JP4560013B2 - 光起電積層体の効率を高める方法 - Google Patents
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- JP4560013B2 JP4560013B2 JP2006173544A JP2006173544A JP4560013B2 JP 4560013 B2 JP4560013 B2 JP 4560013B2 JP 2006173544 A JP2006173544 A JP 2006173544A JP 2006173544 A JP2006173544 A JP 2006173544A JP 4560013 B2 JP4560013 B2 JP 4560013B2
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Classifications
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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
- H01L31/18—Processes or apparatus specially adapted for the manufacture or treatment of these devices or of parts thereof
- H01L31/20—Processes or apparatus specially adapted for the manufacture or treatment of these devices or of parts thereof such devices or parts thereof comprising amorphous semiconductor materials
- H01L31/208—Particular post-treatment of the devices, e.g. annealing, short-circuit elimination
-
- 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
-
- 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
- Y02E10/543—Solar cells from 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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
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- Manufacturing & Machinery (AREA)
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- Condensed Matter Physics & Semiconductors (AREA)
- Electromagnetism (AREA)
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- Computer Hardware Design (AREA)
- Microelectronics & Electronic Packaging (AREA)
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- Photovoltaic Devices (AREA)
Description
したがって、少なくとも部分的に、前述したような問題を克服するシステムが求められている。
Claims (12)
- 光起電積層体の効率を高める方法であって、
前記光起電積層体における局在分路欠陥の位置を特定する位置特定ステップと、
前記局在分路欠陥によって発生する分路効果を減少させるように、前記局在分路欠陥の位置における光起電積層体の少なくとも一部を電気的に分離するステップであって、前記局在分路欠陥の周囲をリング形状に除去することによって分離が行われ、該リング形状によって包含される面積が、前記局在分路欠陥によって分路された前記光起電積層体の面積よりも小さい、分離ステップと、
から成ることを特徴とする方法。 - 請求項1記載の方法において、前記位置特定ステップは、光ビーム誘導電流及び電子ビーム誘導電流の少なくとも1つを検知することによって行われることを特徴とする方法。
- 請求項1記載の方法において、前記分離ステップは、前記局在分路欠陥の位置において前記起電積層体の少なくとも一部を除去することによって行われることを特徴とする方法。
- 請求項1記載の方法において、前記分離ステップは、前記局在分路欠陥の位置における、前記局在分路欠陥、透明導電性酸化物層、光起電層、及び背面コンタクト層の内少なくとも1つのレーザ切除によって行われることを特徴とする方法。
- 請求項1記載の方法において、前記分離ステップは、透明導電性酸化物層、光起電層、及び背面コンタクト層の少なくとも1つを、刻み込みによって除去することを特徴とする方法。
- 請求項1記載の方法において、前記位置特定ステップ、及び前記分離ステップは、前記局在分路欠陥の位置を特定するための相対的に弱いビームを選択的に生成し、更に前記光起電層の少なくとも一部を電気的に分離するための相対的に強いビームも選択的に生成する単一のビーム源の使用によって行われることを特徴とする方法。
- 請求項1記載の方法において、前記分離ステップは、(a)前記光起電層の背面コンタクトの全て、(b)前記光起電層の光起電層の全て、及び(c)透明導電性酸化物層の全ての内の少なくとも1つを、前記局在分路欠陥の位置周囲を取り囲むリング形状に除去することを特徴とする方法。
- 請求項1記載の方法において、前記分離ステップは、(a)前記光起電層の背面コンタクトの少なくとも一部、(b)前記光起電層の光起電層の少なくとも一部、及び(c)透明導電性酸化物層の少なくとも一部の内の少なくとも1つを、前記局在分路欠陥の位置においてリング形状に除去することを特徴とする方法。
- 請求項1記載の方法において、前記分離ステップは、低温レーザ光化学切除及びレーザ熱切除の少なくとも一方によって行われることを特徴とする方法。
- 請求項1記載の方法において、前記光起電積層体における局在分路欠陥の位置を特定するステップは、ビームを前記光起電積層体全域で走査する際に前記光起電積層体が生成する電流の変化を測定することによって行われることを特徴とする方法。
