Possibility of Shape Control of ZnO Nanostructures Grown by Atmospheric-pressure CVD Utilizing Catalytic Materials

Tomoaki Terasako; Daisuke Saito; Keisuke Taira; Atsushi Nishinaka; Tomoya Yamaguchi; Sho Shirakata

doi:10.1380/ejssnt.2009.78

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Possibility of Shape Control of ZnO Nanostructures Grown by Atmospheric-pressure CVD Utilizing Catalytic Materials

Tomoaki Terasako, Daisuke Saito, Keisuke Taira, Atsushi Nishinaka, Tomoya Yamaguchi, Sho Shirakata

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Keywords: Zinc oxide, Nano-wires, Catalysis, Chemical vapor deposition, Scanning electron microscope, X-ray diffraction, Photoluminescence

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2009 Volume 7 Pages 78-83

DOI https://doi.org/10.1380/ejssnt.2009.78

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Abstract

A variety of vertically aligned ZnO nanostrutures, such as nanorods, pencil-like nanorods and nanowalls, was successfully grown on sapphire substrates coated with Au nanocolloidal solutions by atmospheric-pressure CVD using Zn powder and H₂O as source materials. Shapes of the nanorods grown on the sapphire substrates coated with the diluted solution of enhanced metalorganic decomposition for NiO film depended strongly on degree of dilution of the solution. Possibility of diameter control using the Ni particles embedding in zeolite supports as catalytic material was also found. [DOI: 10.1380/ejssnt.2009.78]

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