Metamorphic channels in periodic mesoporous methylenesilica

Tewodros Asefa, Mark J. MacLachlan, Hiltrud Grondey, Neil Coombs, Geoffrey A. Ozin

Research output: Contribution to journalArticle

230 Citations (Scopus)

Abstract

Bridging methylene groups are transformed into terminal methyl groups when periodic mesoporous methylenesilicas, prepared for the first time by surfactant-templated synthesis, are subjected to controlled thermal treatment at 350-600 °C. The methylene groups integrated 'inside the channel walls' transform smoothly to methyl groups suspended 'within the channel spaces' (shown schematically).

Original languageEnglish
Pages (from-to)1808-1811
Number of pages4
JournalAngewandte Chemie - International Edition
Volume39
Issue number10
DOIs
Publication statusPublished - May 15 2000

Keywords

  • Materials science
  • Mesoporosity
  • Organic-inorganic hybrid composites
  • Silicon
  • Solid-state chemistry

ASJC Scopus subject areas

  • Catalysis
  • Chemistry(all)

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