JP4847477B2 - CdCl2を用いずにCdTe/CdS薄膜太陽電池を大量生産するための方法 - Google Patents
CdCl2を用いずにCdTe/CdS薄膜太陽電池を大量生産するための方法 Download PDFInfo
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- JP4847477B2 JP4847477B2 JP2007553786A JP2007553786A JP4847477B2 JP 4847477 B2 JP4847477 B2 JP 4847477B2 JP 2007553786 A JP2007553786 A JP 2007553786A JP 2007553786 A JP2007553786 A JP 2007553786A JP 4847477 B2 JP4847477 B2 JP 4847477B2
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- 229910004613 CdTe Inorganic materials 0.000 title claims description 80
- 238000000034 method Methods 0.000 title claims description 40
- 239000010409 thin film Substances 0.000 title claims description 19
- 238000004519 manufacturing process Methods 0.000 title claims description 17
- 239000010408 film Substances 0.000 claims description 52
- 210000004027 cell Anatomy 0.000 claims description 30
- 239000000758 substrate Substances 0.000 claims description 24
- 238000000151 deposition Methods 0.000 claims description 15
- 239000011261 inert gas Substances 0.000 claims description 15
- 239000000460 chlorine Substances 0.000 claims description 13
- 238000004544 sputter deposition Methods 0.000 claims description 13
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 claims description 12
- 229910052801 chlorine Inorganic materials 0.000 claims description 12
- 238000011282 treatment Methods 0.000 claims description 12
- 238000001994 activation Methods 0.000 claims description 6
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- 230000004913 activation Effects 0.000 claims description 5
- 239000001257 hydrogen Substances 0.000 claims description 5
- 229910052739 hydrogen Inorganic materials 0.000 claims description 5
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 claims description 4
- -1 fluoroalkyl compound Chemical class 0.000 claims description 4
- 229910052750 molybdenum Inorganic materials 0.000 claims description 4
- 239000007787 solid Substances 0.000 claims description 4
- 229910052721 tungsten Inorganic materials 0.000 claims description 4
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims description 3
- 229910052786 argon Inorganic materials 0.000 claims description 3
- OHMHBGPWCHTMQE-UHFFFAOYSA-N 2,2-dichloro-1,1,1-trifluoroethane Chemical compound FC(F)(F)C(Cl)Cl OHMHBGPWCHTMQE-UHFFFAOYSA-N 0.000 claims description 2
- KYKAJFCTULSVSH-UHFFFAOYSA-N chloro(fluoro)methane Chemical compound F[C]Cl KYKAJFCTULSVSH-UHFFFAOYSA-N 0.000 claims description 2
- 238000010494 dissociation reaction Methods 0.000 claims 1
- 230000005593 dissociations Effects 0.000 claims 1
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- 239000002245 particle Substances 0.000 description 10
- 239000007789 gas Substances 0.000 description 8
- 239000000463 material Substances 0.000 description 8
- 230000008021 deposition Effects 0.000 description 7
- 230000008569 process Effects 0.000 description 7
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 description 6
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 6
- 229910052731 fluorine Inorganic materials 0.000 description 6
- 239000011737 fluorine Substances 0.000 description 6
- 238000000859 sublimation Methods 0.000 description 6
- 230000008022 sublimation Effects 0.000 description 6
- 238000001704 evaporation Methods 0.000 description 5
- 238000006243 chemical reaction Methods 0.000 description 4
- 238000005530 etching Methods 0.000 description 4
- 230000008020 evaporation Effects 0.000 description 4
- 229910052751 metal Inorganic materials 0.000 description 4
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- 239000000843 powder Substances 0.000 description 3
- 239000005361 soda-lime glass Substances 0.000 description 3
