KR101125170B1 - 금속산화물 나노입자를 이용한 가스센서 및 그 제조방법 - Google Patents
금속산화물 나노입자를 이용한 가스센서 및 그 제조방법 Download PDFInfo
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- KR101125170B1 KR101125170B1 KR20090038043A KR20090038043A KR101125170B1 KR 101125170 B1 KR101125170 B1 KR 101125170B1 KR 20090038043 A KR20090038043 A KR 20090038043A KR 20090038043 A KR20090038043 A KR 20090038043A KR 101125170 B1 KR101125170 B1 KR 101125170B1
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- Prior art keywords
- sensor
- metal oxide
- gas sensor
- substrate
- nanoparticles
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- 239000002105 nanoparticle Substances 0.000 title claims abstract description 139
- 150000004706 metal oxides Chemical class 0.000 title claims abstract description 72
- 229910044991 metal oxide Inorganic materials 0.000 title claims abstract description 71
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 39
- 238000000034 method Methods 0.000 title claims description 55
- 239000000758 substrate Substances 0.000 claims abstract description 65
- 239000000463 material Substances 0.000 claims abstract description 48
- 239000000243 solution Substances 0.000 claims abstract description 34
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- 238000002347 injection Methods 0.000 claims abstract description 14
- 239000007924 injection Substances 0.000 claims abstract description 14
- XLOMVQKBTHCTTD-UHFFFAOYSA-N zinc oxide Inorganic materials [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 claims description 49
- 238000010438 heat treatment Methods 0.000 claims description 45
- 239000007921 spray Substances 0.000 claims description 21
- 229910006404 SnO 2 Inorganic materials 0.000 claims description 19
- 239000002904 solvent Substances 0.000 claims description 13
- ZMXDDKWLCZADIW-UHFFFAOYSA-N N,N-Dimethylformamide Chemical compound CN(C)C=O ZMXDDKWLCZADIW-UHFFFAOYSA-N 0.000 claims description 12
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 10
- 229910002367 SrTiO Inorganic materials 0.000 claims description 9
- 239000010931 gold Substances 0.000 claims description 9
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 claims description 8
- -1 detrahydrofuran Chemical compound 0.000 claims description 7
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical group [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 claims description 7
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 claims description 6
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 claims description 6
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims description 6
- KDLHZDBZIXYQEI-UHFFFAOYSA-N Palladium Chemical compound [Pd] KDLHZDBZIXYQEI-UHFFFAOYSA-N 0.000 claims description 6
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 claims description 6
- 239000010936 titanium Substances 0.000 claims description 6
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 claims description 5
- 229910010413 TiO 2 Inorganic materials 0.000 claims description 5
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims description 5
- 229910052709 silver Inorganic materials 0.000 claims description 5
- 239000004332 silver Substances 0.000 claims description 5
- 229910001220 stainless steel Inorganic materials 0.000 claims description 5
- 239000010935 stainless steel Substances 0.000 claims description 5
- WYTZZXDRDKSJID-UHFFFAOYSA-N (3-aminopropyl)triethoxysilane Chemical compound CCO[Si](OCC)(OCC)CCCN WYTZZXDRDKSJID-UHFFFAOYSA-N 0.000 claims description 4
- 229910018072 Al 2 O 3 Inorganic materials 0.000 claims description 4
- LZZYPRNAOMGNLH-UHFFFAOYSA-M Cetrimonium bromide Chemical compound [Br-].CCCCCCCCCCCCCCCC[N+](C)(C)C LZZYPRNAOMGNLH-UHFFFAOYSA-M 0.000 claims description 4
- LRHPLDYGYMQRHN-UHFFFAOYSA-N N-Butanol Chemical compound CCCCO LRHPLDYGYMQRHN-UHFFFAOYSA-N 0.000 claims description 4
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims description 4
- 239000011651 chromium Substances 0.000 claims description 4
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- 238000007906 compression Methods 0.000 claims description 4
- 239000010949 copper Substances 0.000 claims description 4
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 claims description 4
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- 229920000036 polyvinylpyrrolidone Polymers 0.000 claims description 4
- 239000001267 polyvinylpyrrolidone Substances 0.000 claims description 4
- 235000013855 polyvinylpyrrolidone Nutrition 0.000 claims description 4
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 3
- 238000000151 deposition Methods 0.000 claims description 3
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- 238000004110 electrostatic spray deposition (ESD) technique Methods 0.000 claims description 3
