CN107924836A - 一种单晶硅片表面织构化的方法 - Google Patents
一种单晶硅片表面织构化的方法 Download PDFInfo
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- CN107924836A CN107924836A CN201680003137.XA CN201680003137A CN107924836A CN 107924836 A CN107924836 A CN 107924836A CN 201680003137 A CN201680003137 A CN 201680003137A CN 107924836 A CN107924836 A CN 107924836A
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- monocrystalline silicon
- mixed solution
- sheet surface
- metal
- minutes
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- 229910021421 monocrystalline silicon Inorganic materials 0.000 title claims abstract description 120
- 238000000034 method Methods 0.000 title claims abstract description 62
- 239000011259 mixed solution Substances 0.000 claims abstract description 82
- KRHYYFGTRYWZRS-UHFFFAOYSA-N Fluorane Chemical compound F KRHYYFGTRYWZRS-UHFFFAOYSA-N 0.000 claims abstract description 74
- 239000002270 dispersing agent Substances 0.000 claims abstract description 40
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 38
- 239000007800 oxidant agent Substances 0.000 claims abstract description 31
- 230000001590 oxidative effect Effects 0.000 claims abstract description 31
- 229910052751 metal Inorganic materials 0.000 claims abstract description 23
- 239000002184 metal Substances 0.000 claims abstract description 23
- 229910044991 metal oxide Inorganic materials 0.000 claims abstract description 22
- 150000004706 metal oxides Chemical class 0.000 claims abstract description 22
- 238000012545 processing Methods 0.000 claims abstract description 20
- 238000005530 etching Methods 0.000 claims abstract description 18
- 229910021645 metal ion Inorganic materials 0.000 claims abstract description 12
- 238000001465 metallisation Methods 0.000 claims abstract description 11
- 125000000129 anionic group Chemical group 0.000 claims abstract description 10
- 238000004140 cleaning Methods 0.000 claims abstract description 10
- 239000002736 nonionic surfactant Substances 0.000 claims abstract description 9
- MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical group OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 claims description 72
- HEMHJVSKTPXQMS-UHFFFAOYSA-M sodium hydroxide Inorganic materials [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims description 41
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 claims description 27
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 20
- 235000011121 sodium hydroxide Nutrition 0.000 claims description 19
- 239000000243 solution Substances 0.000 claims description 15
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 claims description 12
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims description 10
- -1 alkyl sulfo succinate Chemical compound 0.000 claims description 10
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 claims description 9
- 239000003795 chemical substances by application Substances 0.000 claims description 9
- 229910017604 nitric acid Inorganic materials 0.000 claims description 9
- VHUUQVKOLVNVRT-UHFFFAOYSA-N Ammonium hydroxide Chemical compound [NH4+].[OH-] VHUUQVKOLVNVRT-UHFFFAOYSA-N 0.000 claims description 8
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 claims description 8
- 239000000908 ammonium hydroxide Substances 0.000 claims description 8
- 239000004721 Polyphenylene oxide Substances 0.000 claims description 6
- KWYUFKZDYYNOTN-UHFFFAOYSA-M Potassium hydroxide Chemical compound [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 claims description 6
