Tin-containing silicates : structure–activity relations

Publication: Research - peer-reviewJournal article – Annual report year: 2012

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The selective conversion of biomass-derived substrates is one of the major challenges facing the chemical industry. Recently, stannosilicates have been employed as highly active and selective Lewis acid catalysts for a number of industrially relevant reactions. In the present work, four different stannosilicates have been investigated: Sn-BEA, Sn-MFI, Sn-MCM-41 and Sn-SBA-15. When comparing the properties of tin sites in the structures, substantial differences are observed. Sn-beta displays the highest Lewis acid strength, as measured by probe molecule studies using infrared spectroscopy, which gives it a significantly higher activity at low temperatures than the other structures investigated. Furthermore, the increased acid strength translates into large differences in selectivity between the catalysts, thus demonstrating the influence of the structure on the active site, and pointing the way forward for tailoring the active site to the desired reaction.
Original languageEnglish
JournalRoyal Society of London. Proceedings A. Mathematical, Physical and Engineering Sciences
Publication date2012
Volume468
Journal number2143
Pages2000-2016
ISSN1364-5021
DOIs
StatePublished

Bibliographical note

© 2012 The Royal Society

CitationsWeb of Science® Times Cited: 15

Keywords

  • Stannosilicate, Biomass, Catalysis, Zeolite, Infrared
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