KR102034608B1 - 맥신을 이용한 케미레지스터 가스센서 및 이의 제조 방법 - Google Patents
맥신을 이용한 케미레지스터 가스센서 및 이의 제조 방법 Download PDFInfo
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- 238000004519 manufacturing process Methods 0.000 title claims abstract description 26
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- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 9
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- 229910052719 titanium Inorganic materials 0.000 claims description 5
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- 229910052731 fluorine Inorganic materials 0.000 claims description 3
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- CXQXSVUQTKDNFP-UHFFFAOYSA-N octamethyltrisiloxane Chemical compound C[Si](C)(C)O[Si](C)(C)O[Si](C)(C)C CXQXSVUQTKDNFP-UHFFFAOYSA-N 0.000 claims description 3
- 229910052760 oxygen Inorganic materials 0.000 claims description 3
- 238000004987 plasma desorption mass spectroscopy Methods 0.000 claims description 3
- 229920000435 poly(dimethylsiloxane) Polymers 0.000 claims description 3
- 229920000139 polyethylene terephthalate Polymers 0.000 claims description 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 2
- PXGOKWXKJXAPGV-UHFFFAOYSA-N Fluorine Chemical compound FF PXGOKWXKJXAPGV-UHFFFAOYSA-N 0.000 claims description 2
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 claims description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 2
- 229910021393 carbon nanotube Inorganic materials 0.000 claims description 2
- 239000002041 carbon nanotube Substances 0.000 claims description 2
- 229920001940 conductive polymer Polymers 0.000 claims description 2
- 229910052802 copper Inorganic materials 0.000 claims description 2
- 239000010949 copper Substances 0.000 claims description 2
- 239000011737 fluorine Substances 0.000 claims description 2
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 claims description 2
- 229910052737 gold Inorganic materials 0.000 claims description 2
- 239000010931 gold Substances 0.000 claims description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-M hydroxide Chemical compound [OH-] XLYOFNOQVPJJNP-UHFFFAOYSA-M 0.000 claims description 2
- 239000001301 oxygen Substances 0.000 claims description 2
- 229910052709 silver Inorganic materials 0.000 claims description 2
- 239000004332 silver Substances 0.000 claims description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims 2
- 229910052681 coesite Inorganic materials 0.000 claims 1
- 229910052906 cristobalite Inorganic materials 0.000 claims 1
- 239000005020 polyethylene terephthalate Substances 0.000 claims 1
- 239000000377 silicon dioxide Substances 0.000 claims 1
- 235000012239 silicon dioxide Nutrition 0.000 claims 1
- 229910052682 stishovite Inorganic materials 0.000 claims 1
- 229910052905 tridymite Inorganic materials 0.000 claims 1
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- 239000010408 film Substances 0.000 description 5
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- CWQXQMHSOZUFJS-UHFFFAOYSA-N molybdenum disulfide Chemical compound S=[Mo]=S CWQXQMHSOZUFJS-UHFFFAOYSA-N 0.000 description 5
- 229910052982 molybdenum disulfide Inorganic materials 0.000 description 5
- 239000002086 nanomaterial Substances 0.000 description 5
- 230000008569 process Effects 0.000 description 5
- IMNFDUFMRHMDMM-UHFFFAOYSA-N N-Heptane Chemical compound CCCCCCC IMNFDUFMRHMDMM-UHFFFAOYSA-N 0.000 description 4
- SECXISVLQFMRJM-UHFFFAOYSA-N N-Methylpyrrolidone Chemical compound CN1CCCC1=O SECXISVLQFMRJM-UHFFFAOYSA-N 0.000 description 4
- NBBJYMSMWIIQGU-UHFFFAOYSA-N Propionic aldehyde Chemical compound CCC=O NBBJYMSMWIIQGU-UHFFFAOYSA-N 0.000 description 4
