摘要
通过一种简单的脂肪醇聚氧乙烯醚(AEO-3)-环己烷-氨水微乳液体系制得了纳米La2O3。利用傅立叶转换红外光谱仪(FT-IR)、激光粒径分布仪、X射线衍射仪(XRD)、差示扫描量热仪(DSC)和透射电子显微镜(TEM)表征了所得样品的形貌和结构。结果表明,该方法所得纳米La2O3的粒径分布均匀;纳米La2O3前驱体表面吸附有表面活性剂AEO-3,这有利于纳米粒子的分散;经煅烧后的纳米La2O3属于六方晶型结构。
Well-dispersed La2O3 nanoparticles were successfully prepared in a simple system made of AEO（3）-hexanaphthene-ammonia（W/O） microemulsion in this paper.The modality and microstructure of the products were characterized by the analyzer of the laser particle size,the infrared analyser of Fourier transform（FT-IR）,X-ray diffractometer（XRD）,differential scanning calorimeter（DSC） and transmission electron microscope（TEM）.In this work,it was found that the La2O3 nanoparticles obtained from this method have well-proportioned size distributions;the surfactant（AEO-3） molecule was adsorbed on the surface of La2O3 nanoparticles precursor,which is favorable for the dispersion of La2O3 nanoparticles;the La2O3 nanoparticles calcined was a crystal of the hexagonal structure.
出处
《功能材料》
EI
CAS
CSCD
北大核心
2011年第1期37-39,共3页
Journal of Functional Materials
基金
四川省应用基础研究资助项目(2009JY0072)
四川理工学院科研启动基金资助项目(2009SK4)
关键词
LA2O3
纳米材料
微乳法
制备
表征
La2O3
nanoparticle
microemulsion
preparation
characterization
