KR100770363B1 - 계면활성제를 이용하는 금속 치환 메조포러스 금속산화물 박막의 제조방법 및 이를 채용한 가스센서 - Google Patents
계면활성제를 이용하는 금속 치환 메조포러스 금속산화물 박막의 제조방법 및 이를 채용한 가스센서 Download PDFInfo
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- KR100770363B1 KR100770363B1 KR1020050018137A KR20050018137A KR100770363B1 KR 100770363 B1 KR100770363 B1 KR 100770363B1 KR 1020050018137 A KR1020050018137 A KR 1020050018137A KR 20050018137 A KR20050018137 A KR 20050018137A KR 100770363 B1 KR100770363 B1 KR 100770363B1
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- 239000010409 thin film Substances 0.000 title claims abstract description 72
- 150000004706 metal oxides Chemical class 0.000 title claims abstract description 61
- 229910044991 metal oxide Inorganic materials 0.000 title claims abstract description 58
- 239000004094 surface-active agent Substances 0.000 title claims abstract description 29
- 229910052751 metal Inorganic materials 0.000 title claims abstract description 21
- 239000002184 metal Substances 0.000 title claims abstract description 20
- 238000000034 method Methods 0.000 title claims description 22
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- 229910000510 noble metal Inorganic materials 0.000 claims abstract description 27
- 150000003839 salts Chemical class 0.000 claims abstract description 26
- 238000004519 manufacturing process Methods 0.000 claims abstract description 23
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims abstract description 20
- 239000000758 substrate Substances 0.000 claims abstract description 17
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- 238000000576 coating method Methods 0.000 claims abstract description 8
- 239000010970 precious metal Substances 0.000 claims abstract description 8
- DZGCGKFAPXFTNM-UHFFFAOYSA-N ethanol;hydron;chloride Chemical compound Cl.CCO DZGCGKFAPXFTNM-UHFFFAOYSA-N 0.000 claims abstract description 7
- 239000011248 coating agent Substances 0.000 claims abstract description 5
- 238000002156 mixing Methods 0.000 claims abstract description 4
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 claims description 35
- 239000007789 gas Substances 0.000 claims description 33
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- 229910002091 carbon monoxide Inorganic materials 0.000 claims description 29
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- 229910052697 platinum Inorganic materials 0.000 claims description 19
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- 239000002245 particle Substances 0.000 claims description 10
- 238000010438 heat treatment Methods 0.000 claims description 7
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 claims description 6
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- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims description 6
- 238000005507 spraying Methods 0.000 claims description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 6
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims description 5
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- 239000010931 gold Substances 0.000 claims description 5
- 239000003915 liquefied petroleum gas Substances 0.000 claims description 5
- 239000010949 copper Substances 0.000 claims description 4
- 239000013078 crystal Substances 0.000 claims description 4
- 238000006460 hydrolysis reaction Methods 0.000 claims description 4
- 239000002563 ionic surfactant Substances 0.000 claims description 4
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- 239000011135 tin Substances 0.000 claims description 4
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 3
- 239000001569 carbon dioxide Substances 0.000 claims description 3
