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|Title:||Ether gas-sensor based on Au nanoparticles-decorated ZnO microstructures||Authors:||Roberto López
ENRIQUE VIGUERAS SANTIAGO
ALFREDO RAFAEL VILCHIS NESTOR
VICTOR HUGO CASTREJON SANCHEZ
MARCO ANTONIO CAMACHO LOPEZ
NAYELY TORRES GOMEZ
|Keywords:||zno microstructures;au nanoparticles;ether;gas sensor;info:eu-repo/classification/cti/2||Publisher:||Results in Physics||Project:||7;||Description:||Trabajo de Investigación derivado de la estancia Posdoctoral del Dr. Roberto López
An ether gas-sensor was fabricated based on gold nanoparticles (Au-NPs) decorated zinc oxide microstructures (ZnO-MS). Scanning electron microscope (SEM) and high-resolution transmission elec- tron microscope (HRTEM) measurements were performed to study morphological and structural proper- ties, respectively, of the ZnO-MS. The gas sensing response was evaluated in a relatively low temperature regime, which ranged between 150 and 250 C. Compared with a sensor fabricated from pure ZnO-MS, the sensor based on Au-NPs decorated ZnO-MS showed much better ether gas response at the highest working temperature. In fact, pure ZnO-MS based sensor only showed a weak sensitivity of about 25%. The improvement of the ether gas response for sensor fabricated with Au-NPs decorated ZnO-MS was attributed to the catalytic activity of the Au-NPs.
Investigación realizada bajo proyecto UAEM 1025/2014RIFC
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