DE3490612T1 - Process for the production of solar cells - Google Patents

Process for the production of solar cells

Info

Publication number
DE3490612T1
DE3490612T1 DE19843490612 DE3490612T DE3490612T1 DE 3490612 T1 DE3490612 T1 DE 3490612T1 DE 19843490612 DE19843490612 DE 19843490612 DE 3490612 T DE3490612 T DE 3490612T DE 3490612 T1 DE3490612 T1 DE 3490612T1
Authority
DE
Germany
Prior art keywords
nickel
coating
layer
metals
plating
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.)
Withdrawn
Application number
DE19843490612
Other languages
German (de)
Inventor
Douglas A. Burlington Mass. Yates
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Schott Solar CSP Inc
Original Assignee
Mobil Solar Energy Corp
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Priority claimed from US06/681,003 external-priority patent/US4609565A/en
Application filed by Mobil Solar Energy Corp filed Critical Mobil Solar Energy Corp
Publication of DE3490612T1 publication Critical patent/DE3490612T1/en
Withdrawn legal-status Critical Current

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C23COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23CCOATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
    • C23C28/00Coating for obtaining at least two superposed coatings either by methods not provided for in a single one of groups C23C2/00 - C23C26/00 or by combinations of methods provided for in subclasses C23C and C25C or C25D
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01LSEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L31/00Semiconductor 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
    • H01L31/02Details
    • H01L31/0224Electrodes
    • H01L31/022408Electrodes for devices characterised by at least one potential jump barrier or surface barrier
    • H01L31/022425Electrodes for devices characterised by at least one potential jump barrier or surface barrier for solar cells
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01LSEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L31/00Semiconductor 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
    • H01L31/18Processes or apparatus specially adapted for the manufacture or treatment of these devices or of parts thereof
    • H01L31/1804Processes 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
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00Energy generation through renewable energy sources
    • Y02E10/50Photovoltaic [PV] energy
    • Y02E10/547Monocrystalline silicon PV cells
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P70/00Climate change mitigation technologies in the production process for final industrial or consumer products
    • Y02P70/50Manufacturing or production processes characterised by the final manufactured product

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (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)
  • Sustainable Development (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Sustainable Energy (AREA)
  • Manufacturing & Machinery (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Photovoltaic Devices (AREA)
  • Electrodes Of Semiconductors (AREA)
  • Electroplating Methods And Accessories (AREA)
  • Internal Circuitry In Semiconductor Integrated Circuit Devices (AREA)

Description

- Leerseite -- blank page -

Claims (1)

