WO2006003830A1 - ペースト組成物およびそれを用いた太陽電池素子 - Google Patents
ペースト組成物およびそれを用いた太陽電池素子 Download PDFInfo
- Publication number
- WO2006003830A1 WO2006003830A1 PCT/JP2005/011511 JP2005011511W WO2006003830A1 WO 2006003830 A1 WO2006003830 A1 WO 2006003830A1 JP 2005011511 W JP2005011511 W JP 2005011511W WO 2006003830 A1 WO2006003830 A1 WO 2006003830A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- paste composition
- semiconductor substrate
- mass
- type silicon
- metal alkoxide
- Prior art date
Links
- 239000000203 mixture Substances 0.000 title claims abstract description 79
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims abstract description 89
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims abstract description 60
- 229910052710 silicon Inorganic materials 0.000 claims abstract description 60
- 239000010703 silicon Substances 0.000 claims abstract description 60
- 239000011521 glass Substances 0.000 claims abstract description 59
- 239000004065 semiconductor Substances 0.000 claims abstract description 59
- 239000000758 substrate Substances 0.000 claims abstract description 58
- 229910052751 metal Inorganic materials 0.000 claims abstract description 56
- 239000002184 metal Substances 0.000 claims abstract description 56
- 150000004703 alkoxides Chemical class 0.000 claims abstract description 48
- 238000010304 firing Methods 0.000 claims abstract description 25
- 239000002245 particle Substances 0.000 claims description 58
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 16
- 229910052799 carbon Inorganic materials 0.000 claims description 15
- 150000002484 inorganic compounds Chemical class 0.000 claims description 13
- 229910010272 inorganic material Inorganic materials 0.000 claims description 13
- 150000002894 organic compounds Chemical class 0.000 claims description 13
- 230000003301 hydrolyzing effect Effects 0.000 claims description 9
- 150000002736 metal compounds Chemical class 0.000 claims description 6
- 238000000034 method Methods 0.000 claims description 4
- 239000004071 soot Substances 0.000 claims 1
- 229910052782 aluminium Inorganic materials 0.000 abstract description 63
- 230000002411 adverse Effects 0.000 abstract description 17
- 239000000126 substance Substances 0.000 abstract description 13
- 230000000694 effects Effects 0.000 abstract description 11
- 239000004411 aluminium Substances 0.000 abstract 3
- 230000002708 enhancing effect Effects 0.000 abstract 1
- 210000004027 cell Anatomy 0.000 description 26
- -1 tack fires Substances 0.000 description 16
- 238000002844 melting Methods 0.000 description 12
- 230000008018 melting Effects 0.000 description 12
- CSDREXVUYHZDNP-UHFFFAOYSA-N alumanylidynesilicon Chemical compound [Al].[Si] CSDREXVUYHZDNP-UHFFFAOYSA-N 0.000 description 8
- 238000006243 chemical reaction Methods 0.000 description 6
- 239000000654 additive Substances 0.000 description 5
- 150000001875 compounds Chemical class 0.000 description 5
- 206010040844 Skin exfoliation Diseases 0.000 description 4
- 230000000996 additive effect Effects 0.000 description 4
- 239000011248 coating agent Substances 0.000 description 4
- 238000000576 coating method Methods 0.000 description 4
- 230000007423 decrease Effects 0.000 description 4
- 238000006068 polycondensation reaction Methods 0.000 description 4
- 229920005989 resin Polymers 0.000 description 4
- 239000011347 resin Substances 0.000 description 4
- 238000007650 screen-printing Methods 0.000 description 4
- 239000002904 solvent Substances 0.000 description 4
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 3
- 239000004698 Polyethylene Substances 0.000 description 3
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 3
- 125000003545 alkoxy group Chemical group 0.000 description 3
- 238000001816 cooling Methods 0.000 description 3
- 238000005336 cracking Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000009792 diffusion process Methods 0.000 description 3
- 239000010408 film Substances 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 229920000573 polyethylene Polymers 0.000 description 3
- 239000000843 powder Substances 0.000 description 3
- 229910052814 silicon oxide Inorganic materials 0.000 description 3
- 238000005728 strengthening Methods 0.000 description 3
- RSWGJHLUYNHPMX-UHFFFAOYSA-N Abietic-Saeure Natural products C12CCC(C(C)C)=CC2=CCC2C1(C)CCCC2(C)C(O)=O RSWGJHLUYNHPMX-UHFFFAOYSA-N 0.000 description 2
- 229920000178 Acrylic resin Polymers 0.000 description 2
- 239000004925 Acrylic resin Substances 0.000 description 2
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 2
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 2
- XUMBMVFBXHLACL-UHFFFAOYSA-N Melanin Chemical compound O=C1C(=O)C(C2=CNC3=C(C(C(=O)C4=C32)=O)C)=C2C4=CNC2=C1C XUMBMVFBXHLACL-UHFFFAOYSA-N 0.000 description 2
- LRHPLDYGYMQRHN-UHFFFAOYSA-N N-Butanol Chemical compound CCCCO LRHPLDYGYMQRHN-UHFFFAOYSA-N 0.000 description 2
- BPQQTUXANYXVAA-UHFFFAOYSA-N Orthosilicate Chemical compound [O-][Si]([O-])([O-])[O-] BPQQTUXANYXVAA-UHFFFAOYSA-N 0.000 description 2
- 239000002202 Polyethylene glycol Substances 0.000 description 2
- 239000004743 Polypropylene Substances 0.000 description 2
- KHPCPRHQVVSZAH-HUOMCSJISA-N Rosin Natural products O(C/C=C/c1ccccc1)[C@H]1[C@H](O)[C@@H](O)[C@@H](O)[C@@H](CO)O1 KHPCPRHQVVSZAH-HUOMCSJISA-N 0.000 description 2
- BOTDANWDWHJENH-UHFFFAOYSA-N Tetraethyl orthosilicate Chemical compound CCO[Si](OCC)(OCC)OCC BOTDANWDWHJENH-UHFFFAOYSA-N 0.000 description 2
- 239000006229 carbon black Substances 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 2
- 239000002131 composite material Substances 0.000 description 2
- 229910021419 crystalline silicon Inorganic materials 0.000 description 2
- 238000000354 decomposition reaction Methods 0.000 description 2
- KPUWHANPEXNPJT-UHFFFAOYSA-N disiloxane Chemical class [SiH3]O[SiH3] KPUWHANPEXNPJT-UHFFFAOYSA-N 0.000 description 2
- 230000007062 hydrolysis Effects 0.000 description 2
- 238000006460 hydrolysis reaction Methods 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 239000003112 inhibitor Substances 0.000 description 2
- 229920001223 polyethylene glycol Polymers 0.000 description 2
- 229920001721 polyimide Polymers 0.000 description 2
- 229920001155 polypropylene Polymers 0.000 description 2
- 238000007711 solidification Methods 0.000 description 2
- 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 2
- OHVLMTFVQDZYHP-UHFFFAOYSA-N 1-(2,4,6,7-tetrahydrotriazolo[4,5-c]pyridin-5-yl)-2-[4-[2-[[3-(trifluoromethoxy)phenyl]methylamino]pyrimidin-5-yl]piperazin-1-yl]ethanone Chemical compound N1N=NC=2CN(CCC=21)C(CN1CCN(CC1)C=1C=NC(=NC=1)NCC1=CC(=CC=C1)OC(F)(F)F)=O OHVLMTFVQDZYHP-UHFFFAOYSA-N 0.000 description 1
