KR101715083B1 - 폴리실라잔 화합물을 포함하는 박막 트랜지스터 게이트 절연막 및 이를 포함하는 박막 트랜지스터 - Google Patents
폴리실라잔 화합물을 포함하는 박막 트랜지스터 게이트 절연막 및 이를 포함하는 박막 트랜지스터 Download PDFInfo
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- KR101715083B1 KR101715083B1 KR1020150119710A KR20150119710A KR101715083B1 KR 101715083 B1 KR101715083 B1 KR 101715083B1 KR 1020150119710 A KR1020150119710 A KR 1020150119710A KR 20150119710 A KR20150119710 A KR 20150119710A KR 101715083 B1 KR101715083 B1 KR 101715083B1
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- Prior art keywords
- thin film
- film transistor
- metal
- gate insulating
- insulating film
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- 239000010409 thin film Substances 0.000 title claims abstract description 188
- 229920001709 polysilazane Polymers 0.000 title claims abstract description 35
- 150000001875 compounds Chemical class 0.000 title claims abstract description 32
- 239000012212 insulator Substances 0.000 title 1
- 239000000203 mixture Substances 0.000 claims abstract description 118
- 239000004065 semiconductor Substances 0.000 claims abstract description 116
- 239000010408 film Substances 0.000 claims abstract description 114
- 229910052751 metal Inorganic materials 0.000 claims abstract description 53
- 239000002184 metal Substances 0.000 claims abstract description 53
- 239000000463 material Substances 0.000 claims abstract description 47
- 238000000034 method Methods 0.000 claims abstract description 41
- 239000000446 fuel Substances 0.000 claims abstract description 13
- 230000001590 oxidative effect Effects 0.000 claims abstract description 13
- 238000004528 spin coating Methods 0.000 claims abstract description 12
- 238000010438 heat treatment Methods 0.000 claims description 56
- 239000000758 substrate Substances 0.000 claims description 32
- 229910052738 indium Inorganic materials 0.000 claims description 30
- APFVFJFRJDLVQX-UHFFFAOYSA-N indium atom Chemical compound [In] APFVFJFRJDLVQX-UHFFFAOYSA-N 0.000 claims description 30
- 229910052733 gallium Inorganic materials 0.000 claims description 21
- 239000002904 solvent Substances 0.000 claims description 18
- 239000011701 zinc Substances 0.000 claims description 18
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 claims description 14
- 229910052725 zinc Inorganic materials 0.000 claims description 14
- GYHNNYVSQQEPJS-UHFFFAOYSA-N Gallium Chemical compound [Ga] GYHNNYVSQQEPJS-UHFFFAOYSA-N 0.000 claims description 13
- 239000011248 coating agent Substances 0.000 claims description 13
- 238000000576 coating method Methods 0.000 claims description 13
- 229910052739 hydrogen Inorganic materials 0.000 claims description 10
- 239000001257 hydrogen Substances 0.000 claims description 10
- 125000006545 (C1-C9) alkyl group Chemical group 0.000 claims description 8
- 125000003903 2-propenyl group Chemical group [H]C([*])([H])C([H])=C([H])[H] 0.000 claims description 8
- 150000002431 hydrogen Chemical class 0.000 claims description 8
- 125000002887 hydroxy group Chemical group [H]O* 0.000 claims description 8
- 238000007639 printing Methods 0.000 claims description 8
- 229910052782 aluminium Inorganic materials 0.000 claims description 6
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 6
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 claims description 5
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims description 5
- QCWXUUIWCKQGHC-UHFFFAOYSA-N Zirconium Chemical compound [Zr] QCWXUUIWCKQGHC-UHFFFAOYSA-N 0.000 claims description 5
- 229910052744 lithium Inorganic materials 0.000 claims description 5
- 229910052719 titanium Inorganic materials 0.000 claims description 5
- 239000010936 titanium Substances 0.000 claims description 5
- 229910052726 zirconium Inorganic materials 0.000 claims description 5
