WO2005001460A3 - Gas sensor - Google Patents

Gas sensor Download PDF

Info

Publication number
WO2005001460A3
WO2005001460A3 PCT/GB2004/002765 GB2004002765W WO2005001460A3 WO 2005001460 A3 WO2005001460 A3 WO 2005001460A3 GB 2004002765 W GB2004002765 W GB 2004002765W WO 2005001460 A3 WO2005001460 A3 WO 2005001460A3
Authority
WO
WIPO (PCT)
Prior art keywords
gas sensor
metal
gas
porous
nanoporous
Prior art date
Application number
PCT/GB2004/002765
Other languages
French (fr)
Other versions
WO2005001460A2 (en
Inventor
Ivan Parkin
Keith Pratt
Dominic Mann
Themis Pereskava
Original Assignee
Univ London
Ivan Parkin
Keith Pratt
Dominic Mann
Themis Pereskava
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Univ London, Ivan Parkin, Keith Pratt, Dominic Mann, Themis Pereskava filed Critical Univ London
Publication of WO2005001460A2 publication Critical patent/WO2005001460A2/en
Publication of WO2005001460A3 publication Critical patent/WO2005001460A3/en

Links

Classifications

    • 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
    • G01N33/0047—Specially adapted to detect a particular component for organic compounds
    • G—PHYSICS
    • 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

Abstract

A gas sensor having a gas-sensing material (3) and a porous material (4) which is nanoporous or mesoporous, wherein the porous material (4) incorporates a metal, a compound of the metal or a mixture thereof, wherein the metal is chromium, molybdenum, tungsten, vanadium, niobium, tantalum, iron, osmium or ruthenium is disclosed. In addition, a gas sensor having a gas-sensing material blended with a porous (15) material which is nanoporous or mesoporous is disclosed.
PCT/GB2004/002765 2003-06-26 2004-06-25 Gas sensor WO2005001460A2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB0314961A GB2403295A (en) 2003-06-26 2003-06-26 Gas Sensor
GB0314961.4 2003-06-26

Publications (2)

Publication Number Publication Date
WO2005001460A2 WO2005001460A2 (en) 2005-01-06
WO2005001460A3 true WO2005001460A3 (en) 2005-03-03

Family

ID=27637432

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/GB2004/002765 WO2005001460A2 (en) 2003-06-26 2004-06-25 Gas sensor

Country Status (2)

Country Link
GB (1) GB2403295A (en)
WO (1) WO2005001460A2 (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2440750B (en) * 2006-07-21 2009-09-02 Asthma Alert Ltd Gas Sensor
US8449473B2 (en) 2006-10-18 2013-05-28 Anaxsys Technology Limited Gas sensor
US7997791B2 (en) 2007-07-24 2011-08-16 Qimonda Ag Temperature sensor, integrated circuit, memory module, and method of collecting temperature treatment data
CN115876850A (en) * 2022-12-01 2023-03-31 南方电网数字电网研究院有限公司 Carbon monoxide gas-sensitive material and preparation method and application thereof

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4347732A (en) * 1980-08-18 1982-09-07 Leary David J Gas monitoring apparatus
DE4134783A1 (en) * 1991-10-22 1993-04-29 Bosch Gmbh Robert Electroconductive porous inorganic material used as filter or sensor - contains porous inorganic substance, pref. aluminosilicate or aluminium phosphate, and semiconducting metal oxide, pref. tin di:oxide, carbon di:oxide and/or zinc oxide
US5296196A (en) * 1991-02-04 1994-03-22 Toyota Jidosha Kabushiki Kaisha Semiconductor hydrocarbon sensor
WO2001033205A1 (en) * 1999-11-04 2001-05-10 Capteur Sensors And Analysers Limited Semiconductor gas sensors
WO2001038867A1 (en) * 1999-11-23 2001-05-31 Capteur Sensors And Analysers Limited Gas sensors

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4453151A (en) * 1982-06-07 1984-06-05 Leary David J Semiconductor gas sensor
DE3805734A1 (en) * 1988-02-24 1989-08-31 Bosch Gmbh Robert USE OF ZEOLITES AS SPECIFIC ADSORBENTS FOR NO (DOWN ARROW) X (DOWN ARROW) AND CO
JP2001221760A (en) * 2000-02-10 2001-08-17 Fuji Electric Co Ltd Thin-film gas sensor

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4347732A (en) * 1980-08-18 1982-09-07 Leary David J Gas monitoring apparatus
US5296196A (en) * 1991-02-04 1994-03-22 Toyota Jidosha Kabushiki Kaisha Semiconductor hydrocarbon sensor
DE4134783A1 (en) * 1991-10-22 1993-04-29 Bosch Gmbh Robert Electroconductive porous inorganic material used as filter or sensor - contains porous inorganic substance, pref. aluminosilicate or aluminium phosphate, and semiconducting metal oxide, pref. tin di:oxide, carbon di:oxide and/or zinc oxide
WO2001033205A1 (en) * 1999-11-04 2001-05-10 Capteur Sensors And Analysers Limited Semiconductor gas sensors
WO2001038867A1 (en) * 1999-11-23 2001-05-31 Capteur Sensors And Analysers Limited Gas sensors

Also Published As

Publication number Publication date
GB2403295A (en) 2004-12-29
GB0314961D0 (en) 2003-07-30
WO2005001460A2 (en) 2005-01-06

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