Metal Complexes as Structure-Directing Agents for Zeolites and Related Microporous Materials

Abigail E. Watts, Alessandro Turrina, Paul A. Wright

    Research output: Chapter in Book/Report/Conference proceedingChapter


    Metal complexes can act as structure-directing agents (SDAs) for zeolites and zeotypes, either alone or together with additional SDAs in dual-templating approaches. Such complexes include organometallic cobaltocenium ions, alkali metal crown ether complexes, first-row transition-metal (Fe, Co, Ni, Cu) polyamines and thiol-complexed second- and third-row transition metals (Pd, Pt). Their inclusion has been demonstrated in some cases by crystallographic methods but more commonly by spectroscopy (UV-visible, X-ray absorption, Mössbauer). The unique feature of this class of template is that they can not only direct crystallisation but also give solids with homogeneously distributed metal cations or metal oxide species upon calcination, precluding the need for an additional post-synthesis modification step. Materials prepared via this ‘one-pot’ synthetic route have been shown to give shape-selective catalysts for reactions such as the selective catalytic reduction of NOxwith ammonia and the hydrogenation, dehydration and oxidative dehydrogenation of small hydrocarbons and oxygenates.
    Original languageEnglish
    Title of host publicationInsights into the Chemistry of Organic Structure-Directing Agents in the Synthesis of Zeolitic Materials
    EditorsLuis Gómez-Hortigüela
    Place of PublicationCham
    Number of pages22
    ISBN (Print)978-3-319-74289-2
    Publication statusPublished - 2018

    Publication series

    NameStructure and Bonding Series


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