郑州大学学报(理学版)2007,Vol.39Issue(3):145-149,5.
纳米氧化铈的醇热合成及性能
Alcohothermal Synthesis and Properties of Ceria Nanoparticles
摘要
Abstract
CeO2 nanoparticles are prepared by an alcohothermal process and then used as supports for CuO/CeO2 catalysts prepared via impregnation method. The X-ray diffraction (XRD), transmission electron microscopy (TEM) and N2 sorption analytic results show that the as-prepared CeO2 has good crystallinity and large surface area. Temperature-programmed reduction (TPR) and X-ray photoelectron spectra (XPS) analysis indicate that there are different copper species in the CuO/CeO2 catalysts. The calcination temperatures affect the activity of CuO/CeO2 catalysts and the supported copper oxide catalysts exhibit obviously higher catalytic activity than pure CuO and CeO2 due to the synergistic effect.关键词
醇热合成/CeO2/CuO/CeO2催化剂/CO氧化Key words
alcohothermal synthesis/ ceria/ CuO/CeO2 catalyst/ CO oxidation分类
化学化工引用本文复制引用
张晓丽,郑修成,王向宇,苏运来,吴世华..纳米氧化铈的醇热合成及性能[J].郑州大学学报(理学版),2007,39(3):145-149,5.基金项目
国家自然科学基金资助项目,编号 20271028. ()