Journal of the Korean Crystal Growth and Crystal Technology (한국결정성장학회지)

The Korea Association of Crystal Growth (한국결정성장학회)
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Synthesis of zeolite MFI films on alumina and silicon supports using seed crystals

알루미나와 실리콘 지지체에 종자결정에 의한 제올라이트 MFI 필름의 합성

  • Ko, Tae-Seog (Department of Jewelry Design and Metalsmithing, Dongshin University)
  • 고태석 (동신대학교 귀금속디자인세공학과)
  • Published : 2008.02.29
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Abstract

Contiuous c-oriented zeolite MFI films $(<35{\mu}m)$ 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.

c-축 배향을 갖는 MFI 제올라이트 필름$(<35{\mu}m)$을 종자결정 성장법을 이용하여 실리카라이트-1 종자결정이 도포된 알루미나와 실리콘 지지체 위에 성장시켰다. 지지체 표변에서 성장된 필름은 전자현미경과 X- 회절 분석을 이용하여 조사하였다. 지지체 표면의 거친 정도에 따른 필름의 성장에 미치는 영향에 대해서 조사하였으며 c- 축 배향을 갖는 필름과 종자결정 성장법에서 나타나는 특징적인 돔 형태의 결함구조의 생성과 반응기구에 대해서 설명하였다. 지지체 표면의 거친 정도가 c- 축 배향에 중요한 역할을 하였다.

Keywords

References

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