- 239000000443 aerosol Substances 0.000 claims description 4
- 125000000217 alkyl group Chemical group 0.000 claims description 4
- -1 amino, silyl Chemical group 0.000 claims description 4
- 238000003618 dip coating Methods 0.000 claims description 4
- 238000007646 gravure printing Methods 0.000 claims description 4
- 238000007641 inkjet printing Methods 0.000 claims description 4
- 238000007650 screen-printing Methods 0.000 claims description 4
- 238000005507 spraying Methods 0.000 claims description 4
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims description 2
- 229910002651 NO3 Inorganic materials 0.000 claims description 2
- NHNBFGGVMKEFGY-UHFFFAOYSA-N Nitrate Chemical compound [O-][N+]([O-])=O NHNBFGGVMKEFGY-UHFFFAOYSA-N 0.000 claims description 2
- 238000002485 combustion reaction Methods 0.000 abstract description 43
- 238000004519 manufacturing process Methods 0.000 abstract description 40
- 230000002269 spontaneous effect Effects 0.000 abstract description 34
- 239000002243 precursor Substances 0.000 abstract description 16
- 238000002156 mixing Methods 0.000 abstract description 6
- YVTHLONGBIQYBO-UHFFFAOYSA-N zinc indium(3+) oxygen(2-) Chemical compound [O--].[Zn++].[In+3] YVTHLONGBIQYBO-UHFFFAOYSA-N 0.000 abstract description 3
- 230000000052 comparative effect Effects 0.000 description 60
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 35
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 description 22
- 239000000377 silicon dioxide Substances 0.000 description 17
- 239000000243 solution Substances 0.000 description 12
- 239000011787 zinc oxide Substances 0.000 description 11
- 235000012239 silicon dioxide Nutrition 0.000 description 10
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 9
- KFZMGEQAYNKOFK-UHFFFAOYSA-N Isopropanol Chemical compound CC(C)O KFZMGEQAYNKOFK-UHFFFAOYSA-N 0.000 description 9
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 9
- NJWNEWQMQCGRDO-UHFFFAOYSA-N indium zinc Chemical compound [Zn].[In] NJWNEWQMQCGRDO-UHFFFAOYSA-N 0.000 description 9
- QLGXEBOWSMPUMJ-UHFFFAOYSA-N [In].[Zn].[Zr] Chemical compound [In].[Zn].[Zr] QLGXEBOWSMPUMJ-UHFFFAOYSA-N 0.000 description 8
- HZAXFHJVJLSVMW-UHFFFAOYSA-N 2-Aminoethan-1-ol Chemical compound NCCO HZAXFHJVJLSVMW-UHFFFAOYSA-N 0.000 description 6
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 6
- 238000006243 chemical reaction Methods 0.000 description 6
- MVPPADPHJFYWMZ-UHFFFAOYSA-N chlorobenzene Chemical compound ClC1=CC=CC=C1 MVPPADPHJFYWMZ-UHFFFAOYSA-N 0.000 description 6
- 229910052710 silicon Inorganic materials 0.000 description 6
- 239000010703 silicon Substances 0.000 description 6
- ZVYYAYJIGYODSD-LNTINUHCSA-K (z)-4-bis[[(z)-4-oxopent-2-en-2-yl]oxy]gallanyloxypent-3-en-2-one Chemical compound [Ga+3].C\C([O-])=C\C(C)=O.C\C([O-])=C\C(C)=O.C\C([O-])=C\C(C)=O ZVYYAYJIGYODSD-LNTINUHCSA-K 0.000 description 4
- 229910005555 GaZnO Inorganic materials 0.000 description 4
- NWAIGJYBQQYSPW-UHFFFAOYSA-N azanylidyneindigane Chemical compound [In]#N NWAIGJYBQQYSPW-UHFFFAOYSA-N 0.000 description 4
- 239000003989 dielectric material Substances 0.000 description 4
- 239000011521 glass Substances 0.000 description 4
- 230000003647 oxidation Effects 0.000 description 4
- 238000007254 oxidation reaction Methods 0.000 description 4
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Substances [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 description 4
- XNWFRZJHXBZDAG-UHFFFAOYSA-N 2-METHOXYETHANOL Chemical compound COCCO XNWFRZJHXBZDAG-UHFFFAOYSA-N 0.000 description 3
- SECXISVLQFMRJM-UHFFFAOYSA-N N-Methylpyrrolidone Chemical compound CN1CCCC1=O SECXISVLQFMRJM-UHFFFAOYSA-N 0.000 description 3
- KRKNYBCHXYNGOX-UHFFFAOYSA-N citric acid Chemical compound OC(=O)CC(O)(C(O)=O)CC(O)=O KRKNYBCHXYNGOX-UHFFFAOYSA-N 0.000 description 3
