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    Template–Framework Interactions in Tetraethylammonium-Directed Zeolite Synthesis

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    Author
    Schmidt, Joel E.; Fu, Donglong; Deem, Michael W.; Weckhuysen, Bert M.
    Date
    2016
    Abstract
    Zeolites, having widespread applications in chemical industries, are often synthesized using organic templates. These can be cost-prohibitive, motivating investigations into their role in promoting crystallization. Herein, the relationship between framework structure, chemical composition, synthesis conditions and the conformation of the occluded, economical template tetraethylammonium (TEA+) has been systematically examined by experimental and computational means. The results show two distinct regimes of occluded conformer tendencies: 1) In frameworks with a large stabilization energy difference, only a single conformer was found (BEA, LTA and MFI). 2) In the frameworks with small stabilization energy differences (AEI, AFI, CHA and MOR), less than the interconversion of TEA+ in solution, a heteroatom-dependent (Al, B, Co, Mn, Ti, Zn) distribution of conformers was observed. These findings demonstrate that host–guest chemistry principles, including electrostatic interactions and coordination chemistry, are as important as ideal pore-filling.
    Citation
    Schmidt, Joel E., Fu, Donglong, Deem, Michael W., et al.. "Template–Framework Interactions in Tetraethylammonium-Directed Zeolite Synthesis." Angewandte Chemie, 55, no. 52 (2016) Wiley: 16044-16048. http://dx.doi.org/10.1002/anie.201609053.
    Published Version
    http://dx.doi.org/10.1002/anie.201609053
    Type
    Journal article
    Publisher
    Wiley
    Citable link to this page
    https://hdl.handle.net/1911/93792
    Rights
    This is an open access article under the terms of the Creative Commons Attribution Non-Commercial License, which permits use, distribution and reproduction in any medium, provided the original work is properly cited, and is not used for commercial purposes.
    Link to License
    https://creativecommons.org/licenses/by-nc/4.0/
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    Home | FAQ | Contact Us | Privacy Notice | Accessibility Statement
    Managed by the Digital Scholarship Services at Fondren Library, Rice University
    Physical Address: 6100 Main Street, Houston, Texas 77005
    Mailing Address: MS-44, P.O.BOX 1892, Houston, Texas 77251-1892
    Site Map