- 238000003825 pressing Methods 0.000 claims description 3
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 claims description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 2
- 229920001665 Poly-4-vinylphenol Polymers 0.000 claims description 2
- KJTLSVCANCCWHF-UHFFFAOYSA-N Ruthenium Chemical compound [Ru] KJTLSVCANCCWHF-UHFFFAOYSA-N 0.000 claims description 2
- 229910004298 SiO 2 Inorganic materials 0.000 claims description 2
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims description 2
- 239000013504 Triton X-100 Substances 0.000 claims description 2
- 229920004890 Triton X-100 Polymers 0.000 claims description 2
- 229910052782 aluminium Inorganic materials 0.000 claims description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 2
- 239000000919 ceramic Substances 0.000 claims description 2
- 229910052804 chromium Inorganic materials 0.000 claims description 2
- 229910052802 copper Inorganic materials 0.000 claims description 2
- 229910052741 iridium Inorganic materials 0.000 claims description 2
- GKOZUEZYRPOHIO-UHFFFAOYSA-N iridium atom Chemical compound [Ir] GKOZUEZYRPOHIO-UHFFFAOYSA-N 0.000 claims description 2
- 229910052759 nickel Inorganic materials 0.000 claims description 2
- 229910052763 palladium Inorganic materials 0.000 claims description 2
- 229910052697 platinum Inorganic materials 0.000 claims description 2
- BDERNNFJNOPAEC-UHFFFAOYSA-N propan-1-ol Chemical compound CCCO BDERNNFJNOPAEC-UHFFFAOYSA-N 0.000 claims description 2
- 239000013557 residual solvent Substances 0.000 claims description 2
- 229910052707 ruthenium Inorganic materials 0.000 claims description 2
- 229910052710 silicon Inorganic materials 0.000 claims description 2
- 239000010703 silicon Substances 0.000 claims description 2
- 229910052814 silicon oxide Inorganic materials 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
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- 239000010937 tungsten Substances 0.000 claims description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 2
- KFZMGEQAYNKOFK-UHFFFAOYSA-N Isopropanol Chemical compound CC(C)O KFZMGEQAYNKOFK-UHFFFAOYSA-N 0.000 claims 6
- 230000035945 sensitivity Effects 0.000 abstract description 8
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- XOLBLPGZBRYERU-UHFFFAOYSA-N tin dioxide Chemical compound O=[Sn]=O XOLBLPGZBRYERU-UHFFFAOYSA-N 0.000 description 35
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- 229910002089 NOx Inorganic materials 0.000 description 4
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- 230000007613 environmental effect Effects 0.000 description 4
- 229910052739 hydrogen Inorganic materials 0.000 description 4
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- 229910052760 oxygen Inorganic materials 0.000 description 4
- 238000004549 pulsed laser deposition Methods 0.000 description 4
- 238000009826 distribution Methods 0.000 description 3
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- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
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- VONWDASPFIQPDY-UHFFFAOYSA-N dimethyl methylphosphonate Chemical compound COP(C)(=O)OC VONWDASPFIQPDY-UHFFFAOYSA-N 0.000 description 2
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- G01N27/02—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance
- G01N27/04—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating resistance
- G01N27/12—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating resistance of a solid body in dependence upon absorption of a fluid; of a solid body in dependence upon reaction with a fluid, for detecting components in the fluid
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- B05B5/025—Discharge apparatus, e.g. electrostatic spray guns
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- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
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- C—CHEMISTRY; METALLURGY
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- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
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- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
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- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
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- B—PERFORMING OPERATIONS; TRANSPORTING
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- B82Y15/00—Nanotechnology for interacting, sensing or actuating, e.g. quantum dots as markers in protein assays or molecular motors
Abstract
Description
Claims (18)
- 전극이 형성된 센서기판, 및상기 전극이 형성된 센서기판 상에 금속산화물 나노입자가 분산된 용액을 정전기력에 의한 분사 과정(Electrostatic Spray Deposition)에 의해 분사함으로써, 금속산화물 나노입자가 정전기적인 힘에 의해 센서기판에 증착되어 형성된 박층의 센서소재를 포함하는 가스센서.
