Journal of Sol-Gel Science and Technology

, Volume 43, Issue 2, pp 205–211 | Cite as

A novel template-free sol–gel synthesis of silica materials with mesoporous structures and zeolitic walls

  • Wei Han
  • Yuxin Jia
  • Nan Yao
  • Weishen Yang
  • Mingyuan He
  • Guoxing Xiong
Original Paper


Hierarchical porous materials with zeolite structures show great promise in catalysis due to combining the advantages of zeolites and mesoporous materials. Here a novel template-free sol–gel method is developed to synthesize hierarchical porous silica materials. This method involves solvothermal recrystallization of the xerogel converted from uniform silicalite-1 precursor sol via vacuum drying process. The zeolite sol and the solid samples were characterized by laser light scattering, XRD, N2 adsorption/desorption isotherm, FTIR, SEM, TEM and thermal analysis technologies. The results show that we obtain two novel materials with different mesoporous structures and silicalite-1 walls by using different recrystallization media, one of which has irregular arrays of mesopores, the other possesses 3D wormhole mesoporous structure. We speculate that formation of different mesoporous structures results from different nucleation and growth process of materials


Mesoporous materials Zeolites Sol–gel method Template-free 



The authors gratefully acknowledge financial supports from the SINOPEC (Grant No. X503008) and the National Nature Science Foundation of China (Grant No. 20321303). We sincerely thank Senior Engineer Shishan Sheng and Associate Prof. Wenling Chu for N2 adsorption/desorption isotherms measurement.


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Copyright information

© Springer Science+Business Media, LLC 2007

Authors and Affiliations

  1. 1.State Key Laboratory of Catalysis, Dalian Institute of Chemical PhysicsChinese Academy of SciencesDalianP.R. China
  2. 2.Graduate School of the Chinese Academy of SciencesBeijingP.R. China
  3. 3.Department of Chemical EngineeringHong Kong University of Science and TechnologyHong KongP.R. China
  4. 4.Research Institute of Petroleum ProcessingSINOPECBeijingP.R. China

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