Synthesis and photoluminescence of single crystals europium ion-doped BaF2 cubic nanorods

In this work, we used the hydrothermal method to synthesize Eu{sup 3+} ion-doped cubic BaF{sub 2} nanorods, which is a luminescent material. The clubbed structures were well crystallized and exhibited face-centred cubic structures, as indicated by powder X-ray diffraction, scanning electron microscopy, electron diffraction, and transmission electron microscopy. The luminescent properties were studied, and local symmetry surrounding Eu{sup 3+} ions and electronic transition processes included. The results indicated that Eu{sup 3+} occupied only one C {sub 4} {sub {nu}} site in nanorods.