- 청구항 1에 있어서,상기 금속산화물 나노입자의 평균 직경은 5~200 nm인 것을 특징으로 하는 가스센서.
- 청구항 1에 있어서,상기 금속산화물 나노입자는 그레인(grain) 또는 로드(rod) 형상인 것을 특징으로 하는 가스센서.
- 청구항 1에 있어서,상기 금속산화물 나노입자는 SnO2, TiO2, ZnO, VO2, In2O3, NiO, MoO3, SrTiO3, Fe 도프(doped) SrTiO3, Fe2O3, WO3 및 CuO 나노입자로 이루어진 군으로부터 선택된 1종 이상의 것으로 구성되는 것임을 특징으로 하는 가스센서.
- 청구항 1에 있어서,상기 전극은 백금(Pt), 금(Au), 팔라듐(Pd), 이리듐(Ir), 은(Ag), 루테늄(Ru), 니켈(Ni), 스테인리스 스틸(STS), 알루미늄(Al), 몰리브데늄(Mo), 크롬(Cr), 구리(Cu), 티타늄(Ti), 텅스텐(W), ITO(Sn doped In2O3) 및 FTO(F doped SnO2)로 이루어진 군으로부터 선택되는 1종 이상의 것으로 구성되며, 상기 센서기판은 세라믹 기판, 알루미나(Al2O3)기판, 절연층이 증착되어진 실리콘(Si) 기판 또는 실리콘옥사이드(SiO2) 기판인 것을 특징으로 하는 가스센서.
- 청구항 1에 있어서,상기 센서기판은 2개 이상이 정렬(array)되고, 각각의 센서기판 상에는 서로 다른 금속산화물 나노입자가 분산된 용액이 분사되어 서로 다른 박층의 센서소재가 형성된 것을 특징으로 하는 가스센서.
- 청구항 1에 있어서,상기 센서소재는 열압착 또는 열가압에 의하여 상기 센서기판 위에 압착된 것임을 특징으로 하는 가스센서.
- 청구항 1 또는 청구항 7에 있어서,상기 센서소재는 80oC~300oC의 열처리에 의해 잔류 용매를 제거시킨 것임을 특징으로 하는 가스센서.
- 청구항 1 또는 청구항 7에 있어서,상기 센서소재는 350oC~600oC의 열처리에 의해 형성된 조대화된 금속산화물 나노입자를 포함하는 것을 특징으로 하는 가스센서.
- 금속산화물 나노입자가 용매에 균일하게 분산된 분사용액을 제조하는 단계; 및상기 분사 용액을 전극이 형성된 센서기판 상에 정전기력에 의한 분사 과정(Electrostatic Spray Deposition)에 의해 분사하여, 금속산화물 나노입자를 정전기적인 힘에 의해 센서기판에 증착시켜서 박층의 센서소재를 형성하는 단계를 포함하는 가스센서의 제조방법.
- 청구항 10에 있어서,상기 센서소재를 열압착 또는 열가압하는 단계를 단계를 더 포함하는 것을 특징으로 하는 가스센서의 제조방법.
- 청구항 11에 있어서,상기 센서소재의 열압착 또는 열가압은 20oC~150oC의 온도, 0.01㎫ ~ 10㎫의 압력 및 10초 ~ 10분의 시간의 조건하에서 실시되는 것임을 특징으로 하는 가스센서의 제조방법.
