KR20110026109A - 태양 전지 및 그 제조 방법 - Google Patents
태양 전지 및 그 제조 방법 Download PDFInfo
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- KR20110026109A KR20110026109A KR1020090083876A KR20090083876A KR20110026109A KR 20110026109 A KR20110026109 A KR 20110026109A KR 1020090083876 A KR1020090083876 A KR 1020090083876A KR 20090083876 A KR20090083876 A KR 20090083876A KR 20110026109 A KR20110026109 A KR 20110026109A
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- solar cell
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- ion etching
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- 238000004519 manufacturing process Methods 0.000 title claims abstract description 22
- 239000004065 semiconductor Substances 0.000 claims abstract description 51
- 239000000758 substrate Substances 0.000 claims abstract description 45
- 239000002086 nanomaterial Substances 0.000 claims abstract description 19
- 239000012535 impurity Substances 0.000 claims abstract description 4
- 238000000034 method Methods 0.000 claims description 43
- 230000008569 process Effects 0.000 claims description 28
- 238000001020 plasma etching Methods 0.000 claims description 22
- 238000005530 etching Methods 0.000 claims description 19
- 230000008021 deposition Effects 0.000 claims description 10
- 238000000708 deep reactive-ion etching Methods 0.000 claims description 8
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims description 7
- 229910052710 silicon Inorganic materials 0.000 claims description 7
- 239000010703 silicon Substances 0.000 claims description 7
- 235000020637 scallop Nutrition 0.000 claims description 6
- 238000007639 printing Methods 0.000 claims description 5
- 241000237509 Patinopecten sp. Species 0.000 claims description 4
- 229910052581 Si3N4 Inorganic materials 0.000 claims description 3
- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 claims description 3
- 239000002210 silicon-based material Substances 0.000 claims description 3
- 239000000126 substance Substances 0.000 claims description 2
- 238000000992 sputter etching Methods 0.000 claims 1
- 230000003287 optical effect Effects 0.000 abstract 1
- 210000004027 cell Anatomy 0.000 description 22
- 238000000151 deposition Methods 0.000 description 9
- 229920000642 polymer Polymers 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 238000000623 plasma-assisted chemical vapour deposition Methods 0.000 description 3
- 230000001681 protective effect Effects 0.000 description 3
- 241000237503 Pectinidae Species 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000007888 film coating Substances 0.000 description 2
- 238000009501 film coating Methods 0.000 description 2
- 238000009623 Bosch process Methods 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
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- 238000005516 engineering process Methods 0.000 description 1
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- 150000002500 ions Chemical class 0.000 description 1
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- 239000003921 oil Substances 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 238000000206 photolithography Methods 0.000 description 1
- 229920006254 polymer film Polymers 0.000 description 1
- 238000002310 reflectometry Methods 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
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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
- H01L31/18—Processes or apparatus specially adapted for the manufacture or treatment of these devices or of parts thereof
- H01L31/1804—Processes or apparatus specially adapted for the manufacture or treatment of these devices or of parts thereof comprising only elements of Group IV of the Periodic Table
-
- 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
- H01L31/02—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
-
- 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
-
- 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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- Manufacturing & Machinery (AREA)
- Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- Electromagnetism (AREA)
- General Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Power Engineering (AREA)
- Photovoltaic Devices (AREA)
- Drying Of Semiconductors (AREA)
Abstract
Description
Claims (14)
- 제1도전형의 반도체 기판 표면 상에 텍스쳐링을 포함한 마이크로 구조물을 형성하는 단계;상기 반도체 기판 표면에 다수의 나노 구조물을 형성하는 단계;상기 제1도전형과 반대 도전형인 제2도전형의 불순물을 상기 반도체 기판 전면에 주입하여 에미터층을 형성하는 단계;상기 에미터층 상에 반사방지막을 형성하는 단계;상기 반사방지막의 일부 영역을 관통하여 상기 에미터층에 연결되도록 전면전극을 형성하는 단계; 및상기 전면전극이 형성된 면과 반대면인 상기 제1도전형 반도체 기판의 후면에 후면전극을 형성하는 단계를 포함하는 태양전지의 제조 방법.
