JP5583776B2 - 光起電力特性を有し、i−iii−vi2型合金を含む薄膜の、逐次電着および熱後処理を含む製造 - Google Patents
光起電力特性を有し、i−iii−vi2型合金を含む薄膜の、逐次電着および熱後処理を含む製造 Download PDFInfo
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- 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
- H01L31/032—Inorganic materials including, apart from doping materials or other impurities, only compounds not provided for in groups H01L31/0272 - H01L31/0312
- H01L31/0322—Inorganic materials including, apart from doping materials or other impurities, only compounds not provided for in groups H01L31/0272 - H01L31/0312 comprising only AIBIIICVI chalcopyrite compounds, e.g. Cu In Se2, Cu Ga Se2, Cu In Ga Se2
-
- 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
-
- 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
- Y02E10/541—CuInSe2 material PV cells
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- Engineering & Computer Science (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)
- Chemical & Material Sciences (AREA)
- Inorganic Chemistry (AREA)
- Manufacturing & Machinery (AREA)
- Photovoltaic Devices (AREA)
Description
a)I族金属元素の層およびIII族金属元素の層の逐次堆積ステップ、ならびに
b)VI族元素の添加を含む熱後処理(thermal post−treatment)ステップ。
a1)交互に堆積させた
−2つのI族元素層、および
−2つのIII族元素層
(したがって元素層のスタックI/III/I/IIIまたはIII/I/III/Iをなす)を少なくとも含む多層構造を堆積させる操作、ならびに
a2)VI族元素を添加する前にこの構造をアニールしてI−III合金を得る操作。
− Cu/(In+Ga)に関して0.8〜1.0の間の原子比、および
− Ga/(In+Ga)に関して0.1〜0.4の間の原子比
を含むことが好ましい。
− EAおよびEBはそれぞれ、元素Aの層および元素Bの層の厚さであり、
− DAおよびDBはそれぞれ、元素Aの層および元素Bの層の密度であり、および
− RAおよびRBはそれぞれ、元素Aの層および元素Bの層のモル質量である。
− I−III合金の100℃未満の温度において、VI族元素を含む蒸気を凝縮させ、
− 続いて、温度を150〜250℃の間に上昇させ、その温度を30秒〜15分の間維持し、
− 続いて、温度を450〜550℃の間に上昇させ、その温度を30秒〜15分の間維持すること
を含む。
− I/IIIスタックを電解によって堆積させ、
− このI/IIIスタックをアニールし、
− 新たなI/IIIスタックを表面に堆積させるためにこのI/IIIスタックを電解浴に再導入し、
− I/III/I/IIIスタック全体を再びアニールし、
− 必要ならばこれらのステップを繰り返し、
− 得られたI/IIIスタック全体のセレン化または硫化を実施する。
− 多層、このケースでは銅(Cu)、インジウム(In)および可能にはガリウム(Ga)の逐次電着(ED)と、次に
− 熱処理中にVI族元素を添加すること(硫化またはセレン化)によるp型半導体への変換と
によってアブソーバを合成する。
− Cu11In9またはCuxInyGaz合金を急冷し、次のステップのためにこの構造を維持するために、20〜180秒の間のある期間のうちに(好ましくは20〜60秒の間のある期間のうちに、例えば45秒のうちに)室温に戻してもよく、または
− 合金化温度に維持し、硫化チャンバへ移してもよい。
以下の操作によって、ガラス(3mm)/モリブデン(500nm)基板または430ステンレス鋼(127μm)/SiOx(1000nm)/モリブデン(500nm)基板上にCIS層を形成することができる。
図1は、得られる熱処理前のスタックを概略的に例示する。
以下の操作によって、ガラス(3mm)/モリブデン(500nm)基板または430ステンレス鋼(127μm)/SiOx(1000nm)/モリブデン(500nm)基板上にCIS層を形成することができる。
図2は、得られる熱処理前のスタックを概略的に例示する。
以下の操作によって、ガラス(3mm)/モリブデン(500nm)基板または430ステンレス鋼(127μm)/SiOx(1000nm)/モリブデン(500nm)基板上にCIS層を形成することができる。
図3は、得られる熱処理前のスタックを概略的に例示する。
以下の操作によって、ガラス(3mm)/モリブデン(500nm)基板または430ステンレス鋼(127μm)/SiOx(1000nm)/モリブデン(500nm)基板上にCIS層を形成することができる。
図4は、得られる熱処理前のスタックを概略的に例示する。
以下の操作によって、ガラス(3mm)/モリブデン(500nm)基板または430ステンレス鋼(127μm)/SiOx(1000nm)/モリブデン(500nm)基板上にCIGS(Se)層を形成することができる。
図5は、得られる熱処理前のスタックを概略的に例示する。
以下の操作によって、ガラス(3mm)/モリブデン(500nm)基板または430ステンレス鋼(127μm)/SiOx(1000nm)/モリブデン(500nm)基板上にCIGS(Se)層を形成することができる。
図6は、得られる熱処理前のスタックを概略的に例示する。
Claims (15)
- 光起電力特性を有する薄膜を製造する方法であって、前記薄膜がI−III−VI2合金に基づき、電解によって堆積され、前記方法が、
