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Further Investigations of Racemic and Chiral Molecular Sieves of the STW Topology

DC Field Value Language
dc.contributor.authorKang, Jong Hun-
dc.contributor.authorMcCusker, Lynne B.-
dc.contributor.authorDeem, Michael W.-
dc.contributor.authorBaerlocher, Christian-
dc.contributor.authorDavis, Mark E.-
dc.date.accessioned2024-05-14T06:18:59Z-
dc.date.available2024-05-14T06:18:59Z-
dc.date.created2021-06-01-
dc.date.issued2021-03-
dc.identifier.citationChemistry of Materials, Vol.33 No.5, pp.1752-1759-
dc.identifier.issn0897-4756-
dc.identifier.urihttps://hdl.handle.net/10371/201786-
dc.description.abstractLarge single crystals of pure-silica STW-type molecular sieves are prepared using 1,2,3,4,5-pentamethylimidazolium (12345PMI) and 2-ethyl-1,3,4-trimethylimidazolium (2E134TMI) as organic structure-directing agents (OSDAs) and a-amino acid additives. The effects of the amount and type of amino acid on the crystallization of pure-silica STW materials are investigated. Room-temperature single-crystal X-ray diffractometry shows that 12345PMI better fits the STW cage than 2E134TMI and is fully consistent with computed simulations. The synthesis of an enantioenriched R-STW-type molecular sieve having a Si/Ge ratio of 2.2 is achieved using a chiral, dicationic OSDA that contains two stereocenters. The conformation of the chiral OSDA in the chiral framework has been obtained from a Rietveld refinement using synchrotron powder diffraction data and is the first structure refinement of an enantioenriched, inorganic molecular sieve prepared from a pure, asymmetric OSDA.-
dc.language영어-
dc.publisherAmerican Chemical Society-
dc.titleFurther Investigations of Racemic and Chiral Molecular Sieves of the STW Topology-
dc.typeArticle-
dc.identifier.doi10.1021/acs.chemmater.0c04573-
dc.citation.journaltitleChemistry of Materials-
dc.identifier.wosid000629032600021-
dc.identifier.scopusid2-s2.0-85103477913-
dc.citation.endpage1759-
dc.citation.number5-
dc.citation.startpage1752-
dc.citation.volume33-
dc.description.isOpenAccessN-
dc.contributor.affiliatedAuthorKang, Jong Hun-
dc.type.docTypeArticle-
dc.description.journalClass1-
dc.subject.keywordPlusAMINO-ACID-
dc.subject.keywordPlusZEOLITE-
dc.subject.keywordPlusNANOPARTICLES-
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  • College of Engineering
  • School of Chemical and Biological Engineering
Research Area Conversion of Methane into Aromatics, Waste Plastic Refinery, Zeolite Synthesis

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