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Journal of Materials Science

, Volume 42, Issue 2, pp 465–471 | Cite as

Synthesis and characterization of ordered and cubic mesoporous silica crystals under a moderately acidic condition

  • Zhengwei Jin
  • Xiaodong Wang
  • Xiuguo Cui
Article

Abstract

Ordered and cubic mesoporous silica materials were synthesized by using poly(ethylene oxide-b-propylene oxide-b-ethylene oxide) triblock copolymer as template under a moderately acidic condition of 0.5 mol/l HCl solution. These mesoporous materials were characterized by Fourier transform (FT) IR spectroscopy, thermo-gravimetric analysis (TGA), X-ray diffraction (XRD) pattern, scanning electron microscopy (SEM), transmission electron microscopy (TEM), and nitrogen adsorption–desorption measurements. The three-dimensional cage-like microporosity of the prepared mesoporous silica having ordered hexagonal mesoporous structure was evidenced by the well-defined XRD patterns combined with TEM photographs. SEM observation shows a highly regular cubic crystal structure for the prepared mesoporous silica. The size of these crystallites was maintained within the range between 4 and 6 μm, which is fairly important for the application to the stationary phase for separation. The nitrogen adsorption–desorption analysis reveals that the prepared mesoporous silica possesses a small pore diameter of 3.68 nm, a total surface area of 363.648 m2/g, a total pore volume of 0.379 cm3/g, and a pore-wall thickness of 6.63 nm. These features may lead to higher thermal and hydrothermal stability, excellent microporosity, and good connectivity. The mesoporous silica prepared in this study exhibits potential applications to catalysis, sensoring, and separation.

Keywords

Mesoporous Silica Mesoporous Material Triblock Copolymer Silica Source Mesoporous Silica Material 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

Notes

Acknowledgements

The authors greatly appreciate financial support from The National Nature Science Foundation of China (Grant No.: 50573006) and The Opening Fund of Key Laboratory of Beijing City on Preparation and Processing of Novel Polymer Materials.

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Copyright information

© Springer Science+Business Media, LLC 2006

Authors and Affiliations

  1. 1.Key Laboratory of Beijing City on Preparation and Processing of Novel Polymer Materials, School of Materials Science and EngineeringBeijing University of Chemical TechnologyBeijingChina
  2. 2.Department of Chemical Engineering and Polymer ScienceYanbian UniversityYanji CityChina

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