JPH11504762A - バックサーフィスフィールドを有するソーラーセル及びその製造方法 - Google Patents
バックサーフィスフィールドを有するソーラーセル及びその製造方法Info
- Publication number
- JPH11504762A JPH11504762A JP8527171A JP52717196A JPH11504762A JP H11504762 A JPH11504762 A JP H11504762A JP 8527171 A JP8527171 A JP 8527171A JP 52717196 A JP52717196 A JP 52717196A JP H11504762 A JPH11504762 A JP H11504762A
- Authority
- JP
- Japan
- Prior art keywords
- layer
- solar cell
- doped
- boron
- doping
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 20
- 238000000034 method Methods 0.000 claims abstract description 39
- 238000009792 diffusion process Methods 0.000 claims abstract description 38
- 229910052796 boron Inorganic materials 0.000 claims abstract description 32
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 claims abstract description 30
- 229910052782 aluminium Inorganic materials 0.000 claims abstract description 25
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims abstract description 25
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims abstract description 17
- 229910052710 silicon Inorganic materials 0.000 claims abstract description 17
- 239000010703 silicon Substances 0.000 claims abstract description 17
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 claims abstract description 13
- 229910052698 phosphorus Inorganic materials 0.000 claims abstract description 13
- 239000011574 phosphorus Substances 0.000 claims abstract description 13
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims abstract description 6
- 239000001301 oxygen Substances 0.000 claims abstract description 6
- 229910052760 oxygen Inorganic materials 0.000 claims abstract description 6
- 210000004027 cell Anatomy 0.000 claims description 60
- 235000012431 wafers Nutrition 0.000 claims description 27
- 238000005530 etching Methods 0.000 claims description 10
- 239000002019 doping agent Substances 0.000 claims description 9
- 238000002161 passivation Methods 0.000 claims description 5
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 claims description 3
- 210000005056 cell body Anatomy 0.000 claims description 3
- 238000007639 printing Methods 0.000 claims description 3
- 238000007650 screen-printing Methods 0.000 claims description 3
- 229910052709 silver Inorganic materials 0.000 claims description 3
- 239000004332 silver Substances 0.000 claims description 3
- FGUUSXIOTUKUDN-IBGZPJMESA-N C1(=CC=CC=C1)N1C2=C(NC([C@H](C1)NC=1OC(=NN=1)C1=CC=CC=C1)=O)C=CC=C2 Chemical compound C1(=CC=CC=C1)N1C2=C(NC([C@H](C1)NC=1OC(=NN=1)C1=CC=CC=C1)=O)C=CC=C2 FGUUSXIOTUKUDN-IBGZPJMESA-N 0.000 claims description 2
- 241000409201 Luina Species 0.000 claims description 2
- 238000000926 separation method Methods 0.000 claims description 2
- 229910052751 metal Inorganic materials 0.000 claims 1
- 239000002184 metal Substances 0.000 claims 1
- 239000010410 layer Substances 0.000 description 62
- 238000002513 implantation Methods 0.000 description 8
- 239000004065 semiconductor Substances 0.000 description 8
- 239000000758 substrate Substances 0.000 description 8
- 230000000873 masking effect Effects 0.000 description 6
- 150000001639 boron compounds Chemical class 0.000 description 5
- 239000002800 charge carrier Substances 0.000 description 4
- 230000007797 corrosion Effects 0.000 description 3
- 238000005260 corrosion Methods 0.000 description 3
- 239000007789 gas Substances 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- MYMOFIZGZYHOMD-UHFFFAOYSA-N Dioxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 150000001638 boron Chemical class 0.000 description 2
- 239000011248 coating agent Substances 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 239000007943 implant Substances 0.000 description 2
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 239000002904 solvent Substances 0.000 description 2
- 229910052581 Si3N4 Inorganic materials 0.000 description 1