- 229910002092 carbon dioxide Inorganic materials 0.000 claims description 3
- 239000000919 ceramic Substances 0.000 claims description 3
- 229910052802 copper Inorganic materials 0.000 claims description 3
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 claims description 3
- 229910052737 gold Inorganic materials 0.000 claims description 3
- 229910052739 hydrogen Inorganic materials 0.000 claims description 3
- 239000001257 hydrogen Substances 0.000 claims description 3
- 150000002431 hydrogen Chemical class 0.000 claims description 3
- 239000010955 niobium Substances 0.000 claims description 3
- 229920000642 polymer Polymers 0.000 claims description 3
- 239000010948 rhodium Substances 0.000 claims description 3
- 229910052718 tin Inorganic materials 0.000 claims description 3
- 239000010936 titanium Substances 0.000 claims description 3
- ZSLUVFAKFWKJRC-IGMARMGPSA-N 232Th Chemical compound [232Th] ZSLUVFAKFWKJRC-IGMARMGPSA-N 0.000 claims description 2
- MGWGWNFMUOTEHG-UHFFFAOYSA-N 4-(3,5-dimethylphenyl)-1,3-thiazol-2-amine Chemical compound CC1=CC(C)=CC(C=2N=C(N)SC=2)=C1 MGWGWNFMUOTEHG-UHFFFAOYSA-N 0.000 claims description 2
- KJTLSVCANCCWHF-UHFFFAOYSA-N Ruthenium Chemical compound [Ru] KJTLSVCANCCWHF-UHFFFAOYSA-N 0.000 claims description 2
- 229910052776 Thorium Inorganic materials 0.000 claims description 2
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 claims description 2
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims description 2
- 229910052787 antimony Inorganic materials 0.000 claims description 2
- WATWJIUSRGPENY-UHFFFAOYSA-N antimony atom Chemical compound [Sb] WATWJIUSRGPENY-UHFFFAOYSA-N 0.000 claims description 2
- 229910052794 bromium Inorganic materials 0.000 claims description 2
- 229910052801 chlorine Inorganic materials 0.000 claims description 2
- 229910052731 fluorine Inorganic materials 0.000 claims description 2
- 229910052736 halogen Inorganic materials 0.000 claims description 2
- 150000002367 halogens Chemical class 0.000 claims description 2
- GKOZUEZYRPOHIO-UHFFFAOYSA-N iridium atom Chemical compound [Ir] GKOZUEZYRPOHIO-UHFFFAOYSA-N 0.000 claims description 2
- 239000013335 mesoporous material Substances 0.000 claims description 2
- 229910052759 nickel Inorganic materials 0.000 claims description 2
- 229910052758 niobium Inorganic materials 0.000 claims description 2
- GUCVJGMIXFAOAE-UHFFFAOYSA-N niobium atom Chemical compound [Nb] GUCVJGMIXFAOAE-UHFFFAOYSA-N 0.000 claims description 2
- JCXJVPUVTGWSNB-UHFFFAOYSA-N nitrogen dioxide Inorganic materials O=[N]=O JCXJVPUVTGWSNB-UHFFFAOYSA-N 0.000 claims description 2
- 229910052762 osmium Inorganic materials 0.000 claims description 2
- SYQBFIAQOQZEGI-UHFFFAOYSA-N osmium atom Chemical compound [Os] SYQBFIAQOQZEGI-UHFFFAOYSA-N 0.000 claims description 2
- 229910052763 palladium Inorganic materials 0.000 claims description 2
- 229910052703 rhodium Inorganic materials 0.000 claims description 2
- MHOVAHRLVXNVSD-UHFFFAOYSA-N rhodium atom Chemical compound [Rh] MHOVAHRLVXNVSD-UHFFFAOYSA-N 0.000 claims description 2
- 229910052707 ruthenium Inorganic materials 0.000 claims description 2
- 239000010703 silicon Substances 0.000 claims description 2
- 229910052710 silicon Inorganic materials 0.000 claims description 2
- 238000006467 substitution reaction Methods 0.000 claims description 2
- 229910052719 titanium Inorganic materials 0.000 claims description 2
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 claims description 2
- 229910052721 tungsten Inorganic materials 0.000 claims description 2
- 239000010937 tungsten Substances 0.000 claims description 2
- LEONUFNNVUYDNQ-UHFFFAOYSA-N vanadium atom Chemical compound [V] LEONUFNNVUYDNQ-UHFFFAOYSA-N 0.000 claims description 2