- 제1항에 있어서,상기 나노 구조물 형성 단계는 심도 반응성 이온 식각(Deep Reactive Ion Etching, DRIE) 공정을 이용하여 나노팁(nanotips)을 형성하는 것임을 특징으로 태양전지의 제조 방법.
- 제2항에 있어서,상기 나노 구조물 형성 단계는 심도 반응성 이온 식각 공정을 2회 연속 실시하여 실리콘 나노팁을 형성하는 것임을 특징으로 하는 태양전지의 제조 방법.
- 제2항에 있어서,상기 나노 구조물 형성 단계는,상기 반도체 기판의 전면에 감광성막을 형성하기 위하여 감광성막을 도포하는 단계;자외선을 상기 감광성막에 선택적으로 노광시켜서 상기 감광성막을 일정한 형상으로 성형하는 단계; 및증착가스와 식각가스를 사용하여 상기 반도체 기판의 일면에 나노팁을 형성하기 위한 제1차 심도 반응성 이온 식각을 수행하는 제1차 심도 반응성 이온 식각 단계를 포함하는 것을 특징으로 하는 태양전지의 제조 방법.
- 제4항에 있어서,상기 나노 구조물 형성 단계는,상기 감광성막을 제거하기 위한 감광성막 제거 단계; 및증착가스와 식각가스를 사용하여 상기 반도체 기판의 일면에 나노팁을 형성 하기 위한 제2차 심도 반응성 이온 식각을 수행하는 제2차 심도 반응성 이온 식각 단계를 더 포함하는 것을 특징으로 하는 태양전지의 제조 방법.
- 제1항에 있어서,상기 나노 구조물은 실리콘 물질로 형성되는 것을 특징으로 하는 태양전지의 제조 방법.
- 제4항에 있어서,상기 제1차 심도 반응성 이온 식각 공정은 상기 반도체 기판에 물결무늬의 스캘럽을 형성하는 것을 특징으로 하는 태양전지의 제조 방법.
- 제5항에 있어서,상기 제2차 심도 반응성 이온 식각 공정은 상기 반도체 기판에 나노팁을 형성하는 것을 특징으로 하는 태양전지의 제조 방법.
- 제4항에 있어서,상기 증착가스는 C4F8 가스를 포함하는 것임을 특징으로 하는 태양전지의 제조 방법.
- 제4항에 있어서,상기 식각가스는 SF6 가스를 포함하는 것임을 특징으로 하는 태양전지의 제조 방법.
- 제1항에 있어서,상기 반사방지막은 실리콘나이트라이드를 포함하여 이루어지는 것임을 특징으로 하는 태양전지의 제조 방법.
- 제1항에 있어서,상기 반사방지막은 플라즈마 화학기상증착법(Plasma Enhanced Chemical Vapor Deposion, PECVD)에 의해 형성되는 것을 특징으로 하는 태양전지의 제조 방법.
- 제1항에 있어서,상기 전면전극 및 후면전극은 인쇄법(Printing)에 의해 형성되는 것을 특징으로 하는 태양전지의 제조 방법.
- 제1항 내지 제13항 중 어느 한 항에 따른 제조 방법을 이용하여 제조된 태양전지.
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
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WO2012157853A2 (ko) * | 2011-05-16 | 2012-11-22 | 재단법인대구경북과학기술원 | 실리콘 태양전지 및 그 제조방법 |
US11355584B2 (en) | 2008-04-14 | 2022-06-07 | Advanced Silicon Group Technologies, Llc | Process for fabricating silicon nanostructures |
Families Citing this family (1)
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KR102169011B1 (ko) * | 2018-12-27 | 2020-10-22 | 한국광기술원 | 이산화티타늄 나노튜브를 갖는 태양전지 및 이를 이용한 수소 및 전기 발생장치 |
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US11355584B2 (en) | 2008-04-14 | 2022-06-07 | Advanced Silicon Group Technologies, Llc | Process for fabricating silicon nanostructures |
WO2012157853A2 (ko) * | 2011-05-16 | 2012-11-22 | 재단법인대구경북과학기술원 | 실리콘 태양전지 및 그 제조방법 |
WO2012157853A3 (ko) * | 2011-05-16 | 2013-01-10 | 재단법인대구경북과학기술원 | 실리콘 태양전지 및 그 제조방법 |
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