- 청구항 10 또는 청구항 11에 있어서,상기 센서소재를 80oC~300oC의 온도에서 열처리 하는 단계를 더 포함하는 것을 특징으로 하는 가스센서의 제조방법.
- 청구항 10 또는 청구항 11에 있어서,상기 센서소재를 350oC~600oC의 온도에서 열처리 하는 단계를 더 포함하는 것을 특징으로 하는 가스센서의 제조방법.
- 청구항 10에 있어서,상기 금속산화물 나노입자는 SnO2, TiO2, ZnO, VO2, In2O3, NiO, MoO3, SrTiO3, Fe 도프(doped) SrTiO3, Fe2O3, WO3 및 CuO 나노입자로 이루어진 군으로부터 선택된 1종 이상의 것으로 구성되는 것임을 특징으로 하는 가스센서의 제조방법.
- 청구항 10에 있어서,상기 용매는 에탄올, 메탄올, 프로판올, 부탄올, 이소프로필알콜(IPA), 디메틸포름아마이드(dimethylformamide; DMF), 아세톤, 데트라하이드로퓨란, 톨루엔, 및 물로 이루어진 군으로부터 선택되는 1종 이상으로 구성되는 것임을 특징으로 하 는 가스센서의 제조방법.
- 청구항 10에 있어서,상기 분사용액은 트린톤 X-100(Triton X-100), 아세트산, 세틸트리메틸 암모늄 브로마이드(Cetyltrimethyl ammonium bromide, CTAB), 이소프로필트리스(N-아미노에틸-아미노에틸)티타네이트(isopropyltris(N-aminoethyl-aminoethyl) titanate, INAAT), 3-아미노프로필트리에톡시-실란(3-Aminopropyltriethoxy-silane, APTS), PVP(Polyvinyl Pyrrolidone) 및 폴리(4-비닐페놀)로 이루어진 군으로부터 선택되는 1종 이상의 분산제를 더 포함하는 것을 특징으로 하는 가스센서의 제조방법.
- 청구항 10에 있어서,상기 분사는 전기분사(Electrospray) 또는 에어플레쉬분사(Air Flash Spray)인 것을 특징으로 하는 가스센서의 제조방법.
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EP10769981.1A EP2426484B1 (en) | 2009-04-30 | 2010-04-30 | METHOD FOR MANUFACTURING a GAS SENSOR USING METAL OXIDE NANOPARTICLES |
PCT/KR2010/002766 WO2010126336A2 (ko) | 2009-04-30 | 2010-04-30 | 금속산화물 나노입자를 이용한 가스센서 및 그 제조방법 |
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KR20090011631A (ko) * | 2007-07-27 | 2009-02-02 | (주)엠투엔 | 가스 센서 및 그 제조 방법 |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
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KR101618337B1 (ko) | 2014-04-18 | 2016-05-09 | 한국과학기술연구원 | 센서의 제조방법 및 이에 의하여 제조된 센서 |
KR20200141866A (ko) | 2019-06-11 | 2020-12-21 | 한국원자력연구원 | 그래핀 기반 가스 센서 및 그 제조 방법 |
KR102236900B1 (ko) * | 2019-11-25 | 2021-04-06 | (주)라디안큐바이오 | 드롭 모드의 무전해 도금 방식을 이용한 금 나노구조체 제조 방법 |
Also Published As
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US9133549B2 (en) | 2015-09-15 |
EP2426484B1 (en) | 2018-03-21 |
WO2010126336A3 (ko) | 2011-01-27 |
US20120042713A1 (en) | 2012-02-23 |
WO2010126336A2 (ko) | 2010-11-04 |
KR20100119100A (ko) | 2010-11-09 |
EP2426484A2 (en) | 2012-03-07 |
EP2426484A4 (en) | 2015-12-02 |
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