- 239000003518 caustics Substances 0.000 claims description 6
- 229920000570 polyether Polymers 0.000 claims description 6
- 229910000029 sodium carbonate Inorganic materials 0.000 claims description 6
- 235000017550 sodium carbonate Nutrition 0.000 claims description 6
- WGTYBPLFGIVFAS-UHFFFAOYSA-M tetramethylammonium hydroxide Chemical compound [OH-].C[N+](C)(C)C WGTYBPLFGIVFAS-UHFFFAOYSA-M 0.000 claims description 6
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 5
- 239000003513 alkali Substances 0.000 claims description 5
- 229910052802 copper Inorganic materials 0.000 claims description 5
- 239000010949 copper Substances 0.000 claims description 5
- 235000014113 dietary fatty acids Nutrition 0.000 claims description 5
- 239000000194 fatty acid Substances 0.000 claims description 5
- 229930195729 fatty acid Natural products 0.000 claims description 5
- 229910052709 silver Inorganic materials 0.000 claims description 5
- 239000011734 sodium Substances 0.000 claims description 5
- 229910052708 sodium Inorganic materials 0.000 claims description 5
- 235000015424 sodium Nutrition 0.000 claims description 5
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 4
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 claims description 4
- PMZURENOXWZQFD-UHFFFAOYSA-L Sodium Sulfate Chemical compound [Na+].[Na+].[O-]S([O-])(=O)=O PMZURENOXWZQFD-UHFFFAOYSA-L 0.000 claims description 4
- UIIMBOGNXHQVGW-UHFFFAOYSA-M Sodium bicarbonate Chemical compound [Na+].OC([O-])=O UIIMBOGNXHQVGW-UHFFFAOYSA-M 0.000 claims description 4
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 claims description 4
- 229920005551 calcium lignosulfonate Polymers 0.000 claims description 4
- RYAGRZNBULDMBW-UHFFFAOYSA-L calcium;3-(2-hydroxy-3-methoxyphenyl)-2-[2-methoxy-4-(3-sulfonatopropyl)phenoxy]propane-1-sulfonate Chemical compound [Ca+2].COC1=CC=CC(CC(CS([O-])(=O)=O)OC=2C(=CC(CCCS([O-])(=O)=O)=CC=2)OC)=C1O RYAGRZNBULDMBW-UHFFFAOYSA-L 0.000 claims description 4
- 150000004665 fatty acids Chemical class 0.000 claims description 4
- 229910052737 gold Inorganic materials 0.000 claims description 4
- 239000010931 gold Substances 0.000 claims description 4
- 239000001257 hydrogen Substances 0.000 claims description 4
- 229910052739 hydrogen Inorganic materials 0.000 claims description 4
- 238000005984 hydrogenation reaction Methods 0.000 claims description 4
- 239000004332 silver Substances 0.000 claims description 4
- DNIAPMSPPWPWGF-GSVOUGTGSA-N (R)-(-)-Propylene glycol Chemical compound C[C@@H](O)CO DNIAPMSPPWPWGF-GSVOUGTGSA-N 0.000 claims description 3
- IXPNQXFRVYWDDI-UHFFFAOYSA-N 1-methyl-2,4-dioxo-1,3-diazinane-5-carboximidamide Chemical compound CN1CC(C(N)=N)C(=O)NC1=O IXPNQXFRVYWDDI-UHFFFAOYSA-N 0.000 claims description 3
- 229910002651 NO3 Inorganic materials 0.000 claims description 3
- NHNBFGGVMKEFGY-UHFFFAOYSA-N Nitrate Chemical compound [O-][N+]([O-])=O NHNBFGGVMKEFGY-UHFFFAOYSA-N 0.000 claims description 3
- 229920002472 Starch Polymers 0.000 claims description 3
- 229910052782 aluminium Inorganic materials 0.000 claims description 3
- NVVZQXQBYZPMLJ-UHFFFAOYSA-N formaldehyde;naphthalene-1-sulfonic acid Chemical compound O=C.C1=CC=C2C(S(=O)(=O)O)=CC=CC2=C1 NVVZQXQBYZPMLJ-UHFFFAOYSA-N 0.000 claims description 3
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 claims description 3
- 229910052742 iron Inorganic materials 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 claims description 3
- PSZYNBSKGUBXEH-UHFFFAOYSA-M naphthalene-1-sulfonate Chemical compound C1=CC=C2C(S(=O)(=O)[O-])=CC=CC2=C1 PSZYNBSKGUBXEH-UHFFFAOYSA-M 0.000 claims description 3
