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Diffraction analysis of mesostructured mesoporous materials.

Leonid A Solovyov1

  • 1Institute of Chemistry and Chemical Technology, Academgorodok 50-24, Krasnoyarsk, 660036, Russia. leosol@icct.ru

Chemical Society Reviews
|October 6, 2012
PubMed
Summary

This review summarizes diffraction methods for analyzing ordered mesoporous materials. These techniques reveal mesostructure parameters and density distributions in advanced materials like mesoporous silicates.

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Area of Science:

  • Materials Science
  • Nanotechnology
  • Solid State Chemistry

Background:

  • Ordered mesoporous materials possess a unique combination of nano-organization and atomic disorder.
  • These materials are challenging yet attractive for investigation using X-ray and neutron diffraction.

Purpose of the Study:

  • To summarize the development of diffraction mesostructure analysis methods.
  • To highlight applications in structural characterization, formation processes, and physisorption phenomena.
  • To focus on techniques for extracting mesostructure parameters and density distribution peculiarities.

Main Methods:

  • X-ray diffraction
  • Neutron diffraction
  • Analysis of Bragg reflection positions and intensities
  • Combined use with electron microscopy and physisorption techniques

Main Results:

  • Established diffraction methods for detailed structural characterization of mesoporous materials.
  • Provided insights into formation processes and physisorption phenomena.
  • Demonstrated the utility for mesoporous silicates, nonsilica replicas, and composites.

Conclusions:

  • Diffraction techniques are crucial for understanding the mesostructure of advanced materials.
  • These methods enable precise determination of structural parameters and density distributions.
  • Further applications in materials science and nanotechnology are anticipated.