- 239000004020 conductor Substances 0.000 description 3
- 238000000151 deposition Methods 0.000 description 3
- SKWCWFYBFZIXHE-UHFFFAOYSA-K indium acetylacetonate Chemical compound CC(=O)C=C(C)O[In](OC(C)=CC(C)=O)OC(C)=CC(C)=O SKWCWFYBFZIXHE-UHFFFAOYSA-K 0.000 description 3
- 229910044991 metal oxide Inorganic materials 0.000 description 3
- 150000004706 metal oxides Chemical class 0.000 description 3
- 229920003023 plastic Polymers 0.000 description 3
- 239000004033 plastic Substances 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- 235000012431 wafers Nutrition 0.000 description 3
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 description 2
- 229910002601 GaN Inorganic materials 0.000 description 2
- JMASRVWKEDWRBT-UHFFFAOYSA-N Gallium nitride Chemical compound [Ga]#N JMASRVWKEDWRBT-UHFFFAOYSA-N 0.000 description 2
- DHMQDGOQFOQNFH-UHFFFAOYSA-N Glycine Chemical compound NCC(O)=O DHMQDGOQFOQNFH-UHFFFAOYSA-N 0.000 description 2
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 description 2
- 238000005229 chemical vapour deposition Methods 0.000 description 2
- 230000002542 deteriorative effect Effects 0.000 description 2
- 230000001747 exhibiting effect Effects 0.000 description 2
- 239000011737 fluorine Substances 0.000 description 2
- 229910052731 fluorine Inorganic materials 0.000 description 2
- 239000010931 gold Substances 0.000 description 2
- AMGQUBHHOARCQH-UHFFFAOYSA-N indium;oxotin Chemical compound [In].[Sn]=O AMGQUBHHOARCQH-UHFFFAOYSA-N 0.000 description 2
- 238000004518 low pressure chemical vapour deposition Methods 0.000 description 2
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 description 2
- 239000011368 organic material Substances 0.000 description 2
- 238000000059 patterning Methods 0.000 description 2
- 238000000623 plasma-assisted chemical vapour deposition Methods 0.000 description 2
- 229910052697 platinum Inorganic materials 0.000 description 2
- 239000003381 stabilizer Substances 0.000 description 2
- XOLBLPGZBRYERU-UHFFFAOYSA-N tin dioxide Chemical compound O=[Sn]=O XOLBLPGZBRYERU-UHFFFAOYSA-N 0.000 description 2
- 229910001887 tin oxide Inorganic materials 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- NHXVNEDMKGDNPR-UHFFFAOYSA-N zinc;pentane-2,4-dione Chemical compound [Zn+2].CC(=O)[CH-]C(C)=O.CC(=O)[CH-]C(C)=O NHXVNEDMKGDNPR-UHFFFAOYSA-N 0.000 description 2
- KPMCYOMCJRBFLE-LJDKTGGESA-N (z)-1,1,1,5,5,5-hexafluoro-4-hydroxypent-3-en-2-one;zinc;dihydrate Chemical compound O.O.[Zn].FC(F)(F)C(/O)=C/C(=O)C(F)(F)F.FC(F)(F)C(/O)=C/C(=O)C(F)(F)F KPMCYOMCJRBFLE-LJDKTGGESA-N 0.000 description 1
- 239000004471 Glycine Substances 0.000 description 1
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 description 1
- KJTLSVCANCCWHF-UHFFFAOYSA-N Ruthenium Chemical compound [Ru] KJTLSVCANCCWHF-UHFFFAOYSA-N 0.000 description 1
- 229910004298 SiO 2 Inorganic materials 0.000 description 1
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 229910021486 amorphous silicon dioxide Inorganic materials 0.000 description 1
- 238000000137 annealing Methods 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000003990 capacitor Substances 0.000 description 1
- 239000004202 carbamide Substances 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- 229910002092 carbon dioxide Inorganic materials 0.000 description 1
- XEVRDFDBXJMZFG-UHFFFAOYSA-N carbonyl dihydrazine Chemical compound NNC(=O)NN XEVRDFDBXJMZFG-UHFFFAOYSA-N 0.000 description 1
- 239000004035 construction material Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000012895 dilution Substances 0.000 description 1
- 238000010790 dilution Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 229920002457 flexible plastic Polymers 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 239000004973 liquid crystal related substance Substances 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- VUZPPFZMUPKLLV-UHFFFAOYSA-N methane;hydrate Chemical compound C.O VUZPPFZMUPKLLV-UHFFFAOYSA-N 0.000 description 1
