| 介孔Co_3O_4-CeO_2复合氧化物的制备及在CO选择性氧化中的应用 |
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| 引用本文： | 刘华,许珊,王晓来.介孔Co_3O_4-CeO_2复合氧化物的制备及在CO选择性氧化中的应用[J].分子催化,2011,25(4):301-307. |
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| 作者姓名： | 刘华 许珊 王晓来 |
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| 作者单位： | 1. 中国科学院兰州化学物理研究所羰基合成及选择性氧化国家重点实验室,甘肃兰州730000／中国科学院研究生院,北京100049
2. 中国科学院兰州化学物理研究所羰基合成及选择性氧化国家重点实验室,甘肃兰州,730000 |
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| 摘 要： | 以硝酸钴和硝酸铈为前驱物,SBA-15为硬模板,利用双溶剂法制备了Co3O4-CeO2介孔复合氧化物,通过X-射线衍射、N2吸脱附测试、程序升温还原和透射电子显微镜等技术对活性组分及载体进行了表征,并且与浸渍法和共沉淀法所制备的催化剂进行了对比分析.结果表明,相比于浸渍法和共沉淀法,采用双溶剂法制备的介孔Co3O4-C...
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| 关 键 词： | 双溶剂法 Co3O4-CeO2介孔复合氧化物 纳米材料 CO氧化 |
Fabrication of Mesoporous Co_3O_4-CeO_2 and their Application in Selective Oxidation of CO |
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| LIU Hua,XU Shan,WANG Xiao-lai.Fabrication of Mesoporous Co_3O_4-CeO_2 and their Application in Selective Oxidation of CO[J].Journal of Molecular Catalysis (China),2011,25(4):301-307. |
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| Authors: | LIU Hua XU Shan WANG Xiao-lai |
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| Institution: | LIU Hua1,2,XU Shan1,WANG Xiao-lai1 (1.State Key Laboratory for Oxo Synthesis and Selective Oxidation,Lanzhou Institute of Chemical Physics,Chinese Academy of Sciences,Lanzhou,730000,P R China,2.Graduate University of Chinese Academy of Sciences,Beijing,100039,P.R.China) |
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| Abstract: | Mesoporous Co3O4-CeO2 mixed oxides was synthesized by a bi-solvent method in which SBA-15 was introduced as the hard template and cerium nitrate and cobalt nitrate were wed as precursors.The active composite and support were characterized by techniques of X-ray powder diffraction,nitrogen adsorption/desorption,temperature programmed reduction and transmission electron microscopy.The experimental results show that the catalyst prepared by the bi-solvent method displayed the uniform mesoporous structure,the s... |
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| Keywords: | bi-solvent method mesoporous Co3O4-CeO2 nanomaterials CO oxidation |
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