Synthesis of zeolites using the ADOR (Assembly-Disassembly-Organization-Reassembly) route

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Abstract

Zeolites are an important class of materials that have wide ranging applications such as heterogeneous catalysts and adsorbents which are dependent on their framework topology. For new applications or improvements to existing ones, new zeolites with novel pore systems are desirable. We demonstrate a method for the synthesis of novel zeolites using the ADOR route. ADOR is an acronym for Assembly, Disassembly, Organization and Reassembly. This synthetic route takes advantage of the assembly of a relatively poorly stable zeolite which can be selectively disassembled into a layered material. The resulting layered intermediate can then be organized in different manners by careful chemical manipulation and then reassembled into zeolites with new topologies. By carefully controlling the organization step of the synthetic pathway, new zeolites with never before seen topologies are capable of being synthesized. The structures of these new zeolites are confirmed using powder X-ray diffraction and further characterized by nitrogen adsorption and scanning electron microscopy. This new synthetic pathway for zeolites demonstrates its capability to produce novel frameworks that have never been prepared by traditional zeolite synthesis techniques.
Original languageEnglish
Article numbere53463
JournalJournal of Visualized Experiments
Issue number110
DOIs
Publication statusPublished - 3 Apr 2016

Keywords

  • Zeolites
  • Synthesis
  • ADOR mechanism
  • Porosity
  • Germanosilicate
  • Silica

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