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 description 2
- 229910006404 SnO 2 Inorganic materials 0.000 description 2
- 238000000137 annealing Methods 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 239000004020 conductor Substances 0.000 description 2
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- 238000003672 processing method Methods 0.000 description 2
- 239000004065 semiconductor Substances 0.000 description 2
- 238000007738 vacuum evaporation Methods 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 description 1
- 235000008733 Citrus aurantifolia Nutrition 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 1
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 description 1
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 description 1
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 description 1
- 235000011941 Tilia x europaea Nutrition 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000003213 activating effect Effects 0.000 description 1
- 229910000147 aluminium phosphate Inorganic materials 0.000 description 1
- 239000012159 carrier gas Substances 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 239000002019 doping agent Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 229910002804 graphite Inorganic materials 0.000 description 1
- 239000010439 graphite Substances 0.000 description 1
- 239000000383 hazardous chemical Substances 0.000 description 1
- 231100000206 health hazard Toxicity 0.000 description 1
- 239000004571 lime Substances 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 229910017604 nitric acid Inorganic materials 0.000 description 1
- 230000009972 noncorrosive effect Effects 0.000 description 1
- 230000009965 odorless effect Effects 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 238000005546 reactive sputtering Methods 0.000 description 1
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- 238000003860 storage Methods 0.000 description 1
- 229910052718 tin Inorganic materials 0.000 description 1
- 231100000331 toxic Toxicity 0.000 description 1
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- 238000001771 vacuum deposition Methods 0.000 description 1
- 238000009834 vaporization Methods 0.000 description 1
- 230000008016 vaporization Effects 0.000 description 1
- 238000001429 visible spectrum Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Images
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
- H01L31/18—Processes or apparatus specially adapted for the manufacture or treatment of these devices or of parts thereof
- H01L31/1828—Processes or apparatus specially adapted for the manufacture or treatment of these devices or of parts thereof the active layers comprising only AIIBVI compounds, e.g. CdS, ZnS, CdTe
- H01L31/1836—Processes or apparatus specially adapted for the manufacture or treatment of these devices or of parts thereof the active layers comprising only AIIBVI compounds, e.g. CdS, ZnS, CdTe comprising a growth substrate not being an AIIBVI compound
-
- 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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- Engineering & Computer Science (AREA)
- 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)
- Physical Deposition Of Substances That Are Components Of Semiconductor Devices (AREA)
- Physical Vapour Deposition (AREA)
Description
ZnxCd1−xS/CdTeyS1−y
式中、0≦x≦0.2、かつ0.95≦y≦1である。
本発明の主たる目的は、上に定義したように、安定で効率的なCdTe/CdS薄膜太陽電池、より一般的にはZnxCd1−xS/CdTeyS1−y薄膜太陽電池を、既知の製造方法に対して製造コストを減少させた、大量生産に適した方法を提供することである。
図面を参照すると、本発明による方法により製造されるCdTe/CdS太陽電池は、透明基礎層、即ち、基体上に順次堆積した五つの層であって、300〜500nmの厚さの透明伝導性酸化物(TCO)層、そのTCO層の上に堆積した80〜200nmの厚さのCdS層、そのCdS層の上の4〜12μmの厚さのCdTe層、及び、少なくとも100nmの厚さのSB2Te3層及び100nmの厚さのMo層により形成された裏面接触層からなる層を含む。特に、透明基礎基体は、ソーダ・石灰ガラスからなり、透明伝導性酸化物はフッ素がドープされている(In2O3:F)。
