Abstract
CeO2 nanorods have been successfully synthesized by a facile one-step hydrothermal synthesis route only using Na3PO4·6H2O as mineralizer without any surfactant or template. XRD, SEM, TEM, XPS, Raman scattering, Photoluminescence spectra and UV–vis were employed to characterize the samples. The results showed that all the samples have a fluorite cubic structure and there are Ce3+ ions and oxygen vacancies in the surface of non-doped CeO2 nanorods. The visible luminescence exhibits similar emission peaks of room temperature photoluminescence and the emission intensity increases with the increase of concentration of Nd ions and then decrease. The band gap decreases with the increase of dopant, Nd3+ ions result in an effective red shifting of the band gap.
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