- 229910052759 nickel Inorganic materials 0.000 claims description 3
- 229910052697 platinum Inorganic materials 0.000 claims description 3
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Substances [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 claims description 3
- 229920005646 polycarboxylate Polymers 0.000 claims description 3
- 239000001267 polyvinylpyrrolidone Substances 0.000 claims description 3
- 235000013855 polyvinylpyrrolidone Nutrition 0.000 claims description 3
- 229920000036 polyvinylpyrrolidone Polymers 0.000 claims description 3
- 235000010413 sodium alginate Nutrition 0.000 claims description 3
- 239000000661 sodium alginate Substances 0.000 claims description 3
- 229940005550 sodium alginate Drugs 0.000 claims description 3
- 235000019698 starch Nutrition 0.000 claims description 3
- 239000008107 starch Substances 0.000 claims description 3
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims description 2
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 claims description 2
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 claims description 2
- 239000004411 aluminium Substances 0.000 claims description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 2
- BFNBIHQBYMNNAN-UHFFFAOYSA-N ammonium sulfate Chemical compound N.N.OS(O)(=O)=O BFNBIHQBYMNNAN-UHFFFAOYSA-N 0.000 claims description 2
- 229910052921 ammonium sulfate Inorganic materials 0.000 claims description 2
- 235000011130 ammonium sulphate Nutrition 0.000 claims description 2
- 239000004202 carbamide Substances 0.000 claims description 2
- 235000013877 carbamide Nutrition 0.000 claims description 2
- 150000002431 hydrogen Chemical class 0.000 claims description 2
- 235000017557 sodium bicarbonate Nutrition 0.000 claims description 2
- 229910000030 sodium bicarbonate Inorganic materials 0.000 claims description 2
- 239000011780 sodium chloride Substances 0.000 claims description 2
- 235000002639 sodium chloride Nutrition 0.000 claims description 2
- 229910052938 sodium sulfate Inorganic materials 0.000 claims description 2
- 235000011152 sodium sulphate Nutrition 0.000 claims description 2
- 238000000151 deposition Methods 0.000 abstract description 6
- 230000008021 deposition Effects 0.000 abstract description 4
- 239000002923 metal particle Substances 0.000 abstract description 4
- 239000007884 disintegrant Substances 0.000 abstract 2
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 14
- 235000019441 ethanol Nutrition 0.000 description 14
- 238000005406 washing Methods 0.000 description 14
- 229910052710 silicon Inorganic materials 0.000 description 13
- 239000010703 silicon Substances 0.000 description 13
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 9
- 239000002253 acid Substances 0.000 description 9
- 238000006243 chemical reaction Methods 0.000 description 9
- 230000008569 process Effects 0.000 description 9
- 239000007864 aqueous solution Substances 0.000 description 7
- KFZMGEQAYNKOFK-UHFFFAOYSA-N Isopropanol Chemical compound CC(C)O KFZMGEQAYNKOFK-UHFFFAOYSA-N 0.000 description 6
- LRHPLDYGYMQRHN-UHFFFAOYSA-N N-Butanol Chemical compound CCCCO LRHPLDYGYMQRHN-UHFFFAOYSA-N 0.000 description 6
- FOIXSVOLVBLSDH-UHFFFAOYSA-N Silver ion Chemical compound [Ag+] FOIXSVOLVBLSDH-UHFFFAOYSA-N 0.000 description 6
- 150000001408 amides Chemical class 0.000 description 6
- 239000013078 crystal Substances 0.000 description 6
- 238000005520 cutting process Methods 0.000 description 6