StA .. StA .. Patentansprüche:Patent claims: 1. Verfahren zur Herstellung von Festkörper-Halbleiteranordnungen, gekennzeichnet durch die Folge der nachstehend genannten Schritte:1. Process for the production of solid-state semiconductor devices, characterized by the sequence of the following Steps: (a) Erzeugen eines Siliziumsubstrates mit gegenüberliegenden ersten und zweiten Oberflächen;(a) creating a silicon substrate having opposing first and second surfaces; (b) Bestrahlen ausgewählter Bereiche der ersten Oberfläche mit einem Wasserstoffionenstrahl mit einer Intensität und für eine Dauer, die ausreichend sind, um eine Oberflächenschicht auf der ersten Oberfläche zu bilden, an der ausgewählte Metalle nur schlecht anhaften; und(b) irradiating selected areas of the first surface with a hydrogen ion beam an intensity and for a duration sufficient to cause a surface layer to appear to form the first surface to which selected metals have poor adhesion; and (c) Metallisierung der ersten Oberfläche unter Ausschluß der ausgewählten Bereiche mit zumindest einem der ausgewählten Metalle.(c) Metallization of the first surface excluding the selected areas with at least one of the selected metals. 2. Verfahren nach Anspruch T, d a d u r c h gekennzeichnet , daß es weiterhin den Schritt der Ausbildung einer Grenzschicht in dem Substrat, benachbart zur ersten Oberfläche, einschließt. 2. The method according to claim T, d a d u r c h characterized in that it continues to Includes the step of forming an interface in the substrate adjacent the first surface. 3. Verfahren nach Anspruch 1, dadurch g e kennz eic hnet, daß die Halbleiteranordnungen Photospannungs-Halbleiteranordnungen sind und3. The method according to claim 1, characterized g e mark eic hnet that the semiconductor devices are photo voltage semiconductor devices and U-U- daß das Verfahren den Schritt des Aufbringens eines Antireflexionsuberzugs auf die erste Oberfläche einschließt. that the method includes the step of applying an anti-reflective coating to the first surface. Verfahren nach Anspruch 1, dadurch gekenn ζ ei c h η et , daß die Metallisierung unter Verwendung eines Metalls durchgeführt wird, das aus der Gruppe von Metallen ausgewählt ist, die Nickel, Palladium, Kobalt, Platin und Rhodium einschließt. Method according to claim 1, characterized ζ ei c h η et that the metallization is performed using a metal selected from the group of metals which Includes nickel, palladium, cobalt, platinum and rhodium. Verfahren zur Herstellung von Festkörper-Halbleiteranordnungen, dadurch gekennzeichnet , daß das Verfahren in Aufeinanderfolge die nachstehend genannten Schritte umfaßt:Process for the production of solid-state semiconductor devices, characterized that the process comprises the following steps in sequence: (a) Herstellung eines Siliziumsubstrates mit gegenüberliegenden ersten und zweiten Oberflächen und mit einer Grenzschicht benachbart zur ersten Oberfläche sowie einer Plattierungsmaske, die ausgewählte Teile der ersten Oberfläche frei läßt;(a) Manufacture of a silicon substrate with opposing first and second surfaces and having an interface adjacent to the first surface and a plating mask, leaving selected portions of the first surface exposed; (b) Aufbringen eines Überzuges aus Aluminium auf die zweite Oberfläche;(b) applying a coating of aluminum to the second surface; (c) Aufheizen des Siliziumsubstrates auf eine Temperatur und über eine Zeit, die ausreichen, damit das Aluminium des Aluminiumüberzuges eine Legierung mit dem Siliziumsubstrat bildet;(c) heating the silicon substrate to a temperature and for a time sufficient for the aluminum to form the aluminum coating Forms alloy with the silicon substrate; (d) Aufbringen eines Nickelüberzuges auf die(d) Applying a nickel coating to the • 33-• 33- ausgewählten Teile der ersten Oberfläche;selected portions of the first surface; (e) Entfernen der Plattierungsmaske;(e) removing the plating mask; (f) Bestrahlen der ersten Oberfläche mit einem Wasserstoffionenstrahl mit einer Intensität und für eine Dauer, die ausreichen, damit eine Oberflächenschicht auf der ersten Oberfläche gebildet wird, an der ausgewählte leitende Metalle nur schlecht anhaften; (f) irradiating the first surface with a Hydrogen ion beam with an intensity and for a duration sufficient to produce a Forming a surface layer on the first surface to which selected conductive metals are poorly adhered; (g) Sintern des Nickelüberzuges derart, daß das Nickel und das Silizium an den ausgewählten Teilen miteinander reagieren, um Nickelsilizid an ihrer Grenzfläche zu bilden; und(g) sintering the nickel coating such that the nickel and silicon adhere to the selected Parts react with each other to form nickel silicide at their interface; and (h) Beschichten der Nickel- und Aluminiumüberzüge mit zumindest einer Schicht von zumindest einem der leitenden Metalle.