CdTe(固体)+2Cl2(ガス)→
TeCl2(ガス)+CdCl2(ガス).
Voc 860mV
Jsc 25.4mA/cm2
ff 0.69
効率 15%
Claims (12)
- CdTe/CdS薄膜太陽電池の大量生産のための方法であって、前記膜が透明基体の上に順次堆積されており、
− 前記基体上に透明伝導性酸化物(TCO)の膜を堆積させる工程;
− 前記TCO膜上にCdSの膜を堆積させる工程;
− 前記CdS膜上にCdTeの膜を堆積させる工程;
− 前記CdTe膜を活性化処理に供する工程;
− 前記処理したCdTe膜の上に裏面接触膜を堆積させる工程;
を含み、該方法は、CdTe膜の前記活性化処理が次の工程;
− 前記基体上に堆積したCdTe/CdSを真空室中に導入する工程;
− 前記支持基体を380〜420℃の操作温度へ加熱する工程;
− 前記真空室中へ、不活性ガスと、クロロフルオロカーボン及びヒドロクロロフルオロカーボン製品から選択される塩素含有不活性ガスとを導入し、それにより前記製品の熱解離の結果として放出された塩素が、電池表面上に存在する固体CdTeと反応してTeCl2及びCdCl2蒸気を生成する工程;
− 温度を操作値に維持しながら、真空室へ真空を適用し、それにより電池表面から残留CdCl2を全て除去する工程;
を含むことを特徴とする方法。 - 不活性ガスがアルゴンである、請求項1に記載の方法。
- 真空室に、10〜30ミリバールの塩素含有不活性ガス及び100〜500ミリバールの不活性ガスを入れる、請求項1又は2に記載の方法。
- 支持基体を操作温度へ1〜10分間加熱する、請求項1〜3のいずれか1項に記載の方法。
- エッチングされていないCdTe膜表面上に、Sb2Te3層により裏面接触膜を形成する、請求項1〜4のいずれか1項に記載の方法。
- Sb2Te3層を、Mo又はWの層で覆う、請求項5に記載の方法。
- Sb2Te3層を、250〜300℃でスパッタリングすることにより形成する、請求項5又は6に記載の方法。
- Mo又はWの層で覆われたAs2Te3層により裏面接触膜を形成する、請求項1〜4のいずれか1項に記載の方法。
- As2Te3層を、200〜250℃でスパッタリングすることにより形成する、請求項8に記載の方法。
- 透明伝導性酸化物が、フッ素をドープしたIn2O3である、請求項1〜9のいずれか1項に記載の方法。
- TCO層を、水素及びガス状フルオロアルキル化合物を含む不活性雰囲気中でスパッタリングすることにより形成する、請求項10に記載の方法。
- Arと水素との混合物を用い、その中で水素が1〜3体積%を占め、フルオロアルキル化合物がCHF3である、請求項11に記載の方法。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
IT000002A ITLU20050002A1 (it) | 2005-02-08 | 2005-02-08 | UN NUOVO PROCESSO PER IL TRATTAMENTO IN AMBIENTE DI CLORO DELLE CELLE SOLARI A FILM SOTTILI DI CdTe/CdS senza l'uso di CdC12. |
ITLU2005A000002 | 2005-02-08 | ||
PCT/IT2006/000053 WO2006085348A2 (en) | 2005-02-08 | 2006-02-02 | A PROCESS FOR LARGE-SCALE PRODUCTION OF CdTe/CdS THIN FILM SOLAR CELLS, WITHOUT THE USE OF CdCl2 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2008530777A JP2008530777A (ja) | 2008-08-07 |
JP4847477B2 true JP4847477B2 (ja) | 2011-12-28 |
Family
ID=36604230
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2007553786A Expired - Fee Related JP4847477B2 (ja) | 2005-02-08 | 2006-02-02 | CdCl2を用いずにCdTe/CdS薄膜太陽電池を大量生産するための方法 |
Country Status (8)
Country | Link |
---|---|
US (1) | US20080149179A1 (ja) |
EP (1) | EP1846958A2 (ja) |
JP (1) | JP4847477B2 (ja) |
CN (1) | CN100499182C (ja) |
AU (1) | AU2006213445B2 (ja) |
CA (1) | CA2601749A1 (ja) |
IT (1) | ITLU20050002A1 (ja) |
WO (1) | WO2006085348A2 (ja) |
Families Citing this family (17)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
AU2007355717A1 (en) * | 2007-06-28 | 2008-12-31 | Solar Systems & Equipments S.R.L. | Method for the formation of a non-rectifying back-contact in a CdTe /CdS thin film solar cell |
ITMI20081949A1 (it) * | 2008-11-05 | 2010-05-06 | Matteo Paolo Bogana | Processo di attivazione di film di tellururo di cadmio per tecnologie fotovoltaiche |
CN102257633A (zh) * | 2008-12-18 | 2011-11-23 | 第一太阳能有限公司 | 包括背面金属接触的光伏器件 |
CN101859809B (zh) * | 2009-04-09 | 2012-08-15 | 中国科学院物理研究所 | 一种太阳能电池封装结构及制备方法 |
CN101640233B (zh) * | 2009-08-21 | 2011-11-30 | 成都中光电阿波罗太阳能有限公司 | 用磁控溅射法生产CdS/CdTe太阳能电池的装置 |
IT1396166B1 (it) * | 2009-10-13 | 2012-11-16 | Arendi S P A | Metodo di attivazione di film sottili di cdte per applicazioni in celle solari a film sottili del tipo cdte/cds. |
US20110143489A1 (en) * | 2009-12-11 | 2011-06-16 | General Electric Company | Process for making thin film solar cell |
US8252619B2 (en) * | 2010-04-23 | 2012-08-28 | Primestar Solar, Inc. | Treatment of thin film layers photovoltaic module manufacture |
US20110265874A1 (en) * | 2010-04-29 | 2011-11-03 | Primestar Solar, Inc. | Cadmium sulfide layers for use in cadmium telluride based thin film photovoltaic devices and methods of their manufacture |
FR2977372B1 (fr) * | 2011-06-30 | 2015-12-18 | Soc Fr Detecteurs Infrarouges Sofradir | Procede pour la realisation d'un detecteur de rayonnement electro-magnetique et detecteur obtenu par ce procede |