a)I族金属元素の層およびIII族金属元素の層を逐次的に堆積させるステップ、ならびに
b)VI族元素の添加を含む熱後処理を実施するステップ
を少なくとも含み、ステップa)が以下の操作、
a1)少なくとも、
−2つのI族元素層、および
−2つのIII族元素層
を前記層の少なくとも1つの交互配列I/III/I/IIIまたはIII/I/III/Iとして含む多層構造を堆積させる操作、ならびに
a2)VI族元素を添加する前にこの構造をアニールしてI−III合金を得る操作
を含む方法。 - 光起電力特性を有する前記薄膜がCuIn(S,Se)2合金に基づき、操作a1)の前記多層構造が、Cu/Inに関して1.2〜2.0の間の原子比を含む、請求項1に記載の方法。
- 光起電力特性を有する前記薄膜がCu(In,Ga)(S,Se)2合金に基づき、操作a1)の前記多層構造が、
− Cu/(In+Ga)に関して0.8〜1.0の間の原子比、および
− Ga/(In+Ga)に関して0.1〜0.4の間の原子比
を含む、請求項1に記載の方法。 - VI族元素を添加した後の前記構造の全厚が1〜3μmの間である、前記請求項のいずれか一項に記載の方法。
- 同じ元素の少なくとも2つの層に対して異種の堆積条件を含む、前記請求項のいずれか一項に記載の方法。
- 第1のI族元素層の堆積電位よりも絶対値として大きい電極電位で、第2のI族元素層を堆積させる、請求項5に記載の方法。
- 操作a2)が、5〜120分の間、温度を、100〜250℃の間の合金化温度に上昇させることを含む、前記請求項のいずれか一項に記載の方法。
- VI族元素を添加する前に前記I−III合金を急冷するため、前記温度上昇の後、20〜180秒の間のある期間のうちに、温度を室温に戻す、請求項7に記載の方法。
- VI族元素を添加する前に、前記I−III合金を合金化温度に維持する、請求項7に記載の方法。
- VI族元素の前記添加が、VI族元素雰囲気中での第2の熱処理を含み、前記第2の熱処理が、温度を450〜600℃の間に上昇させ、次いで、それをこの温度で、30〜600秒の間維持することを含む、前記請求項のいずれか一項に記載の方法。
- VI族元素の前記添加が、
− 前記I−III合金の100℃未満の温度において、VI族元素を含む蒸気を凝縮させ、
− 続いて、温度を150〜250℃の間に上昇させ、その温度を30秒〜15分の間維持し、
− 続いて、温度を450〜550℃の間に上昇させ、その温度を30秒〜15分の間維持すること
を含む、前記請求項のいずれか一項に記載の方法。 - 前記VI族元素がセレンを含む、請求項11に記載の方法。
- 前記多層構造が、I族元素の層の表面で終結する、前記請求項のいずれか一項に記載の方法。
- 光起電力特性を有する薄膜であって、I−III−VI2合金に基づき、前記請求項のいずれか一項に記載の方法によって得られ、ただし、前記層が、I族元素とIII族元素の合金比率の交互的な変動を含む、薄膜。
- 太陽電池を製造する方法であって、光起電力特性の薄膜を製造するための、請求項1〜13のいずれか一項に記載の方法を含む方法。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR0956996A FR2951022B1 (fr) | 2009-10-07 | 2009-10-07 | Fabrication de couches minces a proprietes photovoltaiques, a base d'un alliage de type i-iii-vi2, par electro-depots successifs et post-traitement thermique. |
FR0956996 | 2009-10-07 | ||
PCT/FR2010/052105 WO2011042660A2 (fr) | 2009-10-07 | 2010-10-06 | Fabrication de couches minces à propriétés photovoltaïques, à base d'un alliage de type i-iii-vi2, par électro-dépôts successifs et post-traitement thermique |
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JP2013507758A JP2013507758A (ja) | 2013-03-04 |
JP5583776B2 true JP5583776B2 (ja) | 2014-09-03 |
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US (1) | US8883547B2 (ja) |
EP (1) | EP2486603B1 (ja) |
JP (1) | JP5583776B2 (ja) |
CN (1) | CN102714254B (ja) |
FR (1) | FR2951022B1 (ja) |
WO (1) | WO2011042660A2 (ja) |
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2009
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- 2010-10-06 WO PCT/FR2010/052105 patent/WO2011042660A2/fr active Application Filing
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US8883547B2 (en) | 2014-11-11 |
US20120264255A1 (en) | 2012-10-18 |
CN102714254B (zh) | 2015-06-10 |
WO2011042660A2 (fr) | 2011-04-14 |
EP2486603A2 (fr) | 2012-08-15 |
EP2486603B1 (fr) | 2018-08-15 |
FR2951022A1 (fr) | 2011-04-08 |
CN102714254A (zh) | 2012-10-03 |
JP2013507758A (ja) | 2013-03-04 |
FR2951022B1 (fr) | 2012-07-27 |
WO2011042660A3 (fr) | 2012-05-31 |
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