- ZCYVEMRRCGMTRW-UHFFFAOYSA-N 7553-56-2 Chemical compound [I] ZCYVEMRRCGMTRW-UHFFFAOYSA-N 0.000 claims 1
- WKBOTKDWSSQWDR-UHFFFAOYSA-N Bromine atom Chemical compound [Br] WKBOTKDWSSQWDR-UHFFFAOYSA-N 0.000 claims 1
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 claims 1
- PXGOKWXKJXAPGV-UHFFFAOYSA-N Fluorine Chemical compound FF PXGOKWXKJXAPGV-UHFFFAOYSA-N 0.000 claims 1
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 claims 1
- GDTBXPJZTBHREO-UHFFFAOYSA-N bromine Substances BrBr GDTBXPJZTBHREO-UHFFFAOYSA-N 0.000 claims 1
- 239000000460 chlorine Substances 0.000 claims 1
- 239000011737 fluorine Substances 0.000 claims 1
- 229910052740 iodine Inorganic materials 0.000 claims 1
- 239000011630 iodine Substances 0.000 claims 1
- 229910052742 iron Inorganic materials 0.000 claims 1
- 239000011259 mixed solution Substances 0.000 claims 1
- 229910052755 nonmetal Inorganic materials 0.000 claims 1
- 229910052720 vanadium Inorganic materials 0.000 claims 1
- 229910052725 zinc Inorganic materials 0.000 claims 1
- 239000011701 zinc Substances 0.000 claims 1
- 230000035945 sensitivity Effects 0.000 abstract description 39
- 230000001965 increasing effect Effects 0.000 abstract description 3
- 229910006404 SnO 2 Inorganic materials 0.000 description 11
- 230000000052 comparative effect Effects 0.000 description 7
- 239000011540 sensing material Substances 0.000 description 7
- 238000002360 preparation method Methods 0.000 description 6
- 150000003057 platinum Chemical class 0.000 description 5
- 239000002341 toxic gas Substances 0.000 description 5
- -1 copper Chemical class 0.000 description 4
- 238000012360 testing method Methods 0.000 description 4
- XOLBLPGZBRYERU-UHFFFAOYSA-N tin dioxide Chemical compound O=[Sn]=O XOLBLPGZBRYERU-UHFFFAOYSA-N 0.000 description 4
- 229910003771 Gold(I) chloride Inorganic materials 0.000 description 3
- 238000002474 experimental method Methods 0.000 description 3
- FDWREHZXQUYJFJ-UHFFFAOYSA-M gold monochloride Chemical compound [Cl-].[Au+] FDWREHZXQUYJFJ-UHFFFAOYSA-M 0.000 description 3
- 238000001179 sorption measurement Methods 0.000 description 3
- NLMKTBGFQGKQEV-UHFFFAOYSA-N 2-[2-[2-[2-[2-[2-[2-[2-[2-[2-[2-[2-[2-[2-[2-[2-[2-[2-[2-(2-hexadecoxyethoxy)ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethanol Chemical compound CCCCCCCCCCCCCCCCOCCOCCOCCOCCOCCOCCOCCOCCOCCOCCOCCOCCOCCOCCOCCOCCOCCOCCOCCOCCO NLMKTBGFQGKQEV-UHFFFAOYSA-N 0.000 description 2
- 101150003085 Pdcl gene Proteins 0.000 description 2
- 239000000654 additive Substances 0.000 description 2
- 230000000996 additive effect Effects 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 239000002105 nanoparticle Substances 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- 210000001747 pupil Anatomy 0.000 description 2
- 239000004065 semiconductor Substances 0.000 description 2
- 230000003746 surface roughness Effects 0.000 description 2
- QFJIELFEXWAVLU-UHFFFAOYSA-H tetrachloroplatinum(2+) dichloride Chemical class Cl[Pt](Cl)(Cl)(Cl)(Cl)Cl QFJIELFEXWAVLU-UHFFFAOYSA-H 0.000 description 2
- HPGGPRDJHPYFRM-UHFFFAOYSA-J tin(iv) chloride Chemical compound Cl[Sn](Cl)(Cl)Cl HPGGPRDJHPYFRM-UHFFFAOYSA-J 0.000 description 2
- NMSBTWLFBGNKON-UHFFFAOYSA-N 2-(2-hexadecoxyethoxy)ethanol Chemical compound CCCCCCCCCCCCCCCCOCCOCCO NMSBTWLFBGNKON-UHFFFAOYSA-N 0.000 description 1
- HNUQMTZUNUBOLQ-UHFFFAOYSA-N 2-[2-[2-[2-[2-[2-[2-[2-[2-(2-octadecoxyethoxy)ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethanol Chemical compound CCCCCCCCCCCCCCCCCCOCCOCCOCCOCCOCCOCCOCCOCCOCCOCCO HNUQMTZUNUBOLQ-UHFFFAOYSA-N 0.000 description 1
