水热法制备PDP纳米荧光材料及其表征.pdf

第38卷第7期 应用化工 V01．38No．7 Chemical Jul．2009 2009年7月 Applied Industry 水热法制备PDP纳米荧光材料及其表征 胡玉才，周丽，于学华，梁涛，杨迎霞 (鲁东大学化学与材料科学学院．山东烟台264025) 摘要：采用水热法制备PDP荧光材料并分析其表征图．结果表明。相同温度下，随着铈在试样中所占比例增加，试样 的发射光谱发生蓝移，fEi发光强度有所减弱；相同温度下，掺杂元素铈、镨在试样中所占比例相同时，试样的晶系和结 nm 构参数基本小变，掺杂铈的样品发光强度较大；样品粒径分布均匀，分散性好，无团聚，形状规则，平均粒径在100 范围内，说明水热法足较好的制备PDP纳米荧光材料的方法。 关键词：PDP；荧光粉；纳米发光材料；水热合成法；表征 中图分类号：o611．4 文献标识码：A 文章编号：1671—3206(2009)07—0974—03 andcharacterizationofPDPnano Preparation materials luminous byhydrothermalsynthesis HU Yu—cai，ZHOULi，YUXue—hua，LIANGTao，YANG Ying—xia of andMaterials (SchoolChemistry Science，LudongUniversity，Yantai264025，China) materialsweremadewiththe of andthecharacter- Iumlnous method Abstract：PDP hydrothermalsynthesis ization were indetails．Theresultsshowedthatatthesame of200℃．withthe maps analyzed temperature shareofceriuminthe emission ofthe isblue—shiftedandthelumi- increasing sample．the spectrumsample nescence isweakened．Whentheelementsceriumand are inthesame intensity praseodymiumdoped pro- indifferent andthestructural are atthe portion samples．thecrystal parametersbasicallyunchangedtemper- atureof200oC．Theluminescenceofthe ceriumis withuniform intensitysampledoped higher．Thesamp