- HMUNWXXNJPVALC-UHFFFAOYSA-N 1-[4-[2-(2,3-dihydro-1H-inden-2-ylamino)pyrimidin-5-yl]piperazin-1-yl]-2-(2,4,6,7-tetrahydrotriazolo[4,5-c]pyridin-5-yl)ethanone Chemical compound C1C(CC2=CC=CC=C12)NC1=NC=C(C=N1)N1CCN(CC1)C(CN1CC2=C(CC1)NN=N2)=O HMUNWXXNJPVALC-UHFFFAOYSA-N 0.000 description 1
- VXQBJTKSVGFQOL-UHFFFAOYSA-N 2-(2-butoxyethoxy)ethyl acetate Chemical compound CCCCOCCOCCOC(C)=O VXQBJTKSVGFQOL-UHFFFAOYSA-N 0.000 description 1
- SXAMGRAIZSSWIH-UHFFFAOYSA-N 2-[3-[2-(2,3-dihydro-1H-inden-2-ylamino)pyrimidin-5-yl]-1,2,4-oxadiazol-5-yl]-1-(2,4,6,7-tetrahydrotriazolo[4,5-c]pyridin-5-yl)ethanone Chemical compound C1C(CC2=CC=CC=C12)NC1=NC=C(C=N1)C1=NOC(=N1)CC(=O)N1CC2=C(CC1)NN=N2 SXAMGRAIZSSWIH-UHFFFAOYSA-N 0.000 description 1
- MUTDXQJNNJYAEG-UHFFFAOYSA-N 2-[4-[2-(2,3-dihydro-1H-inden-2-ylamino)pyrimidin-5-yl]-3-(dimethylamino)pyrazol-1-yl]-1-(2,4,6,7-tetrahydrotriazolo[4,5-c]pyridin-5-yl)ethanone Chemical compound C1C(CC2=CC=CC=C12)NC1=NC=C(C=N1)C=1C(=NN(C=1)CC(=O)N1CC2=C(CC1)NN=N2)N(C)C MUTDXQJNNJYAEG-UHFFFAOYSA-N 0.000 description 1
- YJLUBHOZZTYQIP-UHFFFAOYSA-N 2-[5-[2-(2,3-dihydro-1H-inden-2-ylamino)pyrimidin-5-yl]-1,3,4-oxadiazol-2-yl]-1-(2,4,6,7-tetrahydrotriazolo[4,5-c]pyridin-5-yl)ethanone Chemical compound C1C(CC2=CC=CC=C12)NC1=NC=C(C=N1)C1=NN=C(O1)CC(=O)N1CC2=C(CC1)NN=N2 YJLUBHOZZTYQIP-UHFFFAOYSA-N 0.000 description 1
- YLZOPXRUQYQQID-UHFFFAOYSA-N 3-(2,4,6,7-tetrahydrotriazolo[4,5-c]pyridin-5-yl)-1-[4-[2-[[3-(trifluoromethoxy)phenyl]methylamino]pyrimidin-5-yl]piperazin-1-yl]propan-1-one Chemical compound N1N=NC=2CN(CCC=21)CCC(=O)N1CCN(CC1)C=1C=NC(=NC=1)NCC1=CC(=CC=C1)OC(F)(F)F YLZOPXRUQYQQID-UHFFFAOYSA-N 0.000 description 1
- QCAHUFWKIQLBNB-UHFFFAOYSA-N 3-(3-methoxypropoxy)propan-1-ol Chemical compound COCCCOCCCO QCAHUFWKIQLBNB-UHFFFAOYSA-N 0.000 description 1
- DEXFNLNNUZKHNO-UHFFFAOYSA-N 6-[3-[4-[2-(2,3-dihydro-1H-inden-2-ylamino)pyrimidin-5-yl]piperidin-1-yl]-3-oxopropyl]-3H-1,3-benzoxazol-2-one Chemical compound C1C(CC2=CC=CC=C12)NC1=NC=C(C=N1)C1CCN(CC1)C(CCC1=CC2=C(NC(O2)=O)C=C1)=O DEXFNLNNUZKHNO-UHFFFAOYSA-N 0.000 description 1
- FIPWRIJSWJWJAI-UHFFFAOYSA-N Butyl carbitol 6-propylpiperonyl ether Chemical compound C1=C(CCC)C(COCCOCCOCCCC)=CC2=C1OCO2 FIPWRIJSWJWJAI-UHFFFAOYSA-N 0.000 description 1
- 101100256916 Caenorhabditis elegans sid-1 gene Proteins 0.000 description 1
- 229920000298 Cellophane Polymers 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 239000001856 Ethyl cellulose Substances 0.000 description 1
- ZZSNKZQZMQGXPY-UHFFFAOYSA-N Ethyl cellulose Chemical compound CCOCC1OC(OC)C(OCC)C(OCC)C1OC1C(O)C(O)C(OC)C(CO)O1 ZZSNKZQZMQGXPY-UHFFFAOYSA-N 0.000 description 1
- MKYBYDHXWVHEJW-UHFFFAOYSA-N N-[1-oxo-1-(2,4,6,7-tetrahydrotriazolo[4,5-c]pyridin-5-yl)propan-2-yl]-2-[[3-(trifluoromethoxy)phenyl]methylamino]pyrimidine-5-carboxamide Chemical compound O=C(C(C)NC(=O)C=1C=NC(=NC=1)NCC1=CC(=CC=C1)OC(F)(F)F)N1CC2=C(CC1)NN=N2 MKYBYDHXWVHEJW-UHFFFAOYSA-N 0.000 description 1
- NIPNSKYNPDTRPC-UHFFFAOYSA-N N-[2-oxo-2-(2,4,6,7-tetrahydrotriazolo[4,5-c]pyridin-5-yl)ethyl]-2-[[3-(trifluoromethoxy)phenyl]methylamino]pyrimidine-5-carboxamide Chemical compound O=C(CNC(=O)C=1C=NC(=NC=1)NCC1=CC(=CC=C1)OC(F)(F)F)N1CC2=C(CC1)NN=N2 NIPNSKYNPDTRPC-UHFFFAOYSA-N 0.000 description 1
- AFCARXCZXQIEQB-UHFFFAOYSA-N N-[3-oxo-3-(2,4,6,7-tetrahydrotriazolo[4,5-c]pyridin-5-yl)propyl]-2-[[3-(trifluoromethoxy)phenyl]methylamino]pyrimidine-5-carboxamide Chemical compound O=C(CCNC(=O)C=1C=NC(=NC=1)NCC1=CC(=CC=C1)OC(F)(F)F)N1CC2=C(CC1)NN=N2 AFCARXCZXQIEQB-UHFFFAOYSA-N 0.000 description 1
- VCUFZILGIRCDQQ-KRWDZBQOSA-N N-[[(5S)-2-oxo-3-(2-oxo-3H-1,3-benzoxazol-6-yl)-1,3-oxazolidin-5-yl]methyl]-2-[[3-(trifluoromethoxy)phenyl]methylamino]pyrimidine-5-carboxamide Chemical compound O=C1O[C@H](CN1C1=CC2=C(NC(O2)=O)C=C1)CNC(=O)C=1C=NC(=NC=1)NCC1=CC(=CC=C1)OC(F)(F)F VCUFZILGIRCDQQ-KRWDZBQOSA-N 0.000 description 1
- 239000000020 Nitrocellulose Substances 0.000 description 1
- CTQNGGLPUBDAKN-UHFFFAOYSA-N O-Xylene Chemical compound CC1=CC=CC=C1C CTQNGGLPUBDAKN-UHFFFAOYSA-N 0.000 description 1
- 229910019142 PO4 Inorganic materials 0.000 description 1
- 229930182556 Polyacetal Natural products 0.000 description 1
- 239000004695 Polyether sulfone Substances 0.000 description 1
- 239000004642 Polyimide Substances 0.000 description 1
- 239000004721 Polyphenylene oxide Substances 0.000 description 1
- 239000004793 Polystyrene Substances 0.000 description 1
- 229920001328 Polyvinylidene chloride Polymers 0.000 description 1
- 229910000676 Si alloy Inorganic materials 0.000 description 1
- 229920001807 Urea-formaldehyde Polymers 0.000 description 1
- 229920000122 acrylonitrile butadiene styrene Polymers 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 125000001931 aliphatic group Chemical group 0.000 description 1
- 229920000180 alkyd Polymers 0.000 description 1
- AZDRQVAHHNSJOQ-UHFFFAOYSA-N alumane Chemical group [AlH3] AZDRQVAHHNSJOQ-UHFFFAOYSA-N 0.000 description 1
- 229910021529 ammonia Inorganic materials 0.000 description 1
- 239000002518 antifoaming agent Substances 0.000 description 1
- 239000003963 antioxidant agent Substances 0.000 description 1
- 239000012298 atmosphere Substances 0.000 description 1
- RIOXQFHNBCKOKP-UHFFFAOYSA-N benomyl Chemical compound C1=CC=C2N(C(=O)NCCCC)C(NC(=O)OC)=NC2=C1 RIOXQFHNBCKOKP-UHFFFAOYSA-N 0.000 description 1
- 229960005286 carbaryl Drugs 0.000 description 1
- 239000000969 carrier Substances 0.000 description 1
- 210000003850 cellular structure Anatomy 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 239000007822 coupling agent Substances 0.000 description 1
- 235000014113 dietary fatty acids Nutrition 0.000 description 1
- MTHSVFCYNBDYFN-UHFFFAOYSA-N diethylene glycol Chemical compound OCCOCCO MTHSVFCYNBDYFN-UHFFFAOYSA-N 0.000 description 1
- 239000002270 dispersing agent Substances 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 239000003822 epoxy resin Substances 0.000 description 1
- FQMCMHQTSGVJIP-UHFFFAOYSA-N ethanol;2-(2-hydroxyethoxy)ethanol Chemical compound CCO.OCCOCCO FQMCMHQTSGVJIP-UHFFFAOYSA-N 0.000 description 1
- RTZKZFJDLAIYFH-UHFFFAOYSA-N ether Substances CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 1
- 229920001249 ethyl cellulose Polymers 0.000 description 1
- 235000019325 ethyl cellulose Nutrition 0.000 description 1
- 125000001495 ethyl group Chemical group [H]C([H])([H])C([H])([H])* 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 239000000194 fatty acid Substances 0.000 description 1
- 229930195729 fatty acid Natural products 0.000 description 1
- 150000004665 fatty acids Chemical class 0.000 description 1
