KR100837397B1 - 탄소나노튜브를 이용한 개스 센서 및 그 측정방법 - Google Patents
탄소나노튜브를 이용한 개스 센서 및 그 측정방법 Download PDFInfo
- Publication number
- KR100837397B1 KR100837397B1 KR1020060001389A KR20060001389A KR100837397B1 KR 100837397 B1 KR100837397 B1 KR 100837397B1 KR 1020060001389 A KR1020060001389 A KR 1020060001389A KR 20060001389 A KR20060001389 A KR 20060001389A KR 100837397 B1 KR100837397 B1 KR 100837397B1
- Authority
- KR
- South Korea
- Prior art keywords
- gas
- dark
- measuring
- carbon nanotubes
- current
- Prior art date
Links
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G17/00—Connecting or other auxiliary members for forms, falsework structures, or shutterings
- E04G17/04—Connecting or fastening means for metallic forming or stiffening elements, e.g. for connecting metallic elements to non-metallic elements
- E04G17/045—Connecting or fastening means for metallic forming or stiffening elements, e.g. for connecting metallic elements to non-metallic elements being tensioned by wedge-shaped elements
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/0004—Gaseous mixtures, e.g. polluted air
- G01N33/0009—General constructional details of gas analysers, e.g. portable test equipment
- G01N33/0027—General constructional details of gas analysers, e.g. portable test equipment concerning the detector
- G01N33/0036—Specially adapted to detect a particular component
- G01N33/0054—Specially adapted to detect a particular component for ammonia
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B82—NANOTECHNOLOGY
- B82Y—SPECIFIC USES OR APPLICATIONS OF NANOSTRUCTURES; MEASUREMENT OR ANALYSIS OF NANOSTRUCTURES; MANUFACTURE OR TREATMENT OF NANOSTRUCTURES
- B82Y15/00—Nanotechnology for interacting, sensing or actuating, e.g. quantum dots as markers in protein assays or molecular motors
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/0004—Gaseous mixtures, e.g. polluted air
- G01N33/0009—General constructional details of gas analysers, e.g. portable test equipment
- G01N33/0027—General constructional details of gas analysers, e.g. portable test equipment concerning the detector
- G01N33/0036—Specially adapted to detect a particular component
- G01N33/005—Specially adapted to detect a particular component for H2
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/20—Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S977/00—Nanotechnology
- Y10S977/902—Specified use of nanostructure
- Y10S977/904—Specified use of nanostructure for medical, immunological, body treatment, or diagnosis
- Y10S977/92—Detection of biochemical
Abstract
Description
Claims (8)
- 삭제
- 삭제
- 삭제
- 삭제
- 기판 상에 이격되게 형성된 제1 및 제2전극과, 상기 전극들을 연결하는 탄소나노튜브와, 상기 탄소나노튜브의 상방에 설치된 광원과, 상기 탄소나노튜브에 흐르는 전류를 측정하는 전류계를 구비하는 개스 센서를 이용하여 미지의 개스의 종류 및 농도를 측정하는 방법에 있어서,상기 전극에 소정의 전압을 인가하여, 상기 탄소나노튜브에 흐르는 전류(I_dark)를 측정하는 제1 단계;미리 작성한 데이터 베이스에 조회하여 상기 전류(I_dark) 가 나오는 개스의 종류 및 압력을 구하는 제2단계;상기 광원에 소정시간 전압을 인가하면서 상기 탄소나노튜브를 흐르는 전류(I_photo)를 측정하는 제3 단계;상기 데이터 베이스를 조회하여 상기 전류(I_photo) 값이 나오는 개스의 종류 및 압력을 구하는 제4 단계;상기 제2 단계에서 구한 개스와, 상기 제4 단계에서 구한 개스를 비교하여 일치하는 개스의 종류 및 압력으로부터 상기 미지의 개스의 종류 및 농도로 결정하는 제5 단계;를 구비하며,상기 데이터 베이스는 복수의 개스에 대해서 각각의 개스의 농도에 따른 상기 전류(I_dark 및 I_photo)를 측정한 데이터 베이스인 것을 특징으로 하는 측정방법.
- 제 5 항에 있어서, 상기 제1 단계는,상기 개스센서가 탑재된 진공챔버 내에 상기 미지의 개스를 채우는 단계를 더 구비하는 것을 특징으로 하는 측정방법.
- 제 5 항에 있어서,상기 제3 단계는, 상기 전류(I_photo) 의 피크값(I_peak)을 구하는 단계; 및I_peak/I-dark를 계산하는 단계;를 더 구비하며,상기 제4 단계는, 상기 I_peak/I_dark에 해당되는 개스를 상기 데이터 베이스에 조회하는 단계;를 더 포함하는 것을 특징으로 하는 측정방법.
