碱型Mn_3O_4/Tm_2O_3复合纳米材料的制备及其催化性能  

Preparation of Basic Mn_3O_4/Tm_2O_3 Nanoparticles and Effect of Catalyst

作　　者：朱展才[1] 朱国辉[1] 冯锦华[1] 

机构地区：[1]漳州职业技术学院食品工程系,福建漳州363000

出　　处：《漳州师范学院学报（自然科学版）》2004年第4期75-79,83,共6页Journal of ZhangZhou Teachers College（Natural Science)

摘　　要：用溶胶-凝胶法制备 Mn_3O_4/Tm_2O_3复合纳米材料; 应用 X 射线粉末衍射仪(XRD), 透射电子显微镜(TEM), 红外光谱分析方法(FTIR)等手段对样品进行表征,得出纳米粒子为四方晶系,平均粒径为 38.0nm; 并研究了碱型 Mn_3O_4/Tm_2O_3 复合纳米材料对有机农药甲胺磷的催化增敏作用, 结果表明质量比 Mn:Tm=100:0.1 与在400℃下灼烧 2h 的纳米材料的催化增敏作用最佳.The Mn_3O_4/Tm_2O_3 and basic Mn_3O_4/Tm_2O_3 nanoparticles were prepared by a Sol-Gel method.The powder is characterized by XRD,TEM and FTIR,showing that the powder is Mn3O4 square crystalloid,and the average diameter is 30.8nm.The effect of catalyst were studied on the increase sensitivity of methamilophos, it was found out increase sensitivity best when mMn : mTm= 100.0 : 0.1and be calcinated under 400℃ for 2 h..

关 键 词：催化性能 X射线粉末衍射 增敏作用 FTIR 表征 复合 溶胶-凝胶法 纳米材料 纳米粒子 透射电子显微镜 

分 类 号：TB383[一般工业技术—材料科学与工程] O643[理学—物理化学]