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Title: Gas-sensing properties of Pt-V<inf>2</inf>O<inf>5</inf>thin films for ethanol detection
Authors: Viruntachar Kruefu
Pusit Pookmanee
Anurat Wisitsoraat
Sukon Phanichphant
Keywords: Engineering
Materials Science
Issue Date: 1-Jan-2015
Abstract: © (2015) Trans Tech Publications, Switzerland. In the present work, vanadium pentoxide (V2O5) nanoparticles have been investigated for monitoring ethanol (C2H5OH) at ppm levels in air. A one-step flame spray pyrolysis (FSP) process has been applied for the synthesis of vanadium pentoxide (V2O5) and platinum-loaded vanadium pentoxide (Pt-V2O5) nanoparticles. The samples have been studied to characterize their morphological and microstructural properties by X-ray diffraction and transmission electron microscopy. Pt addition to V2O5samples were verified by energy dispersive X-ray spectrometry mode. The specific surface area of the nanoparticles was measured by nitrogen adsorption method. The application of the produced nanoparticles as sensitive and selective ethanol resistive sensor has been demonstrated. The Pt-loaded V2O5sensor has shown higher response towards ethanol at ppm-level concentrations compared to unloaded one.
ISSN: 10139826
Appears in Collections:CMUL: Journal Articles

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