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Mesoporous silicon oxynitride thin films.

Jiacheng Wang1, Qian Liu

  • 1State Key Laboratory of High Performance Ceramics and Superfine Microstructure, Shanghai Institute of Ceramics, 1295 Dingxi Road, Shanghai 200050, PR China.

Chemical Communications (Cambridge, England)
|February 16, 2006
PubMed
Summary

Highly-ordered amine-functionalized mesoporous silicon oxynitride thin films were created. These glass-like films were synthesized using ammonia treatment of mesoporous silica at high temperatures.

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Area of Science:

  • Materials Science
  • Nanotechnology
  • Surface Chemistry

Background:

  • Mesoporous materials offer high surface area and tunable porosity.
  • Silicon oxynitride (SiON) is a versatile material with applications in optics and electronics.
  • Functionalization of porous materials enhances their properties and expands their applications.

Purpose of the Study:

  • To develop a method for creating highly-ordered, amine-functionalized mesoporous silicon oxynitride thin films.
  • To investigate the structural and chemical properties of the synthesized films.

Main Methods:

  • Synthesis of mesoporous silica thin films.
  • High-temperature heat treatment in a flowing ammonia environment.
  • Characterization of the resulting mesoporous silicon oxynitride films.

Main Results:

  • Successfully prepared highly-ordered, glass-like mesoporous silicon oxynitride thin films.
  • Confirmed pore modification with amine groups.
  • Demonstrated the feasibility of ammonia treatment for functionalizing mesoporous silica.

Conclusions:

  • Ammonia treatment is an effective method for producing amine-functionalized mesoporous silicon oxynitride thin films.
  • The resulting films possess desirable structural and chemical properties for potential applications.
  • This work contributes to the development of advanced functional nanomaterials.

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