KR101280055B1 - 이산화티타늄이 코팅된 산화마그네슘 나노로드의 제조방법 및 이에 따라 제조되는 코어―셀 구조의 이산화티타늄―산화마그네슘 나노로드 - Google Patents
이산화티타늄이 코팅된 산화마그네슘 나노로드의 제조방법 및 이에 따라 제조되는 코어―셀 구조의 이산화티타늄―산화마그네슘 나노로드 Download PDFInfo
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- KR101280055B1 KR101280055B1 KR1020110011024A KR20110011024A KR101280055B1 KR 101280055 B1 KR101280055 B1 KR 101280055B1 KR 1020110011024 A KR1020110011024 A KR 1020110011024A KR 20110011024 A KR20110011024 A KR 20110011024A KR 101280055 B1 KR101280055 B1 KR 101280055B1
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- magnesium oxide
- titanium dioxide
- coated
- oxide nanorods
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- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 title claims abstract description 172
- 239000002073 nanorod Substances 0.000 title claims abstract description 91
- 238000000034 method Methods 0.000 title claims description 21
- 238000002360 preparation method Methods 0.000 title description 3
- 239000011258 core-shell material Substances 0.000 title 1
- AXZKOIWUVFPNLO-UHFFFAOYSA-N magnesium;oxygen(2-) Chemical compound [O-2].[Mg+2] AXZKOIWUVFPNLO-UHFFFAOYSA-N 0.000 claims abstract description 92
- CPLXHLVBOLITMK-UHFFFAOYSA-N magnesium oxide Inorganic materials [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 claims abstract description 91
- 239000000395 magnesium oxide Substances 0.000 claims abstract description 91
- 239000004408 titanium dioxide Substances 0.000 claims abstract description 81
- 238000000576 coating method Methods 0.000 claims abstract description 18
- 239000011777 magnesium Substances 0.000 claims abstract description 18
- XSETZKVZGUWPFM-UHFFFAOYSA-N magnesium;oxygen(2-);titanium(4+) Chemical compound [O-2].[O-2].[O-2].[Mg+2].[Ti+4] XSETZKVZGUWPFM-UHFFFAOYSA-N 0.000 claims abstract description 18
- 239000011248 coating agent Substances 0.000 claims abstract description 16
- 229910052749 magnesium Inorganic materials 0.000 claims abstract description 16
- 239000002243 precursor Substances 0.000 claims abstract description 14
- 238000004519 manufacturing process Methods 0.000 claims abstract description 13
- 238000001816 cooling Methods 0.000 claims abstract description 6
- -1 magnesium nitride Chemical class 0.000 claims description 16
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 10
- 238000005229 chemical vapour deposition Methods 0.000 claims description 10
- 239000010931 gold Substances 0.000 claims description 10
- 125000002524 organometallic group Chemical group 0.000 claims description 10
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 7
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 claims description 7
- 229910052737 gold Inorganic materials 0.000 claims description 7
- 239000001301 oxygen Substances 0.000 claims description 7
- 229910052760 oxygen Inorganic materials 0.000 claims description 7
- 239000000843 powder Substances 0.000 claims description 7
- 239000003054 catalyst Substances 0.000 claims description 4
- 238000010438 heat treatment Methods 0.000 claims description 4
- 229910052719 titanium Inorganic materials 0.000 claims description 4
- 239000010936 titanium Substances 0.000 claims description 4
- 229910052757 nitrogen Inorganic materials 0.000 claims description 3
- 238000010494 dissociation reaction Methods 0.000 claims description 2
- 230000005593 dissociations Effects 0.000 claims description 2
- 238000003475 lamination Methods 0.000 claims description 2
- 238000003980 solgel method Methods 0.000 claims description 2
- 238000004544 sputter deposition Methods 0.000 claims description 2
- 238000002488 metal-organic chemical vapour deposition Methods 0.000 claims 1
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 abstract description 4
- 230000003647 oxidation Effects 0.000 abstract 1
- 238000007254 oxidation reaction Methods 0.000 abstract 1
- 229960005196 titanium dioxide Drugs 0.000 description 71
- 238000005424 photoluminescence Methods 0.000 description 17
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 13
