Lanthanide-doped W<inf>18</inf>O<inf>49</inf>nanowires: Synthesis, structure and optical properties

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Journal Article
Materials Letters, 2018, 214 pp. 232 - 235
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© 2017 The effects of Ce- and La-doped WOxnanostructures on the morphology and crystal structures of WOxnanowires are investigated first, then the impact of these dopants on the cathodoluminescence (CL) properties of the WOxnanowires is studied. The dopants induced a morphological evolution and crystalline lattice expansion of the WOxnanostructures. By analyzing the surface composition and oxidation state ratios of W5+/W6+in each sample using X-ray photoelectron spectroscopy, we attempt to interpret the observed CL spectra shift from ultraviolet to blue emission of the Ce- and La-doped nanowires.
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