"Extracting" the key fragment in ETS-10 crystallization and its application in AM-6 assembly

Meiling Guo, Zhaochi Feng, Guanna Li, Jan P. Hofmann, Evgeny A. Pidko, Pieter C.M.M. Magusin, Qiang Guo, Bert M. Weckhuysen, Emiel J.M. Hensen, Fengtao Fan, Can Li

Research output: Contribution to journalArticlepeer-review

6 Scopus citations


The mechanism of crystallization of microporous titanosilicate ETS-10 was investigated by Raman spectroscopy combined with 29Si magic-angle spinning (MAS) NMR spectroscopy, DFT calculations, and SEM imaging. The formation of three-membered ring species is shown to be the key step in the hydrothermal synthesis of ETS-10. They are formed by means of a complex process that involves the interaction of silicate species in the reaction mixture, which promotes the dissolution of TiO 2 particles. These insights into the mechanism of ETS-10 growth led to the successful development of a new synthesis route to the vanadosilicate AM-6 that involves the use of intermediates that contain three-membered ring species as an initiator.

Original languageEnglish (US)
Pages (from-to)12078-12084
Number of pages7
JournalChemistry - A European Journal
Issue number38
StatePublished - Sep 17 2012


  • Raman spectroscopy
  • crystallization
  • hydrothermal synthesis
  • reaction mechanisms
  • zeolites


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