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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-x-SmxO2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2.0~3.8 nm之间,平均比表面积为96m2/g.介孔介晶Ce1-xSmx O2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120m in时脱色率基本超过70%.

参考文献

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