- 239000007849 furan resin Substances 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000012948 isocyanate Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 229910044991 metal oxide Inorganic materials 0.000 description 1
- 150000004706 metal oxides Chemical class 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229920001220 nitrocellulos Polymers 0.000 description 1
- 231100000989 no adverse effect Toxicity 0.000 description 1
- 125000000962 organic group Chemical group 0.000 description 1
- 239000003960 organic solvent Substances 0.000 description 1
- 239000005011 phenolic resin Substances 0.000 description 1
- 239000010452 phosphate Substances 0.000 description 1
- 229960005235 piperonyl butoxide Drugs 0.000 description 1
- 239000004014 plasticizer Substances 0.000 description 1
- 229920003229 poly(methyl methacrylate) Polymers 0.000 description 1
- 229920002492 poly(sulfone) Polymers 0.000 description 1
- 229920001707 polybutylene terephthalate Polymers 0.000 description 1
- 229920000515 polycarbonate Polymers 0.000 description 1
- 239000004417 polycarbonate Substances 0.000 description 1
- 229920000647 polyepoxide Polymers 0.000 description 1
- 229920000728 polyester Polymers 0.000 description 1
- 229920006393 polyether sulfone Polymers 0.000 description 1
- 229920000139 polyethylene terephthalate Polymers 0.000 description 1
- 239000005020 polyethylene terephthalate Substances 0.000 description 1
- 239000009719 polyimide resin Substances 0.000 description 1
- 238000006116 polymerization reaction Methods 0.000 description 1
- 239000004926 polymethyl methacrylate Substances 0.000 description 1
- 229920006324 polyoxymethylene Polymers 0.000 description 1
- 229920006380 polyphenylene oxide Polymers 0.000 description 1
- 229920000136 polysorbate Polymers 0.000 description 1
- 229920002223 polystyrene Polymers 0.000 description 1
- 239000011118 polyvinyl acetate Substances 0.000 description 1
- 229920002689 polyvinyl acetate Polymers 0.000 description 1
- 229920000915 polyvinyl chloride Polymers 0.000 description 1
- 239000004800 polyvinyl chloride Substances 0.000 description 1
- 239000005033 polyvinylidene chloride Substances 0.000 description 1
- HKJYVRJHDIPMQB-UHFFFAOYSA-N propan-1-olate;titanium(4+) Chemical compound CCCO[Ti](OCCC)(OCCC)OCCC HKJYVRJHDIPMQB-UHFFFAOYSA-N 0.000 description 1
- 230000009257 reactivity Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 229910052709 silver Inorganic materials 0.000 description 1
- 239000004332 silver Substances 0.000 description 1
- 238000005245 sintering Methods 0.000 description 1
- 125000003011 styrenyl group Chemical class [H]\C(*)=C(/[H])C1=C([H])C([H])=C([H])C([H])=C1[H] 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- LFQCEHFDDXELDD-UHFFFAOYSA-N tetramethyl orthosilicate Chemical compound CO[Si](OC)(OC)OC LFQCEHFDDXELDD-UHFFFAOYSA-N 0.000 description 1
- 238000005979 thermal decomposition reaction Methods 0.000 description 1
- 229920002803 thermoplastic polyurethane Polymers 0.000 description 1
- 229920001187 thermosetting polymer Polymers 0.000 description 1
- 239000002562 thickening agent Substances 0.000 description 1
- 239000010409 thin film Substances 0.000 description 1
- 239000013008 thixotropic agent Substances 0.000 description 1
- WOZZOSDBXABUFO-UHFFFAOYSA-N tri(butan-2-yloxy)alumane Chemical compound [Al+3].CCC(C)[O-].CCC(C)[O-].CCC(C)[O-] WOZZOSDBXABUFO-UHFFFAOYSA-N 0.000 description 1
- WRECIMRULFAWHA-UHFFFAOYSA-N trimethyl borate Chemical compound COB(OC)OC WRECIMRULFAWHA-UHFFFAOYSA-N 0.000 description 1
- 229920006337 unsaturated polyester resin Polymers 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 239000001993 wax Substances 0.000 description 1
- 239000008096 xylene Substances 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B1/00—Conductors or conductive bodies characterised by the conductive materials; Selection of materials as conductors
- H01B1/20—Conductive material dispersed in non-conductive organic material
- H01B1/22—Conductive material dispersed in non-conductive organic material the conductive material comprising metals or alloys
-
- 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
- C03C14/00—Glass compositions containing a non-glass component, e.g. compositions containing fibres, filaments, whiskers, platelets, or the like, dispersed in a glass matrix
- C03C14/006—Glass compositions containing a non-glass component, e.g. compositions containing fibres, filaments, whiskers, platelets, or the like, dispersed in a glass matrix the non-glass component being in the form of microcrystallites, e.g. of optically or electrically active material
-
- 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
- C03C8/18—Glass frit mixtures having non-frit additions, e.g. opacifiers, colorants, mill-additions containing free metals
-
- 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
- H01L31/02—Details
- H01L31/0224—Electrodes
-
- 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
- H01L31/02—Details
- H01L31/0224—Electrodes
- H01L31/022408—Electrodes for devices characterised by at least one potential jump barrier or surface barrier
- H01L31/022425—Electrodes for devices characterised by at least one potential jump barrier or surface barrier for solar cells
-
- 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
- H01L31/04—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 adapted as photovoltaic [PV] conversion devices
-
- 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
- H01L31/04—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 adapted as photovoltaic [PV] conversion devices
- H01L31/06—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 adapted as photovoltaic [PV] conversion devices characterised by potential barriers
- H01L31/068—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 adapted as photovoltaic [PV] conversion devices characterised by potential barriers the potential barriers being only of the PN homojunction type, e.g. bulk silicon PN homojunction solar cells or thin film polycrystalline silicon PN homojunction solar cells
-
- 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
- C03C2214/00—Nature of the non-vitreous component
- C03C2214/08—Metals
-
- 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
- C03C2214/00—Nature of the non-vitreous component
- C03C2214/16—Microcrystallites, e.g. of optically or electrically active material
-
- 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
- Y02E10/547—Monocrystalline silicon PV cells
Definitions
- the present invention generally relates to a paste composition and a solar cell element using the same.