- 229920000056 polyoxyethylene ether Polymers 0.000 description 6
- 229940051841 polyoxyethylene ether Drugs 0.000 description 6
- 238000002310 reflectometry Methods 0.000 description 6
- SQGYOTSLMSWVJD-UHFFFAOYSA-N silver(1+) nitrate Chemical compound [Ag+].[O-]N(=O)=O SQGYOTSLMSWVJD-UHFFFAOYSA-N 0.000 description 6
- 229910021419 crystalline silicon Inorganic materials 0.000 description 5
- 239000013528 metallic particle Substances 0.000 description 5
- 229910001453 nickel ion Inorganic materials 0.000 description 5
- 150000002191 fatty alcohols Chemical class 0.000 description 4
- 235000008216 herbs Nutrition 0.000 description 4
- 210000002268 wool Anatomy 0.000 description 4
- 238000006555 catalytic reaction Methods 0.000 description 3
- 230000007797 corrosion Effects 0.000 description 3
- 238000005260 corrosion Methods 0.000 description 3
- 229910003460 diamond Inorganic materials 0.000 description 3
- 239000010432 diamond Substances 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 239000012535 impurity Substances 0.000 description 3
- KBJMLQFLOWQJNF-UHFFFAOYSA-N nickel(ii) nitrate Chemical compound [Ni+2].[O-][N+]([O-])=O.[O-][N+]([O-])=O KBJMLQFLOWQJNF-UHFFFAOYSA-N 0.000 description 3
- 239000011148 porous material Substances 0.000 description 3
- 229910001961 silver nitrate Inorganic materials 0.000 description 3
- LRWZZZWJMFNZIK-UHFFFAOYSA-N 2-chloro-3-methyloxirane Chemical compound CC1OC1Cl LRWZZZWJMFNZIK-UHFFFAOYSA-N 0.000 description 2
- DUIOKRXOKLLURE-UHFFFAOYSA-N 2-octylphenol Chemical compound CCCCCCCCC1=CC=CC=C1O DUIOKRXOKLLURE-UHFFFAOYSA-N 0.000 description 2
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 2
- IAYPIBMASNFSPL-UHFFFAOYSA-N Ethylene oxide Chemical compound C1CO1 IAYPIBMASNFSPL-UHFFFAOYSA-N 0.000 description 2
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 2
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 2
- UFWIBTONFRDIAS-UHFFFAOYSA-N Naphthalene Chemical compound C1=CC=CC2=CC=CC=C21 UFWIBTONFRDIAS-UHFFFAOYSA-N 0.000 description 2
- IGFHQQFPSIBGKE-UHFFFAOYSA-N Nonylphenol Natural products CCCCCCCCCC1=CC=C(O)C=C1 IGFHQQFPSIBGKE-UHFFFAOYSA-N 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 2
- 230000003197 catalytic effect Effects 0.000 description 2
- 239000012153 distilled water Substances 0.000 description 2
- 239000003814 drug Substances 0.000 description 2
- 238000001035 drying Methods 0.000 description 2
- 238000009472 formulation Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- SNQQPOLDUKLAAF-UHFFFAOYSA-N nonylphenol Chemical compound CCCCCCCCCC1=CC=CC=C1O SNQQPOLDUKLAAF-UHFFFAOYSA-N 0.000 description 2
- 239000003921 oil Substances 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 230000035484 reaction time Effects 0.000 description 2
- WQQPDTLGLVLNOH-UHFFFAOYSA-M sodium;4-hydroxy-4-oxo-3-sulfobutanoate Chemical compound [Na+].OC(=O)CC(C([O-])=O)S(O)(=O)=O WQQPDTLGLVLNOH-UHFFFAOYSA-M 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 229910052717 sulfur Inorganic materials 0.000 description 2
- 239000011593 sulfur Substances 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- DCXXMTOCNZCJGO-UHFFFAOYSA-N tristearoylglycerol Chemical compound CCCCCCCCCCCCCCCCCC(=O)OCC(OC(=O)CCCCCCCCCCCCCCCCC)COC(=O)CCCCCCCCCCCCCCCCC DCXXMTOCNZCJGO-UHFFFAOYSA-N 0.000 description 2
- CDOUZKKFHVEKRI-UHFFFAOYSA-N 3-bromo-n-[(prop-2-enoylamino)methyl]propanamide Chemical class BrCCC(=O)NCNC(=O)C=C CDOUZKKFHVEKRI-UHFFFAOYSA-N 0.000 description 1
- JPVYNHNXODAKFH-UHFFFAOYSA-N Cu2+ Chemical compound [Cu+2] JPVYNHNXODAKFH-UHFFFAOYSA-N 0.000 description 1
