KR102315828B1 - 금속성 또는 반도체성을 갖는 나노 재료를 액티브 소재로 이용하는 정전용량변화 검지형 나노화학센서 - Google Patents
금속성 또는 반도체성을 갖는 나노 재료를 액티브 소재로 이용하는 정전용량변화 검지형 나노화학센서 Download PDFInfo
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- KR102315828B1 KR102315828B1 KR1020190110288A KR20190110288A KR102315828B1 KR 102315828 B1 KR102315828 B1 KR 102315828B1 KR 1020190110288 A KR1020190110288 A KR 1020190110288A KR 20190110288 A KR20190110288 A KR 20190110288A KR 102315828 B1 KR102315828 B1 KR 102315828B1
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- G—PHYSICS
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- 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
- G01N27/26—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating electrochemical variables; by using electrolysis or electrophoresis
- G01N27/403—Cells and electrode assemblies
- G01N27/414—Ion-sensitive or chemical field-effect transistors, i.e. ISFETS or CHEMFETS
- G01N27/4146—Ion-sensitive or chemical field-effect transistors, i.e. ISFETS or CHEMFETS involving nanosized elements, e.g. nanotubes, nanowires
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- G01N27/02—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance
- G01N27/22—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating capacitance
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- G—PHYSICS
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- 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
- G01N27/26—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating electrochemical variables; by using electrolysis or electrophoresis
- G01N27/28—Electrolytic cell components
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Abstract
Description
도 2는 본 발명에 따른 실시예들의 정전용량변화 검지형 나노화학센서를 이용하여 화학센서 측정 시간에 따른 검출 감도를 정전용량의 절대값으로 나타낸 실험 데이터를 나타낸 도면이다.
구분 | 실시예 1 | 실시예 2 | 실시예 3 | 비교예 1 | 비교예 2 |
DMMP 주입 전 Base 값 대비 주입 후 정전용량변화 값(%) @DMMP 100 ppb | 5.2 | 10.8 | 13.3 | 0 | 2.5 |
Claims (7)
- 기반이 되는 이산화규소/실리콘 이중층;
상기 이산화규소/실리콘 이중층에 도포되는 필름층; 및
상기 이산화규소/실리콘 이중층 및 필름층 중 적어도 어느 하나의 층 일면에 형성되는 전극을 포함하는 나노화학센서로,
상기 전극은 필름층에 소스 전극 및 드레인 전극으로 형성되거나,
상기 필름층에 소스 전극이 형성되고, 상기 이중층 하부에 게이트 전극으로 형성되며,
상기 필름층은 금속성을 갖는 그래핀이고,
상기 전극은 금(Au), 팔라듐(Pd), 백금(Pt), 티타늄(Ti), 크롬(Cr), 몰리브덴(Mo) 및 알루미늄(Al)로 이루어진 금속 소재군으로부터 선택되는 1종 또는 2종인 것을 특징으로 하는 정전용량변화 검지형 나노화학센서. - 삭제
- 삭제
- 삭제
- 삭제
- 청구항 1에 있어서, 상기 정전용량변화 검지형 나노화학센서는 화학기체로 DMMP(Dimethyl methylphosphonate)를 검출하는 것을 특징으로 하는 정전용량변화 검지형 나노화학센서.
- 청구항 6에 있어서, 상기 정전용량변화 검지형 나노화학센서는 100 ppb 농도의 화학기체를 검출하는 것을 특징으로 하는 정전용량변화 검지형 나노화학센서.
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KR1020190110288A KR102315828B1 (ko) | 2019-09-05 | 2019-09-05 | 금속성 또는 반도체성을 갖는 나노 재료를 액티브 소재로 이용하는 정전용량변화 검지형 나노화학센서 |
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KR1020190110288A KR102315828B1 (ko) | 2019-09-05 | 2019-09-05 | 금속성 또는 반도체성을 갖는 나노 재료를 액티브 소재로 이용하는 정전용량변화 검지형 나노화학센서 |
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KR20210029020A KR20210029020A (ko) | 2021-03-15 |
KR102315828B1 true KR102315828B1 (ko) | 2021-10-22 |
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Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
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KR101757194B1 (ko) * | 2016-03-30 | 2017-07-13 | (주)센서테크 | 웨어러블 화학가스센서 및 이의 센싱 방법 |
WO2019049758A1 (ja) | 2017-09-11 | 2019-03-14 | 東レ株式会社 | 無線通信デバイス、おむつおよび水分検知システム |
JP2019519924A (ja) | 2016-06-01 | 2019-07-11 | カイゼン コーポレイション | 電気回路監視のためのシステムおよび方法 |
JP2020508458A (ja) | 2017-02-22 | 2020-03-19 | エフ.ホフマン−ラ ロシュ アーゲーF. Hoffmann−La Roche Aktiengesellschaft | 少なくとも1つの流体試料中の少なくとも1つの分析物を検出する分析物検出器 |
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KR100895258B1 (ko) * | 2007-06-29 | 2009-04-29 | 연세대학교 산학협력단 | 탄소나노튜브를 이용한 가스센서 및 그 작동방법 |
KR20140065824A (ko) | 2012-11-22 | 2014-05-30 | 인하대학교 산학협력단 | 이온성 액체를 함유한 고분자를 이용한 화학센서 및 그 제조 방법 |
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Publication number | Priority date | Publication date | Assignee | Title |
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KR101757194B1 (ko) * | 2016-03-30 | 2017-07-13 | (주)센서테크 | 웨어러블 화학가스센서 및 이의 센싱 방법 |
JP2019519924A (ja) | 2016-06-01 | 2019-07-11 | カイゼン コーポレイション | 電気回路監視のためのシステムおよび方法 |
JP2020508458A (ja) | 2017-02-22 | 2020-03-19 | エフ.ホフマン−ラ ロシュ アーゲーF. Hoffmann−La Roche Aktiengesellschaft | 少なくとも1つの流体試料中の少なくとも1つの分析物を検出する分析物検出器 |
WO2019049758A1 (ja) | 2017-09-11 | 2019-03-14 | 東レ株式会社 | 無線通信デバイス、おむつおよび水分検知システム |
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KR102315828B1 (ko) | 금속성 또는 반도체성을 갖는 나노 재료를 액티브 소재로 이용하는 정전용량변화 검지형 나노화학센서 |
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