- MBBQAVVBESBLGH-UHFFFAOYSA-N methyl 4-bromo-3-hydroxybutanoate Chemical compound COC(=O)CC(O)CBr MBBQAVVBESBLGH-UHFFFAOYSA-N 0.000 description 1
- 229910052750 molybdenum Inorganic materials 0.000 description 1
- 239000011733 molybdenum Substances 0.000 description 1
- 239000002086 nanomaterial Substances 0.000 description 1
- 229910021420 polycrystalline silicon Inorganic materials 0.000 description 1
- 229920005591 polysilicon Polymers 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 229910052707 ruthenium Inorganic materials 0.000 description 1
- 229910052814 silicon oxide Inorganic materials 0.000 description 1
- 229910052709 silver Inorganic materials 0.000 description 1
- 239000004332 silver Substances 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- OXAGUGIXGVHDGD-UHFFFAOYSA-H trizinc;2-hydroxypropane-1,2,3-tricarboxylate;dihydrate Chemical compound O.O.[Zn+2].[Zn+2].[Zn+2].[O-]C(=O)CC(O)(CC([O-])=O)C([O-])=O.[O-]C(=O)CC(O)(CC([O-])=O)C([O-])=O OXAGUGIXGVHDGD-UHFFFAOYSA-H 0.000 description 1
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 description 1
- 229910052721 tungsten Inorganic materials 0.000 description 1
- 239000010937 tungsten Substances 0.000 description 1
- VUTPBYRVUIEEGC-UHFFFAOYSA-L zinc 2-aminoacetate hydrate Chemical compound O.[Zn+2].NCC([O-])=O.NCC([O-])=O VUTPBYRVUIEEGC-UHFFFAOYSA-L 0.000 description 1
- AKJVMGQSGCSQBU-UHFFFAOYSA-N zinc azanidylidenezinc Chemical compound [Zn++].[N-]=[Zn].[N-]=[Zn] AKJVMGQSGCSQBU-UHFFFAOYSA-N 0.000 description 1
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- 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
- H01L21/02104—Forming layers
- H01L21/02107—Forming insulating materials on a substrate
- H01L21/02109—Forming insulating materials on a substrate characterised by the type of layer, e.g. type of material, porous/non-porous, pre-cursors, mixtures or laminates
- H01L21/02205—Forming insulating materials on a substrate characterised by the type of layer, e.g. type of material, porous/non-porous, pre-cursors, mixtures or laminates the layer being characterised by the precursor material for deposition
- H01L21/02208—Forming insulating materials on a substrate characterised by the type of layer, e.g. type of material, porous/non-porous, pre-cursors, mixtures or laminates the layer being characterised by the precursor material for deposition the precursor containing a compound comprising Si
- H01L21/02219—Forming insulating materials on a substrate characterised by the type of layer, e.g. type of material, porous/non-porous, pre-cursors, mixtures or laminates the layer being characterised by the precursor material for deposition the precursor containing a compound comprising Si the compound comprising silicon and nitrogen
- H01L21/02222—Forming insulating materials on a substrate characterised by the type of layer, e.g. type of material, porous/non-porous, pre-cursors, mixtures or laminates the layer being characterised by the precursor material for deposition the precursor containing a compound comprising Si the compound comprising silicon and nitrogen the compound being a silazane
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K99/00—Subject matter not provided for in other groups of this subclass
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G77/00—Macromolecular compounds obtained by reactions forming a linkage containing silicon with or without sulfur, nitrogen, oxygen or carbon in the main chain of the macromolecule
- C08G77/04—Polysiloxanes
- C08G77/22—Polysiloxanes containing silicon bound to organic groups containing atoms other than carbon, hydrogen and oxygen