- 240000002943 Elettaria cardamomum Species 0.000 description 1
- 244000147568 Laurus nobilis Species 0.000 description 1
- 235000017858 Laurus nobilis Nutrition 0.000 description 1
- WHNWPMSKXPGLAX-UHFFFAOYSA-N N-Vinyl-2-pyrrolidone Chemical compound C=CN1CCCC1=O WHNWPMSKXPGLAX-UHFFFAOYSA-N 0.000 description 1
- ISWSIDIOOBJBQZ-UHFFFAOYSA-N Phenol Chemical compound OC1=CC=CC=C1 ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 description 1
- 235000005212 Terminalia tomentosa Nutrition 0.000 description 1
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 1
- ZOTCTPKIUULQAS-UHFFFAOYSA-L [Na+].C(CCC(=O)[O-])(=O)[O-].C(CCCCCCCCCCCCCCC)O.[Na+] Chemical compound [Na+].C(CCC(=O)[O-])(=O)[O-].C(CCCCCCCCCCCCCCC)O.[Na+] ZOTCTPKIUULQAS-UHFFFAOYSA-L 0.000 description 1
- 125000000217 alkyl group Chemical group 0.000 description 1
- 229910021529 ammonia Inorganic materials 0.000 description 1
- 239000003945 anionic surfactant Substances 0.000 description 1
- 239000003125 aqueous solvent Substances 0.000 description 1
- 125000003118 aryl group Chemical group 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 235000005300 cardamomo Nutrition 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 230000000536 complexating effect Effects 0.000 description 1
- 238000007334 copolymerization reaction Methods 0.000 description 1
- 229910001431 copper ion Inorganic materials 0.000 description 1
- XTVVROIMIGLXTD-UHFFFAOYSA-N copper(II) nitrate Chemical compound [Cu+2].[O-][N+]([O-])=O.[O-][N+]([O-])=O XTVVROIMIGLXTD-UHFFFAOYSA-N 0.000 description 1
- 229960000913 crospovidone Drugs 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 239000008367 deionised water Substances 0.000 description 1
- 229910021641 deionized water Inorganic materials 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000005496 eutectics Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 238000011031 large-scale manufacturing process Methods 0.000 description 1
- 230000031700 light absorption Effects 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- FPYJFEHAWHCUMM-UHFFFAOYSA-N maleic anhydride Chemical compound O=C1OC(=O)C=C1 FPYJFEHAWHCUMM-UHFFFAOYSA-N 0.000 description 1
- 238000001579 optical reflectometry Methods 0.000 description 1
- 239000005416 organic matter Substances 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229920000191 poly(N-vinyl pyrrolidone) Polymers 0.000 description 1
- 229920001495 poly(sodium acrylate) polymer Polymers 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 235000013809 polyvinylpolypyrrolidone Nutrition 0.000 description 1
- 229920000523 polyvinylpolypyrrolidone Polymers 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 230000036632 reaction speed Effects 0.000 description 1
- 230000011514 reflex Effects 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- 235000012239 silicon dioxide Nutrition 0.000 description 1
- 239000010944 silver (metal) Substances 0.000 description 1
- 238000002791 soaking Methods 0.000 description 1
- NNMHYFLPFNGQFZ-UHFFFAOYSA-M sodium polyacrylate Chemical compound [Na+].[O-]C(=O)C=C NNMHYFLPFNGQFZ-UHFFFAOYSA-M 0.000 description 1
- 241000894007 species Species 0.000 description 1
- LSNNMFCWUKXFEE-UHFFFAOYSA-L sulfite Chemical compound [O-]S([O-])=O LSNNMFCWUKXFEE-UHFFFAOYSA-L 0.000 description 1
- BDHFUVZGWQCTTF-UHFFFAOYSA-M sulfonate Chemical compound [O-]S(=O)=O BDHFUVZGWQCTTF-UHFFFAOYSA-M 0.000 description 1
- 239000010936 titanium Substances 0.000 description 1
