Noble Metal Functionalized MoO3: NiO Nanocomposite for Fabrication of CO2Gas Sensor
Journal Title: International journal of Emerging Trends in Science and Technology - Year 2018, Vol 5, Issue 12
Abstract
Over the past few years, considerable interest has been focused on semiconducting nanoparticles due to their potential applications in diverse fields including catalysis, magnetic recording media, microelectronics, gas sensors, etc. In our present study, we describe the design, fabrication and gas sensing performance of p-NiO/n-MoO3(MN) nanocomposites functionalized by noble metal Au (MNA) in order to develop a reliable sensor for CO2gas detection since it is odorless, highly hazardous and toxic green house gas which affects the environment and human health. The formation of the nanocomposite was systematically reviewed and confirmed by X-Ray Fluorescence Spectroscopy (XRF) and X-Ray Diffraction (XRD) patterns. The MN nanocomposite impregnated with noble metal –Au (MNA) showed better efficiency of S=87.86% towards Carbon dioxide (CO2) gas compared to MN (S=80%) and selectivity towards CO2in comparison to other interfering gases with superior stability.
Authors and Affiliations
M. V. Manasa
Keywords
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