- 삭제
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020060001389A KR100837397B1 (ko) | 2006-01-05 | 2006-01-05 | 탄소나노튜브를 이용한 개스 센서 및 그 측정방법 |
US11/543,932 US7918989B2 (en) | 2006-01-05 | 2006-10-06 | Gas sensor and method thereof |
JP2006352889A JP2007183270A (ja) | 2006-01-05 | 2006-12-27 | 炭素ナノチューブを利用したガスセンサー及びその測定方法 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020060001389A KR100837397B1 (ko) | 2006-01-05 | 2006-01-05 | 탄소나노튜브를 이용한 개스 센서 및 그 측정방법 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20070096121A KR20070096121A (ko) | 2007-10-02 |
KR100837397B1 true KR100837397B1 (ko) | 2008-06-17 |
Family
ID=38239138
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1020060001389A KR100837397B1 (ko) | 2006-01-05 | 2006-01-05 | 탄소나노튜브를 이용한 개스 센서 및 그 측정방법 |
Country Status (3)
Country | Link |
---|---|
US (1) | US7918989B2 (ko) |
JP (1) | JP2007183270A (ko) |
KR (1) | KR100837397B1 (ko) |
Families Citing this family (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2010086450A2 (en) | 2009-02-02 | 2010-08-05 | Universitat De Barcelona | Gas sensor, equipped with threadlike nanostructures, network of sensors and measurement method using said sensor |
KR20110007676A (ko) * | 2009-07-17 | 2011-01-25 | (주)와이즈산전 | 가스 센서 |
US9060765B2 (en) | 2010-11-08 | 2015-06-23 | Bovie Medical Corporation | Electrosurgical apparatus with retractable blade |
US9770285B2 (en) | 2010-11-08 | 2017-09-26 | Bovie Medical Corporation | System and method for identifying and controlling an electrosurgical apparatus |
US9144453B2 (en) | 2010-11-08 | 2015-09-29 | Bovie Medical Corporation | Multi-mode electrosurgical apparatus |
US9095333B2 (en) * | 2012-07-02 | 2015-08-04 | Bovie Medical Corporation | Systems and methods of discriminating between argon and helium gases for enhanced safety of medical devices |
CN103975237A (zh) * | 2011-09-19 | 2014-08-06 | 犹他大学研究基金会 | 用于化合物探测的多模平台 |
US8551310B2 (en) * | 2011-12-16 | 2013-10-08 | Chung-Shan Institute of Science and Technology, Armaments Bureau, Dept. of National Defense | Method for making a nano-composite gas sensor |
US9759688B2 (en) * | 2012-03-01 | 2017-09-12 | Georgia Tech Research Corporation | Highly sensitive standoff gas sensing using carbon nanotubes and integrated wireless devices |
US11272973B2 (en) | 2015-01-28 | 2022-03-15 | Apyx Medical Corporation | Cold plasma electrosurgical apparatus with bent tip applicator |
WO2018140944A1 (en) | 2017-01-30 | 2018-08-02 | Bovie Medical Corporation | Electrosurgical apparatus with flexible shaft |
KR102101072B1 (ko) * | 2017-02-23 | 2020-04-16 | 한국산업기술대학교산학협력단 | 광 융합형 가스센서, 이의 제조방법 및 가스 감지방법 |
EP3629968A4 (en) | 2017-05-30 | 2021-02-17 | Apyx Medical Corporation | ELECTROSURGICAL DEVICE WITH ROBOTIZED TIP |
KR102059240B1 (ko) | 2017-08-29 | 2019-12-26 | 신라대학교 산학협력단 | 탄소 나노튜브를 이용한 진공도 측정 센서 |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20040147037A1 (en) | 2001-04-18 | 2004-07-29 | Hongjie Dai | Photodesorption in carbon nanotubes |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4495793A (en) * | 1982-08-30 | 1985-01-29 | Washington Research Foundation | Sensing device for detecting the presence of a gas contained in a mixture thereof |
US20020031602A1 (en) * | 2000-06-20 | 2002-03-14 | Chi Zhang | Thermal treatment of solution-processed organic electroactive layer in organic electronic device |
US7081368B2 (en) * | 2000-09-01 | 2006-07-25 | Japan Science And Technology Corporation | Method for detecting gas with the use of photocurrent amplification and the like and gas sensor |
JP2003032444A (ja) * | 2001-07-16 | 2003-01-31 | Minebea Co Ltd | イメージ入力装置 |
US6894359B2 (en) * | 2002-09-04 | 2005-05-17 | Nanomix, Inc. | Sensitivity control for nanotube sensors |
US6905655B2 (en) * | 2002-03-15 | 2005-06-14 | Nanomix, Inc. | Modification of selectivity for sensing for nanostructure device arrays |
US7750285B2 (en) * | 2003-07-18 | 2010-07-06 | Japan Science And Technology Agency | Optical sensor including photoconductive material and carbon nanotube |