- 239000011162 core material Substances 0.000 description 12
- 239000002086 nanomaterial Substances 0.000 description 11
- 238000006243 chemical reaction Methods 0.000 description 9
- 238000010586 diagram Methods 0.000 description 9
- 235000012239 silicon dioxide Nutrition 0.000 description 9
- 239000000969 carrier Substances 0.000 description 8
- 239000002070 nanowire Substances 0.000 description 8
- VXUYXOFXAQZZMF-UHFFFAOYSA-N titanium(IV) isopropoxide Chemical compound CC(C)O[Ti](OC(C)C)(OC(C)C)OC(C)C VXUYXOFXAQZZMF-UHFFFAOYSA-N 0.000 description 8
- 230000015572 biosynthetic process Effects 0.000 description 7
- 230000007246 mechanism Effects 0.000 description 7
- 230000003287 optical effect Effects 0.000 description 7
- 239000010453 quartz Substances 0.000 description 6
- 239000010410 layer Substances 0.000 description 5
- 238000000103 photoluminescence spectrum Methods 0.000 description 5
- MYMOFIZGZYHOMD-UHFFFAOYSA-N Dioxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 description 4
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 description 4
- 230000007547 defect Effects 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 239000007789 gas Substances 0.000 description 4
- 239000000758 substrate Substances 0.000 description 4
- OGIDPMRJRNCKJF-UHFFFAOYSA-N titanium oxide Inorganic materials [Ti]=O OGIDPMRJRNCKJF-UHFFFAOYSA-N 0.000 description 4
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 3
- 239000011247 coating layer Substances 0.000 description 3
- 239000013078 crystal Substances 0.000 description 3
- 229910001882 dioxygen Inorganic materials 0.000 description 3
- 238000002524 electron diffraction data Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 230000006798 recombination Effects 0.000 description 3
- 238000005215 recombination Methods 0.000 description 3
- 239000004065 semiconductor Substances 0.000 description 3
- 229910052710 silicon Inorganic materials 0.000 description 3
- 239000010703 silicon Substances 0.000 description 3
- 239000000377 silicon dioxide Substances 0.000 description 3
- 239000007787 solid Substances 0.000 description 3
- 238000003860 storage Methods 0.000 description 3
- 239000010409 thin film Substances 0.000 description 3
- 241000394591 Hybanthus Species 0.000 description 2
- 244000154870 Viola adunca Species 0.000 description 2
- 235000005811 Viola adunca Nutrition 0.000 description 2
- 235000013487 Viola odorata Nutrition 0.000 description 2
- 235000002254 Viola papilionacea Nutrition 0.000 description 2
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 2
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- YHWCPXVTRSHPNY-UHFFFAOYSA-N butan-1-olate;titanium(4+) Chemical compound [Ti+4].CCCC[O-].CCCC[O-].CCCC[O-].CCCC[O-] YHWCPXVTRSHPNY-UHFFFAOYSA-N 0.000 description 2
- 230000000052 comparative effect Effects 0.000 description 2
- 230000005516 deep trap Effects 0.000 description 2
- 238000000151 deposition Methods 0.000 description 2
- 229910001873 dinitrogen Inorganic materials 0.000 description 2
- 238000009826 distribution Methods 0.000 description 2
- 239000010408 film Substances 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 238000004020 luminiscence type Methods 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 239000011259 mixed solution Substances 0.000 description 2
- 239000002074 nanoribbon Substances 0.000 description 2
- 230000002093 peripheral effect Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 239000012495 reaction gas Substances 0.000 description 2
- 238000001878 scanning electron micrograph Methods 0.000 description 2
- 238000001228 spectrum Methods 0.000 description 2
- 238000003786 synthesis reaction Methods 0.000 description 2
- 230000037303 wrinkles Effects 0.000 description 2
- 239000011701 zinc Substances 0.000 description 2
- 229910052725 zinc Inorganic materials 0.000 description 2
- 239000011787 zinc oxide Substances 0.000 description 2
- NQTSTBMCCAVWOS-UHFFFAOYSA-N 1-dimethoxyphosphoryl-3-phenoxypropan-2-one Chemical compound COP(=O)(OC)CC(=O)COC1=CC=CC=C1 NQTSTBMCCAVWOS-UHFFFAOYSA-N 0.000 description 1
