JP5629210B2 - 太陽電池用層状コンタクト構造 - Google Patents
太陽電池用層状コンタクト構造 Download PDFInfo
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- JP5629210B2 JP5629210B2 JP2010523147A JP2010523147A JP5629210B2 JP 5629210 B2 JP5629210 B2 JP 5629210B2 JP 2010523147 A JP2010523147 A JP 2010523147A JP 2010523147 A JP2010523147 A JP 2010523147A JP 5629210 B2 JP5629210 B2 JP 5629210B2
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- ink
- glass
- silver
- layer
- phosphorus
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- 239000012299 nitrogen atmosphere Substances 0.000 description 1
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- JCGNDDUYTRNOFT-UHFFFAOYSA-N oxolane-2,4-dione Chemical compound O=C1COC(=O)C1 JCGNDDUYTRNOFT-UHFFFAOYSA-N 0.000 description 1
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- 150000003018 phosphorus compounds Chemical class 0.000 description 1
- XHXFXVLFKHQFAL-UHFFFAOYSA-N phosphoryl trichloride Chemical compound ClP(Cl)(Cl)=O XHXFXVLFKHQFAL-UHFFFAOYSA-N 0.000 description 1
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- 229940005657 pyrophosphoric acid Drugs 0.000 description 1
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- CQLFBEKRDQMJLZ-UHFFFAOYSA-M silver acetate Chemical compound [Ag+].CC([O-])=O CQLFBEKRDQMJLZ-UHFFFAOYSA-M 0.000 description 1
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- VFWRGKJLLYDFBY-UHFFFAOYSA-N silver;hydrate Chemical compound O.[Ag].[Ag] VFWRGKJLLYDFBY-UHFFFAOYSA-N 0.000 description 1
- GGCZERPQGJTIQP-UHFFFAOYSA-N sodium;9,10-dioxoanthracene-2-sulfonic acid Chemical compound [Na+].C1=CC=C2C(=O)C3=CC(S(=O)(=O)O)=CC=C3C(=O)C2=C1 GGCZERPQGJTIQP-UHFFFAOYSA-N 0.000 description 1
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- QJVXKWHHAMZTBY-GCPOEHJPSA-N syringin Chemical compound COC1=CC(\C=C\CO)=CC(OC)=C1O[C@H]1[C@H](O)[C@@H](O)[C@H](O)[C@@H](CO)O1 QJVXKWHHAMZTBY-GCPOEHJPSA-N 0.000 description 1
- GUVRBAGPIYLISA-UHFFFAOYSA-N tantalum atom Chemical compound [Ta] GUVRBAGPIYLISA-UHFFFAOYSA-N 0.000 description 1
- 229910001936 tantalum oxide Inorganic materials 0.000 description 1
- 150000003505 terpenes Chemical class 0.000 description 1
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- 238000005979 thermal decomposition reaction Methods 0.000 description 1
- 229910052718 tin Inorganic materials 0.000 description 1
- OGIDPMRJRNCKJF-UHFFFAOYSA-N titanium oxide Inorganic materials [Ti]=O OGIDPMRJRNCKJF-UHFFFAOYSA-N 0.000 description 1
- KHPCPRHQVVSZAH-UHFFFAOYSA-N trans-cinnamyl beta-D-glucopyranoside Natural products OC1C(O)C(O)C(CO)OC1OCC=CC1=CC=CC=C1 KHPCPRHQVVSZAH-UHFFFAOYSA-N 0.000 description 1
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Images
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- 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
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- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
- C03C3/00—Glass compositions
- C03C3/04—Glass compositions containing silica
- C03C3/062—Glass compositions containing silica with less than 40% silica by weight
- C03C3/064—Glass compositions containing silica with less than 40% silica by weight containing boron
