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Brief Communications

Synthesis of zinc oxide nanostructures catalytically active in the optical range without irradiation

M. M. Kasumov

V. I. Vernadsky Institute of General and Inorganic Chemistry, National Academy of Sciences of Ukraine, Kiev

Abstract: A technique for synthesizing catalytically active zinc oxide-based nanostructures is described. The synthesis product represents a blue-gray powder. When it is introduced into a water solution of methyl orange the latter bleaches out both under daylight and in the dark. The activity of the material is measured by the Kubelka–Munk formula in the wavelength range 0.3–1.8 $\mu$m. As follows from X-ray phase analysis data, the synthesized material is a composite consisting of hexagonal structures with the parameters ZnO [$\mathbf{a}$ : 3.2491, $\mathbf{c}$ : 5.2046] and Zn [$\mathbf{a}$ : 2.6639, $\mathbf{c}$ : 4.9397]. A mechanism underlying the formation of a ZnO–Zn nanocomposite is suggested.

Received: 07.11.2011
Accepted: 13.03.2012

 English version: Technical Physics, 2012, 57:9, 1304–1306

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