| Preparation and Characterization of Mesoporous Ce0.5Zr0.5O2 Mixed Oxide |
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| 作者姓名： | 冯圣生 古映莹 李金林 宋丰轩 |
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| 作者单位： | [1]College of Chemistry and Chemical Engineering, Central South University, Changsha, Hunan 410083, China [2]Key Laboratory of Catalysis and Materials Science of Hubei Province, College of Chemistry and Materials Science, South-Central University for Nationalities, Wuhan, Hubei 430074, China |
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| 基金项目： | Project supported by Key Laboratory of Catalysis and Materials Science of Hubei Province, College of Chemistry and Materials Science, South-Central University for Nationalities （No. CHCL0501）. |
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| 摘 要： | Mesoporous （MSU） Ce0.5Zr0.5O2 mixed oxide with a high specific surface area has been synthesized under weak acidic condition in the presence of an anionic surfactant, sodium dodecylbenzenesulfonate. The effect of the pH value on the formation of mesostructure and the thermal stability of the material has been evaluated. The products were characterized by transmission electron microscopy, powder X-ray diffraction and nitrogen adsorption-desorption measurements. The results showed that the as-prepared Ce0.5Zr0.5O2 mixed oxide possessed a specific surface area of 163.3 m^2·g^-1, which had a cubic fluorite-type structure and possessed specific surface areas of 148.4 and 62.4 m^2·g^-1 after calcination at 500 and 800 ℃ for 2 h, respectively. The material showed excellent thermal stability.
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| 关 键 词： | 混合氧化物 多孔渗水介质 Ce0.5Zr0.5O2 制备方法 铈 锆 |
| 修稿时间： | 2007-03-16 |
Preparation and Characterization of Mesoporous Ce0.5Zr0.5O2 Mixed Oxide |
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| FENG, Sheng-Sheng GU, Ying-Ying LI, Jin-Lin SONG, Feng-Xuan.Preparation and Characterization of Mesoporous Ce0.5Zr0.5O2 Mixed Oxide[J].Chinese Journal of Chemistry,2007,25(10):1499-1502. |
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| Authors: | FENG Sheng-Sheng GU Ying-Ying LI Jin-Lin SONG Feng-Xuan |
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| Institution: | a College of Chemistry and Chemical Engineering, Central South University, Changsha, Hunan 410083, China; b Key Laboratory of Catalysis and Materials Science of Hubei Province, College of Chemistry and Materials Science, South-Central University for Nationalities, Wuhan, Hubei 430074, China |
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| Abstract: | Mesoporous (MSU) Ce0.5Zr0.5O2 mixed oxide with a high specific surface area has been synthesized under weak acidic condition in the presence of an anionic surfactant, sodium dodecylbenzenesulfonate. The effect of the pH value on the formation of mesostructure and the thermal stability of the material has been evaluated. The products were characterized by transmission electron microscopy, powder X‐ray diffraction and nitrogen adsorption‐desorption measurements. The results showed that the as‐prepared Ce0.5Zr0.5O2 mixed oxide possessed a specific surface area of 163.3 m2·g?1, which had a cubic fluorite‐type structure and possessed specific surface areas of 148.4 and 62.4 m2·g?1 after calcination at 500 and 800 °C for 2 h, respectively. The material showed excellent thermal stability. |
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| Keywords: | mixed oxide ceria zirconia dodecylbenzenesulfonate mesoporous mesostructure |
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