- C03C3/066—Glass compositions containing silica with less than 40% silica by weight containing boron containing zinc
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- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
- C03C3/00—Glass compositions
- C03C3/04—Glass compositions containing silica
- C03C3/062—Glass compositions containing silica with less than 40% silica by weight
- C03C3/07—Glass compositions containing silica with less than 40% silica by weight containing lead
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- C—CHEMISTRY; METALLURGY
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- C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
- C03C8/00—Enamels; Glazes; Fusion seal compositions being frit compositions having non-frit additions
- C03C8/02—Frit compositions, i.e. in a powdered or comminuted form
- C03C8/04—Frit compositions, i.e. in a powdered or comminuted form containing zinc
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- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
- C03C8/00—Enamels; Glazes; Fusion seal compositions being frit compositions having non-frit additions
- C03C8/02—Frit compositions, i.e. in a powdered or comminuted form
- C03C8/10—Frit compositions, i.e. in a powdered or comminuted form containing lead
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- C03C8/00—Enamels; Glazes; Fusion seal compositions being frit compositions having non-frit additions
- C03C8/14—Glass frit mixtures having non-frit additions, e.g. opacifiers, colorants, mill-additions
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- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
- C03C8/00—Enamels; Glazes; Fusion seal compositions being frit compositions having non-frit additions
- C03C8/14—Glass frit mixtures having non-frit additions, e.g. opacifiers, colorants, mill-additions
- C03C8/16—Glass frit mixtures having non-frit additions, e.g. opacifiers, colorants, mill-additions with vehicle or suspending agents, e.g. slip
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- C03C8/00—Enamels; Glazes; Fusion seal compositions being frit compositions having non-frit additions
- C03C8/14—Glass frit mixtures having non-frit additions, e.g. opacifiers, colorants, mill-additions
- C03C8/18—Glass frit mixtures having non-frit additions, e.g. opacifiers, colorants, mill-additions containing free metals
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- 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
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- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
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Description
20 n型拡散層
30 保護層/反射防止コーティング(窒化ケイ素膜、酸化チタン膜、もしくは酸化ケイ素膜のいずれかであり得る。)
40 p+層(裏面電界:BSF)
60 裏面に形成されたアルミニウムベースペースト
61 裏面アルミニウムベースペーストを焼成して得られたアルミニウムベース裏面電極
70 裏面に形成された、銀、もしくは銀/アルミニウムペースト
71 裏面銀ペーストの焼成によって得られた、銀、もしくは銀/アルミニウム裏面電極
500 本発明にかかる前面に形成された銀ペースト
501 前面銀ペーストの焼成によって形成された、本発明にかかる銀前面電極
510 第一コンタクト層
520 第二コンタクト層
530 バルク層
Claims (10)
- コンタクト層及びバルク層からなる太陽電池コンタクトの製造方法であり、前記方法が、
a.シリコンウェハの反射防止コーティングを有する部分の少なくとも一部の上に、40重量%から75重量%の固形分を有する第一インク層を10から60μmの配線幅でインクジェット印刷する段階であり、前記インクが、リンと、 平均粒径3μm未満の銀粒子とガラスフリット(当該ガラスフリットは 200℃から700℃のガラス遷移温度を有するものである)、を含むことを特徴とする印刷段階と、
