反相微乳液碳吸附耦合法制备氧化钇稳定四方氧化锆纳米粉体及表征  

Preparation and Characterization of Nanometer-Sized Y_2O_3/ZrO_2 Particles by the Coupling Route of Reverse Micelles with Corbon Absoption

作　　者：郭贵宝[1,2] 云峰[1] 安胜利[2,3] 

机构地区：[1]内蒙古科技大学化学与化工学院,内蒙古包头014010 [2]北京科技大学冶金与生态工程学院,北京100083 [3]内蒙古科技大学材料与冶金学院,内蒙古包头014010

出　　处：《稀土》2010年第1期57-60,共4页Chinese Rare Earths

基　　金：内蒙古自治区优秀学科带头人基金项目资助(20071103);高校青年教师教学科研奖励计划项目

摘　　要：采用反相微乳液和碳吸附法制备了氧化钇稳定四方氧化锆纳米粉体,探讨了碳黑的加入量对粉体比表面积的影响,得到最佳的碳黑量。分别采用XRD、TEM、BET和TG分析了不同温度下煅烧所得粉体的物相、颗粒度和比表面积以及前驱体热分解特性。实验结果表明,经700℃焙烧后制得了分散性好的四方相ZrO2纳米粉体,比表面积为97.4m2/g,平均粒径为9nm。The nano-sized Y2O3/ZrO2powders were synthesized by a reverse micelle and corbon adsorption method.The effect of the amount of added carbon on the nano-powder size was investigated.The optimum content of carbon was found.Then nano-sized Y2O3/ZrO2powder was produced through calcining precursor at different temperatures.The calcined powder was measured by means of XRD,TEM and TG.The results show that nano-sized Y2O3/ZrO2powder calcined at 700℃ have a high dispersion behavior and a surface area of 97.4m^2/g.The average particle size is about 9nm.The particle size is enhanced gradually with the increasement of calcination temperature.

关 键 词：氧化锆 纳米粉体 碳吸附 微乳液 

分 类 号：O614.33[理学—无机化学]