NMR Study of Intercalates and Grafted Organic Derivatives of H2La2Ti3O10

Marina G. Shelyapina, Oleg I. Silyukov, Irina P. Lushpinskaia, Sergey A. Kurnosenko, Anton S. Mazur, I.G. Shenderovich, Irina A. Zvereva

Research output: Contribution to journalArticlepeer-review

Abstract

The protonated perovskite-like titanate H2La2Ti3O10 has been used to produce organic-inorganic hybrids with simple organic molecules: methylamine, methanol, monoethanolamine, and n-butylamine. The optimal pathways for the preparation of such hybrids are summarized. Solid-state NMR, combined with thermal analysis, Raman, and IR spectroscopy, has been applied to determine the bonding type in the obtained organic-inorganic hybrids. It has been found that, in the methanolic hybrid, the organic residues are covalently bound to the inorganic matrix. In contrast, in the methylamine and n-butylamine hybrids, the organic molecules are intercalated into the inorganic matrix in cationic forms. The structure of the monoethanolamine hybrid is composite and includes both the covalently bound and intercalated organic species.
Original languageEnglish
Article number5229
Number of pages18
JournalMolecules
Volume25
Issue number22
StatePublished - 10 Nov 2020

Keywords

  • layered perovskite-like oxides
  • organic-inorganic hybrid
  • intercalation
  • grafting
  • NMR

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