JP2008530777A - 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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Images
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
- H10F71/00—Manufacture or treatment of devices covered by this subclass
- H10F71/125—The active layers comprising only Group II-VI materials, e.g. CdS, ZnS or CdTe
- H10F71/1257—The active layers comprising only Group II-VI materials, e.g. CdS, ZnS or CdTe comprising growth substrates not made of Group II-VI materials
-
- 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
Abstract
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 (14)
- 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。
- 請求項1〜12のいずれか1項に記載の方法に従い製造されるCdTe/CdS薄膜太陽電池。
- その上に透明伝導性酸化物(TCO)の層が堆積された透明基体、前記TCO層の上に堆積されたCdS層、前記CdS層の上に堆積されたCdTe層、及び前記CdTe層の上に裏面接触層を含み、前記裏面接触層が、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で処理されたCdTe膜の、エッチングされていない表面上に堆積されている、請求項13に記載のCdTe/CdS薄膜太陽電池。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
ITLU2005A000002 | 2005-02-08 | ||
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. |
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 true JP2008530777A (ja) | 2008-08-07 |
JP4847477B2 JP4847477B2 (ja) | 2011-12-28 |
Family
ID=36604230
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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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) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2013507784A (ja) * | 2009-10-13 | 2013-03-04 | アレンディ ソチエタ.ペル.アツィオーニ. | CdTe/CdS型薄膜太陽電池に使用するCdTe薄膜の活性化方法 |
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JP5042363B2 (ja) * | 2007-06-28 | 2012-10-03 | ソーラー システムズ アンド エクイップメンツ エス.アール.エル. | Cdte/cds薄膜太陽電池における非整流バック接点の形成方法 |
ITMI20081949A1 (it) * | 2008-11-05 | 2010-05-06 | Matteo Paolo Bogana | Processo di attivazione di film di tellururo di cadmio per tecnologie fotovoltaiche |
KR20110097957A (ko) * | 2008-12-18 | 2011-08-31 | 퍼스트 솔라, 인코포레이티드 | 후방 금속 컨택트를 포함하는 광기전 장치 |
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 |
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 |
WO2014165225A1 (en) * | 2013-03-12 | 2014-10-09 | New Jersey Institute Of Technology | System and method for thin film photovoltaic modules and back contact for thin film 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 |
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2005
- 2005-02-08 IT IT000002A patent/ITLU20050002A1/it unknown
-
2006
- 2006-02-02 JP JP2007553786A patent/JP4847477B2/ja not_active Expired - Fee Related
- 2006-02-02 US US11/884,055 patent/US20080149179A1/en not_active Abandoned
- 2006-02-02 CN CNB2006800043195A patent/CN100499182C/zh not_active Expired - Fee Related
- 2006-02-02 AU AU2006213445A patent/AU2006213445B2/en not_active Ceased
- 2006-02-02 EP EP06711407A patent/EP1846958A2/en not_active Withdrawn
- 2006-02-02 CA CA002601749A patent/CA2601749A1/en not_active Abandoned
- 2006-02-02 WO PCT/IT2006/000053 patent/WO2006085348A2/en active Application Filing
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WO2003032406A2 (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 |
Cited By (1)
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JP2013507784A (ja) * | 2009-10-13 | 2013-03-04 | アレンディ ソチエタ.ペル.アツィオーニ. | CdTe/CdS型薄膜太陽電池に使用するCdTe薄膜の活性化方法 |
Also Published As
Publication number | Publication date |
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EP1846958A2 (en) | 2007-10-24 |
JP4847477B2 (ja) | 2011-12-28 |
WO2006085348A3 (en) | 2006-11-02 |
CA2601749A1 (en) | 2006-08-17 |
AU2006213445A1 (en) | 2006-08-17 |
US20080149179A1 (en) | 2008-06-26 |
CN101116190A (zh) | 2008-01-30 |
CN100499182C (zh) | 2009-06-10 |
WO2006085348A2 (en) | 2006-08-17 |
ITLU20050002A1 (it) | 2006-08-09 |
AU2006213445B2 (en) | 2012-05-24 |
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