WO2010142684A3 - Solarzelle mit kontaktstruktur mit geringen rekombinationsverlusten sowie herstellungsverfahren für solche solarzellen - Google Patents

Solarzelle mit kontaktstruktur mit geringen rekombinationsverlusten sowie herstellungsverfahren für solche solarzellen Download PDF

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Publication number
WO2010142684A3
WO2010142684A3 PCT/EP2010/058016 EP2010058016W WO2010142684A3 WO 2010142684 A3 WO2010142684 A3 WO 2010142684A3 EP 2010058016 W EP2010058016 W EP 2010058016W WO 2010142684 A3 WO2010142684 A3 WO 2010142684A3
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WO
WIPO (PCT)
Prior art keywords
layer
solar cell
contact structure
substrate
semiconductor material
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.)
Ceased
Application number
PCT/EP2010/058016
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English (en)
French (fr)
Other versions
WO2010142684A4 (de
WO2010142684A2 (de
Inventor
Nils-Peter Harder
Jan Schmidt
Rolf Brendel
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.)
Institut fuer Solarenergieforschung GmbH
Original Assignee
Institut fuer Solarenergieforschung GmbH
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
Application filed by Institut fuer Solarenergieforschung GmbH filed Critical Institut fuer Solarenergieforschung GmbH
Publication of WO2010142684A2 publication Critical patent/WO2010142684A2/de
Publication of WO2010142684A3 publication Critical patent/WO2010142684A3/de
Publication of WO2010142684A4 publication Critical patent/WO2010142684A4/de
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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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
    • H10F77/00—Constructional details of devices covered by this subclass
    • H10F77/20—Electrodes
    • H10F77/206—Electrodes for devices having potential barriers
    • H10F77/211—Electrodes for devices having potential barriers for photovoltaic cells
    • H10F77/219—Arrangements for electrodes of back-contact photovoltaic cells
    • 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
    • H10F10/12—Photovoltaic cells having only metal-insulator-semiconductor [MIS] potential barriers
    • 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
    • H10F10/14—Photovoltaic cells having only PN homojunction potential barriers
    • H10F10/146—Back-junction photovoltaic cells, e.g. having interdigitated base-emitter regions on the back side
    • 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
    • H10F10/16—Photovoltaic cells having only PN heterojunction potential barriers
    • H10F10/164—Photovoltaic cells having only PN heterojunction potential barriers comprising heterojunctions with Group IV materials, e.g. ITO/Si or GaAs/SiGe photovoltaic cells
    • H10F10/165—Photovoltaic cells having only PN heterojunction potential barriers comprising heterojunctions with Group IV materials, e.g. ITO/Si or GaAs/SiGe photovoltaic cells the heterojunctions being Group IV-IV heterojunctions, e.g. Si/Ge, SiGe/Si or Si/SiC photovoltaic cells
    • H10F10/166—Photovoltaic cells having only PN heterojunction potential barriers comprising heterojunctions with Group IV materials, e.g. ITO/Si or GaAs/SiGe photovoltaic cells the heterojunctions being Group IV-IV heterojunctions, e.g. Si/Ge, SiGe/Si or Si/SiC photovoltaic cells the Group IV-IV heterojunctions being heterojunctions of crystalline and amorphous materials, e.g. silicon heterojunction [SHJ] photovoltaic cells
    • 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
    • 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

Es wird ein Konzept für eine hocheffiziente Solarzelle, insbesondere auf Basis qualitativ hochwertigen kristallinen Siliziums, sowie ein Herstellungsverfahren für eine solche Solarzelle vorgeschlagen. Bei der Solarzelle (1) wird eine Kontaktstruktur (3) mit Hilfe einer Schichtenstapelanordnung ausgebildet, die eine erste Schicht (19) aus einem elektrisch isolierenden Material, eine zweite Schicht (21) aus einem Halbleitermaterial und eine dritte Schicht (22) aus einem elektrisch leitfähigen Material aufweist. Die erste, dielektrische Schicht ist hierbei zwischen dem Substrat (17) und der zweiten, halbleitenden Schicht (21) angeordnet und derart ausgebildet, dass ein signifikantes Tunneln von Ladungsträgern zwischen dem Substrat (17) und der zweiten Schicht (21) durch die erste Schicht (19) hindurch ermöglicht ist. Das Halbleitermaterial des Solarzellensubstrates und das Halbleitermaterial der zweiten Schicht weisen aufgrund unterschiedlicher Bandstrukturen verschiedene elektrische Eigenschaften auf. Auf diese Weise kann eine Elektronen-/Loch- Selektivität des Tunnelprozesses innerhalb der Kontaktstruktur beeinflusst werden, wodurch sich durch die Kontaktstruktur bewirkte Rekombinationverluste signifikant reduzieren lassen.
PCT/EP2010/058016 2009-06-10 2010-06-08 Solarzelle mit kontaktstruktur mit geringen rekombinationsverlusten sowie herstellungsverfahren für solche solarzellen Ceased WO2010142684A2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102009024598A DE102009024598A1 (de) 2009-06-10 2009-06-10 Solarzelle mit Kontaktstruktur mit geringen Rekombinationsverlusten sowie Herstellungsverfahren für solche Solarzellen
DE102009024598.7 2009-06-10

