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CuO/Ce_(1-x)Al_xO_2催化剂的制备及其催化性能研究 被引量:3

Synthesis of CuO/Ce_(1-x)Al_xO_2 Nanoparticles and Their Catalytic Performance
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摘要 以硝酸盐为原料,氨水为沉淀剂,十六烷基溴化铵(CTAB)为模板,采用化学沉淀法合成介孔Ce1-x-Alx O2复合物,再用浸渍法制备CuO/Ce1-x Alx O2催化剂。利用X射线衍射和N2吸脱附表征催化剂的结构,结果显示催化剂为介孔立方萤石结构。采用H2-TPR评价其氧活性,O2-TPD和CO-TPD评价其吸附性能,以探索不同物质的量配比铈铝复合物对催化剂性能的影响。 The mesoporous Cel-xALO2 composite materials with crystalline pore walls and cubic fluorite struc- ture have been synthesized by chemical precipitation method using nitrate as raw materials, ammonia as precipitate and cetyltrimethylammonium bromide as template. Diverse CuO has been modified to this Cel-x AlxO2 composite materials by impregnation, H2-TPR evaluation its the oxygen activity and 02, CO-TPD evaluation its adsorption performance to explore the influencing of different molar ratio of cerium aluminum compounds on catalytic performance.
出处 《材料导报》 EI CAS CSCD 北大核心 2013年第20期48-51,共4页 Materials Reports
基金 国家自然科学基金(20771047 21071107) 江苏省研究生创新计划项目(1221220053) 江苏省高校自然科学基金(09KJB30003 11KJB430012) 苏州市环境功能材料重点实验室(SZS201008) 苏州市工业支撑(SYG201029) 江苏省光子制造科学与技术重点实验室(GZ201111)
关键词 沉淀法 硝酸盐 氧化铈 催化氧化 precipitation, nitrate, ceria, catalytic oxidation
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参考文献9

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