- the present invention relates to a paste composition used for forming a back surface aluminum electrode on a p-type silicon semiconductor substrate constituting a crystalline silicon solar cell, and a solar cell element using the paste composition.
- FIG. 1 is a diagram schematically showing a general cross-sectional structure of a solar cell element.
- an n-type impurity layer 2 having a thickness of 0.3 to 0.5 m is provided on the light-receiving surface side of a ⁇ -type silicon semiconductor substrate 1 having a thickness of 00 to 600 ⁇ m.
- a film 3 and a grid electrode 4 are formed in this order.
- an aluminum electrode layer 8 is formed as a back electrode on the back side of the p-type silicon semiconductor substrate 1.
- the aluminum electrode layer 8 is composed of an aluminum sintered layer 5 and an aluminum silicon mixed layer 6, and a paste composition that also has aluminum powder, glass frit, and organic vehicle power is applied by screen printing or the like, dried, and then 660 ° It is formed by firing at a temperature equal to or higher than C (melting point of aluminum). During this firing, aluminum diffuses into the p-type silicon semiconductor substrate 1, thereby forming an aluminum silicon mixed layer 6 between the aluminum sintered layer 5 and the p-type silicon semiconductor substrate 1.
- a p + layer (or layer) 7 is formed as a diffusion layer by atomic diffusion.
- the presence of the p + layer 7 provides a BSF (Back Surface Field) effect that improves the collection efficiency of generated carriers.
- the actual back electrode can be used as it is when the three layers of sintered aluminum layer 5, aluminum-silicon mixed layer 6 and p + layer 7 are used as they are, and to reduce the electrical resistance, After the sintered layer 5 or the sintered aluminum sintered layer 5 and the aluminum silicon mixed layer 6 are removed by a chemical method, etc. An electrode layer made of silver or copper may be formed on the surface for use. In any case, the P + layer 7 exhibits the BSF effect.
- the paste composition used to form the aluminum electrode layer 8 as the back electrode generally includes an aluminum powder, a glass frit, and an organic vehicle.
- the aluminum powder is added in an amount of about 60 to 80% by mass for the purpose of forming the aluminum sintered layer 5, the aluminum silicon mixed layer 6 and the p + layer 7 by diffusion of aluminum atoms.
- Glass frit is used for the purpose of strengthening the bond between the aluminum electrode layer 8 and the p-type silicon semiconductor substrate 1 by utilizing the action of melting without volatilization during firing and re-solidifying upon cooling. About 5% by mass is added.
- the organic vehicle is added in an amount of about 15 to 40% by weight for the purpose of improving applicability and printability when the paste composition is applied by screen printing or the like.
- Patent Document 1 discloses a method for preventing warpage or cracking of a P-type silicon semiconductor substrate during firing while maintaining a desired function as a back electrode of a solar cell. Further, as a conductive paste capable of thinning an aluminum electrode layer, a paste containing aluminum-containing organic compound in addition to aluminum powder, glass frit, and organic vehicle is disclosed.
- Patent Document 2 discloses that even when the p-type silicon semiconductor substrate is thinned, the desired BSF effect can be sufficiently achieved without reducing the coating amount.
- a paste composition that can suppress deformation of the P-type silicon semiconductor substrate after firing in addition to aluminum powder and organic vehicle, the coefficient of thermal expansion is smaller than that of aluminum and melted. Any of temperature, softening temperature and decomposition temperature is aluminum. Disclosed are those containing an inorganic compound having a temperature higher than the melting point.
- JP 2004-134775 A (Patent Document 3) describes warping or cracking by reducing the shrinkage of the aluminum electrode layer during firing while maintaining a desired function as the back electrode of the solar cell.
- organic compound particles and carbon that are hardly soluble or insoluble in the organic vehicle are used as conductive paste yarns to prevent the occurrence of Disclosed are those containing at least one of the particles.
- lead-containing glass such as PbO, Bi O—SiO—B O, ZnO, etc.
- the lead-free glass has a problem that the firing temperature rises and the firing time becomes long in order to dissolve the lead-free glass uniformly with a high melting point.
- Patent Document 1 Japanese Unexamined Patent Publication No. 2000-90734
- Patent Document 2 Japanese Patent Application Laid-Open No. 2003-223813
- Patent Document 3 JP 2004-134775 A
- an object of the present invention is to solve the above-described problems, and it is possible to eliminate the glass frit as a substance that adversely affects the environment, or to use the glass frit as a substance that adversely affects the environment. Even if the content is reduced, a paste composition that can maintain a desired function as a back electrode of a solar cell and can strengthen the bond between the aluminum electrode layer and the p-type silicon semiconductor substrate, A solar cell element provided with an electrode formed using the composition is provided.
- the paste composition according to the present invention has the following characteristics.
- a paste yarn according to one aspect of the present invention is a paste composition for forming an electrode on a p-type silicon semiconductor substrate, and comprises an aluminum powder, an organic vehicle, and a metal alkoxide.
- a metal alkoxide refers to an alkoxide containing a metal, a semimetal or a semiconductor as the “metal”.
- One of the paste composition according to aspects of the invention 75 wt% 60 wt 0/0 or an aluminum powder below 35 wt% to 10 wt% of organic vehicle below 0.1 a metal alkoxy Sid 1 It is preferable to contain 20% by mass or less.
- a paste yarn composition according to another aspect of the present invention is a paste composition for forming an electrode on a p-type silicon semiconductor substrate, comprising an aluminum powder, an organic vehicle, It includes a sol obtained by hydrolyzing and polycondensing a metal alkoxide and Z or gel.
- the “metal alkoxide” refers to an alkoxide containing a metal, a semimetal or a semiconductor as the “metal”.
- a paste composition according to another aspect of the present invention is obtained by hydrolyzing a metal alkoxide with aluminum powder in an amount of 60% by mass to 75% by mass, an organic vehicle in an amount of 10% by mass to 35% by mass. It is preferable that the sol and Z or gel obtained by polycondensation contain 0.1% by mass or more and 20% by mass or less.
- the metal alkoxide is a metal alkoxide containing silicon as a metal.
- the paste composition according to one aspect of the present invention or the paste composition according to another aspect of the present invention comprises inorganic compound particles, organic compound particles, and carbon particle force. It further contains at least one particle selected from the group consisting of:
- the average particle size of the inorganic compound particles and the Z or organic compound particles is preferably 10 ⁇ m or less.
- the average particle size of the carbon particles is preferably 1 ⁇ m or less.
- a paste composition according to one aspect of the present invention or the present invention
- the paste yarn and composition according to another aspect of the invention further comprises a glass frit.
- a solar cell element according to the present invention includes an electrode formed by applying a paste yarn and composition having any of the above-described characteristics onto a p-type silicon semiconductor substrate and then firing it.
- a metal compound contained in the metal alkoxide is formed between the p-type silicon semiconductor substrate and the electrode!
- FIG. 1 is a diagram schematically showing a general cross-sectional structure of a solar cell element to which the present invention is applied as one embodiment.
- FIG. 2 is a diagram schematically showing a method for measuring a deformation amount of a p-type silicon semiconductor substrate after firing in which an aluminum electrode layer is formed in Examples and Conventional Examples.
- l p-type silicon semiconductor substrate
- 2 n-type impurity layer
- 3 antireflection film
- 4 grid electrode
- 5 sintered aluminum layer
- 6 aluminum silicon mixed layer
- 7 p + layer
- 8 Aluminum electrode layer
- the paste composition of the present invention is obtained by hydrolyzing and polycondensing metal alkoxide or metal alkoxide in addition to aluminum powder and organic vehicle. It is characterized in that it contains sol and Z or gel. Metal alkoxide is
- Metal alkoxides have different compounds depending on the type of metal element and its valence, the type of alkoxy group and its combination, and double alkoxides that have two types of metal power. There are many types of compounds, including those that are partially substituted with organic groups.
