Abstract
Sn1−x Ni x O2 nanostructures such as nanocubes, nanospheres and hollow spheres were synthesized by a simple hydrothermal method. Room temperature photoluminescence spectra of the as-synthesized samples display a strong yellow emission at about 600 nm and a weak blue emission at about 430 nm. The as-prepared and annealed Sn1−x Ni x O2 (x = 0, 0.01, 0.02, 0.04) were characterized by X-ray diffraction, field emission scanning electron microscopy, Raman spectrum, UV–Vis absorption spectra, and room temperature photoluminescence spectra. By investigating the relationship between the Raman band centered at 560 cm−1 and the photoluminescence of the samples, we suggest that the broad yellow emission and weak blue emission primarily originate from singly ionized oxygen vacancies and tin interstitials, respectively.
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Zhou, G., Ni, S., Sun, X. et al. Visible photoluminescence of hydrothermal synthesized Sn1−x Ni x O2 nanostructures. J Mater Sci: Mater Electron 22, 174–178 (2011). https://doi.org/10.1007/s10854-010-0109-8
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DOI: https://doi.org/10.1007/s10854-010-0109-8