- ZMANZCXQSJIPKH-UHFFFAOYSA-N Triethylamine Chemical compound CCN(CC)CC ZMANZCXQSJIPKH-UHFFFAOYSA-N 0.000 description 4
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- 238000002474 experimental method Methods 0.000 description 4
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- 239000002131 composite material Substances 0.000 description 3
- VLKZOEOYAKHREP-UHFFFAOYSA-N n-Hexane Chemical compound CCCCCC VLKZOEOYAKHREP-UHFFFAOYSA-N 0.000 description 3
- 239000002135 nanosheet Substances 0.000 description 3
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 description 3
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- 238000012546 transfer Methods 0.000 description 3
- 229910000859 α-Fe Inorganic materials 0.000 description 3
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
- 239000002033 PVDF binder Substances 0.000 description 2
- 238000004833 X-ray photoelectron spectroscopy Methods 0.000 description 2
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- 229910001385 heavy metal Inorganic materials 0.000 description 2
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- 238000013507 mapping Methods 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
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- 229910052961 molybdenite Inorganic materials 0.000 description 2
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- 238000004528 spin coating Methods 0.000 description 2
- 238000005507 spraying Methods 0.000 description 2
- PSABUFWDVWCFDP-UHFFFAOYSA-N 2,2-dimethylheptane Chemical compound CCCCCC(C)(C)C PSABUFWDVWCFDP-UHFFFAOYSA-N 0.000 description 1
- JKQXUHNOKAZKCT-UHFFFAOYSA-N 2-methyl-1,3,5-trinitrobenzene Chemical compound CC1=C([N+]([O-])=O)C=C([N+]([O-])=O)C=C1[N+]([O-])=O.CC1=C([N+]([O-])=O)C=C([N+]([O-])=O)C=C1[N+]([O-])=O JKQXUHNOKAZKCT-UHFFFAOYSA-N 0.000 description 1
- 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 description 1
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- GRXKLBBBQUKJJZ-UHFFFAOYSA-N Soman Chemical compound CC(C)(C)C(C)OP(C)(F)=O GRXKLBBBQUKJJZ-UHFFFAOYSA-N 0.000 description 1
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- SNTRKUOVAPUGAY-UHFFFAOYSA-N cyclosarin Chemical compound CP(F)(=O)OC1CCCCC1 SNTRKUOVAPUGAY-UHFFFAOYSA-N 0.000 description 1
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- JCXJVPUVTGWSNB-UHFFFAOYSA-N nitrogen dioxide Inorganic materials O=[N]=O JCXJVPUVTGWSNB-UHFFFAOYSA-N 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
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- 150000003624 transition metals Chemical class 0.000 description 1
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- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N27/00—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
- 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
- G01N27/125—Composition of the body, e.g. the composition of its sensitive layer
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Abstract
Description
도 2는 본 발명의 일 실시예에 따른 맥신을 이용한 케미레지스터 가스센서에 있어서 맥신 박막 형성 과정 및 형성된 박막을 센서 기판 상에 전사하는 과정에 대해 나타낸 도면이다.
도 3은 본 발명의 일 실시예에 따른 맥신을 이용한 케미레지스터 가스센서에 있어서 센서 기판 상에 형성된 맥신 박막의 표면 사진과 전기 전도도를 나타낸 것이다.
도 4는 본 발명의 일 실시예에 따른 맥신을 이용한 케미레지스터 가스센서에 있어서 Ti3C2Tx 맥신의 표면 작용기를 분석한 결과를 나타낸 그래프이다.
도 5는 본 발명의 일 실시예에 따른 맥신을 이용한 케미레지스터 가스센서에 있어서 원소 맵핑법을 이용하여 맥신 박막 위에 각 원소들이 분포되어 있는 것을 나타낸 것이다.
도 6은 본 발명의 일 실시예에 따른 맥신을 이용한 케미레지스터 가스센서의 다양한 물질들에 대한 탐지결과에 대해 나타낸 그래프이다.
도 7은 종래 BP, MoS2, RGO를 이용한 acetone, ammonia 측정 센서의 탐지결과에 대해 나타낸 그래프이다.
도 8은 본 발명의 일 실시예에 따른 맥신을 이용한 케미레지스터 가스센서와 종래의 이차원 물질 기반 가스센서들이 물질과 반응하였을 때 나타내는 신호(signal)를 나타낸 것이다.
도 9는 본 발명의 일 실시예에 따른 맥신을 이용한 케미레지스터 가스센서와 종래의 이차원 물질 기반 가스센서들의 전기적 잡음(electrical noise)를 나타내는 것이다.
