Abstract
Hybrid WO3–CNT (carbon nanotube) films were prepared in two steps: in the first step, the drop coatingmethod was employed for coating silicon substrates with a MWCNT (multiwalled CNT)film prepared with oxygen plasma functionalized MWCNTs; in the second step, a layer ofWO3 nanoparticles was deposited over the MWCNT film by using an advanced gas deposition unit. TheWO3 nanoparticles are formed by condensation. SEM images show that themorphology of the hybrid films is characterized by an overlayer formed fromWO3 particles anchored at the surface of a well-dispersed MWCNTunderlayer. TEM images show that the hybrid films are composed of aWO3 matrix supported through a dispersed mesh of CNTs—the CNTs act as internal pillars.This morphology increases the surface area for gas interaction.
Published Version
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