- C08G77/26—Polysiloxanes containing silicon bound to organic groups containing atoms other than carbon, hydrogen and oxygen nitrogen-containing groups
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L83/00—Compositions of macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing silicon with or without sulfur, nitrogen, oxygen or carbon only; Compositions of derivatives of such polymers
- C08L83/14—Compositions of macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing silicon with or without sulfur, nitrogen, oxygen or carbon only; Compositions of derivatives of such polymers in which at least two but not all the silicon atoms are connected by linkages other than oxygen atoms
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L83/00—Compositions of macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing silicon with or without sulfur, nitrogen, oxygen or carbon only; Compositions of derivatives of such polymers
- C08L83/16—Compositions of macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing silicon with or without sulfur, nitrogen, oxygen or carbon only; Compositions of derivatives of such polymers in which all the silicon atoms are connected by linkages other than oxygen atoms
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- H01L29/78603—
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- H01L29/78606—
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- H01L29/78618—
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- Engineering & Computer Science (AREA)
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- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
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- Thin Film Transistor (AREA)
Abstract
Description
구분 |
공정 조건 | 유전상수 (1 kHz) |
누설전류 (1 MV/cm2) |
전하 이동도 (cm2/V.s) |
점멸비 |
||
폴리실리잔열처리 온도 (℃) |
반도체 종류 |
반도체 열처리 온도(℃) |
|||||
비교예 5 | 150 |
ZnO | 150 | 3.0 |
N/A |
N/A | N/A |
비교예 6 | IZO | 300 | N/A | N/A | |||
비교예 7 | IGZO | 300 | N/A | N/A | |||
비교예 8 | IZrZO | 300 | N/A | N/A | |||
실시예 1 | 200 |
ZnO | 150 | 7.2 |
0.184 nA/cm |
54.2 | ~105 |
실시예 2 | IZO | 300 | 71.6 | ~106 | |||
실시예 3 | IGZO | 300 | 36.1 | ~106 | |||
실시예 4 | IZrZO | 300 | 19.2 | ~107 | |||
실시예 5 | 250 |
ZnO | 150 | 8.3 |
0.186 nA/cm |
72.1 | ~106 |
실시예 6 | IZO | 300 | 82.6 | ~106 | |||
실시예 7 | IGZO | 300 | 68.4 | ~106 | |||
실시예 8 | IZrZO | 300 | 53.2 | ~107 | |||
실시예 9 | 300 |
ZnO | 150 | 6.6 |
0.132 nA/cm |
18.2 | ~105 |
실시예 10 | IZO | 300 | 64.8 | ~106 | |||
실시예 11 | IGZO | 300 | 42.7 | ~106 | |||
실시예 12 | IZrZO | 300 | 17.3 | ~107 | |||
실시예 13 | 350 |
ZnO | 150 | 6.0 |
0.096 nA/cm |
10.4 | ~105 |
실시예 14 | IZO | 300 | 34.2 | ~106 | |||
실시예 15 | IGZO | 300 | 12.8 | ~106 | |||
실시예 16 | IZrZO | 300 | 7.7 | ~107 | |||
비교예 9 | 400 |
ZnO | 150 | 4.5 |
0.042 nA/cm |
3.6 | ~106 |
비교예 10 | IZO | 300 | 5.2 | ~106 | |||
비교예 11 | IGZO | 300 | 2.1 | ~105 | |||
비교예 12 | IZrZO | 300 | 1.1 | ~105 | |||
비교예 13 | 500 |
ZnO | 150 | 3.8 |
0.013 nA/cm |
0.18 | ~106 |
비교예 14 | IZO | 300 | 2.7 | ~106 | |||
비교예 15 | IGZO | 300 | 0.8 | ~105 | |||
비교예 16 | IZrZO | 300 | 0.05 | ~105 | |||
비교예 1 | 상용화된 이산화 규소 |
ZnO | 150 | 3.9 |
0.005 nA/cm |
0.2 | ~106 |
비교예 2 | IZO | 300 | 4.9 | ~106 | |||
비교예 3 | IGZO | 300 | 1.1 | ~105 | |||
비교예 4 | IZrZO | 300 | 0.02 | ~105 |
1: 기판
2: 게이트 전극
3: 게이트 절연막
4: 반도체 막
5: 소스 전극
6: 드레인 전극
Claims (13)
- 기판 상부에 게이트 전극을 형성하는 단계(단계 1);
상기 단계 1에서 형성된 게이트 전극 상부에 하기 화학식 1로 표시되는 폴리실라잔(Polysilazane) 화합물을 포함하는 유전체 조성물을 도포하여 막을 제조하는 단계(단계 2);
상기 단계 2에서 제조된 막을 200℃ 내지 250℃의 온도로 가열하여 게이트 절연막을 형성하는 단계(단계 3);
상기 단계 3에서 형성된 게이트 절연막 상부에 반도체 박막을 형성하는 단계(단계 4); 및
상기 단계 4에서 형성된 반도체 박막 상부에 소스(Source)와 드레인(Drain) 전극을 형성하는 단계(단계 5);를 포함하는 박막 트랜지스터의 제조방법:
<화학식 1>
(상기 화학식 1에서,
R1 및 R2는 각각 독립적으로 수소, 하이드록시기, 아미노기, 실릴기, 직쇄 또는 측쇄의 C1-9 알킬 또는 C5-12 알릴이고,
R3는 수소, 하이드록시기, 직쇄 또는 측쇄 C1-9 알킬 또는 C5-12 알릴이고,
n은 10 내지 1,000,000이다).
