Preparation of Mesoporous Ce0.5 Zr0.5 O2 Mixed Oxide by Hydrothermal Templating Method

Preparation of Mesoporous Ce0.5 Zr0.5 O2 Mixed Oxide by Hydrothermal Templating Method

O643.3; Mesoporous Ce0.5Zr0.5O2 mixed oxide with high specific surface area was synthesized under basic condition in the presence of non-ionic surfactant PEG-4000.The effect of synthesis conditions, such as synthesis temperature and the molar ratio of PEG-4000/([Ce]+[Zr]), on specific surface area w...

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Veröffentlicht in:稀土学报（英文版） 2007, Vol.25 (6), p.710-714
Hauptverfasser: Gu Yingying, Feng Shengsheng, Li Jinlin, Gu Xiangkui, Wang Manjuan
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container_issue 6
container_start_page 710
container_title 稀土学报（英文版）
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creator Gu Yingying
Feng Shengsheng
Li Jinlin
Gu Xiangkui
Wang Manjuan
description O643.3; Mesoporous Ce0.5Zr0.5O2 mixed oxide with high specific surface area was synthesized under basic condition in the presence of non-ionic surfactant PEG-4000.The effect of synthesis conditions, such as synthesis temperature and the molar ratio of PEG-4000/([Ce]+[Zr]), on specific surface area were investigated.The products were characterized by transmission electron microscopy, powder X-ray diffraction, and nitrogen adsorption-desorption measurements, respectively.The results showed that synthesis temperature and the molar ratio of PEG-4000/([Ce]+[Zr]) had great influence on specific surface area.Under the optimum synthesis conditions, the prepared Ce0.5Zr0.5O2 mixed oxide presented cubic fluorite-type structure and possessed high surface area of 148.6 m2·g-1 with wormlike pores.
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Mesoporous Ce0.5Zr0.5O2 mixed oxide with high specific surface area was synthesized under basic condition in the presence of non-ionic surfactant PEG-4000.The effect of synthesis conditions, such as synthesis temperature and the molar ratio of PEG-4000/([Ce]+[Zr]), on specific surface area were investigated.The products were characterized by transmission electron microscopy, powder X-ray diffraction, and nitrogen adsorption-desorption measurements, respectively.The results showed that synthesis temperature and the molar ratio of PEG-4000/([Ce]+[Zr]) had great influence on specific surface area.Under the optimum synthesis conditions, the prepared Ce0.5Zr0.5O2 mixed oxide presented cubic fluorite-type structure and possessed high surface area of 148.6 m2·g-1 with wormlike pores.</abstract><pub>College of Chemistry and Chemical Engineering,Central South University,Changsha 410083,China%Key Laboratory of Cataly sis and Materials Science of the State Ethnic Affairs Commission &amp; Ministry of Education,Hubei Province,South-Central University for Nationalities,Wuhan 430074,China</pub></addata></record>
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title Preparation of Mesoporous Ce0.5 Zr0.5 O2 Mixed Oxide by Hydrothermal Templating Method
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