Abstract
Mn-doped CeO 2 nanorods have been prepared from CeO 2 particles through a facile composite-hydroxide-mediated (CHM) approach. The analysis from X-ray photoelectron spectroscopy indicates that the manganese doped in CeO 2 exists as Mn 2+. The magnetic measurement of the Mn-doped CeO 2 nanorods exhibits an enhanced ferromagnetic property at room temperature with a remanence magnetization (Mr) of 1.36 × 10 −3 emu/g and coercivity (Hc) of 22 Oe. Comparative UV–visible spectra reveal the shift of the absorption peak of the CeO 2 from ultraviolet region to visible light region after being doped with Mn. The room temperature ferromagnetic properties and light absorption of the Mn-doped CeO 2 nanorods would have potential applications in photocatalysis and building of photovoltaic devices.
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