- the paste composition of the present invention may contain a metal alkoxide in a sol and Z or gel state obtained by hydrolysis and polycondensation in addition to a normal state.
- a metal alkoxide in a sol and Z or gel state obtained by hydrolysis and polycondensation in addition to a normal state.
- tetramethoxysilane, water, methanol and ammonia 1: 10: 2.2:. 3 by 7 X 10- 4 of making were mixed in a molar ratio of hydrolyzed to polycondensation, form siloxane live, The sol state is obtained, and when the reaction further proceeds, the gel state is obtained.
- a paste composition containing a metal alkoxide is applied to a p-type silicon semiconductor substrate, fired and cooled, a metal alkoxide is interposed between the formed aluminum electrode layer and the p-type silicon semiconductor substrate.
- a metal compound such as a metal oxide formed by thermal decomposition is densely formed, and the bond between the aluminum electrode layer and the p-type silicon semiconductor substrate can be strengthened.
- a substantially effective means other than adding glass frit to the paste yarn and the composition in order to strengthen the bond between the fired aluminum electrode layer and the p-type silicon semiconductor substrate, a substantially effective means other than adding glass frit to the paste yarn and the composition.
- the paste composition of the present invention when used, the above-mentioned bonding can be strengthened by reducing the content of glass frit without containing glass frit or even if glass frit is contained. it can.
- lead-free glass having a high melting point is used as a glass frit so as not to adversely affect the environment, the melting and re-solidification of the particulate glass become more uneven, and the aluminum electrode layer 8 Increases the risk of peeling. Furthermore, since the lead-free glass frit has a high melting point, it is necessary to increase the firing temperature and lengthen the firing time in order to make the melting and re-solidification of the particulate glass uniform.
- the sintering of the aluminum sintered layer 5 proceeds excessively, and the aluminum silicon mixed layer 6 is excessively formed, so that the amount of deformation such as warpage of the p-type silicon semiconductor substrate 1 increases, aluminum Sintered layer 5 is blistered (blister), and aluminum balls are generated on the surface. As a result, it cannot be used as a solar cell element.
- the paste yarn composition according to the present invention it is not necessary to include glass frit in order to strengthen the bond between the fired aluminum electrode layer and the p-type silicon semiconductor substrate, or the fired aluminum electrode layer and p Can reduce the content of glass frit that contributes to strengthening the bond with the silicon semiconductor substrate, eliminating the possibility of using substances that have an adverse effect on the environment, or having an adverse effect on the environment Even if glass frit is included as a substance that imparts odor, the content of substances that adversely affect the environment can be reduced. Further, in the paste composition of the present invention, it is not necessary to use lead-free glass having a high melting point, or even if lead-free glass is contained, the content of lead-free glass can be reduced. The adhesion between the fired aluminum electrode layer and the p-type silicon semiconductor substrate, which does not peel off the layer, can be improved, and the warp of the P-type silicon semiconductor substrate compared to the case of using lead-free glass. Can be prevented.
- any material such as boron methoxide as well as aluminum butoxide and titanium propoxide can be preferably used.
- a metal alkoxide containing a key such as tetraethoxysilane it is preferable to use a metal alkoxide containing a key such as tetraethoxysilane.
- a metal alkoxide may be included in the paste composition of the present invention in the state of sol and Z or gel obtained by hydrolyzing and polycondensing these metal alkoxides. For example, when tetraethoxysilane is hydrolyzed and polycondensed, siloxane is produced and the sol is obtained. When the reaction proceeds further, a gel state is obtained.
- the content of the metal alkoxide included in the paste composition of the present invention, or the content of sol and Z or gel obtained by hydrolyzing and polycondensing the metal alkoxide is 0.1% by mass.
- the content is preferably 20% by mass or less. If the content of the metal alkoxide, the sol obtained by hydrolyzing and polycondensing the metal alkoxide, and the content of Z or gel is less than 0.1% by mass, the aluminum electrode layer after firing and p-type silicon It is not possible to obtain a sufficient additive effect to strengthen the bond with the semiconductor substrate.
- the metal compound produced after firing causes the aluminum sintered layer to The electrical resistance increases and the characteristics of the solar cell element deteriorate.
- sol and Z or gel obtained by hydrolyzing and polycondensing the metal alkoxide or metal alkoxide included in the paste composition of the present invention utilize the properties of the alkoxy group. In part, it can also be used as an alternative to organic vehicles.
- the aluminum powder included in the paste composition of the present invention preferably has an average particle size of 10 ⁇ m or less.
- the average particle size exceeds 10 / zm, the contact point between the aluminum powder and the silicon semiconductor substrate decreases when the paste composition is applied, and a uniform aluminum silicon alloy layer may not be obtained after firing.
- the content of the aluminum powder included in the paste composition of the present invention is preferably 60% by mass or more and 75% by mass or less. If the content of aluminum powder is less than 60% by mass, the surface resistance of the aluminum electrode layer after firing increases, which may lead to a decrease in energy conversion efficiency. If the aluminum powder content exceeds 75% by mass, the applicability of the paste during screen printing will decrease.
- the organic vehicle included in the paste composition of the present invention a solvent in which various additives and rosin are dissolved in a solvent as required is used.
- solvent known solvents can be used, and specific examples include diethylene glycol monoethanolate, diethylene glycol monobutyl ether acetate, and dipropylene glycol monomethyl ether.
- additives include antioxidants, corrosion inhibitors, antifoaming agents, thickeners, plasticizers, dispersants, tack fires, coupling agents, electrostatic imparting agents, polymerization inhibitors, Thixotropic agents, anti-settling agents, etc. can be used.
- polyethylene glycol ester compound polyethylene glycol ether compound, polyoxyethylene sorbitan ester compound, sorbitan alkyl ester compound, aliphatic polyvalent carboxylic acid compound, phosphate ester compound, polyester acid Amide amine salts, acid-polyethylene compounds, fatty acid amide waxes and the like can be used.
- Known resins can be used, such as ethyl cellulose, nitrocellulose, polyvinylino reptilanol, phenol resin, melanin resin, urea resin, xylene resin, alkyd resin, Thermosetting resins such as unsaturated polyester resin, acrylic resin, polyimide resin, furan resin, urethane resin, isocyanate compound, cyanate compound, polyethylene, polypropylene, polystyrene, ABS resin, poly Methyl methacrylate, polyvinyl chloride, polyvinylidene chloride, poly (vinyl acetate), poly (butyl alcohol), polyacetal, polycarbonate, polyethylene terephthalate, polybutylene terephthalate, polyphenylene oxide, polysulfone, polyimide, polyether sulfone, poly Arilate, Polieichi Ether ketone, poly 4 fluorinated modified styrene may be combined one or two or more of such
- the content of the organic vehicle is preferably 10% by mass or more and 35% by mass or less.
- the printability of the paste decreases.
- the paste composition of the present invention may contain glass frit in order to further strengthen the bond between the aluminum electrode layer and the p-type silicon semiconductor substrate.
- the glass frit content is preferably 5% by mass or less. If the glass frit content exceeds 5% by mass, there is a risk that prayer of the glass will occur.
- lead-free glass it is most preferable to use lead-free glass as a glass frit, which does not adversely affect the environment.
- lead-containing glass May be.
- the paste composition of the present invention can reduce the content of lead-containing glass that contributes to the above-mentioned bonding compared to the conventional one, so that it is a substance that adversely affects the environment.
- the content can be reduced.
- the paste composition of the present invention is an inorganic compound particle for preventing deformation such as warpage of a solar cell element after firing due to a difference in thermal expansion coefficient between an aluminum electrode layer and a p-type silicon semiconductor substrate.
- One or more of organic compound particles and carbon particles may be further included.
