室温下简易合成LaF_3纳米粒子  

Facile Synthesis of LaF_3 Nanoparticles at Room Temperature

作　　者：马璐[1,2] 谭克俊[1,2] 黄承志[1,3] 朱进[1,2] 

机构地区：[1]发光与实时分析教育部重点实验室,重庆400715 [2]西南大学化学化工学院,重庆400715 [3]西南大学药学院,重庆400715

出　　处：《西南师范大学学报（自然科学版）》2009年第3期56-59,共4页Journal of Southwest China Normal University(Natural Science Edition)

基　　金：国家自然科学基金资助项目(20877063);重庆市科委资助项目(CSTC;2007BB7360;2006CA8006);西南大学资助项目(SWUB2006007)

摘　　要：以十六烷基三甲基溴化铵(CTAB)作表面活性剂,室温下直接沉淀反应制备LaF3纳米粒子,并用扫描电子显微镜(SEM)、X射线衍射仪(XRD)和荧光分光光度计进行了结构和光谱表征.结果表明,LaF3纳米粒子呈片状,直径40nm左右,结晶性能良好.LaF3 nanoparticles were prepared via precipitation of rare-earth trifluoride at room temperature with CTAB（cetyl trimethyl ammonium bromide）as the surface activator.The structure and spectral properties of the nanocrystals were characterized by means of scanning electron microscopy,powder X-ray diffraction and fluorescence spectrophotometry.The nanoparticle products obtained were found to be of plate shape with a size of 40 nm and proved to have excellent crystallization properties.

关 键 词：LAF3 稀土 纳米粒子 

分 类 号：O614.33[理学—无机化学]