Growth of calcium vanadate nanorods

Calcium vanadate nanorods with sheaf-shaped structures have been synthesized by a facile hydrothermal route using calcium acetate and sodium orthovanadate as the rawmaterials. The asprepared calcium vanadate nanorods are characterized by X-ray diffraction (XRD), scanning electron microscopy (SEM), transmission electron microscopy (TEM), and infrared and photoluminescence (PL) spectroscopy. Calcium vanadate nanorods exhibit single crystalline structure and XRD confirms the crystal structure to be hexagonal Ca10V6O25 phase. The average diameter and length of the calcium vanadate nanorods are about 50 nm and 3 mu m, respectively. A possible formation process of the nanorods has been elucidated.