Acta Phys. -Chim. Sin. ›› 2004, Vol. 20 ›› Issue (10): 1179-1181.doi: 10.3866/PKU.WHXB20041002

• Communication • Previous Articles     Next Articles

Uniform Carbon-covered Alumina Synthesized by Pyrolysis of Sucrose/γ-Al2O3

Lin Li;Lin Wei;Wang Pei;Zhu Yue-Xiang;Zhao Bi-Yin;Xie You-Chang   

  1. State Key Laboratory for Structural Chemistry of Unstable and Stable Species, College of Chemistry and Molecule Engineering, Peking University, Beijing　100871
  • Received:2004-06-11 Revised:2004-07-15 Published:2004-10-15
  • Contact: Zhu Yue-Xiang E-mail:zhuyx@pku.edu.cn

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Abstract: Carbon-covered alumina (CCA) has been reported to be a promising catalyst support or adsorbent. In the literatures, most of CCAs were prepared by pyrolysis of gaseous hydrocarbon on alumina surface, which was usually not uniformly covered by carbon. In this paper, a simple and novel process has been developed for the preparation of uniform carbon-covered alumina via pyrolysis of sucrose highly dispersed on the surface of alumina. In addition, the coverage and number of carbon layers in CCA can be easily controlled by changing the sucrose content in the precursors and the impregnation times.

Key words: Carbon-covered alumina (CCA), Sucrose, Composite material