- the total content of at least one of inorganic compound particles, organic compound particles, and carbon particles is preferably 0.1% by mass or more and 10% by mass or less. If the content of one or more of inorganic compound particles, organic compound particles, and carbon particles is less than 0.1% by mass in total, it is not possible to obtain a sufficient addition effect to prevent warpage. On the other hand, if it exceeds 10% by mass, the electrical resistance value of the aluminum electrode layer increases, which may hinder the sinterability of the paste.
- the inorganic compound particles if the coefficient of thermal expansion is smaller than that of aluminum and the melting temperature, softening temperature, and decomposition temperature are higher / lower than the melting point of aluminum, the inorganic compound powder is used! /. Misaligned materials can also be suitably used.
- the average particle size of the inorganic compound particles is 10 ⁇ m or less, preferably 5 ⁇ m or less.
- organic compound particles examples include polyethylene, polypropylene, acrylic resin, and epoxy resin.
- the average particle size of the organic compound particles is 10 ⁇ m or less, preferably 5 ⁇ m or less.
- any material may be used as long as it is a fine powder having an average particle diameter of 1 ⁇ m or less, preferably 0.5 ⁇ m or less, such as carbon black, in addition to carbon black and the like. Can be used more suitably.
- the aluminum powder has a mean particle size of 0.5 to: LO / zm in a spherical shape, from the viewpoint of ensuring reactivity with the p-type silicon semiconductor substrate, coating property, and uniformity of the coating film, or Near sphere
- a powder composed of particles having a V-shaped shape was used.
- the adhesion between the fired aluminum electrode layer on which the aluminum electrode layer was formed and the p-type silicon semiconductor substrate was evaluated by a peel test using cellophane tape as follows.
- the appearance of the fired aluminum electrode layer on which the aluminum electrode layer was formed was visually evaluated as follows.
- ⁇ No bubbles or cracks
- ⁇ Some bubbles or cracks
- X Significant bubbles or cracks.
- the surface resistance of the aluminum electrode layer was measured with a 4-terminal surface resistance measuring device (RG-5 type sheet resistance measuring device manufactured by Kepson).
- the measurement conditions were a voltage of 4 mV, a current of 100 mA, and a load applied to the surface of 2 OOgrf (l. 96N). The measured value is shown in the electrode layer surface resistance ( ⁇ Higuchi).
- the aluminum electrode layer 8 was dissolved and removed by immersing the ⁇ -type silicon semiconductor substrate on which the aluminum electrode layer was formed in an aqueous hydrochloric acid solution, and then the ⁇ -type layer 7 was formed as an index of the BSF effect.
- the surface resistance of the silicon semiconductor substrate 1 was measured with a 4-terminal surface resistance measuring instrument. The measured value is shown in ⁇ + layer surface resistance ( ⁇ ⁇ ).
- Example 8 2 ⁇ ⁇ 0.5 Example 8 ⁇ 5 ⁇ One ⁇ 4. 9 23.1 ⁇ ⁇ 0.6 Example 9 ⁇ 1 ⁇ 2 ⁇ 5.5 18.3 ⁇ ⁇ 0.8 Example 10 ⁇ ⁇ 14 ⁇ ⁇ 3. 7 20. 7 ⁇ ⁇ 0.6 Example 1 1- ⁇ 8 ⁇ ⁇ 5. 9 22. 4 ⁇ ⁇ 0.5 Example 1 2 ⁇ 2 ⁇ 5. 4 1 8. 9 ⁇ ⁇ 0.7 Example 1 3 ⁇ 2 2-6. 3 23. 7 ⁇ ⁇ 0.7 Example 14 1 ⁇ ⁇ ⁇ [ Carbon] 0.02 5. 0 20. 4 ⁇ ⁇ 0.8 Example 1 5 1 ⁇ ⁇ ⁇ [Carbon] 0 1 5. 0 19.
- Example 1 6 1 ⁇ ⁇ ⁇ [ Carbon] 0. 3 5. 0 22. 2 ⁇ ⁇ 0. 6 Actual Example 1 7 1 ⁇ ⁇ ⁇ [Carbon] 0.5 6. 6 22. 7 ⁇ ⁇ 0.5
- Example 18 1 ⁇ ⁇ ⁇ [Silicon oxide] 3 7. 2 1 6. 9 ⁇ ⁇ 0.8
- Example 19 1 1 ⁇ ⁇ [Silicon oxide] 8 6. 7 1 9. 2 ⁇ ⁇ 0. 7
- the paste composition of the present invention is used when a back surface aluminum electrode is formed on a p-type silicon semiconductor substrate constituting a crystalline silicon solar cell, and is a glass frit as a substance that adversely affects the environment. Even if the glass frit content is reduced as a substance that has no adverse effect on the environment, the desired BSF effect and the desired energy conversion efficiency of the solar cell can be maintained as the back electrode of the solar cell. In addition, it is possible to strengthen the bond between the aluminum electrode layer and the p-type silicon semiconductor substrate in the solar cell element.
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Life Sciences & Earth Sciences (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- Electromagnetism (AREA)
- General Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Power Engineering (AREA)
- Dispersion Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Sustainable Development (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Geochemistry & Mineralogy (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Crystallography & Structural Chemistry (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Sustainable Energy (AREA)
- Ceramic Engineering (AREA)
- Photovoltaic Devices (AREA)
- Conductive Materials (AREA)
Abstract
Description
Claims
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US11/587,153 US7938988B2 (en) | 2004-07-01 | 2005-06-23 | Paste composition and solar cell element using the same |
EP05752905.9A EP1739690B1 (en) | 2004-07-01 | 2005-06-23 | Paste composition and solar cell element employing same |
JP2006528575A JP4802097B2 (ja) | 2004-07-01 | 2005-06-23 | ペースト組成物およびそれを用いた太陽電池素子 |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2004-195469 | 2004-07-01 | ||
JP2004195469 | 2004-07-01 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2006003830A1 true WO2006003830A1 (ja) | 2006-01-12 |
Family
ID=35782641
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2005/011511 WO2006003830A1 (ja) | 2004-07-01 | 2005-06-23 | ペースト組成物およびそれを用いた太陽電池素子 |
Country Status (7)
Country | Link |
---|---|
US (1) | US7938988B2 (ja) |
EP (1) | EP1739690B1 (ja) |
JP (1) | JP4802097B2 (ja) |
KR (1) | KR100825880B1 (ja) |
CN (1) | CN100538915C (ja) |
TW (1) | TWI258223B (ja) |
WO (1) | WO2006003830A1 (ja) |
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2007234884A (ja) * | 2006-03-01 | 2007-09-13 | Mitsubishi Electric Corp | 太陽電池及びその製造方法 |
