Liquid–solid reaction synthesis of SrTiO3 submicron-sized particles

Liquid–solid reaction synthesis of SrTiO3 submicron-sized particles

A low temperature (600 C) liquid-solid reaction method was proposed for the synthesis of SrTiO3 submicron-sized particles from submicron-sized TiO2 powder and different amounts of excess Sr(NO3)2 with a melting point of about 570 C. The characterisation results from XRD and FESEM showed that the res...

Ausführliche Beschreibung

Gespeichert in:
Bibliographische Detailangaben
Veröffentlicht in:Materials chemistry and physics 2011-05, Vol.127 (1-2), p.21-23
Hauptverfasser: Liu, Xiaohua, Bai, Haixin
Format: Artikel
Sprache:eng
Schlagworte:
Diffraction
Reaction synthesis
Resultants
Stoichiometry
Strontium titanates
Surface chemistry
Synthesis
Titanium dioxide
X-ray photoelectron spectroscopy
X-rays
Online-Zugang:Volltext
Tags: Tag hinzufügen
Keine Tags, Fügen Sie den ersten Tag hinzu!
Beschreibung
Zusammenfassung:A low temperature (600 C) liquid-solid reaction method was proposed for the synthesis of SrTiO3 submicron-sized particles from submicron-sized TiO2 powder and different amounts of excess Sr(NO3)2 with a melting point of about 570 C. The characterisation results from XRD and FESEM showed that the resultant products were phase-pure perovskite structure SrTiO3 submicron-sized particles with diameters of about 30-108 nm. XPS revealed that the resultant products had surface compositions slightly deviating from the stoichiometry of SrTiO3. UV-vis absorption spectra of the SrTiO3 submicron-sized particles showed a wide absorption peak centred at around 3.5 or 3.4 eV.
ISSN:0254-0584
DOI:10.1016/j.matchemphys.2011.01.056