US10090431B2 (en) | 2013-03-12 | 2018-10-02 | New Jersey Institute Of Technology | System and method for thin film photovoltaic modules and back contact for thin solar cells |
US9093599B2 (en) | 2013-07-26 | 2015-07-28 | First Solar, Inc. | Vapor deposition apparatus for continuous deposition of multiple thin film layers on a substrate |
ES2527976B1 (es) * | 2013-08-02 | 2015-11-12 | Universidad Autónoma de Madrid | Sistema para la fabricación de multicapas para células solares y procedimiento para la fabricación de éstas |
CN104425653B (zh) * | 2013-08-30 | 2017-11-21 | 中国建材国际工程集团有限公司 | 用于薄层太阳能电池的附加的底层 |
CN106206244A (zh) * | 2015-04-29 | 2016-12-07 | 中国建材国际工程集团有限公司 | 对CdTe薄层太阳能电池的CdTe层进行调理的方法 |
US11710799B2 (en) * | 2018-03-22 | 2023-07-25 | Alliance For Sustainable Energy, Llc | Controlled thermomechanical delamination of thin films |
DE102018113251B4 (de) * | 2018-06-04 | 2021-12-09 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Verfahren zum Herstellen einer CdTe-Solarzelle |
Family Cites Families (11)
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US4650921A (en) * | 1985-10-24 | 1987-03-17 | Atlantic Richfield Company | Thin film cadmium telluride solar cell |
DE4132882C2 (de) * | 1991-10-03 | 1996-05-09 | Antec Angewandte Neue Technolo | Verfahren zur Herstellung von pn CdTe/CdS-Dünnschichtsolarzellen |
US5501744A (en) * | 1992-01-13 | 1996-03-26 | Photon Energy, Inc. | Photovoltaic cell having a p-type polycrystalline layer with large crystals |
US5296640A (en) * | 1992-09-15 | 1994-03-22 | E. I. Du Pont De Nemours And Company | Process for preparing perhaloacyl chlorides |
US5557146A (en) * | 1993-07-14 | 1996-09-17 | University Of South Florida | Ohmic contact using binder paste with semiconductor material dispersed therein |
US5534107A (en) * | 1994-06-14 | 1996-07-09 | Fsi International | UV-enhanced dry stripping of silicon nitride films |
CN1055792C (zh) * | 1995-07-20 | 2000-08-23 | 四川联合大学 | 具有过渡层的碲化镉太阳电池 |
JPH11195799A (ja) * | 1997-12-26 | 1999-07-21 | Matsushita Battery Industrial Co Ltd | 太陽電池用CdTe膜の製造方法および製造装置 |
US6423565B1 (en) * | 2000-05-30 | 2002-07-23 | Kurt L. Barth | Apparatus and processes for the massproduction of photovotaic modules |
EP1176644B1 (de) * | 2000-07-26 | 2007-12-19 | ANTEC Solar Energy AG | Verfahren zum Aktivieren von CdTe-Dünnschichtsolarzellen |
CA2462590A1 (en) * | 2001-10-05 | 2003-04-17 | Solar Systems & Equipments S.R.L. | A process for large-scale production of cdte/cds thin film solar cells |
-
2005
- 2005-02-08 IT IT000002A patent/ITLU20050002A1/it unknown
-
2006
- 2006-02-02 CN CNB2006800043195A patent/CN100499182C/zh not_active Expired - Fee Related
- 2006-02-02 US US11/884,055 patent/US20080149179A1/en not_active Abandoned
- 2006-02-02 EP EP06711407A patent/EP1846958A2/en not_active Withdrawn
- 2006-02-02 AU AU2006213445A patent/AU2006213445B2/en not_active Ceased
- 2006-02-02 CA CA002601749A patent/CA2601749A1/en not_active Abandoned
- 2006-02-02 JP JP2007553786A patent/JP4847477B2/ja not_active Expired - Fee Related
- 2006-02-02 WO PCT/IT2006/000053 patent/WO2006085348A2/en active Application Filing
Also Published As
Publication number | Publication date |
---|---|
CN101116190A (zh) | 2008-01-30 |
EP1846958A2 (en) | 2007-10-24 |
CN100499182C (zh) | 2009-06-10 |
WO2006085348A3 (en) | 2006-11-02 |
ITLU20050002A1 (it) | 2006-08-09 |
CA2601749A1 (en) | 2006-08-17 |
AU2006213445A1 (en) | 2006-08-17 |
US20080149179A1 (en) | 2008-06-26 |
WO2006085348A2 (en) | 2006-08-17 |
JP2008530777A (ja) | 2008-08-07 |
AU2006213445B2 (en) | 2012-05-24 |
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