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Au nanoparticle-functionalised WO3 nanoneedles and their application in high sensitivity gas sensor devices
Stella Vallejos1, Toni Stoycheva, Polona Umek
1Departament d'Enginyeria Electrònica, Universitat Rovira i Virgili, Països Catalans 26, 43007 Tarragona, Spain.
Chemical Communications (Cambridge, England)
|November 25, 2010
Abstract:
A new method of synthesising nanoparticle-functionalised nanostructured materials via Aerosol Assisted Chemical Vapour Deposition (AACVD) has been developed. Co-deposition of Au nanoparticles with WO(3) nanoneedles has been used to deposit a sensing layer directly onto gas sensor substrates providing devices with a six-fold increase in response to low concentrations of a test analyte (ethanol).
