The catalytic activity of highly ordered nanotubular vanadium (V) oxide was compared to a commercial sample of vanadium (V) oxide that was devoid of any nanostructuring.  Nanotubular vanadium (V) oxide was conveniently prepared via the direct anodization of vanadium in fluoride electrolytes. The highly ordered nanotubes were cleaned from the V substrate by gentle stripping with a knife.  SEM images revealed a significant increase in available surface area for catalysis relative to commercial samples.  The rates of oxidation mediated by nanotubular and commercial V2O5 samples were compared in a number of known oxidation protocols.  Nanostructuring of the vanadium oxide catalyst imparts a significant rate enhancement in the oxidation of various organic substrates relative to the rates observed for conventional samples of V2O5.

Nanostructured vanadium (V) oxide catalysts for organic oxidations

245th National Meeting (2013)

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