- 229910004298 SiO 2 Inorganic materials 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 238000000137 annealing Methods 0.000 description 1
- 239000011230 binding agent Substances 0.000 description 1
- 230000037237 body shape Effects 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 230000002209 hydrophobic effect Effects 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 230000008520 organization Effects 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 239000011241 protective layer Substances 0.000 description 1
- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 description 1
- 239000002210 silicon-based material Substances 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
Classifications
-
- 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
-
- 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
- H01L31/0248—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
- H01L31/028—Inorganic materials including, apart from doping material or other impurities, only elements of Group IV of the Periodic Table
- H01L31/0288—Inorganic materials including, apart from doping material or other impurities, only elements of Group IV of the Periodic Table characterised by the doping material
-
- 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
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Computer Hardware Design (AREA)
- Power Engineering (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- Electromagnetism (AREA)
- General Physics & Mathematics (AREA)
- Physics & Mathematics (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Chemical & Material Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Inorganic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Sustainable Development (AREA)
- Photovoltaic Devices (AREA)
Abstract
Description
Claims (1)
- 【特許請求の範囲】 1.バックサーフィスフィールド(back-surface-field)を有するソーラーセル の製造方法において、 該製造方法は以下のステップを有する、すなわち a)ドープ剤としてホウ素を含有する拡散源層(2)をシリコンウェハ(1) の裏面側(RS)に塗付し、 b)酸化層(4)を生成し前記ドープ剤を注入するために、前記ウェハ(1) を酸素を含む雰囲気の中で900℃から1200℃の温度で処理し、 c)前記拡散源層(2)及び前記酸化層(4)を除去し、 d)n+ドーピングされたエミッタ層(7)を生成するためにリンを拡散注入 し、 e)前記ウェハ(1)の周縁部の前記n+ドーピングされた層(7)を分離し 、 f)アルミニウムを含有する裏面端子(3)を塗付し、 g)該裏面端子(3)を焼き付けるステップを有するバックサーフィスフィー ルドを有するソーラーセルの製造方法。 2.ステップa)において、拡散源層(2)としてホウ素ドーピングレジスト層 を塗付する、請求項1記載の方法。 3.ステップb)において、前記ウェハ(1)を1000℃から1100℃まで の温度にさらす、請求項1又は2記載の方法。 4.ステップc)において、前記拡散源層(2)及び前記酸化層(4)をHF溶 液によるエッチングによって除去する請求項1から3のうちの1項記載の方法。 5.ステップe)において、前記ウェハ(1)を密接に互いに上下に又は隣接し て積み重ね、 p+ドーピングされた層(7)の分離を前記ウェハの外部周縁部をエッチン グして除去することによって行う、請求項1から4までのうちの1項記載の方法 。 6.裏面端子を銀スクリーン印刷用ペーストをプリントすることによって塗付す る、請求項1から5までのうちの1項記載の方法。 7.ステップf)において、良好な導電性金属に加えて重量の1〜3パーセント のアルミニウムを含有する裏面端子(3)を塗付する、請求項1から6までのう ちの1項記載の方法。 8.ステップb)において、ホウ素を1〜5μmの深さにまで注入する、請求項 1から7までのうちの1項記載の方法。 9.pドーピングされたソーラーセル本体(1)を有し、 裏面側(RS)に1〜5μmの深さにまでホウ素によってp+ドーピングさ れた層領域(5)を有し、 少なくとも表面側にn+ドーピングされた層領域(7)を有し、 表面端子(9)を有し、 焼き付けられた銀の裏面端子(3)を有し、 該裏面端子(3)の領域にアルミニウムをドーピングされた接続領域(8) を有するソーラーセル。 10.前記裏面端子(3)は面全体には塗付されず、 前記裏面端子(3)によって被覆される裏面側の領域の間で、前記ホウ素ド ーピング(5)は比較的平坦なn+ドーピング(7)によって過剰補償される、 請求項9記載のソーラーセル。 11.反射防止層(10)を表面側(VS)に、酸化層(11)を不活性化層とし て裏面側(RS)に有する、請求項9又は10記載のソーラーセル。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19508712.7 | 1995-03-10 | ||
DE19508712A DE19508712C2 (de) | 1995-03-10 | 1995-03-10 | Solarzelle mit Back-Surface-Field und Verfahren zur Herstellung |
PCT/DE1996/000415 WO1996028851A1 (de) | 1995-03-10 | 1996-03-07 | Solarzelle mit back-surface-field und verfahren zur herstellung |
Publications (2)
Publication Number | Publication Date |
---|---|
JPH11504762A true JPH11504762A (ja) | 1999-04-27 |
JP3789474B2 JP3789474B2 (ja) | 2006-06-21 |
Family
ID=7756347
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP52717196A Expired - Fee Related JP3789474B2 (ja) | 1995-03-10 | 1996-03-07 | バックサーフィスフィールドを有するソーラーセル及びその製造方法 |
Country Status (7)
Country | Link |
---|---|
US (2) | US5899704A (ja) |
EP (1) | EP0813753B1 (ja) |
JP (1) | JP3789474B2 (ja) |
AT (1) | ATE354867T1 (ja) |
DE (2) | DE19508712C2 (ja) |
ES (1) | ES2282999T3 (ja) |
