4.7 Article

Synthesis of highly c-oriented AFI membranes by epitaxial growth

Journal

MICROPOROUS AND MESOPOROUS MATERIALS
Volume 126, Issue 1-2, Pages 81-86

Publisher

ELSEVIER
DOI: 10.1016/j.micromeso.2009.05.023

Keywords

AIPO-5; Zeolite membranes; Orientation; Seeded growth

Funding

  1. NTLI start-up fund [M58120001]
  2. AcRF tier-1 fund [RG40/06]

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The growth behavior between the two isomorphs of AFI type zeolite molecular sieves, AIPO-5 and SAPO-5 was studied. It was found that epitaxial growth of AIPO-5 from SAPO-5 seed layers led to preferential growth along the in-plane directions. Based on this interest finding, compact and highly c-oriented AFI membranes were successfully synthesized through a modified seeded growth procedure. The membrane quality was inspected by DC polarization test. (C) 2009 Elsevier Inc. All rights reserved.

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