Nonhydrolytic Synthesis of NASICON of Composition Na3Zr2Si2PO12: A Spectroscopic Study
Source abstract
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.
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Research context
OpenAlex topics: Thermal and Kinetic Analysis · Inorganic and Organometallic Chemistry · Polymer Nanocomposites and Properties
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
Affiliations
Dipartimento di Scienze e Tecnologie Chimiche, Università di Roma Tor Vergata, Via della Ricerca Scientifica, 00133 Rome, Italy
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