KR100666477B1 - 산화티타늄 나노로드 및 그의 제조방법 - Google Patents
산화티타늄 나노로드 및 그의 제조방법 Download PDFInfo
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- KR100666477B1 KR100666477B1 KR1020050052077A KR20050052077A KR100666477B1 KR 100666477 B1 KR100666477 B1 KR 100666477B1 KR 1020050052077 A KR1020050052077 A KR 1020050052077A KR 20050052077 A KR20050052077 A KR 20050052077A KR 100666477 B1 KR100666477 B1 KR 100666477B1
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- titanium oxide
- polymer
- nanorods
- composite fiber
- fiber
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- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 title claims abstract description 94
- 239000002073 nanorod Substances 0.000 title claims abstract description 63
- 238000000034 method Methods 0.000 title claims abstract description 34
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 15
- 239000004408 titanium dioxide Substances 0.000 title 1
- OGIDPMRJRNCKJF-UHFFFAOYSA-N titanium oxide Inorganic materials [Ti]=O OGIDPMRJRNCKJF-UHFFFAOYSA-N 0.000 claims abstract description 89
- 239000000835 fiber Substances 0.000 claims abstract description 60
- 229920000642 polymer Polymers 0.000 claims abstract description 31
- 238000001523 electrospinning Methods 0.000 claims abstract description 26
- 239000002243 precursor Substances 0.000 claims abstract description 22
- 239000002131 composite material Substances 0.000 claims abstract description 17
- 239000013078 crystal Substances 0.000 claims abstract description 12
- 238000005191 phase separation Methods 0.000 claims abstract description 10
- 229920001410 Microfiber Polymers 0.000 claims abstract description 8
- 239000011259 mixed solution Substances 0.000 claims abstract description 8
- 239000002904 solvent Substances 0.000 claims abstract description 8
- 239000002861 polymer material Substances 0.000 claims abstract description 3
- 238000009987 spinning Methods 0.000 claims description 22
- 239000000758 substrate Substances 0.000 claims description 22
- 229920002689 polyvinyl acetate Polymers 0.000 claims description 19
- 239000011118 polyvinyl acetate Substances 0.000 claims description 18
- 239000011521 glass Substances 0.000 claims description 6
- 229910052751 metal Inorganic materials 0.000 claims description 5
- 239000002184 metal Substances 0.000 claims description 5
- 229920003023 plastic Polymers 0.000 claims description 4
- 229920003171 Poly (ethylene oxide) Polymers 0.000 claims description 2
- 239000004372 Polyvinyl alcohol Substances 0.000 claims description 2
- 230000009477 glass transition Effects 0.000 claims description 2
- 229920002451 polyvinyl alcohol Polymers 0.000 claims description 2
- 229920000036 polyvinylpyrrolidone Polymers 0.000 claims description 2
- 239000001267 polyvinylpyrrolidone Substances 0.000 claims description 2
- 235000013855 polyvinylpyrrolidone Nutrition 0.000 claims description 2
- 239000011941 photocatalyst Substances 0.000 abstract description 7
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 abstract description 5
- 239000010936 titanium Substances 0.000 abstract description 5
- 229910052719 titanium Inorganic materials 0.000 abstract description 5
- 239000000243 solution Substances 0.000 description 22
- 238000006243 chemical reaction Methods 0.000 description 12
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 description 9
- 238000010438 heat treatment Methods 0.000 description 9
- ZMXDDKWLCZADIW-UHFFFAOYSA-N N,N-Dimethylformamide Chemical compound CN(C)C=O ZMXDDKWLCZADIW-UHFFFAOYSA-N 0.000 description 8
- 239000002245 particle Substances 0.000 description 8
- 239000002105 nanoparticle Substances 0.000 description 7
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 6
- 239000004793 Polystyrene Substances 0.000 description 6
- 229920002223 polystyrene Polymers 0.000 description 5
- 239000000843 powder Substances 0.000 description 5
- HKJYVRJHDIPMQB-UHFFFAOYSA-N propan-1-olate;titanium(4+) Chemical compound CCCO[Ti](OCCC)(OCCC)OCCC HKJYVRJHDIPMQB-UHFFFAOYSA-N 0.000 description 5
- 238000001878 scanning electron micrograph Methods 0.000 description 5
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 4
- 238000001879 gelation Methods 0.000 description 4
- 229910052809 inorganic oxide Inorganic materials 0.000 description 4
- 238000002360 preparation method Methods 0.000 description 4
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 3
- 230000000052 comparative effect Effects 0.000 description 3
- 238000002003 electron diffraction Methods 0.000 description 3
- 239000010408 film Substances 0.000 description 3
- 238000001000 micrograph Methods 0.000 description 3
- 239000003054 catalyst Substances 0.000 description 2
- 239000007809 chemical reaction catalyst Substances 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000001035 drying Methods 0.000 description 2
- 239000012046 mixed solvent Substances 0.000 description 2
- 239000004033 plastic Substances 0.000 description 2
- 239000004094 surface-active agent Substances 0.000 description 2
- 239000000725 suspension Substances 0.000 description 2
- 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 2
- 238000005406 washing Methods 0.000 description 2
- QTBSBXVTEAMEQO-UHFFFAOYSA-M Acetate Chemical compound CC([O-])=O QTBSBXVTEAMEQO-UHFFFAOYSA-M 0.000 description 1
- 102000009123 Fibrin Human genes 0.000 description 1
- 108010073385 Fibrin Proteins 0.000 description 1
- BWGVNKXGVNDBDI-UHFFFAOYSA-N Fibrin monomer Chemical compound CNC(=O)CNC(=O)CN BWGVNKXGVNDBDI-UHFFFAOYSA-N 0.000 description 1
- 238000003917 TEM image Methods 0.000 description 1
- 238000002441 X-ray diffraction Methods 0.000 description 1
- 239000003377 acid catalyst Substances 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 239000011230 binding agent Substances 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 239000002537 cosmetic Substances 0.000 description 1
- -1 detrahydrofuran Chemical compound 0.000 description 1
- 230000005684 electric field Effects 0.000 description 1
- 239000007772 electrode material Substances 0.000 description 1
