Nonhydrolytic synthesis of NASICON of composition Na3Zr2Si2PO12: A spectroscopic study

M. L. Di Vona*, Enrico Traversa, S. Licoccia

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

14 Scopus citations

Abstract

NASICON (Na3Zr2Si2PO12) has been prepared by a nonhydrolytic route reacting OP(OBu)3, SiCl4, Zr(Ot-Bu)4, and NaOt-Bu in acetonitrile. The progress of the reaction was monitored by measuring 31P and 13C NMR spectra in the liquid phase and mass spectra of the reaction mixture. The spectroscopic analysis allowed optimization of the synthetic conditions. The thermal decomposition behavior of the precursor was studied by simultaneous thermogravimetric and differential thermal analysis. The NASICON precursor was heated to selected temperatures, and the resulting powders were analyzed by X-ray diffraction to check the formation of the NASICON phase. The powder obtained at 900 °C was almost pure, showing only traces of free zirconia.

Original languageEnglish (US)
Pages (from-to)141-144
Number of pages4
JournalChemistry of Materials
Volume13
Issue number1
DOIs
StatePublished - Mar 6 2001

ASJC Scopus subject areas

  • Materials Chemistry
  • Materials Science(all)

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