Surface Plasmon Resonance Gas Sensors Using Au-WO3-x Nanocomposite Films

Abstract

Surface plasmon resonance (SPR) of metal-dielectric composite films formed by noble metal nanoparticles embedded in a dielectric is very sensitive to the changes in the refractive index of the dielectric induced by physical absorption or chemical reactions and is therefore exploited for gas sensing applications. In this study, Au-WO3-x nanocomposite thin… (More)

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