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Synthesis of Silicate Zeolite Analogues Using Organic Sulfonium Compounds as Structure-Directing Agents

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Title
Synthesis of Silicate Zeolite Analogues Using Organic Sulfonium Compounds as Structure-Directing Agents
Author(s)
Changbum Jo; Sungjune Lee; Sung June Cho; Ryong Ryoo
Publication Date
2015-10
Journal
ANGEWANDTE CHEMIE-INTERNATIONAL EDITION, v.54, no.43, pp.12805 - 12808
Publisher
WILEY-V C H VERLAG GMBH
Abstract
A microporous crystalline silica zeolite of the MEL structure type and three other zeolite analogues composed of germanosilicate frameworks were synthesized using tributylsulfonium, triphenylsulfonium, or tri(para-tolyl)sulfonium as the structure-directing agent. The germanosilicates thus obtained had ISV, ITT, or a new zeolite structure depending on the synthesis conditions. The structure of the new germanosilicate was solved using X-ray powder diffraction data with the aid of a charge-flipping method. The solution indicated a crystal structure belonging to the P63/mmc space group with cell parameters of a=16.2003 Å and c=21.8579 Å. After calcination, the new germanosilicate material exhibited two types of accessible micropores with diameters of 0.61 and 0.78 nm.
URI
https://pr.ibs.re.kr/handle/8788114/1873
ISSN
1433-7851
Appears in Collections:
Center for Nanomaterials and Chemical Reactions(나노물질 및 화학반응 연구단) > Journal Papers (저널논문)
Files in This Item:
Angew. Chem. Int. Ed. 2015, 54, 1 – 5.pdfDownload

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