Hierarchical nanostructures of ZnO obtained by spray pyrolysis
作者： T. Dedova , M. Krunks , I. Oja Acik , D. Klauson , O. Volobujeva
DOI: 10.1016/J.MATCHEMPHYS.2013.04.026
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摘要: Abstract A two step spray pyrolysis deposition method was applied in order to grow ZnO nanorod core/ZnO shell hierarchical nanostructures with various surface morphologies, such as a highly organised platelet network on the side facets of rod and bundles nanoneedles top plane rod. First, well-shaped nanorods lengths ca. 1 μm average diameters 150–300 nm were deposited from zinc chloride (ZnCl 2 ·2H O) aqueous solutions onto TCO/glass substrates. Then, acetate (Zn(CH 3 COO) solution pulverised over sprayed at growth temperature approximately 330 °C within 6–10 min. The obtained structures characterised by high resolution SEM, UV–VIS XRD. To estimate areas photocatalytic ability bare rods structures, their adsorption activity oxidation doxycycline measured. It found that area comprised platelets is least 4 times larger than structural morphological properties largely depend spraying rate shape.
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