- SPAGIJMPHSUYSE-UHFFFAOYSA-N Magnesium peroxide Chemical compound [Mg+2].[O-][O-] SPAGIJMPHSUYSE-UHFFFAOYSA-N 0.000 description 1
- 229910004298 SiO 2 Inorganic materials 0.000 description 1
- 238000003917 TEM image Methods 0.000 description 1
- 241001455273 Tetrapoda Species 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000007792 gaseous phase Substances 0.000 description 1
- LQHZJYFIRFRDKF-UHFFFAOYSA-N gold magnesium Chemical compound [Mg].[Au] LQHZJYFIRFRDKF-UHFFFAOYSA-N 0.000 description 1
- 238000000024 high-resolution transmission electron micrograph Methods 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 239000002127 nanobelt Substances 0.000 description 1
- 239000002159 nanocrystal Substances 0.000 description 1
- 239000002071 nanotube Substances 0.000 description 1
- 230000005693 optoelectronics Effects 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 230000035484 reaction time Effects 0.000 description 1
- 230000009257 reactivity Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000004626 scanning electron microscopy Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 239000012798 spherical particle Substances 0.000 description 1
- 238000012916 structural analysis Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000001308 synthesis method Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 238000004627 transmission electron microscopy Methods 0.000 description 1
- 238000000991 transmission electron microscopy selected area electron diffraction Methods 0.000 description 1
- 238000000101 transmission high energy electron diffraction Methods 0.000 description 1
Images
Classifications
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- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01F—COMPOUNDS OF THE METALS BERYLLIUM, MAGNESIUM, ALUMINIUM, CALCIUM, STRONTIUM, BARIUM, RADIUM, THORIUM, OR OF THE RARE-EARTH METALS
- C01F5/00—Compounds of magnesium
- C01F5/02—Magnesia
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B82—NANOTECHNOLOGY
- B82Y—SPECIFIC USES OR APPLICATIONS OF NANOSTRUCTURES; MEASUREMENT OR ANALYSIS OF NANOSTRUCTURES; MANUFACTURE OR TREATMENT OF NANOSTRUCTURES
- B82Y30/00—Nanotechnology for materials or surface science, e.g. nanocomposites
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B82—NANOTECHNOLOGY
- B82Y—SPECIFIC USES OR APPLICATIONS OF NANOSTRUCTURES; MEASUREMENT OR ANALYSIS OF NANOSTRUCTURES; MANUFACTURE OR TREATMENT OF NANOSTRUCTURES
- B82Y40/00—Manufacture or treatment of nanostructures
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
- C01G23/00—Compounds of titanium
- C01G23/04—Oxides; Hydroxides
- C01G23/047—Titanium dioxide
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2004/00—Particle morphology
- C01P2004/10—Particle morphology extending in one dimension, e.g. needle-like
- C01P2004/16—Nanowires or nanorods, i.e. solid nanofibres with two nearly equal dimensions between 1-100 nanometer
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2004/00—Particle morphology
- C01P2004/60—Particles characterised by their size
- C01P2004/64—Nanometer sized, i.e. from 1-100 nanometer
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Organic Chemistry (AREA)
- Nanotechnology (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- Inorganic Chemistry (AREA)
- Physics & Mathematics (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Physics & Mathematics (AREA)
- Crystallography & Structural Chemistry (AREA)
- Geology (AREA)
- Environmental & Geological Engineering (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Composite Materials (AREA)
- Materials Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Inorganic Compounds Of Heavy Metals (AREA)
Abstract
Description
도 2는 본 발명에 따른 코어-셀 구조의 이산화티타늄-산화마그네슘 나노로드를 나타낸 모식도이고;
도 3은 본 발명에 따른 이산화티타늄-산화마그네슘 나노로드를 제조하기 위한 사용되는 유기금속 화학기상증착 장치를 나타낸 모식도이고;
도 4는 본 발명에 따른 이산화티타늄-산화마그네슘 나노로드의 주사전자현미경, 투과전자현미경 및 전자회절패턴 사진이고; 및
도 5는 본 발명에 따른 이산화티타늄-산화마그네슘 나노로드의 광발광 스펙트럼이다.