US20050244811A1 (en) * | 2003-12-15 | 2005-11-03 | Nano-Proprietary, Inc. | Matrix array nanobiosensor |
WO2006088477A2 (en) * | 2004-05-17 | 2006-08-24 | Massachusetts Institute Of Technology | Photo-induced sensitivity and selectivity of semiconductor gas sensors |
-
2006
- 2006-01-05 KR KR1020060001389A patent/KR100837397B1/ko active IP Right Grant
- 2006-10-06 US US11/543,932 patent/US7918989B2/en active Active
- 2006-12-27 JP JP2006352889A patent/JP2007183270A/ja active Pending
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20040147037A1 (en) | 2001-04-18 | 2004-07-29 | Hongjie Dai | Photodesorption in carbon nanotubes |
Also Published As
Publication number | Publication date |
---|---|
JP2007183270A (ja) | 2007-07-19 |
US7918989B2 (en) | 2011-04-05 |
KR20070096121A (ko) | 2007-10-02 |
US20070158209A1 (en) | 2007-07-12 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
KR100837397B1 (ko) | 탄소나노튜브를 이용한 개스 센서 및 그 측정방법 | |
Cho et al. | Monolithic micro light-emitting diode/metal oxide nanowire gas sensor with microwatt-level power consumption | |
US20050169798A1 (en) | Sensitivity control for nanotube sensors | |
US20060251543A1 (en) | Miniaturized gas sensors featuring electrical breakdown in the vicinity of carbon nanotube tips | |
JP4661127B2 (ja) | センサ | |
US7141859B2 (en) | Porous gas sensors and method of preparation thereof | |
US9518950B2 (en) | Chemical sensor based on highly organized single walled carbon nanotube networks | |
Inaba et al. | Effect of mixing ratio on NO2 gas sensor response with SnO2-decorated carbon nanotube channels fabricated by one-step dielectrophoretic assembly | |
US11385196B2 (en) | Energetic pulse clearing of environmentally sensitive thin-film devices | |
US5334351A (en) | Sensor for detecting analytes in a fluid medium | |
Jung et al. | High-performance H 2 S detection by redox reactions in semiconducting carbon nanotube-based devices | |
Ahmed et al. | A potential optical sensor based on nanostructured silicon | |
JP2019168289A (ja) | ガスセンシング方法、ガスセンサ、及びガスセンシングシステム | |
Jakubik et al. | Light-activated SAW sensor structures with photoconductive polymer films for DMMP detection | |
CN108709905A (zh) | 基于非均匀光照的光增强型气敏元件 | |
US8421485B2 (en) | Detection device and detection system using the same | |
KR102651194B1 (ko) | 공중 부유형 탄소 나노와이어를 이용한 3ω 방법 기반 가스센서 및 그 제조 방법 | |
Li et al. | Bipolar Light‐Addressable Potentiometric Sensor Based on Fullerene Photosensitive Layer | |
Kauffman et al. | Single‐Walled Carbon‐Nanotube Spectroscopic and Electronic Field‐Effect Transistor Measurements: A Combined Approach | |
RU187907U1 (ru) | Газовый сенсор на основе углеродных нанотрубок | |
Meng et al. | Dynamic prebreakdown current measurement of nanotips-based gas ionization sensor application at ambient atmosphere | |
Firek et al. | Hydrogen sensor based on field effect transistor with C–Pd layer | |
CN209841689U (zh) | 一种集成led光源的表面量子点湿度传感器 | |
JP5048213B2 (ja) | 半導体式ガス検知素子 | |
KR100890193B1 (ko) | 전압 조절 방식을 이용한 가스 센서의 감도 개선 방법 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
A201 | Request for examination | ||
E902 | Notification of reason for refusal | ||
AMND | Amendment | ||
E601 | Decision to refuse application | ||
AMND | Amendment | ||
J201 | Request for trial against refusal decision | ||
E801 | Decision on dismissal of amendment | ||
B601 | Maintenance of original decision after re-examination before a trial | ||
S901 | Examination by remand of revocation | ||
GRNO | Decision to grant (after opposition) | ||
GRNT | Written decision to grant | ||
FPAY | Annual fee payment |
Payment date: 20130522 Year of fee payment: 6 |
|
FPAY | Annual fee payment |
Payment date: 20140522 Year of fee payment: 7 |
|
FPAY | Annual fee payment |
Payment date: 20150522 Year of fee payment: 8 |
|
FPAY | Annual fee payment |
Payment date: 20160520 Year of fee payment: 9 |
|
FPAY | Annual fee payment |
Payment date: 20170518 Year of fee payment: 10 |
|
FPAY | Annual fee payment |
Payment date: 20180517 Year of fee payment: 11 |
|
FPAY | Annual fee payment |
Payment date: 20190520 Year of fee payment: 12 |