Synthesis of Long Afterglow Phosphors Doped B SrAl2O4: Eu2 + , Dy3 + and Its Luminescent Properties

摘要：

The long afterglow luminescent material SrAl2O4:Eu2+, Dy3+ was prepared by high temperature solid-state method. Effects of doped B on the luminescent properties of phosphors SrAl2O4: Eu2+, Dy3+ were investigated by means of excitation spectra, emission spectra and X-ray diffraction analysis. As the result, the addition of H3BO3 as flux promotes the growth of crystalline and reduces the synthesizing temperature, but the wavelength of emission peak of photoluminescent material did not change with the variation of H3BO3 content. The effect of Dy3+ concentration on the luminescent properties of material was investigated. It was found that the luminescence of phosphors prepared under the condition of the amount of H3BO3 5％ and the mole ratio of Eu/Dy =1/7(Eu =0.02 mole) had better luminescent property and longer afterglow time.

关键词： materials synthesis and machining technology long afterglow luminescent material SrAl2O4: Eu2+, Dy3+ doped B luminescent properties rare earths

作者: Qiu Guanming Chen Yongjie Cui Jingqiang Geng Xiujuan Wang Hui Song Bo

作者单位: School of Materials and Engineering, Changchun Science and Technology University, Changchun 130022,C School of Applied Chemistry, Shenyang Institute of Chemical Technology, Shenyang 110142, China;Schoo School of Applied Chemistry, Shenyang Institute of Chemical Technology, Shenyang 110142, China School of Materials and Engineering, Changchun Science and Technology University, Changchun 130022,C

会议类型: 国际会议

会议名称: 2006稀土玻璃陶瓷国际学术年会

会议地点: 海口

会议语种:英文

页码: 86-89

在线出版日期: 2006-11-13（万方平台首次上网日期，不代表论文的发表时间）