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Journal of Materials Science

, Volume 44, Issue 24, pp 6519–6524 | Cite as

A facile dual templating route to fabricate hierarchically mesostructured materials

  • Dechao Niu
  • Yongsheng Li
  • Wenjie Dong
  • Wenru Zhao
  • Liang Li
  • Jianlin Shi
Mesostructured Materials

Abstract

Hierarchically mesostructured materials have been successfully synthesized via a facile route using amphiphilic block copolymer polystyrene-b-poly (acrylic acid) (PS-b-PAA) and cetyl trimethyl ammonium bromide (CTAB) as dual templates. It is found that the dimension of spherical micelle-like aggregates of PS-b-PAA could be adjusted by changing the kind of solvents. With N,N-dimethylformamide (DMF) as solvent, spherical micelle-like aggregates with an average diameter of 35 nm were obtained, and bimodal mesoporous materials (BMM) possessing large pores of ~35 nm and small pores of 2.5 nm could be prepared. As the solvent was changed to N,N-dimethylformamide (DMF)/tetrahydrofuran (THF) (v/v = 1:1), the average diameter of the spherical micelle-like aggregates of PS-b-PAA was increased to 200 nm, and hollow mesoporous spheres (HMS) with 200-nm hollow cores and 25-nm shells were thus achieved.

Keywords

Acrylic Acid Atomic Transfer Radical Polymerization Atomic Transfer Radical Polymerization Cetyl Trimethyl Ammonium Bromide Cetyl Trimethyl Ammonium Bromide 

Notes

Acknowledgements

This work was financially supported by the National Hi-Tech Project of China (Grant No. 2007AA03Z317); the National Natural Science Foundation of China (Grant No. 20633090) and Shanghai Natural Science Foundation (Grant No. 07ZR14028).

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Copyright information

© Springer Science+Business Media, LLC 2009

Authors and Affiliations

  1. 1.Key Laboratory for Ultrafine Materials of Ministry of Education, School of Materials Science and EngineeringEast China University of Science and TechnologyShanghaiChina
  2. 2.State Key Laboratory of High Performance Ceramics and Superfine MicrostructureShanghai Institute of Ceramics, Chinese Academy of SciencesShanghaiChina

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