Abstract
The addition of alkali ions (Na, K and Rb) to silica-supported vanadium oxide results in the formation of surface vanadate species which is excited by the light with wavelengths of around 400 nm. Propanone was selectively formed from propane and oxygen over alkali-ion-modified silica-supported vanadium oxides by the photoirradiation of light with wavelengths of λ > 390 nm.
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