Facile Synthesis and Characterization of NdF_3:Tb~(3+) Nanorods

摘要

The highly uniform NdF_3:Tb~(3+) nanorods were successfully synthesized using simple wet chemical rout carried out in an aqueous solution at low temperature. The synthesized NdF_3:Tb~(3+) nanorods were characterized by X-ray diffraction, transmission electron microscopy (TEM), UV/Vis absorption and photoluminescence spectroscopy. TEM micrographs show nearly mono-dispersed rod shaped particles have an average size ～30 nm. Photoluminescence spectra of doped nanocrystals exhibited two broad emission transitions in the middle of visible region at 530 nm and 595 nm, which correspond to ~4G_(7/2) → ~4I_(9/2) and ~4G_(7/2) → ~4I_(11/2) transitions of neodymium ion, respectively. The green and orange emissions were attributed to transitions from the ~4G_(7/2) excited state. The synthesized nanocrystals have their potential applications in many technological fields such as optoelectronics devices.