3: 석영관 4: 산소가스 저장탱크
5: 이산화티타늄 전구체 저장탱크 6: 질소가스 저장탱크
Claims (10)
- 질화마그네슘 분말을 열기화시킨 후 상온으로 냉각하여 산화마그네슘 나노로드를 제조하는 단계(단계 1); 및
상기 단계 1에서 제조된 산화마그네슘 나노로드에 이산화티타늄 전구체를 사용하여 이산화티타늄을 코팅시키는 단계(단계 2);를 포함하는 이산화티타늄이 코팅된 산화마그네슘 나노로드의 제조방법.
- 제1항에 있어서, 상기 단계 1의 열기화는 질소 및 산소 분위기에서 800∼1000 ℃, 90∼150 분 동안 수행하는 것을 특징으로 하는 이산화티타늄이 코팅된 산화마그네슘 나노로드의 제조방법.
- 제1항에 있어서, 상기 단계 1에서 금(Au)을 추가적으로 포함하여 촉매로 사용하는 것을 특징으로 하는 이산화티타늄이 코팅된 산화마그네슘 나노로드의 제조방법.
- 제1항에 있어서, 상기 단계 2의 이산화티타늄 전구체는 티타늄 알콕사이드(titanium alkoxide)인 것을 특징으로 하는 이산화티타늄이 코팅된 산화마그네슘 나노로드의 제조방법.
- 제1항에 있어서, 상기 단계 2의 코팅은 졸-겔법, 가열법, 용액법, 유기금속화학증착법, 원자적층법 또는 스퍼터링법인 것을 특징으로 하는 이산화티타늄이 코팅된 산화마그네슘 나노로드의 제조방법.
- 제1항에 있어서, 상기 단계 2의 코팅은 유기금속 화학기상증착법(MOCVD)을 이용하여 300∼400 ℃에서 1.5∼2.5 시간 동안 수행하는 것을 특징으로 하는 이산화티타늄이 코팅된 산화마그네슘 나노로드의 제조방법.
- 제1항에 있어서, 상기 단계 2에서 이산화티타늄 전구체의 해리작용을 위해 산소를 추가적으로 공급하는 것을 특징으로 하는 이산화티타늄이 코팅된 산화마그네슘 나노로드의 제조방법.
- 직사각기둥 형상의 산화마그네슘이 형성된 중심부(core)와 상기 중심부의 외주면에 이산화티타늄이 코팅된 것으로서, 산화마그네슘의 폭이 60 내지 140 nm이며, 상기 이산화티타늄의 두께는 10 내지 20 nm인 것을 특징으로 하는 코어-셀 구조의 이산화티타늄-산화마그네슘 나노로드.
- 삭제
- 제8항에 있어서, 상기 이산화티타늄-산화마그네슘 나노로드는 청색-녹색 발광강도가 주황색 발광을 나타내는 산화마그네슘 나노로드의 발광강도보다 220배까지 향상되는 것을 특징으로 하는 코어-셀 구조의 이산화티타늄-산화마그네슘 나노로드.
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J. Kor. Phys. Soc. 2006, 49(1), pp. 241-245 * |
Surface & Coatings Technology 2008, 202, pp. 2503-2508 * |
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