WO (1) | WO1996028851A1 (ja) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2007081300A (ja) * | 2005-09-16 | 2007-03-29 | Sharp Corp | 太陽電池の製造方法 |
CN111564521A (zh) * | 2019-07-18 | 2020-08-21 | 国家电投集团西安太阳能电力有限公司 | 一种全绒面ibc太阳电池制备方法 |
Families Citing this family (83)
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DE19508712C2 (de) * | 1995-03-10 | 1997-08-07 | Siemens Solar Gmbh | Solarzelle mit Back-Surface-Field und Verfahren zur Herstellung |
US6552414B1 (en) * | 1996-12-24 | 2003-04-22 | Imec Vzw | Semiconductor device with selectively diffused regions |
DE19813188A1 (de) | 1998-03-25 | 1999-10-07 | Siemens Solar Gmbh | Verfahren zur einseitigen Dotierung eines Halbleiterkörpers |
DE19910816A1 (de) | 1999-03-11 | 2000-10-05 | Merck Patent Gmbh | Dotierpasten zur Erzeugung von p,p+ und n,n+ Bereichen in Halbleitern |
DE10045249A1 (de) * | 2000-09-13 | 2002-04-04 | Siemens Ag | Photovoltaisches Bauelement und Verfahren zum Herstellen des Bauelements |
DE10104726A1 (de) * | 2001-02-02 | 2002-08-08 | Siemens Solar Gmbh | Verfahren zur Strukturierung einer auf einem Trägermaterial aufgebrachten Oxidschicht |
GB0114896D0 (en) * | 2001-06-19 | 2001-08-08 | Bp Solar Ltd | Process for manufacturing a solar cell |
JP2005510885A (ja) * | 2001-11-26 | 2005-04-21 | シェル・ゾラール・ゲーエムベーハー | 背面接点を有する太陽電池の製造 |
CN100344000C (zh) * | 2002-10-22 | 2007-10-17 | 上海交大泰阳绿色能源有限公司 | 银栅线穿过TiOx层与Si欧姆接触的烧结工艺 |
US7170001B2 (en) * | 2003-06-26 | 2007-01-30 | Advent Solar, Inc. | Fabrication of back-contacted silicon solar cells using thermomigration to create conductive vias |
US7649141B2 (en) * | 2003-06-30 | 2010-01-19 | Advent Solar, Inc. | Emitter wrap-through back contact solar cells on thin silicon wafers |
US20050148198A1 (en) * | 2004-01-05 | 2005-07-07 | Technion Research & Development Foundation Ltd. | Texturing a semiconductor material using negative potential dissolution (NPD) |
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JP5126795B2 (ja) * | 2005-12-21 | 2013-01-23 | サンパワー コーポレイション | 裏面電極型太陽電池構造及びその製造プロセス |
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DE3340874A1 (de) * | 1983-11-11 | 1985-05-23 | Telefunken electronic GmbH, 7100 Heilbronn | Verfahren zum herstellen einer solarzelle |
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DE19508712C2 (de) * | 1995-03-10 | 1997-08-07 | Siemens Solar Gmbh | Solarzelle mit Back-Surface-Field und Verfahren zur Herstellung |
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1995
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1996
- 1996-03-07 DE DE59611419T patent/DE59611419D1/de not_active Expired - Lifetime
- 1996-03-07 JP JP52717196A patent/JP3789474B2/ja not_active Expired - Fee Related
- 1996-03-07 AT AT96904750T patent/ATE354867T1/de not_active IP Right Cessation
- 1996-03-07 EP EP96904750A patent/EP0813753B1/de not_active Expired - Lifetime
- 1996-03-07 US US08/913,097 patent/US5899704A/en not_active Expired - Lifetime
- 1996-03-07 ES ES96904750T patent/ES2282999T3/es not_active Expired - Lifetime
- 1996-03-07 WO PCT/DE1996/000415 patent/WO1996028851A1/de active IP Right Grant
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
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JP2007081300A (ja) * | 2005-09-16 | 2007-03-29 | Sharp Corp | 太陽電池の製造方法 |
JP4684056B2 (ja) * | 2005-09-16 | 2011-05-18 | シャープ株式会社 | 太陽電池の製造方法 |
CN111564521A (zh) * | 2019-07-18 | 2020-08-21 | 国家电投集团西安太阳能电力有限公司 | 一种全绒面ibc太阳电池制备方法 |
Also Published As
Publication number | Publication date |
---|---|
DE19508712C2 (de) | 1997-08-07 |
US6096968A (en) | 2000-08-01 |
EP0813753B1 (de) | 2007-02-21 |
ATE354867T1 (de) | 2007-03-15 |
ES2282999T3 (es) | 2007-10-16 |
DE59611419D1 (de) | 2007-04-05 |
DE19508712A1 (de) | 1996-09-12 |
WO1996028851A1 (de) | 1996-09-19 |
EP0813753A1 (de) | 1997-12-29 |
JP3789474B2 (ja) | 2006-06-21 |
US5899704A (en) | 1999-05-04 |
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