微波辐射下CeO2纳米粉末的制备及表征

1.兰州城市学院,化学系,绿色化学实验与教学研究所,甘肃,兰州,730070

2.兰州城市学院,化学系,绿色化学实验与教学研究所,甘肃,兰州,730070

3.兰州城市学院,化学系,绿色化学实验与教学研究所,甘肃,兰州,730070

4.兰州城市学院,化学系,绿色化学实验与教学研究所,甘肃,兰州,730070

5.兰州城市学院,化学系,绿色化学实验与教学研究所,甘肃,兰州,730070

Preparation and Characterization of CeO2 Nanopowders under Microwave Irradiation

以柠檬酸为配体,在微波辐射下用sol-gel法制得了CeO2纳米粉末,成胶时间从普通加热时的24h缩短为10min,经XRD、TEM表征,平均粒径为8nm.探讨了金属与配体的浓度、摩尔比、微波辐射功率对CeO2纳米粉末制备的影响.

[1]	徐甲强,王焕新,张建荣,沈嘉年.微波水解法制备纳米ZnO及其气敏特性研究[J].无机材料学报,2004(06):1441-1445.
[2]	Xin Ge;Shenghua Hu;Qing Sun;Jianyi Shen .Surface Acidity/Basicity and Catalytic Reactivity of CeO_2/γ-Al_2O_3 Catalysts for the Oxidative Dehydrogenation of Ethane with Carbon Dioxide to Ethylene[J].Journal of Natural Gas Chemistry,2003(2):119-122.
[3]	贺拥军,杨伯伦.微乳液和均匀沉淀耦合法制备CeO2纳米粒子[J].化学通报,2003(02):120-124.
[4]	Chu X;Chung W;Schmidt L D .Sintering of sol-gel prepared submicrometer particles studied by transmission electron microscopy[J].Journal of the American Ceramic Society,1993,76(08):2115-2118.
[5]	Matijevic E;Hsu W P .Preparation and properties of monodispersed colloidal particles of lanthanide compounds[J].Journal of Colloid and Interface Science,1987,118(02):506-523.
[6]	侯文华;徐林;邱金恒等.采用不同方法制备CeO2 超细粒子-Ⅰ.溶胶-凝胶法[J].南京大学学报(自然科学版),1999,35(04):486-490.
[7]	Brinker C J;Smith D M;Deshpande R et al.Sol-gel processing of controlled pore oxides[J].Catalysis Today,1992,14(02):155-163.

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