Influence of hydrothermal temperature on structure and
photoluminescence property of Cedoped ZnO nanorods
1.School of Chemistry and Chemical Engineering, Jiangsu University, Zhenjiang, Jiangsu 212013, China; 2.College of Physics, Jilin Normal University, Siping, Jilin 136000, China
Abstract：The Cedoped ZnO nanorods were synthesized by the simple hydrothermal method, and the effects of hydrothermal temperature on the structure and photoluminescence property of Cedoped ZnO nanorods were also discussed. The structures and optical properties of assynthesized nanorods were investigated by Xray diffraction, transmission electron microscope, energy dispersive Xray spectrum, photoluminescence spectroscopy and UVvis spectrophotometer. The results show that the increase of hydrothermal temperature is beneficial to the incorporation of Ce ions into the lattice position of Zn ions in ZnO, and the Ce ions are +4 oxidation valance state. The average diameter of Cedoped ZnO nanorods is less than 10 nm, and the length is increased with the increasing of hydrothermal temperature. According to calculation results, the relative PL intensity ratio of ultraviolet emission to deep level emission of ZnO nanorods is increased with the increasing of hydrothermal temperature, which mainly due to the improvement of crystallization quality. The redshift of absorption peaks in UVvis spectra is induced by various hydrothermal temperature.
2015, Vol. 36 
