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One-pot synthesis and characterization of a mixture of Ga2O3 and SnO2 nanofibers

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초록

We have achieved simultaneous production of gallium oxide (Ga2O3) and tin oxide (SnO2) one-dimensional (1D) nanostructures by heating a mixture of GaN and Sn powders at 900º C. X-ray diffraction and transmission electron microscopy analysis revealed that the product corresponded to a mixture of monoclinic Ga2O3 nanofibers and tetragonal rutile SnO2 nanofibers. We suggest the growth mechanisms of Ga2O3 nanofibers and SnO2 nanofibers to be vapor-solid and vapor-liquidsolid processes, respectively. The photoluminescence (PL) measurement with a Gaussian fitting exhibited visible light emission bands in the blue, yellow-green, and orange regions. The PL spectrum of the mixture of Ga2O3 and SnO2 nanofibers was a combination of the PL spectra from the Ga2O3 and SnO2 nanostructures.

Abstract

We have achieved simultaneous production of gallium oxide (Ga2O3) and tin oxide (SnO2) one-dimensional (1D) nanostructures by heating a mixture of GaN and Sn powders at 900º C. X-ray diffraction and transmission electron microscopy analysis revealed that the product corresponded to a mixture of monoclinic Ga2O3 nanofibers and tetragonal rutile SnO2 nanofibers. We suggest the growth mechanisms of Ga2O3 nanofibers and SnO2 nanofibers to be vapor-solid and vapor-liquidsolid processes, respectively. The photoluminescence (PL) measurement with a Gaussian fitting exhibited visible light emission bands in the blue, yellow-green, and orange regions. The PL spectrum of the mixture of Ga2O3 and SnO2 nanofibers was a combination of the PL spectra from the Ga2O3 and SnO2 nanostructures.

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