Microstructure and Luminescence Properties of Eu3+-doped BiPO4 Phosphors by Hydrothermal Synthesis Method

Abstract

In this paper, the hydrothermal method was used to synthesis the Eu 3+ ions activated BiPO4 powders.The characteristic of the BiPO 4 :xEu 3+ samples were analyzed with different testing methods.XRD results show that Eu 3+ -doped BiPO 4 samples presented a hexagonal structure, and with the increasing of Eu 3+ concentration, angle of diffraction peaks becomes larger.The SEM images show that the Eu 3+ -doped BiPO 4 powders are rod like crystals and it was estimated that the sub micrometer sizes were between 0.1-0.15μm.The best excitation wavelength was 395nm.The fluorescence emission spectra of BiPO 4 :xEu 3+ samples showed that the bands of different positions have associated with the 5 D 0 → 7 F J electronic transitions characteristics of the Eu 3+ ions.The intensity of emission spectra increases to the highest as the dosage concentration of Eu 3+ ions up to 0.05mol.