高亮度钒磷酸钇铕荧光粉的制备  

Preparation of high-luminance Y(V_xP_(1-x))O_4:Eu～(3+) phosphor

作　　者：王涛[1] 张瑞西[1] 井艳军[1] 朱月华[2] 王苏[2] 王海波[2] 

机构地区：[1]南京工业大学材料科学与工程学院,江苏南京210009 [2]南京工业大学电光源材料研究所,江苏南京210015

出　　处：《化工进展》2008年第8期1280-1283,1301,共5页Chemical Industry and Engineering Progress

摘　　要：以氧化钇、氧化铕为原料,以偏钒酸铵、磷酸氢二铵作沉淀剂,采用共沉淀法制得Y(VxP1-x)O4:Eu3+。通过扫描电镜XRD、发射和激光光谱以及发光亮度测试,与高温固相法相比,共沉淀法合成的钒磷酸钇铕粒度更小、分布更均匀,且发光亮度更佳。改变样品中V/P的物质的量之比,可以调节其发光效果。By using yttrium oxide and europium oxide as starting materials, europium-doped yttrium phosphate-vanadate phosphors were prepared by the co-precipitation method with ammonium metavanadate and ammonium monoacid phosphate as precipitating agent. The sample was investigated by scanning electron microscope （SEM）, X-ray diffraction （XRD）, excitation spectra and emission spectra and brightness test. The SEM images showed that the particles of the sample were more uniform and smaller than those made by the solid-state method. And the sample also had higher emission intensity. The chromaticity coordinate and color rendering index could be adjusted via changing V/P in the sample.

关 键 词：高压汞灯 钒磷酸钇铕 荧光粉 共沉淀法 

分 类 号：O482.31[理学—固体物理]