- JKXYOQDLERSFPT-UHFFFAOYSA-N 2-[2-[2-[2-[2-[2-[2-[2-[2-[2-[2-[2-[2-[2-[2-[2-[2-[2-[2-(2-octadecoxyethoxy)ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethanol Chemical compound CCCCCCCCCCCCCCCCCCOCCOCCOCCOCCOCCOCCOCCOCCOCCOCCOCCOCCOCCOCCOCCOCCOCCOCCOCCOCCO JKXYOQDLERSFPT-UHFFFAOYSA-N 0.000 description 1
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- 206010021143 Hypoxia Diseases 0.000 description 1
- 229920003171 Poly (ethylene oxide) Polymers 0.000 description 1
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 1
- 238000003917 TEM image Methods 0.000 description 1
- FQWJVZCNTKSSNC-UHFFFAOYSA-H [Au](Cl)(Cl)(Cl)(Cl)(Cl)Cl Chemical class [Au](Cl)(Cl)(Cl)(Cl)(Cl)Cl FQWJVZCNTKSSNC-UHFFFAOYSA-H 0.000 description 1
- 239000002280 amphoteric surfactant Substances 0.000 description 1
- 150000008064 anhydrides Chemical class 0.000 description 1
- 239000007864 aqueous solution Substances 0.000 description 1
- 239000003054 catalyst Substances 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
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- 239000006185 dispersion Substances 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- RTZKZFJDLAIYFH-UHFFFAOYSA-N ether Substances CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 1
- 238000010304 firing Methods 0.000 description 1
- 150000004677 hydrates Chemical class 0.000 description 1
- 230000007062 hydrolysis Effects 0.000 description 1
- 230000001939 inductive effect Effects 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- RBTARNINKXHZNM-UHFFFAOYSA-K iron trichloride Chemical compound Cl[Fe](Cl)Cl RBTARNINKXHZNM-UHFFFAOYSA-K 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000007935 neutral effect Effects 0.000 description 1
- QMMRZOWCJAIUJA-UHFFFAOYSA-L nickel dichloride Chemical compound Cl[Ni]Cl QMMRZOWCJAIUJA-UHFFFAOYSA-L 0.000 description 1
- 230000009965 odorless effect Effects 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- YBCAZPLXEGKKFM-UHFFFAOYSA-K ruthenium(iii) chloride Chemical compound [Cl-].[Cl-].[Cl-].[Ru+3] YBCAZPLXEGKKFM-UHFFFAOYSA-K 0.000 description 1
- 238000005245 sintering Methods 0.000 description 1
- SDKPSXWGRWWLKR-UHFFFAOYSA-M sodium;9,10-dioxoanthracene-1-sulfonate Chemical compound [Na+].O=C1C2=CC=CC=C2C(=O)C2=C1C=CC=C2S(=O)(=O)[O-] SDKPSXWGRWWLKR-UHFFFAOYSA-M 0.000 description 1
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- 150000003624 transition metals Chemical class 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
- F23G1/00—Furnaces for cremation of human or animal carcasses
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
- F23G2900/00—Special features of, or arrangements for incinerators
- F23G2900/70—Incinerating particular products or waste
- F23G2900/7009—Incinerating human or animal corpses or remains
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Investigating Or Analyzing Materials By The Use Of Fluid Adsorption Or Reactions (AREA)
Abstract
Description
(2) 상기 졸 용액을 기질의 표면 위에 코팅하는 단계; 및
(3) 상기 코팅된 기질을 열처리하여 최밀충전된(close-packed) 균일한 크기의 나노세공형 결정성 복합금속산화물 박막을 형성하는 단계
를 포함하는 금속 치환 메조포러스(Mesoporous) 금속산화물 박막의 제조 방법을 제공한다.
비귀(非貴)금속(nonprecious metal)염 계열로는 철(Fe), 구리(Cu), 안티몬(Sb), 바나듐(V), 아연(Zn), 텅스텐(W), 티타늄(Ti), 니오븀(Nb), 주석(Sn) 등으로부터 선택된 1종 이상의 무기 또는 유기 염을 포함할 수 있고, 그 예는 헥사클로로백금염(H2PtCl6), 헥사클로금염(H2AuCl6), 클로로팔라듐염(PdCl2), 니켈클로라이드(NiCl2), 염화철(FeCl3) 및 루테늄클로라이드(RuCl3) 등을 들 수 있다.
Claims (18)
- (1) 계면활성제를 에탄올에 용해시킨 용액에 비귀(非貴)금속염 및 귀금속염을 첨가,혼합하여 졸 상태의 복합금속 염화물-에탄올 전구체 용액을 제조하는 단계;(2) 상기 졸 용액을 기질의 표면 위에 코팅하는 단계; 및(3) 상기 코팅된 기질을 열처리하여 최밀충전된 균일한 크기의 나노세공형 결정성 복합금속산화물 박막을 형성하는 단계를 포함하는 금속 치환 메조포러스 금속산화물 박막의 제조 방법.
- 제 1 항에 있어서, 단계 1에서 상기 복합금속 염화물의 가수분해 반응을 촉진시키기 위해 비귀(非貴)금속/물의 몰비 1 내지 20 로 물을 추가로 첨가하는 것을 특징으로 하는 금속 치환 메조포러스 금속산화물 박막의 제조 방법.
