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中文摘要：
以乙酸盐为原料，三嵌段共聚物P123为模板，采用溶剂诱导自组装法（EISA）合成介孔介晶Ce1-xSmxO2固溶体。利用X射线衍射、N2吸-脱附、X射线光电子能谱和氢气-程序升温还原等测试手段对样品的形貌和结构进行了表征。结果表明：样品属于立方萤石结构，平均颗粒尺寸为7．65nm，孔径分布在2．0～3．8am之间，平均比表面积为96m2／g。介孔介晶Ce1-xSmxO2材料对亚甲基蓝模拟染料废水具有良好的脱色能力，在反应120min时脱色率基本超过70％。
英文摘要：
Novel mesoporous mesocrystals Ce1-xSmxO2 solid solution were synthesized via a facile approach of evaporation-induced self-assembly （EISA） in the presence of acetate salt as inorganic species and triblock copolymers P123 as surfactant. The X-ray diffraction, N2 adsorption-desorption, X-ray photoelectron spectroscopy, and H2 tem- perature-progranmaed reduction were employed to characterize the morphology and structure of the mesoporous meso- crystal Ce1-xSmxO2 solid solution. The results reveal that the face-centered cubic-phase Ce1-xSmxO2 with the average grain size of 7.65 nrn, pores size in diameter at about 2. 0 nm to 3. 8 nm, as well as the surface area of 96 m2/g are prepared. The decolorizing rate can reach 70% for simulative wastewater after 120 mill.
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