منابع مشابه
Development of SiC-FET methanol sensor
A silicon carbide based field effect transistor (SiC-FET) structure was used for methanol sensing. Due to the chemical stability and wide band gap of SiC, these sensors are suitable for applications over a wide temperature range. Two different catalytic metals, Pt and Ir, were tested as gate contacts for detection of methanol. The sensing properties of both Ir gate and Pt gate SiC-FET sensors w...
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This paper presents the simulation, fabrication and characterization of a microFET (field effect transistor) pressure sensor with readout circuits. The pressure sensorincludes 16 sensing cells in parallel. Each sensing cell that is circular shape is composed ofan MOS (metal oxide semiconductor) and a suspended membrane, which the suspendedmembrane is the movable gate of the MOS. The CoventorWar...
متن کاملProposal of Exponentially Sensitive Stress Based Sensor Using Flexure-fet
In this paper, we demonstrate that a Flexure-FET [1] (flexure sensitive field effect transistor) can dramatically enhance the sensitivity of stress based chem-bio sensors. A Flexure-FET translates any change in the stress of the suspended gate into corresponding change in the drain current of the integrated transistor, thereby offering direct electrical readout of the sensor signal. Moreover, w...
متن کاملSiC-FET sensors for selective and quantitative detection of VOCs down to ppb level
With the increased interest in development of cheap, simple means for indoor air quality monitoring, and specifically in relation to certain well-known pollutant substances with adverse health effects even at very low concentrations, such as different Volatile Organic Compounds (VOCs), this contribution aims at providing an overview of the development status of the silicon carbide field effect ...
متن کاملPlatinium-Ruthenium electrocatalyst as sensor electrode for methanol oxidation
Hybrid nanocomposites of binary Pt-Ru/Polyaniline were prepared by oxidative polymerization of aniline andformation Pt and Ru nanoparticles. The polymerization of aniline was carried out in the presence of Potassiumhexa cyano Platinate (IV) and Ruthenium (III) nitrosyl nitrate as oxidizing agents. During the reaction anilinemonomers undergo oxidation and form polyaniline (PANi) whereas the redu...
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ژورنال
عنوان ژورنال: Sensors and Actuators B: Chemical
سال: 2011
ISSN: 0925-4005
DOI: 10.1016/j.snb.2011.07.015