Publications (3)

Publication Number Publication Date
WO2010142684A2 WO2010142684A2 (de) 2010-12-16
WO2010142684A3 true WO2010142684A3 (de) 2011-04-28
WO2010142684A4 WO2010142684A4 (de) 2011-07-21

Family

ID=43298791

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2010/058016 Ceased WO2010142684A2 (de) 2009-06-10 2010-06-08 Solarzelle mit kontaktstruktur mit geringen rekombinationsverlusten sowie herstellungsverfahren für solche solarzellen

Country Status (2)

Country Link
DE (1) DE102009024598A1 (de)
WO (1) WO2010142684A2 (de)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP6208682B2 (ja) * 2011-12-21 2017-10-04 サンパワー コーポレイション ハイブリッドポリシリコンヘテロ接合裏面コンタクト電池
KR20140135881A (ko) * 2013-05-16 2014-11-27 엘지전자 주식회사 태양 전지 및 이의 제조 방법
AU2017371707B2 (en) * 2016-12-06 2022-07-07 The Australian National University Solar cell fabrication

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2034973A (en) * 1978-10-23 1980-06-11 Hezel R Solar cell with multi-layer insulation
US4315097A (en) * 1980-10-27 1982-02-09 Mcdonnell Douglas Corporation Back contacted MIS photovoltaic cell
EP0164090A2 (de) * 1984-06-05 1985-12-11 Telefunken Systemtechnik Gmbh Solarzelle
EP1835548A1 (de) * 2004-12-27 2007-09-19 Naoetsu Electronics Co., Ltd. Back-junction-solarzelle und prozess zu ihrer herstellung
US20070256728A1 (en) * 2006-05-04 2007-11-08 Sunpower Corporation Solar cell having doped semiconductor heterojunction contacts

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10142481A1 (de) * 2001-08-31 2003-03-27 Rudolf Hezel Solarzelle sowie Verfahren zur Herstellung einer solchen
US7199395B2 (en) * 2003-09-24 2007-04-03 Sanyo Electric Co., Ltd. Photovoltaic cell and method of fabricating the same
US7375378B2 (en) * 2005-05-12 2008-05-20 General Electric Company Surface passivated photovoltaic devices
DE102008045522A1 (de) * 2008-09-03 2010-03-04 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Heterosolarzelle und Verfahren zur Herstellung von Heterosolarzellen

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2034973A (en) * 1978-10-23 1980-06-11 Hezel R Solar cell with multi-layer insulation
US4315097A (en) * 1980-10-27 1982-02-09 Mcdonnell Douglas Corporation Back contacted MIS photovoltaic cell
EP0164090A2 (de) * 1984-06-05 1985-12-11 Telefunken Systemtechnik Gmbh Solarzelle
EP1835548A1 (de) * 2004-12-27 2007-09-19 Naoetsu Electronics Co., Ltd. Back-junction-solarzelle und prozess zu ihrer herstellung
US20070256728A1 (en) * 2006-05-04 2007-11-08 Sunpower Corporation Solar cell having doped semiconductor heterojunction contacts

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
DESRUES T ET AL: "NEW PROCESS INTEGRATION FOR INTERDIGITATED BACK CONTACT (IBC) a-Si:H/c-Si HETEROJUNCTION SOLAR CELLS", 23RD EUROPEAN PHOTOVOLTAIC SOLAR ENERGY CONFERENCE, PROCEEDINGS OF THE 23RD INTERNATIONAL CONFERENCE, 1-5 SEPTEMBER 2008, VALENCIA, SPAIN,, 5 September 2008 (2008-09-05), pages 1673 - 1676, XP002625075 *
HOEX B ET AL: "CRYSTALLINE SILICON SURFACE PASSIVATION BY THE NEGATIVE-CHARGE-DIELECTRIC AL2O3", 33RD IEEE SPECIALISTS CONFERENCE, SAN DIEGO, USA, 2008, 16 May 2008 (2008-05-16), XP002625074, ISBN: 978-1-4244-1640-0, DOI: 10.1109/PVSC.2008.4922635 *

Also Published As

Publication number Publication date
DE102009024598A1 (de) 2011-01-05
WO2010142684A4 (de) 2011-07-21
WO2010142684A2 (de) 2010-12-16

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