- 제 1 항에 있어서, 단계 1에서 상기 비귀(非貴)금속염은 철, 구리, 안티몬, 바나듐, 아연, 텅스텐, 티타늄, 니오븀 및 주석으로 구성된 군으로부터 선택된 1종 이상의 금속의 무기 또는 유기 염임을 특징으로 하는 금속 치환 메조포러스 금속산화물 박막의 제조 방법.
- 제 1 항에 있어서, 단계 1에서 상기 귀금속염은 백금, 금, 팔라듐, 니켈, 루테늄, 로듐, 오스뮴, 이리듐 및 토륨으로 구성된 군으로부터 선택된 1종 이상의 금속의 무기 또는 유기 염임을 특징으로 하는 금속 치환 메조포러스 금속산화물 박막의 제조 방법.
- 제 1 항에 있어서, 상기 귀금속염은 비귀(非貴)금속염에 대하여 0.005 ~ 5 중량%를 포함하는 것을 특징으로 하는 금속 치환 메조포러스 금속산화물 박막의 제조방법.
- 제 1 항에 있어서, 단계 1에서 상기 계면활성제는 유기 주형물질 중 이온성 계면활성제 또는 양쪽성 고분자 계면활성제인 것을 특징으로 하는 금속 치환 메조포러스 금속산화물 박막의 제조 방법.
- 제 6 항에 있어서, 상기 이온성 계면활성제는 CnH2n+1N(CH3)3X, CnH2n+1N(C2H5)3X (이때, 8≤n≤22, X는 불소, 염소, 브롬 및 요오드로부터 선택된 할로겐 원소) 조성의 재료를 포함하는 것을 특징으로 하는 금속 치환 메조포러스 금속산화물 박막의 제조 방법.
- 제 6 항에 있어서, 상기 양쪽성 고분자 계면활성제는 CnH2n+1(OCH2CH2)xOH (이때, 12≤n≤23, 0≤x≤100) 조성의 재료를 포함하는 것을 특징으로 하는 금속 치환 메조포러스 금속산화물 박막의 제조 방법.
- 제 1 항에 있어서, 상기 계면활성제는 상기 복합금속 염화물 혼합 용액 100 중량부에 대하여 0.1 내지 10 중량부 첨가되는 것을 특징으로 하는 금속 치환 메조포러스 금속산화물 박막의 제조 방법.
- 제 1 항에 있어서, 단계 1에서 상기 졸 용액의 농도는 0.5×10-4 내지 1.0 M인 것을 특징으로 하는 금속 치환 메조포러스 금속산화물 박막의 제조 방법.
- 제 1 항에 있어서, 단계 2에서 상기 기질은 유리, 실리콘, 세라믹 또는 금속인 것을 특징으로 하는 금속 치환 메조포러스 금속산화물 박막의 제조 방법.
- 제 1 항에 있어서, 단계 2에서 상기 코팅은 스프레이 분사법에 의해 100 내지 500℃의 온도범위에서 수행되는 것을 특징으로 하는 금속 치환 메조포러스 금속산화물 박막의 제조 방법.
- 제 1 항에 있어서, 단계 3에서 상기 열처리는 250 내지 650℃의 온도범위에서 수행되는 것을 특징으로 하는 금속 치환 메조포러스 금속산화물 박막의 제조방법.
- 제 1 항에 있어서, 단계 3에서 상기 복합금속산화물은 N(귀금속)/MOn(비귀(非貴)금속 산화물 (여기서, 1≤n≤3) 조성의 재료인 것을 특징으로 하는 금속 치환 메조포러스 금속산화물 박막의 제조방법.
- 제 1 항에 있어서, 단계 3에서 상기 복합금속산화물 박막 결정의 입경은 3 내지 500 nm인 것을 특징으로 하는 금속 치환 메조포러스 금속산화물 박막의 제조 방법.
- 제 1 항에 있어서, 단계 3에서 상기 복합금속산화물 박막의 총 두께는 10 내지 1,000 nm인 것을 특징으로 하는 금속 치환 메조포러스 금속산화물 박막의 제조 방법.
- 제 1 항 내지 제 16 항 중 어느 한 항에 따라 제조된 금속 치환 메조포러스 금속산화물 박막을 채용한 가스센서.
- 제 17 항에 있어서, 상기 센서는 일산화탄소, 메탄, 수소, 액화석유가스, 에탄올, 이산화탄소 및 이산화질소 검출용인 것임을 특징으로 하는 가스센서.
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