Abstract
Zn2SnO4 nanotubes have been fabricated via a solution approach with the aiding of anodic aluminum oxide template. Microstructure analysis reveals that the as-prepared Zn2SnO4 nanotubes are polycrystalline and cubic spinel structured. Zn2SnO4 nanowires can also be successfully synthesized by prolonging the reaction time without changing other condition. A formation mechanism of Zn2SnO4 nanostructures has been proposed based on heterogeneous nucleation on AAO template pore walls. The photocatalytic activity study indicated that Zn2SnO4 nanotubes have a higher efficiency than nanowires. This may be induced by their hollow tube structure with larger specific surface area and more photocatalytic active sites.
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