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Synthesis of zeolite MFI films on alumina and silicon supports using seed crystals

  • Journal of the Korean Crystal Growth and Crystal Technology
  • Abbr : J. Korean Cryst. Growth Cryst. Technol.
  • 2008, 18(1), pp.38~44
  • Publisher : The Korea Association Of Crystal Growth, Inc.
  • Research Area : Engineering > Materials Science and Engineering

Koh Tae Seok 1

1동신대학교

Accredited

ABSTRACT

Contiuous c-oriented zeolite MFI films (< 35 μm) were prepared by hydrothermal secondary growth of silicalite- 1 seed crystal in the surface of alumina porous substrate and silicon substrate. The supported films were characterized with scanning electron microscopy and X-ray diffraction. Effect of substrate surface roughness were investigated and a mechanism for c-oriented film formation and characteristic dom-like defects formation which is observed after seeding growth was discussed. The roughness of substrate plays an important role.

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