Chem. J. Chinese Universities ›› 2010, Vol. 31 ›› Issue (2): 235.

• Articles • Previous Articles     Next Articles

Synthesis of Ce1-xTixO2 Hollow Nanospheres via Kirkendall Effect

WANG Zeng-Peng, ZHAO Yong-Nan*, YU Jian-Guo   

  1. Institute of Nanostructured Materials, Tianjin Key Laboratory of Fiber Modification and Functional Fiber, Tianjin Polytechnic University, Tianjin 300160, China
  • Received:2009-04-17 Online:2010-02-10 Published:2010-02-10
  • Contact: ZHAO Yong-Nan. E-mail: zhaoyn@263.net
  • Supported by:

    天津市自然科学基金(批准号: 05YFJMJC13500)资助.

Abstract:

Ce1-xTixO2 hollow nanospheres were successfully synthesized via the Kirkendall effect under solvothermal conditions, which were characterized by means of XRD, TEM and XPS. The results showed that the hollow nanospheres were 65 nm in sizes, which was smaller than that of the original CeO2 nanospheres. The Ce1-xTixO2 hollow nanospheres were face-centered cubic structure as the same as CeO2 nanospheres. The influences of react temperature and Ti/Ce molar ratio were also discussed. The investigations indicated that high quality hollow nanospheres formed when Ti/Ce molar ratio was 8∶10 at 190 ℃ for 8 h.

Key words: Kirkendall effect; Ce1-xTixO2; Hollow nanosphere; Composite oxide

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