JP2008160018A (ja) * | 2006-12-26 | 2008-07-10 | Toyo Aluminium Kk | ペースト組成物およびそれを用いた太陽電池素子 |
CN102324266A (zh) * | 2011-08-18 | 2012-01-18 | 江苏泓源光电科技有限公司 | 无玻璃粉晶体硅太阳能电池铝浆及其制备方法 |
US20120067417A1 (en) * | 2006-04-25 | 2012-03-22 | Namics Corporation | Solar cell and method for manufacturing the same |
JP5014350B2 (ja) * | 2006-09-28 | 2012-08-29 | 京セラ株式会社 | 太陽電池素子およびその製造方法 |
KR101194064B1 (ko) * | 2009-06-08 | 2012-10-24 | 제일모직주식회사 | 에칭 및 도핑 기능을 가지는 페이스트 조성물 |
JP2012226830A (ja) * | 2011-04-14 | 2012-11-15 | Sony Corp | 色素増感太陽電池および色素増感太陽電池の製造方法 |
Families Citing this family (43)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7494607B2 (en) * | 2005-04-14 | 2009-02-24 | E.I. Du Pont De Nemours And Company | Electroconductive thick film composition(s), electrode(s), and semiconductor device(s) formed therefrom |
JP4697194B2 (ja) * | 2006-10-13 | 2011-06-08 | 日立化成工業株式会社 | 太陽電池セルの接続方法及び太陽電池モジュール |
DE102007012277A1 (de) * | 2007-03-08 | 2008-09-11 | Gebr. Schmid Gmbh & Co. | Verfahren zur Herstellung einer Solarzelle sowie damit hergestellte Solarzelle |
EP2149155B9 (en) * | 2007-05-07 | 2012-04-25 | Georgia Tech Research Corporation | Formation of high quality back contact with screen-printed local back surface field |
JP2008306023A (ja) * | 2007-06-08 | 2008-12-18 | Toyo Aluminium Kk | ペースト組成物と太陽電池素子 |
GB2451497A (en) * | 2007-07-31 | 2009-02-04 | Renewable Energy Corp Asa | Contact for solar cell |
WO2009061984A2 (en) * | 2007-11-09 | 2009-05-14 | Technic, Inc. | Method of metallizing solar cell conductors by electroplating with minimal attack on underlying materials of construction |
JPWO2009063841A1 (ja) * | 2007-11-15 | 2011-03-31 | 日立化成工業株式会社 | 太陽電池セル |
JP2009129600A (ja) * | 2007-11-21 | 2009-06-11 | Toyo Aluminium Kk | ペースト組成物と太陽電池素子 |
US7833808B2 (en) * | 2008-03-24 | 2010-11-16 | Palo Alto Research Center Incorporated | Methods for forming multiple-layer electrode structures for silicon photovoltaic cells |
JP2009290105A (ja) * | 2008-05-30 | 2009-12-10 | Sharp Corp | 太陽電池、太陽電池の製造方法および太陽電池モジュール |
CN102341866A (zh) * | 2009-03-06 | 2012-02-01 | 东洋铝株式会社 | 导电糊组合物和使用该导电糊组合物形成的导电膜 |
CN102460602B (zh) * | 2009-04-07 | 2015-05-06 | Lg伊诺特有限公司 | 浆料和采用该浆料的太阳能电池 |
US20100294353A1 (en) * | 2009-05-21 | 2010-11-25 | E. I. Du Pont De Nemours And Company | Conductive paste for solar cell electrode |
KR20110025614A (ko) * | 2009-09-04 | 2011-03-10 | 동우 화인켐 주식회사 | 태양전지의 후면 전극용 알루미늄 페이스트 |
DE102009044038A1 (de) | 2009-09-17 | 2011-03-31 | Schott Solar Ag | Verfahren zur Herstellung eines Kontaktbereichs eines elektronischen Bauteils |
TWI404780B (zh) * | 2009-10-13 | 2013-08-11 | Lg Chemical Ltd | 銀糊料組成物及使用該組成物之太陽能電池 |
US20110180139A1 (en) * | 2010-01-25 | 2011-07-28 | Hitachi Chemical Company, Ltd. | Paste composition for electrode and photovoltaic cell |
US20110180137A1 (en) * | 2010-01-25 | 2011-07-28 | Hitachi Chemical Company, Ltd. | Paste composition for electrode and photovoltaic cell |
US9390829B2 (en) | 2010-01-25 | 2016-07-12 | Hitachi Chemical Company, Ltd. | Paste composition for electrode and photovoltaic cell |
US20110180138A1 (en) * | 2010-01-25 | 2011-07-28 | Hitachi Chemical Company, Ltd. | Paste composition for electrode and photovoltaic cell |
CN102142467B (zh) * | 2010-01-29 | 2013-07-03 | 比亚迪股份有限公司 | 一种太阳电池背电场铝浆及其制备方法 |
FR2959870B1 (fr) * | 2010-05-06 | 2012-05-18 | Commissariat Energie Atomique | Cellule photovoltaique comportant une zone suspendue par un motif conducteur et procede de realisation. |
CN101882636B (zh) * | 2010-05-12 | 2011-10-19 | 中国科学院半导体研究所 | 背光面为广谱吸收层的硅基太阳能电池结构及其制作方法 |
KR101181190B1 (ko) * | 2010-07-30 | 2012-09-18 | 엘지이노텍 주식회사 | 태양 전지 및 이의 후면 전극용 페이스트 조성물 |
DE102010037319B4 (de) * | 2010-09-03 | 2013-11-14 | Hanwha Q.CELLS GmbH | Solarzelle mit verbesserter Rückseitenmetallisierungsschicht |
US20120152343A1 (en) * | 2010-12-16 | 2012-06-21 | E. I. Du Pont De Nemours And Company | Aluminum paste compositions comprising siloxanes and their use in manufacturing solar cells |
US8778231B2 (en) | 2010-12-16 | 2014-07-15 | E I Du Pont De Nemours And Company | Aluminum pastes comprising boron nitride and their use in manufacturing solar cells |
US9224517B2 (en) | 2011-04-07 | 2015-12-29 | Hitachi Chemical Company, Ltd. | Paste composition for electrode and photovoltaic cell |
US9337363B2 (en) | 2011-05-11 | 2016-05-10 | International Business Machines Corporation | Low resistance, low reflection, and low cost contact grids for photovoltaic cells |
CN102243901B (zh) * | 2011-06-28 | 2013-07-17 | 陈晓东 | 不含无机粘接剂硅太阳能电池铝背场用浆料及其制备方法 |
US9076919B2 (en) * | 2011-11-04 | 2015-07-07 | E I Du Pont De Nemours And Company | Process of forming an aluminum p-doped surface region of a semiconductor substrate |
US8927428B2 (en) | 2011-11-04 | 2015-01-06 | E I Du Pont De Nemours And Company | Process of forming an aluminum p-doped surface region of an n-doped semiconductor substrate |
DE102011086302A1 (de) * | 2011-11-14 | 2013-05-16 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Verfahren zur Herstellung einer metallischen Kontaktierungsstruktur auf einer Oberfläche einer Halbleiterstruktur und photovoltaische Solarzelle |
KR101350706B1 (ko) | 2011-11-24 | 2014-01-17 | 한국화학연구원 | 졸―겔 공정을 이용한 나노사이즈 글래스 프릿의 제조 방법 및 이를 포함하는 태양전지 전극 형성 방법 |
JP5134722B1 (ja) * | 2011-12-02 | 2013-01-30 | 株式会社ノリタケカンパニーリミテド | 太陽電池とこれに用いるペースト材料 |
CN103426496A (zh) * | 2012-05-25 | 2013-12-04 | 比亚迪股份有限公司 | 太阳能电池用铝背场浆料及其制备方法、太阳能电池片的制备方法以及太阳能电池片 |
TWI608007B (zh) * | 2012-07-19 | 2017-12-11 | 日立化成股份有限公司 | 太陽電池用鈍化層形成用組成物、帶有太陽電池用鈍化層的半導體基板、帶有太陽電池用鈍化層的半導體基板的製造方法、太陽電池元件、太陽電池元件的製造方法、太陽電池以及用途 |
JP6202939B2 (ja) * | 2013-08-23 | 2017-09-27 | 東洋アルミニウム株式会社 | ペースト組成物と太陽電池素子 |
JP2015170548A (ja) * | 2014-03-10 | 2015-09-28 | 東京応化工業株式会社 | 電極形成用ペースト組成物並びにこれを用いた電極の製造方法及び太陽電池 |
US20190135681A1 (en) * | 2016-04-06 | 2019-05-09 | Ceramicoat International Limited | Sprayable alumino-silicate coatings, resins, their compositions and products |
US11565973B2 (en) | 2016-04-06 | 2023-01-31 | Ceramicoat International Limited | Sprayable silicate-based coatings and methods for making and applying same |
CN110289121B (zh) * | 2019-06-19 | 2021-10-26 | 南通天盛新能源股份有限公司 | 一种用于perc太阳能电池背面的合金铝浆 |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2000090734A (ja) * | 1998-09-16 | 2000-03-31 | Murata Mfg Co Ltd | 導電性ペースト及びそれを用いた太陽電池 |
