JPWO2017042862A1 - 太陽電池の製造方法および太陽電池 - Google Patents
太陽電池の製造方法および太陽電池 Download PDFInfo
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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
- H01L31/04—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
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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
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- 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
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- 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
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Abstract
Description
図1は、本発明にかかる太陽電池の製造方法の実施の形態1を示す製造工程のフローチャートであり、図2(a)から(d)および図3(a)から(d)は、実施の形態1にかかる太陽電池の製造方法を示す工程断面図である。図2(a)から(d)は、本発明にかかる太陽電池の製造方法のうち、図1中に示す炉内での連続処理における太陽電池基板の変化を示す断面図である。図3(a)から(d)は本実施の形態1の製造工程中の、図2(a)から(d)に示す熱処理に続く工程での太陽電池の断面の変化を示す模式図である。図4は、炉内の温度と環境状態についてのタイムチャートを示す説明図である。
実施の形態2にかかる太陽電池の製造方法は、実施の形態1に示した太陽電池の製造方法に対し、受光面側、裏面側の何れかまたは両方に、部分的な高濃度拡散層を形成する。裏面側の酸化膜除去工程とリン拡散工程を除き同一であるため、実施の形態1を参照することとして詳細な説明は省略する。
Claims (7)
- 第1および第2主面を有する第1導電型の半導体基板に固相拡散源を成膜する工程と、
前記半導体基板を加熱し、前記固相拡散源から、第2導電型の不純物を拡散させ、第2導電型の拡散層を形成する熱処理工程とを含み、
前記熱処理工程に先立ち、
前記第2主面に成膜された前記固相拡散源を除去する工程を含むことを特徴とする太陽電池の製造方法。 - 前記熱処理工程後、酸素含有雰囲気中で連続して加熱し酸化膜を形成する酸化熱処理工程を含むことを特徴とする請求項1に記載の太陽電池の製造方法。
- 前記酸化熱処理工程は、膜厚5nm以上10nm以下の酸化膜を成膜する工程であることを特徴とする請求項2に記載の太陽電池の製造方法。
- 前記熱処理工程は、前記半導体基板を2枚重ねとし、前記第1主面を外側に、前記第2主面を合わせ面側とし、重ね合わせた状態で実施することを特徴とする請求項1から3のいずれか1項に記載の太陽電池の製造方法。
- 前記第2導電型の拡散層を形成する工程は、前記第2主面の一部に選択的に前記固相拡散源を形成する工程を含むことを特徴とする請求項1から4のいずれか1項に記載の太陽電池の製造方法。
- 前記第2導電型の拡散層を形成する工程は、前記酸化熱処理工程で形成された酸化膜を前記第2主面に残留させたまま、前記酸化膜を介して前記第2主面に選択的に前記固相拡散源を形成する工程を含むことを特徴とする請求項1から5のいずれか1項に記載の太陽電池の製造方法。
- 第1および第2主面を有する第1導電型の半導体基板と、
前記第1主面に形成された第2導電型の不純物拡散層と、
前記第2主面に形成された第1導電型の不純物拡散層とを含み、
前記第2主面上の第1導電型の不純物拡散層の濃度は全域において第2導電型の不純物拡散層の濃度より高いことを特徴とする太陽電池。
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PCT/JP2015/075335 WO2017042862A1 (ja) | 2015-09-07 | 2015-09-07 | 太陽電池の製造方法および太陽電池 |
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CN (1) | CN107851681A (ja) |
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TW201903851A (zh) * | 2017-06-13 | 2019-01-16 | 日商東京應化工業股份有限公司 | 太陽電池元件用矽基板之製造方法 |
CN110459642B (zh) * | 2018-11-06 | 2021-07-20 | 协鑫集成科技股份有限公司 | 钝化接触电池及其制备方法 |
CN110137306A (zh) * | 2019-05-08 | 2019-08-16 | 苏州联诺太阳能科技有限公司 | 一种具有透明导电氧化薄膜的电池的化学刻蚀方法 |
CN114792745B (zh) * | 2022-06-24 | 2023-05-23 | 山东芯源微电子有限公司 | 一种高效的太阳能发电基片导线区掺杂方法 |
CN115613007B (zh) * | 2022-10-13 | 2024-10-01 | 上海中欣晶圆半导体科技有限公司 | 一种改善翘曲的成膜方法 |
Citations (5)
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JPH10173208A (ja) * | 1996-12-10 | 1998-06-26 | Sharp Corp | 太陽電池セルの製造方法 |
US20010050170A1 (en) * | 2000-01-06 | 2001-12-13 | Rune Woie | Method and apparatus for downhole production zone |
JP2011061020A (ja) * | 2009-09-10 | 2011-03-24 | Sharp Corp | 裏面コンタクト型太陽電池素子およびその製造方法 |
JP2012049424A (ja) * | 2010-08-30 | 2012-03-08 | Shin Etsu Chem Co Ltd | 太陽電池及びその製造方法 |
WO2015087472A1 (ja) * | 2013-12-13 | 2015-06-18 | 信越化学工業株式会社 | 太陽電池の製造方法及び該製造方法によって得られた太陽電池 |
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CN103296103A (zh) * | 2012-02-29 | 2013-09-11 | 日本琵维吉咨询株式会社 | 太阳能电池单元及其制造方法 |
NL2010116C2 (en) * | 2013-01-11 | 2014-07-15 | Stichting Energie | Method of providing a boron doped region in a substrate and a solar cell using such a substrate. |
CN103996744A (zh) * | 2014-05-23 | 2014-08-20 | 奥特斯维能源(太仓)有限公司 | 采用新型掺杂方式的pert晶体硅太阳电池的制作方法 |
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Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH10173208A (ja) * | 1996-12-10 | 1998-06-26 | Sharp Corp | 太陽電池セルの製造方法 |
US20010050170A1 (en) * | 2000-01-06 | 2001-12-13 | Rune Woie | Method and apparatus for downhole production zone |
JP2011061020A (ja) * | 2009-09-10 | 2011-03-24 | Sharp Corp | 裏面コンタクト型太陽電池素子およびその製造方法 |
JP2012049424A (ja) * | 2010-08-30 | 2012-03-08 | Shin Etsu Chem Co Ltd | 太陽電池及びその製造方法 |
WO2015087472A1 (ja) * | 2013-12-13 | 2015-06-18 | 信越化学工業株式会社 | 太陽電池の製造方法及び該製造方法によって得られた太陽電池 |
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TWI654773B (zh) | 2019-03-21 |
CN107851681A (zh) | 2018-03-27 |
TW201721898A (zh) | 2017-06-16 |
WO2017042862A1 (ja) | 2017-03-16 |
JP6440853B2 (ja) | 2018-12-19 |
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