- 229910052719 titanium Inorganic materials 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L21/00—Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
- H01L21/02—Manufacture or treatment of semiconductor devices or of parts thereof
- H01L21/04—Manufacture or treatment of semiconductor devices or of parts thereof the devices having potential barriers, e.g. a PN junction, depletion layer or carrier concentration layer
- H01L21/18—Manufacture or treatment of semiconductor devices or of parts thereof the devices having potential barriers, e.g. a PN junction, depletion layer or carrier concentration layer the devices having semiconductor bodies comprising elements of Group IV of the Periodic Table or AIIIBV compounds with or without impurities, e.g. doping materials
- H01L21/30—Treatment of semiconductor bodies using processes or apparatus not provided for in groups H01L21/20 - H01L21/26
- H01L21/302—Treatment of semiconductor bodies using processes or apparatus not provided for in groups H01L21/20 - H01L21/26 to change their surface-physical characteristics or shape, e.g. etching, polishing, cutting
- H01L21/306—Chemical or electrical treatment, e.g. electrolytic etching
-
- 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
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Manufacturing & Machinery (AREA)
- Computer Hardware Design (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Power Engineering (AREA)
- Electromagnetism (AREA)
- Weting (AREA)
- Cleaning Or Drying Semiconductors (AREA)
Abstract
Description
Claims (23)
- 一种单晶硅片表面织构化的方法,其特征在于,包括:将单晶硅片置于混合溶液A中进行表面金属沉积和刻蚀处理,形成倒金字塔状织构;其中,所述混合溶液A包含氢氟酸、氧化剂、金属离子、分散剂及水;所述分散剂包括阴离子型分散剂、非离子表面活性剂、崩解剂及水,且基于所述分散剂的总质量,所述阴离子型分散剂的质量百分数为20-40%,非离子表面活性剂的质量百分数为8-15%,崩解剂的质量百分数为3-8%,余量为水;清洗去除单晶硅片表面残留的金属或金属氧化物。
- 如权利要求1所述的方法,其特征在于,所述阴离子型分散剂选自于木质素磺酸钙、萘磺酸盐、聚羧酸盐、萘磺酸钠甲醛缩合物、脂肪酰胺-N-甲基牛磺酸盐、烷基磺基琥珀酸盐中的一种或其组合。
- 如权利要求1所述的方法,其特征在于,所述非离子表面活性剂选自于脂肪醇聚醚及烷基酚聚醚中的一种或其组合。
- 如权利要求1所述的方法,其特征在于,所述崩解剂选自于氯化钠、硫酸钠、羧甲基淀粉钠、硫酸铵、碳酸钠、尿素、交联聚乙烯吡咯烷酮及海藻酸钠中的一种或其组合。
- 如权利要求1所述的方法,其特征在于,基于混合溶液A的总质量,氢氟酸的质量百分数为1-20%,优选为5-15%,更优选为6-10%。
- 如前述权利要求任意一项所述的方法,其特征在于,所述氧化剂为过氧化氢或臭氧。
- 如权利要求6所述的方法,其特征在于,在氧化剂为过氧化氢时,基于混合溶液A的总质量,过氧化氢的质量百分数为1-20%,优选为5-15%,更优选为6-10%;在氧化剂为臭氧时,臭氧在混合溶液A中的浓度为2-40ppm,优选为8-18ppm,更优选为10-15ppm。
- 如前述权利要求任意一项所述的方法,其特征在于,基于混合溶液A的总体积,所述金属离子的浓度为0.2-6mmol/L,优选为0.5-5mmol/L,更优选为1-3mmol/L。
- 如前述权利要求任意一项所述的方法,其特征在于,所述金属离子包括金、银、铜、铁、铝、镍及铂离子中的至少一种。
- 如前述权利要求任意一项所述的方法,其特征在于,所述金属离子由硝酸盐和/或硫酸盐提供。
- 如前述权利要求任意一项所述的方法,其特征在于,基于混合溶液A的总质量,分散剂的质量分数为5-40%,优选为10-30%,更优选为15-25%。
- 如前述权利要求任意一项所述的方法,其特征在于,混合溶液A的温度为10-95℃,优选为30-85℃,更优选为40-60℃。
- 如前述权利要求任意一项所述的方法,其特征在于,单晶硅片置于温混合溶液A中的时间为1-60分钟,优选为10-30分钟,更优选为10-15分钟。
- 如前述权利要求任意一项所述的方法,其特征在于,在将单晶硅片置于混合溶液A中进行表面金属沉积和刻蚀处理之前,还包括:将单晶硅片置于低级醇中浸泡1-30分钟。
- 如权利要求1-13中任意一项所述的方法,其特征在于,在将单晶硅片置于混合溶液A中进行表面金属沉积和刻蚀处理之前,还包括:将单晶硅片置于温度为30-85℃的碱液中1-30分钟,去除单晶硅片表面损伤层,之后用水清洗。
- 如权利要求15所述的方法,其特征在于,碱液中碱的质量分数为2-40%。
- 如权利要求15或16所述的方法,其特征在于,碱液中的碱选自于氢氧化钠、氢氧化钾、四甲基氢氧化铵、碳酸钠及碳酸氢钠中的至少一种。
- 如权利要求15-17中任一项所述的方法,其特征在于,在将单晶硅片置于碱液中去除单晶硅片表面损伤层之前,还包括:将单晶硅片置于低级醇中浸泡1-30分钟。
- 如前述权利要求任意一项所述的方法,其特征在于,所述清洗去除单晶硅片表面残留的金属或金属氧化物,包括:将形成倒金字塔状织构的单晶硅片置于20-60℃的混合溶液B中1-30分钟, 之后用水清洗;所述混合溶液B包含腐蚀剂、氧化剂及水;所述腐蚀剂选自硫酸、硝酸及氨水中的一种;所述氧化剂选自过氢化氢或臭氧。
- 如权利要求19所述的方法,其特征在于,基于混合溶液B的总质量,腐蚀剂的质量百分数为3-30%;在氧化剂为过氢化氢时,基于混合溶液B的总质量,过氧化氢的质量百分数为1-10%;在氧化剂为臭氧时,臭氧在混合溶液B中的浓度为2-40ppm。
- 如前述权利要求任意一项所述的方法,其特征在于,在去除单晶硅片表面残留的金属或金属氧化物后,还包括:将去除了金属或金属氧化物后的单晶硅片置于质量分数为1-10%的氢氟酸溶液中1-30分钟,之后用纯水清洗,去除单晶硅片表面氧化层。
- 如权利要求21所述的方法,其特征在于,将去除了表面氧化层的单晶硅片进行干燥处理。
- 如前述权利要求任意一项所述的方法,其特征在于,所述分散剂为南京中云新材料有限公司生产的分散剂ZYFS-1000。
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