- 請求項1記載の方法において、前記光起電積層体における局在分路欠陥の位置を特定するステップは、分光偏光解析法及びフォトルミネセンス・マッピングの少なくとも1つを同時に行うことを特徴とする方法。
- 光起電積層体の効率を高める方法であって、
ビームを前記光起電積層体の全域で走査する際に前記光起電積層体が生成する電流の変化を測定することによって、前記光起電積層体における局在分路欠陥の位置を特定する位置特定ステップと、
前記局在分路欠陥によって生ずる分路効果を除去するように、前記局在分路欠陥を取り囲むリング形状に、前記光起電積層体の少なくとも一部をレーザで切除することによって電気的に分離するステップであって、リング形状によって包含される面積が、前記局在分路欠陥によって分路された前記光起電積層体の面積よりも小さい、分離ステップと、
から成ることを特徴とする方法。
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US11/278,158 US20070227586A1 (en) | 2006-03-31 | 2006-03-31 | Detection and ablation of localized shunting defects in photovoltaics |
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JP2007273933A JP2007273933A (ja) | 2007-10-18 |
JP4560013B2 true JP4560013B2 (ja) | 2010-10-13 |
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JP2006173544A Expired - Fee Related JP4560013B2 (ja) | 2006-03-31 | 2006-06-23 | 光起電積層体の効率を高める方法 |
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JPS6154681A (ja) * | 1984-08-25 | 1986-03-18 | Fuji Electric Corp Res & Dev Ltd | 薄膜光起電力素子の製造方法 |
JPH0837317A (ja) * | 1994-07-22 | 1996-02-06 | Sharp Corp | 薄膜太陽電池および薄膜太陽電池の欠陥検出方法およびその方法を用いた薄膜太陽電池の欠陥検出除去装置 |
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US4166918A (en) * | 1978-07-19 | 1979-09-04 | Rca Corporation | Method of removing the effects of electrical shorts and shunts created during the fabrication process of a solar cell |
US4640002A (en) * | 1982-02-25 | 1987-02-03 | The University Of Delaware | Method and apparatus for increasing the durability and yield of thin film photovoltaic devices |
US5656229A (en) * | 1990-02-20 | 1997-08-12 | Nikon Corporation | Method for removing a thin film layer |
GB9218482D0 (en) * | 1992-09-01 | 1992-10-14 | Dixon Arthur E | Apparatus and method for scanning laser imaging of macroscopic samples |
US6225640B1 (en) * | 1999-05-19 | 2001-05-01 | Hughes Electronics Corporation | Method for electrical shunt detection and removal on semiconductors |
JP4241446B2 (ja) * | 2003-03-26 | 2009-03-18 | キヤノン株式会社 | 積層型光起電力素子 |
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2006
- 2006-03-31 US US11/278,158 patent/US20070227586A1/en not_active Abandoned
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Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
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JPS58158977A (ja) * | 1982-02-25 | 1983-09-21 | ユニバ−シテイ・オブ・デラウエア | 薄膜太陽電池を製造する方法及び装置 |
JPS5935486A (ja) * | 1982-08-24 | 1984-02-27 | Sanyo Electric Co Ltd | 光半導体装置 |
JPS5986269A (ja) * | 1982-11-09 | 1984-05-18 | Semiconductor Energy Lab Co Ltd | 光電変換装置の作製方法 |
JPS6154681A (ja) * | 1984-08-25 | 1986-03-18 | Fuji Electric Corp Res & Dev Ltd | 薄膜光起電力素子の製造方法 |
JPH0837317A (ja) * | 1994-07-22 | 1996-02-06 | Sharp Corp | 薄膜太陽電池および薄膜太陽電池の欠陥検出方法およびその方法を用いた薄膜太陽電池の欠陥検出除去装置 |
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