- 229950003499 fibrin Drugs 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 239000012702 metal oxide precursor Substances 0.000 description 1
- 239000000693 micelle Substances 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000002071 nanotube Substances 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 239000005416 organic matter Substances 0.000 description 1
- SOQBVABWOPYFQZ-UHFFFAOYSA-N oxygen(2-);titanium(4+) Chemical class [O-2].[O-2].[Ti+4] SOQBVABWOPYFQZ-UHFFFAOYSA-N 0.000 description 1
- 238000001782 photodegradation Methods 0.000 description 1
- 239000000049 pigment Substances 0.000 description 1
- 239000002985 plastic film Substances 0.000 description 1
- 229920002959 polymer blend Polymers 0.000 description 1
- 230000001376 precipitating effect Effects 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 238000000197 pyrolysis Methods 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 239000012703 sol-gel precursor Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000007614 solvation Methods 0.000 description 1
- 239000010409 thin film Substances 0.000 description 1
- 238000002525 ultrasonication Methods 0.000 description 1
- 229920002554 vinyl polymer Polymers 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
- D01F9/00—Artificial filaments or the like of other substances; Manufacture thereof; Apparatus specially adapted for the manufacture of carbon filaments
- D01F9/08—Artificial filaments or the like of other substances; Manufacture thereof; Apparatus specially adapted for the manufacture of carbon filaments of inorganic material
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09C—TREATMENT OF INORGANIC MATERIALS, OTHER THAN FIBROUS FILLERS, TO ENHANCE THEIR PIGMENTING OR FILLING PROPERTIES ; PREPARATION OF CARBON BLACK ; PREPARATION OF INORGANIC MATERIALS WHICH ARE NO SINGLE CHEMICAL COMPOUNDS AND WHICH ARE MAINLY USED AS PIGMENTS OR FILLERS
- C09C1/00—Treatment of specific inorganic materials other than fibrous fillers; Preparation of carbon black
- C09C1/36—Compounds of titanium
-
- 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
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- C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
- C01G23/00—Compounds of titanium
- C01G23/04—Oxides; Hydroxides
- C01G23/047—Titanium dioxide
-
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- 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
- C01G23/053—Producing by wet processes, e.g. hydrolysing titanium salts
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- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/622—Forming processes; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/62227—Forming processes; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products obtaining fibres
- C04B35/62231—Forming processes; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products obtaining fibres based on oxide ceramics
- C04B35/62259—Fibres based on titanium oxide
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- C04B35/622—Forming processes; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/626—Preparing or treating the powders individually or as batches ; preparing or treating macroscopic reinforcing agents for ceramic products, e.g. fibres; mechanical aspects section B
- C04B35/63—Preparing or treating the powders individually or as batches ; preparing or treating macroscopic reinforcing agents for ceramic products, e.g. fibres; mechanical aspects section B using additives specially adapted for forming the products, e.g.. binder binders
- C04B35/632—Organic additives
- C04B35/634—Polymers
- C04B35/63404—Polymers obtained by reactions only involving carbon-to-carbon unsaturated bonds
- C04B35/63416—Polyvinylalcohols [PVA]; Polyvinylacetates
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- C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
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- D01D5/00—Formation of filaments, threads, or the like
- D01D5/0007—Electro-spinning
- D01D5/0015—Electro-spinning characterised by the initial state of the material
- D01D5/003—Electro-spinning characterised by the initial state of the material the material being a polymer solution or dispersion
- D01D5/0038—Electro-spinning characterised by the initial state of the material the material being a polymer solution or dispersion the fibre formed by solvent evaporation, i.e. dry electro-spinning
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- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
- C04B2235/30—Constituents and secondary phases not being of a fibrous nature
- C04B2235/44—Metal salt constituents or additives chosen for the nature of the anions, e.g. hydrides or acetylacetonate
- C04B2235/441—Alkoxides, e.g. methoxide, tert-butoxide
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE
- H01G9/00—Electrolytic capacitors, rectifiers, detectors, switching devices, light-sensitive or temperature-sensitive devices; Processes of their manufacture
- H01G9/20—Light-sensitive devices
- H01G9/2027—Light-sensitive devices comprising an oxide semiconductor electrode
- H01G9/2031—Light-sensitive devices comprising an oxide semiconductor electrode comprising titanium oxide, e.g. TiO2
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- H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE
- H01G9/00—Electrolytic capacitors, rectifiers, detectors, switching devices, light-sensitive or temperature-sensitive devices; Processes of their manufacture
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- H01G9/2059—Light-sensitive devices comprising an organic dye as the active light absorbing material, e.g. adsorbed on an electrode or dissolved in solution
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Abstract
Description
Claims (12)
- 산화티타늄 전구체와, 상기 전구체와 상용성인 고분자, 및 용매를 포함하는 혼합 용액을 준비하고,상기 혼합 용액을 방사하여 상기 산화티타늄 전구체와 고분자간의 상분리에 의하여 내부에 미세한 섬유소가 포함된 산화티타늄 고분자 복합섬유를 형성하며,상기 복합섬유를 열압착하여 상기 섬유소들이 분리되어 산화티타늄 나노로드의 집합체가 형성되고,상기 산화티타늄 나노로드의 집합체를 열처리하여 상기 복합섬유에서 상기 고분자 물질을 제거하는 것을 포함하는산화티타늄 나노로드 제조 방법.