- 제1항에 있어서,
상기 단계 3은 250℃의 온도로 가열하여 게이트 절연막을 형성하는 단계인 것을 특징으로 하는 박막 트랜지스터의 제조방법.
- 삭제
- 제1항에 있어서,
상기 단계 2의 도포는 잉크젯 프린팅(Ink-jet printing), 롤 프린팅(Roll printing), 그라비아 프린팅(Gravure printing), 에어로졸 프린팅(Aaerosol printing), 스크린 프린팅(Screen printing), 롤 코팅(Roll coating), 스핀 코팅(Spin coating), 바 코팅(Bar coating), 스프레이 코팅(Spray coating) 및 딥 코팅(Dip coating)으로 이루어지는 군으로부터 선택되는 1 종의 방법으로 수행되는 것을 특징으로 하는 박막 트랜지스터의 제조방법.
- 삭제
- 삭제
- 삭제
- 제1항에 있어서,
상기 단계 4의 반도체 박막을 형성하는 단계는,
산화재료인 금속 A의 질화물(nitrate)과 연료재료인 금속 B의 하기 화학식 2로 표현되는 착화물을 포함하고, 상기 금속 A 및 금속 B는 각각 인듐, 갈륨, 아연, 티타늄, 알루미늄, 리튬 및 지르코늄으로 이루어진 군으로부터 선택되는 1 종의 금속이며, 금속 A와 금속 B는 서로 상이한 것을 특징으로 하는 반도체 잉크 조성물을 게이트 절연막 상부로 도포하여 막을 제조하는 단계(단계 a); 및
상기 단계 a에서 제조된 막을 열처리하는 단계(단계 b);를 포함하는 것을 특징으로 하는 박막 트랜지스터의 제조방법:
<화학식 2>
(상기 화학식 2에서,
R1, R2 및 R3는 각각 독립적으로 수소 또는 C1-2 알킬이고, 여기서 C1-2 알킬은 하나 이상의 F로 치환될 수 있다).
- 제8항에 있어서,
상기 단계 a의 반도체 잉크 조성물은
산화재료로서 금속 C의 질화물(nitrate)과 연료재료로서 금속 C의 상기 화학식 2로 표현되는 착화물로부터 선택되는 1 종 이상을 더 포함하고,
상기 금속 C는 인듐, 갈륨, 아연, 티타늄, 알루미늄, 리튬 및 지르코늄으로 이루어진 군으로부터 선택되는 1 종의 금속이며, 금속 C는 상기 금속 A 및 금속 B와 서로 상이한 것을 특징으로 하는 박막 트랜지스터의 제조방법.
- 제8항에 있어서,
상기 단계 a의 금속 A 및 금속 B가 아연 또는 인듐일 때, 아연 : 인듐이 1 : 0.7 내지 1 : 10의 몰비인 것을 특징으로 하는 박막 트랜지스터의 제조방법.
- 제8항에 있어서,
상기 단계 a의 반도체 잉크 조성물은 용매를 더 포함하고, 산화재료, 연료재료 및 용매의 혼합물의 농도는 0.05 M 내지 0.25 M인 것을 특징으로 하는 박막 트랜지스터의 제조방법.
- 제8항에 있어서,
상기 단계 b의 열처리는 200 ℃ 내지 250 ℃에서 수행되는 것을 특징으로 하는 박막 트랜지스터의 제조방법.
- 삭제
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