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The detection of air quality pollutants as BTEX gases under real conditions can be influenced by the humidity in the air and the presence of interfering gases. The humidity often limits the performances of gas sensors, particularly in terms of sensitivity. Using a sensitive layer of 50 nm of tungsten trioxide on a new micro hotplate transducer designed in our laboratory, very low BTEX concentrations...
This paper presents fabrication and characterization of flexible temperature sensor patterned by laser ablation. This work covers the preliminary study on the resistive temperature devices (RTDs) reference sensors used to measure the temperature of human body for health applications. The sensors are composed of different materials like platinum (Pt), copper (Cu) and silver (Ag) as sensitive materials...
ZnO nanoparticles thin films were deposited with different thicknesses on Kapton flexible substrates by drop coating method. The flexible platform consists in Ti/Pt interdigitated electrodes for gas detection and a heater device fabricated by Magnetron Sputtering and photolithography process. The thickness effects of the ZnO thin film on the gas sensing properties by ozone exposure at 200 °C has been...
Since many years, semiconductor industry and public research have studied intensively organic materials, especially conductive polymers. The polymeric semiconductors combine the photoelectrical properties of inorganic semiconductors with the large-scale, low-cost technology of polymeric 'plastic' materials. Besides products such as organic light emitting already available in the market, many applications...
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