溶胶凝胶法制备二氧化锡纳米晶体  

Preparation of tin dioxide nanocrystal by sol-gel methods

作　　者：王迪[1] 田均庆 张书涛[1] 张易楠 石海英[1] 郑威[1] 

机构地区：[1]哈尔滨理工大学,哈尔滨150080

出　　处：《哈尔滨商业大学学报（自然科学版）》2014年第2期224-228,共5页Journal of Harbin University of Commerce：Natural Sciences Edition

基　　金：教育部留学归国科研启动基金(20110039);黑龙江省普通高等学校新世纪优秀人才培养计划(2010-15);哈尔滨理工大学2013大学生创新实验项目

摘　　要：以四氯化锡(SnCl4·5H2O)为前驱原料,采用溶胶凝胶法制备纳米SnO2.利用X射线衍射(XRD)、扫描电镜(SEM)等分析手段对其进行表征,考察了反应物配比、SnCl4浓度、煅烧温度等实验条件对纳米SnO2粉体的晶体结构、粒度及分散性的影响,结果表明,在四氯化锡水溶液浓度为0.63511 mol/L,氨水溶液为4 mol/L,600℃烧结3 h得到的粉体结晶性好、晶体尺寸合适、比表面积大、并具有良好的分散性.With SnCl 4 ＆#183; 5 H2 O as the precursor material , nanometer tin dioxide crystals were prepared using the sol -gel method .The tin dioxide crystals were characterized by X -ray diffraction （XRD） and scanning electron microscopy （SEM） analysis method.Furthermore, a series of investigations were performed about the influences of the ratio of reactants , the concentration of stannic chloride and the calcination temperature on the crystal structure of tin oxide nanoparticles , particles and dispersion .Results showed that on such conditions as the concentration of stannic chloride aqueous solution at 0.635 1 mol/L, ammonia solution at 4 mol/L, sintering powder for 3 h at 600℃, a good crystallization , a big specific surface ar-ea, and a good dispersion could be received .

关 键 词：二氧化锡 纳米晶体 溶胶凝胶 

分 类 号：TB383[一般工业技术—材料科学与工程]