도 10은 본 발명의 일 실시예에 따른 맥신을 이용한 케미레지스터 가스센서와 종래의 이차원 물질 기반 가스센서들의 신호대잡음비(signal-to-noise ratio, SNR)를 나타낸 것이다.
도 11은 본 발명의 일 실시예에 따른 맥신을 이용한 케미레지스터 가스센서와 종래의 이차원 물질 기반 가스센서들에 있어서 센서 측정 시 나타나는 잡음 외에 각 소재 별 고유의 본질적인 전기적 잡음을 측정하기 위해서 진행한 실험에 대한 데이터이다.
Claims (12)
- 기판;
상기 기판 상부에 적층된 맥신(MXene) 박막 필름; 및
상기 맥신(MXene) 박막 필름의 양 측면에 각각 형성된 전극을 포함하며,
기체 탐지가 가능한 기체의 최저 농도(limit of detection, LOD)가 50 ppb 이고, 신호대잡음비(signal-to-noise ratio, SNR)가 아세톤에 대하여 230 이상, 에탄올에 대하여 345 이상, 암모니아에 대하여 150 이상, 프로판올에 대하여 170 이상인 것을 특징으로 하는 케미레지스터 가스센서.
- 제1항에 있어서,
상기 맥신(MXene) 박막은 Ti3C2Tx 맥신 박막인 것을 특징으로 하는 케미레지스터 가스센서.
- 제1항에 있어서,
상기 맥신(MXene) 박막의 표면에는 화학적 작용기가 분포되어 있는 것을 특징으로 하는 케미레지스터 가스센서.
- 제3항에 있어서,
상기 맥신(MXene) 박막의 화학적 작용기는, 산소(O), 수산화이온(OH), 플루오린(F)을 포함하는 것을 특징으로 하는 케미레지스터 가스센서.
- 제1항에 있어서,
상기 기판은 유리, Si/SiO2, PET, PDMS, Polyimid(PI) 및 Ecoflex로 구성된 군에서 선택되는 소재로 구성되는 것을 특징으로 하는 케미레지스터 가스센서.
- 제1항에 있어서,
상기 전극은 금, 은, 구리, 티타늄, 탄소나노튜브, 그래핀 및 전도성 고분자로 구성된 군에서 선택되는 소재로 구성되는 것을 특징으로 하는 케미레지스터 가스센서.
- 제1항에 있어서,
상기 케미레지스터 가스센서는 휘발성유기화합물(Volatile Organic Compounds, VOC), 신경가스, 폭발성 가스 및 음식물 가스로 구성된 군에서 선택되는 하나 이상의 가스 감지용인 것을 특징으로 하는 케미레지스터 가스센서.
- 삭제
- 삭제
- Ti3C2Tx 맥신을 H20에 분산시켜 Ti3C2Tx 맥신 수용액을 형성하는 단계;
감압여과 방법을 이용하여 양극산화 알루미늄 멤브레인 상에 상기 Ti3C2Tx 맥신 수용액을 필터링하여 Ti3C2Tx 맥신 박막을 형성하는 단계; 및
상기 양극산화 알루미늄 멤브레인 상에 형성된 Ti3C2Tx 맥신 박막을 센서 기판 상에 전사하는 단계;를 포함하며,
상기 Ti3C2Tx 맥신 박막을 센서 기판 상에 전사하는 단계는,
NaOH 수용액 수면 위에 Ti3C2Tx 맥신 박막이 형성된 양극산화 알루미늄 멤브레인을 부유시키는 단계;
상기 Ti3C2Tx 맥신 박막이 형성된 양극산화 알루미늄 멤브레인에서 양극산화 알루미늄 멤브레인을 제거하고, Ti3C2Tx 맥신 박막만 수면 위에 부유하도록 하는 단계;
상기 NaOH 수용액을 증류수로 적어도 한 번 이상 교체하는 단계;
센서 기판을 용기 바닥에 고정시킨 후 수면을 점점 아래로 내리면서 Ti3C2Tx 맥신 박막을 기판 위에 올린 후에 건조하는 단계;를 포함하는 것을 특징으로 하는 케미레지스터 가스센서 제조 방법.
- 제10항의 케미레지스터 가스센서 제조 방법으로 제조되는 것을 특징으로 하는 케미레지스터 가스센서.
- 삭제
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