- 제1항에 있어서, 상기 혼합 용액은 전기방사에 의하여 방사되는 산화티타늄 나노로드 제조 방법.
- 제2항에 있어서, 상기 초극세 섬유는 접지된 금속판, ITO 또는 FTO 투명전도성 유리기판 또는 투명플라스틱 기판에 적층되는 산화티타늄 나노로드 제조 방법.
- 제1항에 있어서, 상기 섬유소는 상기 복합 섬유의 섬유 축 방향으로 배향되는 산화티타늄 나노로드 제조 방법.
- 제1항에 있어서, 상기 산화티타늄 나노로드는 산화티타늄 단결정으로 이루어지는 산화티타늄 나노로드 제조 방법.
- 제1항에 있어서, 상기 고분자는 폴리비닐아세테이트, 폴리비닐피롤리돈, 폴리비닐알콜, 폴리에틸렌옥시드 중에서 선택되는 어느 하나 이상인 산화티타늄 나노로드 제조 방법.
- 제1항에 있어서, 상기 열압착 단계는 상기 고분자의 유리전이온도 이상에서 압력을 가하여 수행하는 산화티타늄 나노로드 제조 방법.
- 제1항에 있어서, 상기 혼합 용액은 멜트블로운법(melt-blown), 플레쉬방사 (Flash spinning), 또는 정전멜트블로운법(electrostatic-melt blown)을 이용하여 방사되는 산화티타늄 나노로드 제조 방법.
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Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020050052077A KR100666477B1 (ko) | 2005-06-16 | 2005-06-16 | 산화티타늄 나노로드 및 그의 제조방법 |
JP2006165461A JP4607825B2 (ja) | 2005-06-16 | 2006-06-15 | 酸化チタンナノロッド及びその製造方法 |
US11/454,205 US20070116640A1 (en) | 2005-06-16 | 2006-06-15 | Titanium dioxide nanorod and preparation method thereof |
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KR1020050052077A KR100666477B1 (ko) | 2005-06-16 | 2005-06-16 | 산화티타늄 나노로드 및 그의 제조방법 |
Publications (2)
Publication Number | Publication Date |
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KR20060131552A KR20060131552A (ko) | 2006-12-20 |
KR100666477B1 true KR100666477B1 (ko) | 2007-01-11 |
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Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
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KR101013155B1 (ko) | 2007-08-03 | 2011-02-10 | 한국기계연구원 | 전도성 고분자 투명전극을 이용한 유기 태양전지 및 그제조 방법 |
KR100921476B1 (ko) * | 2007-08-29 | 2009-10-13 | 한국과학기술연구원 | 전기방사에 의한 금속산화물 나노입자를 포함하는금속산화물층을 구비한 염료감응형 태양전지 및 그 제조방법 |
CN101399122B (zh) * | 2007-08-29 | 2011-08-17 | 韩国科学技术研究院 | 具有金属氧化物层的染料敏化太阳能电池及其制造方法 |
KR100943704B1 (ko) | 2007-12-27 | 2010-02-23 | 황민선 | 전파흡수재료, 이를 포함하는 전파흡수체 및 그 제조방법 |
US9309405B2 (en) | 2010-01-15 | 2016-04-12 | Samsung Electronics Co., Ltd. | Nanofiber-nanowire composite and fabrication method thereof |
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KR20060131552A (ko) | 2006-12-20 |
JP2007009398A (ja) | 2007-01-18 |
US20070116640A1 (en) | 2007-05-24 |
JP4607825B2 (ja) | 2011-01-05 |
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