JP2003069056A (ja) * | 2001-08-22 | 2003-03-07 | Toyo Aluminium Kk | ペースト組成物およびそれを用いた太陽電池 |
JP2004134775A (ja) * | 2002-09-19 | 2004-04-30 | Murata Mfg Co Ltd | 導電性ペースト |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5413689A (en) * | 1992-06-12 | 1995-05-09 | Moltech Invent S.A. | Carbon containing body or mass useful as cell component |
JP3510761B2 (ja) * | 1997-03-26 | 2004-03-29 | 太陽インキ製造株式会社 | アルカリ現像型光硬化性導電性ペースト組成物及びそれを用いて電極形成したプラズマディスプレイパネル |
TW434577B (en) * | 1998-06-18 | 2001-05-16 | Futaba Denshi Kogyo Kk | Aluminum paste for fluorescent display device, fluorescent display device using aluminum paste and method for manufacturing the same |
DE19910816A1 (de) * | 1999-03-11 | 2000-10-05 | Merck Patent Gmbh | Dotierpasten zur Erzeugung von p,p+ und n,n+ Bereichen in Halbleitern |
CN1316509C (zh) * | 2001-09-06 | 2007-05-16 | 诺利塔克股份有限公司 | 导体组合物及其制造方法 |
JP3910072B2 (ja) * | 2002-01-30 | 2007-04-25 | 東洋アルミニウム株式会社 | ペースト組成物およびそれを用いた太陽電池 |
-
2005
- 2005-06-23 CN CNB200580018625XA patent/CN100538915C/zh not_active Expired - Fee Related
- 2005-06-23 EP EP05752905.9A patent/EP1739690B1/en not_active Ceased
- 2005-06-23 JP JP2006528575A patent/JP4802097B2/ja not_active Expired - Fee Related
- 2005-06-23 KR KR1020077001755A patent/KR100825880B1/ko active IP Right Grant
- 2005-06-23 US US11/587,153 patent/US7938988B2/en active Active
- 2005-06-23 WO PCT/JP2005/011511 patent/WO2006003830A1/ja active Application Filing
- 2005-06-30 TW TW094122058A patent/TWI258223B/zh not_active IP Right Cessation
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2000090734A (ja) * | 1998-09-16 | 2000-03-31 | Murata Mfg Co Ltd | 導電性ペースト及びそれを用いた太陽電池 |
JP2003069056A (ja) * | 2001-08-22 | 2003-03-07 | Toyo Aluminium Kk | ペースト組成物およびそれを用いた太陽電池 |
JP2004134775A (ja) * | 2002-09-19 | 2004-04-30 | Murata Mfg Co Ltd | 導電性ペースト |
Non-Patent Citations (1)
Title |
---|
See also references of EP1739690A4 * |
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2007234884A (ja) * | 2006-03-01 | 2007-09-13 | Mitsubishi Electric Corp | 太陽電池及びその製造方法 |
US20120067417A1 (en) * | 2006-04-25 | 2012-03-22 | Namics Corporation | Solar cell and method for manufacturing the same |
JP5014350B2 (ja) * | 2006-09-28 | 2012-08-29 | 京セラ株式会社 | 太陽電池素子およびその製造方法 |
JP2008160018A (ja) * | 2006-12-26 | 2008-07-10 | Toyo Aluminium Kk | ペースト組成物およびそれを用いた太陽電池素子 |
KR101194064B1 (ko) * | 2009-06-08 | 2012-10-24 | 제일모직주식회사 | 에칭 및 도핑 기능을 가지는 페이스트 조성물 |
JP2012226830A (ja) * | 2011-04-14 | 2012-11-15 | Sony Corp | 色素増感太陽電池および色素増感太陽電池の製造方法 |
CN102324266A (zh) * | 2011-08-18 | 2012-01-18 | 江苏泓源光电科技有限公司 | 无玻璃粉晶体硅太阳能电池铝浆及其制备方法 |
Also Published As
Publication number | Publication date |
---|---|
JP4802097B2 (ja) | 2011-10-26 |
US20070221270A1 (en) | 2007-09-27 |
TW200608589A (en) | 2006-03-01 |
KR100825880B1 (ko) | 2008-04-28 |
KR20070028579A (ko) | 2007-03-12 |
US7938988B2 (en) | 2011-05-10 |
EP1739690A1 (en) | 2007-01-03 |
CN1981346A (zh) | 2007-06-13 |
TWI258223B (en) | 2006-07-11 |
JPWO2006003830A1 (ja) | 2008-07-31 |
EP1739690A4 (en) | 2009-05-27 |
EP1739690B1 (en) | 2015-04-01 |
CN100538915C (zh) | 2009-09-09 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
WO2006003830A1 (ja) | ペースト組成物およびそれを用いた太陽電池素子 | |
JP3910072B2 (ja) | ペースト組成物およびそれを用いた太陽電池 | |
KR102524339B1 (ko) | Perc형 태양전지용 알루미늄 페이스트 조성물 | |
KR101203460B1 (ko) | 알루미늄 페이스트 조성물 및 그것을 이용한 태양 전지소자 | |
KR101031060B1 (ko) | 페이스트 조성물 및 그것을 이용한 태양 전지 소자 | |
EP1873790B1 (en) | Paste composition, electrode and solar cell device comprising same | |
TWI759447B (zh) | 太陽電池用膏狀組成物 | |
US20080302411A1 (en) | Paste Composition and Solar Cell Element Using the Same | |
WO2018135430A1 (ja) | 太陽電池用ペースト組成物 | |
JP6896506B2 (ja) | 太陽電池用ペースト組成物 | |
JP7013458B2 (ja) | 太陽電池用ペースト組成物 | |
JP6825948B2 (ja) | 太陽電池用ペースト組成物 | |
WO2013080750A1 (ja) | 太陽電池とこれに用いるペースト材料 | |
JP2005317898A (ja) | ペースト組成物およびそれを用いた太陽電池素子 | |
TW201230064A (en) | Aluminum paste composition and solar cell device using the same | |
WO2007004281A1 (ja) | ペースト組成物およびそれを用いた太陽電池素子 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
AK | Designated states |
Kind code of ref document: A1 Designated state(s): AE AG AL AM AT AU AZ BA BB BG BR BW BY BZ CA CH CN CO CR CU CZ DE DK DM DZ EC EE EG ES FI GB GD GE GH GM HR HU ID IL IN IS JP KE KG KM KP KR KZ LC LK LR LS LT LU LV MA MD MG MK MN MW MX MZ NA NG NI NO NZ OM PG PH PL PT RO RU SC SD SE SG SK SL SM SY TJ TM TN TR TT TZ UA UG US UZ VC VN YU ZA ZM ZW |
|
AL | Designated countries for regional patents |
Kind code of ref document: A1 Designated state(s): BW GH GM KE LS MW MZ NA SD SL SZ TZ UG ZM ZW AM AZ BY KG KZ MD RU TJ TM AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LT LU MC NL PL PT RO SE SI SK TR BF BJ CF CG CI CM GA GN GQ GW ML MR NE SN TD TG |
|
121 | Ep: the epo has been informed by wipo that ep was designated in this application | ||
DPEN | Request for preliminary examination filed prior to expiration of 19th month from priority date (pct application filed from 20040101) | ||
WWE | Wipo information: entry into national phase |
Ref document number: 2006528575 Country of ref document: JP |
|
WWE | Wipo information: entry into national phase |
Ref document number: 2005752905 Country of ref document: EP |
|
WWE | Wipo information: entry into national phase |
Ref document number: 11587153 Country of ref document: US Ref document number: 2007221270 Country of ref document: US |
|
WWE | Wipo information: entry into national phase |
Ref document number: 200580018625.X Country of ref document: CN |
|
NENP | Non-entry into the national phase |
Ref country code: DE |
|
WWP | Wipo information: published in national office |
Ref document number: 2005752905 Country of ref document: EP |
|
WWW | Wipo information: withdrawn in national office |
Country of ref document: DE |
|
WWE | Wipo information: entry into national phase |
Ref document number: 1020077001755 Country of ref document: KR |
|
WWP | Wipo information: published in national office |
Ref document number: 1020077001755 Country of ref document: KR |
|
WWP | Wipo information: published in national office |
Ref document number: 11587153 Country of ref document: US |