(h) coating the nickel and aluminum coatings with at least one layer of at least one of conductive metals. 6. Verfahren nach Anspruch 5» dadurch gekenn ζ e i c h η et , daß die zumindest eine Schicht dadurch aufgebracht wird, daß (a) der Nickelüberzug mit einem Ätzmittel in Berührung gebracht wird, um Nickel zu entfernen, das nicht gebunden ist, und daß (b) der Nickelüberzug mit Kupfer überzogen wird.6. The method according to claim 5 »marked thereby ζ e i c h η et that the at least one layer is applied in that (a) the Nickel plating is brought into contact with an etchant to remove nickel that is not bound and that (b) the nickel coating is coated with copper. 7. Verfahren nach Anspruch 5» dadurch gekennzeichnet, daß das Verfahren weiterhin den Schritt des Aufbringens eines Antireflexionsüberzugs auf die erste Oberfläche7. The method according to claim 5 »characterized in that that the method further includes the step of applying an anti-reflective coating on the first surface einschließt.includes. 8. Verfahren nach Anspruch 5» dadurch gekennzeichnet, daß zusätzlich die Bestrahlung des Substrates mit dem Wasserstoffionenstrahl über eine ausreichende Zeit und mit einer ausreichenden Intensität erfolgt, um die Minoritätsträgerverluste des Substrates zu verringern.8. The method according to claim 5 »characterized in that that in addition the irradiation of the substrate with the hydrogen ion beam for a sufficient time and with a sufficient intensity occurs to reduce the minority carrier losses of the substrate. 9. Verfahren zur Herstellung von Festkörper-Halbleiteranordnungen, dadurch gekennzeichnet, daß das Verfahren die Folge der nachstehend genannten Schritte umfaßt:9. Process for the production of solid-state semiconductor devices, characterized in that the method comprises the sequence of the following steps: (a) Herstellung eines Siliziumsubstrates mit gegenüberliegenden ersten und zweiten Oberflächen und mit einer Grenzschicht benachbart zur ersten Oberfläche und mit einer Plattierungsmaske, die ausgewählte Teile der ersten Oberfläche frei läßt;(a) Fabrication of a silicon substrate with opposing first and second surfaces and having an interface adjacent to the first surface and having a plating mask, leaving selected portions of the first surface exposed; (b) Aufbringen eines Nickelüberzuges auf die ausgewählten Teile der ersten Oberfläche;(b) applying a nickel coating to selected portions of the first surface; (c) Entfernen der ersten Plattierungsmaske;(c) removing the first plating mask; (d) Bestrahlen der ersten Oberfläche mit einem Wasserstoffionenstrahl mit einer Intensität und für eine Dauer, die ausreichend sind, um eine Oberflächenschicht auf der ersten Oberfläche zu bilden, an der Metalle nur schwer anhaften;(d) irradiating the first surface with a hydrogen ion beam having an intensity and for a time sufficient to form a surface layer on the first surface form to which metals are difficult to adhere; (e) Sintern des Mckelüberzuges derart, daß das(e) Sintering the Mckel coating in such a way that the Nickel und das Silizium an den ausgewählten Teilen miteinander reagieren, um Nickelsilizid an ihrer Grenzfläche zu bilden; undNickel and the silicon on the selected parts react with each other to form nickel silicide to form at their interface; and (f) Beschichten des Nickelüberzuges mit zumindest einer zusätzlichen leitenden Metallschicht.(f) Coating the nickel coating with at least one additional conductive metal layer. 10. Verfahren nach Anspruch 9, dadurch gekennzeichnet, daß die zumindest eine zusätzliche leitende Metallschicht eine Nickelschicht umfaßt, die durch ein Tauchplattierungsverfahren gebildet ist.10. The method according to claim 9, characterized in that the at least one additional conductive metal layer comprises a nickel layer formed by a dip plating process is formed. 11. Verfahren nach Anspruch 10, dadurch gekennzeichnet , daß das Plattierungsverfahren ein Bad verwendet, das ein Nickelsalz und Fluoridionen enthält.11. The method according to claim 10, characterized in that the plating process uses a bath that contains a nickel salt and fluoride ions. 12. Verfahren nach Anspruch 7» dadurch gekennz eichnet , daß die zumindest eine zusätzliche leitende Metallschicht eine Schicht aus Kupfer umfaßt, die durch Tauchplattieren oder Elektroplattieren gebildet ist.12. The method according to claim 7 »marked thereby equates that the at least one additional conductive metal layer is a layer Includes copper formed by dip plating or electroplating.
DE19843490612 1983-12-19 1984-12-14 Process for the production of solar cells Withdrawn DE3490612T1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US56306183A 1983-12-19 1983-12-19
US65927984A 1984-10-10 1984-10-10
US06/681,003 US4609565A (en) 1984-10-10 1984-12-13 Method of fabricating solar cells

