGTH OR CORPUSCULAR RADIATION
- H10F77/00—Constructional details of devices covered by this subclass
- H10F77/30—Coatings
- H10F77/306—Coatings for devices having potential barriers
- H10F77/311—Coatings for devices having potential barriers for photovoltaic cells
- H10F77/315—Coatings for devices having potential barriers for photovoltaic cells the coatings being antireflective or having enhancing optical properties
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10F—INORGANIC SEMICONDUCTOR DEVICES SENSITIVE TO INFRARED RADIATION, LIGHT, ELECTROMAGNETIC RADIATION OF SHORTER WAVELENGTH OR CORPUSCULAR RADIATION
- H10F77/00—Constructional details of devices covered by this subclass
- H10F77/70—Surface textures, e.g. pyramid structures
- H10F77/707—Surface textures, e.g. pyramid structures of the substrates or of layers on substrates, e.g. textured ITO layer on a glass substrate
-
- 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
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- Photovoltaic Devices (AREA)
Abstract
Description
공정 압력 (Pa): 제 2투명도전층 | 제1투명 도전층의 개각(도) |
투과율 T(%) |
헤이즈 특성(%) | ||
비교예1 | 1 단계 에칭 전면전극 1 | 2차 식각 시행하지 않음 | 80.5 | 15.4 | |
비교예2 | 2 단계에칭 전면전극 1 | 0.1 | 32 | 77.1 | 17.7 |
실시예1 | 2 단계에칭 전면전극 2 | 0.5 | 62 | 80.8 | 45.0 |
실시예2 | 2 단계에칭 전면전극 3 | 1 | 54 | 81.9 | 47.0 |
실시예3 | 2 단계에칭 전면전극 4 | 2 | 67 | 83 | 47.5 |
실시예4 | 2 단계에칭 전면전극 5 | 3 | 70 | 81.8 | 44.2 |
실시예5 | 2 단계에칭 전면전극 6 | 4 | 80 | 80.9 | 42.3 |
실시예6 | 2 단계에칭 전면전극 7 | 5 | 92 | 80.8 | 40.0 |
비교예3 | 2 단계에칭 전면전극 8 | 10 | 181 | 74.1 | 21.4 |
Claims (9)
- 기판; 상기 기판 상에 형성된 투명도전층; 상기 투명도전층 상에 형성된 비정질 PIN 반도체층; 및 상기 비정질 PIN 반도체층 상에 형성된 후면전극을 포함하는 태양전지에 있어서, 상기 투명도전층이 표면상에 요철구조의 식각부를 포함하는 제 1 투명도전층과 상기 제 1 투명도전층 위에 형성되고 표면상에 요철구조의 식각부를 포함하는 제 2 투명도전층을 포함하는 것을 특징으로 하는 태양전지.
- 제 1항에 있어서, 상기 제 1 투명도전층의 식각부의 개각(opening angle)이 상기 제2 투명도전층의 식각부의 개각보다 큰 것을 특징으로 하는 태양전지.
- 제 2항에 있어서, 상기 제 1 투명도전층의 식각부의 개각은 120~130도이고, 상기 제2 투명도전층의 식각부의 개각은 52~92도인 것을 특징으로 하는 태양전지.
- 제 1항에 있어서, 상기 기판은 유리, 수정, 산화알루미늄, 흑연, 또는 유기 기판인 것을 특징으로 하는 태양전지.
- 제 1항에 있어서, 상기 식각부는 플라즈마에칭 또는 화학에칭의 의하여 식각된 것임을 특징으로 하는 태양전지.
- 제 1항에 있어서, 상기 태양전지가 후면전극 상에 형성된 반사방지막을 더 포함하는 것을 특징으로 하는 태양전지.
- 기판을 준비하는 단계;상기 기판 상에 제 1 투명 도전층을 형성한 후 1차 식각하여 제1 투명 도전층을 형성하는 단계;상기 제 1 투명도전층 위에 제2 투명도전층을 형성한 후에 2차 식각하는 단계;상기 제 2 투명도전층 상에 비정질의 N형 실리콘층, I형 실리콘층, P형 실리콘층을 순차적으로 형성하여 비정질 PIN 반도체층을 형성하는 단계; 및상기 비정질 비정질 PIN 반도체층 상에 후면전극을 형성하는 단계를 포함하는 태양전지 제조방법.
- 제 7항에 있어서, 상기 제 1 투명도전층의 식각부의 개각이 상기 제2 투명도전층의 식각부의 개각보다 크도록 식각을 행하는 것을 특징으로 하는 태양전지의 제조방법.
- 제 7항에 있어서, 상기 방법이 상기 후면전극 상에 반사방지막을 형성하는 단계를 더 포함하는 것을 특징으로 하는 태양전지 제조방법.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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KR1020090084365A KR20110026628A (ko) | 2009-09-08 | 2009-09-08 | 고효율 태양전지 및 그의 제조방법 |
Applications Claiming Priority (1)
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KR1020090084365A KR20110026628A (ko) | 2009-09-08 | 2009-09-08 | 고효율 태양전지 및 그의 제조방법 |
Publications (1)
Publication Number | Publication Date |
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KR20110026628A true KR20110026628A (ko) | 2011-03-16 |
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Family Applications (1)
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KR1020090084365A Ceased KR20110026628A (ko) | 2009-09-08 | 2009-09-08 | 고효율 태양전지 및 그의 제조방법 |
Country Status (1)
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KR (1) | KR20110026628A (ko) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2012134000A1 (ko) * | 2011-03-29 | 2012-10-04 | 주성엔지니어링(주) | 박막형 태양전지 및 그 제조방법 |
KR20120111873A (ko) * | 2011-03-29 | 2012-10-11 | 주성엔지니어링(주) | 박막형 태양전지 및 그 제조방법 |
-
2009
- 2009-09-08 KR KR1020090084365A patent/KR20110026628A/ko not_active Ceased
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2012134000A1 (ko) * | 2011-03-29 | 2012-10-04 | 주성엔지니어링(주) | 박막형 태양전지 및 그 제조방법 |
KR20120111873A (ko) * | 2011-03-29 | 2012-10-11 | 주성엔지니어링(주) | 박막형 태양전지 및 그 제조방법 |
TWI568002B (zh) * | 2011-03-29 | 2017-01-21 | 周星工程有限公司 | 薄膜型太陽能電池及其製造方法 |
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