b.前記ウェハを焼成し、ガラスフリットが溶融してガラスが形成され、シリコンへのコンタクト層が形成される段階と
からなることを特徴とする方法。 - 請求項1の方法において、前記銀が、AgCl、AgNO3、Ag2SO4、AgOOCCH3、有機金属銀化合物、及びそれらの組み合わせからなる群から選択される銀化合物の形態であることを特徴とする方法。
- 請求項1の方法において、前記インクは、リンで被覆した銀粒子を含むことを特徴とする方法。
- 請求項3の方法において、前記リン組成物が、乾燥重量で少なくとも10重量%のリン元素を含むことを特徴とする方法。
- 請求項3の方法において、前記リン組成物が、少なくとも25モル%のP2O5からなるリンガラスを含むことを特徴とする方法。
- 請求項3の方法において、前記リン組成物が、[R1−O]3−P;[Ar1−O]3−P;[R2−Ar2−O]3−P;[R3−Ar3−O]3−P;P−[(R4−O)x(Ar4−O)y(R5−Ar5−O)3−(x+y)];[(R6O)2−P−Ar6]2;[(Ar7O)2−P−Ar7]2;及び[(R7O)2−P−R8]2(式中、R1からR8は、それぞれ独立して、C1からC10のアルキル基及び置換アルキル基からなる群から選択され、及びAr1からAr7は、それぞれ独立して、フェニル基及び置換フェニル基からなる群から選択される。)からなる群から選択される有機リン化合物を含むことを特徴とする方法。
- 請求項3の方法において、前記リン組成物が、H3PO4、リン酸塩、リン酸塩ガラス、ホスフィン、P2O5、及びそれらの組み合わせからなる群から選択される無機リン化合物を含むことを特徴とする方法。
- 請求項3の方法において、前記インクが、さらに、Ni、Fe、Co、Pt、Pd、W、Mo、Gd、Y、Zr、Hf、Ti、La、Ta、Nb、V、Ir、Rh、及びそれらの組み合わせからなる群から選択される金属を含むことを特徴とする方法。
- 請求項1の方法において、前記リン組成物が、[R1−O]3−P;[Ar1−O]3−P;[R2−Ar2−O]3−P;[R3−Ar3−O]3−P;P−[(R4−O)x(Ar4−O)y(R5−Ar5−O)3−(x+y)];[(R6O)2−P−Ar6]2;[(Ar7O)2−P−Ar7]2;及び[(R7O)2−P−R8]2(式中、R1からR8は、それぞれ独立して、C1からC10のアルキル基及び置換アルキル基からなる群から選択され、及びAr1からAr7は、それぞれ独立して、フェニル基及び置換フェニル基からなる群から選択される。)からなる群から選択される有機リン化合物を含むことを特徴とする方法。
- 請求項1の方法において、前記シリコンウェハの上にはn型拡散層が設けられており、該n型拡散層上に前記反射コーティングが形成され、当該反射防止コーティング上に第一インク層をインクジェット印刷することを特徴とする方法。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
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US96934007P | 2007-08-31 | 2007-08-31 | |
US60/969,340 | 2007-08-31 | ||
PCT/US2008/074711 WO2009029738A1 (en) | 2007-08-31 | 2008-08-29 | Layered contact structure for solar cells |
Publications (2)
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JP2010538471A JP2010538471A (ja) | 2010-12-09 |
JP5629210B2 true JP5629210B2 (ja) | 2014-11-19 |
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JP2010523147A Expired - Fee Related JP5629210B2 (ja) | 2007-08-31 | 2008-08-29 | 太陽電池用層状コンタクト構造 |
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US (2) | US8236598B2 (ja) |
EP (1) | EP2191514A4 (ja) |
JP (1) | JP5629210B2 (ja) |
KR (1) | KR101543046B1 (ja) |
CN (2) | CN102593243A (ja) |
WO (1) | WO2009029738A1 (ja) |
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- 2008-08-29 CN CN2012100271466A patent/CN102593243A/zh active Pending
- 2008-08-29 WO PCT/US2008/074711 patent/WO2009029738A1/en active Application Filing
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- 2008-08-29 US US12/298,956 patent/US8236598B2/en not_active Expired - Fee Related
- 2008-08-29 KR KR1020107004254A patent/KR101543046B1/ko not_active Expired - Fee Related
- 2008-08-29 CN CN2008801049446A patent/CN101796650B/zh not_active Expired - Fee Related
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EP2191514A4 (en) | 2016-11-30 |
KR20100047291A (ko) | 2010-05-07 |
US20120270366A1 (en) | 2012-10-25 |
JP2010538471A (ja) | 2010-12-09 |
WO2009029738A1 (en) | 2009-03-05 |
CN101796650B (zh) | 2012-11-28 |
KR101543046B1 (ko) | 2015-08-07 |
EP2191514A1 (en) | 2010-06-02 |
CN101796650A (zh) | 2010-08-04 |
CN102593243A (zh) | 2012-07-18 |
US20100173446A1 (en) | 2010-07-08 |
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