Publications (1)

Publication Number Publication Date
DE3490612T1 true DE3490612T1 (en) 1985-11-28

Family

ID=27415903

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19843490612 Withdrawn DE3490612T1 (en) 1983-12-19 1984-12-14 Process for the production of solar cells

Country Status (9)

Country Link
EP (1) EP0167589A4 (en)
JP (1) JPS61500756A (en)
AU (1) AU574761B2 (en)
CH (1) CH669476A5 (en)
DE (1) DE3490612T1 (en)
GB (1) GB2162996B (en)
NL (1) NL8420338A (en)
SE (1) SE456624B (en)
WO (1) WO1985002939A1 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU574431B2 (en) * 1983-12-19 1988-07-07 Mobil Solar Energy Corp. Proton milling as a form of plating mask
US4650695A (en) * 1985-05-13 1987-03-17 Mobil Solar Energy Corporation Method of fabricating solar cells
NL2009382C2 (en) 2012-08-29 2014-03-18 M4Si B V Method for manufacturing a solar cell and solar cell obtained therewith.

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4004044A (en) * 1975-05-09 1977-01-18 International Business Machines Corporation Method for forming patterned films utilizing a transparent lift-off mask
US4347264A (en) * 1975-09-18 1982-08-31 Solarex Corporation Method of applying contacts to a silicon wafer and product formed thereby
US4152824A (en) * 1977-12-30 1979-05-08 Mobil Tyco Solar Energy Corporation Manufacture of solar cells
US4214966A (en) * 1979-03-20 1980-07-29 Bell Telephone Laboratories, Incorporated Process useful in the fabrication of articles with metallized surfaces
US4224084A (en) * 1979-04-16 1980-09-23 Rca Corporation Method and structure for passivating a semiconductor device
US4289381A (en) * 1979-07-02 1981-09-15 Hughes Aircraft Company High selectivity thin film polarizer
US4261762A (en) * 1979-09-14 1981-04-14 Eaton Corporation Method for conducting heat to or from an article being treated under vacuum
JPS6059994B2 (en) * 1979-10-09 1985-12-27 三菱電機株式会社 Method for forming fine patterns on aluminum film or aluminum alloy film
US4343830A (en) * 1980-11-13 1982-08-10 Motorola, Inc. Method for improving the efficiency of solar cells having imperfections
JPS5821324A (en) * 1981-07-30 1983-02-08 Agency Of Ind Science & Technol Pretreatment of metal surface substrate for semiconductor thin film growth added with hydrogen
DE3490611T1 (en) * 1983-12-19 1985-11-28 Mobil Solar Energy Corp., Waltham, Mass. Process for the production of solar cells
AU574431B2 (en) * 1983-12-19 1988-07-07 Mobil Solar Energy Corp. Proton milling as a form of plating mask

Also Published As

Publication number Publication date
GB2162996A (en) 1986-02-12
CH669476A5 (en) 1989-03-15
AU574761B2 (en) 1988-07-14
SE8503833L (en) 1985-08-16
NL8420338A (en) 1985-11-01
WO1985002939A1 (en) 1985-07-04
GB2162996B (en) 1987-08-12
AU3888685A (en) 1985-07-12
GB8515901D0 (en) 1985-07-24
SE8503833D0 (en) 1985-08-16
JPS61500756A (en) 1986-04-17
SE456624B (en) 1988-10-17
EP0167589A4 (en) 1989-01-19
EP0167589A1 (en) 1986-01-15

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