Seeharaj, Panpailin

Preferred name

Seeharaj, Panpailin

Alternative Name

Seeharaj, P.

Main Affiliation

School of Science

Email

panpailin.se@kmitl.ac.th

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Barium zirconate titanate nanoparticles synthesized by the sonochemical method
(2013-05-01)
Seeharaj, Panpailin
;
Boonchom, Banjong
;
Charoonsuk, Piyanut
;
Kim-Lohsoontorn, Pattaraporn
;
Vittayakorn, Naratip
A new route for preparing barium zirconate titanate nanoparticles (BaZr<inf>0.3</inf>Ti<inf>0.7</inf>O<inf>3</inf> (BZT)) has been developed by ultrasonication of BaCl<inf>2</inf>·2H<inf>2</inf>O, ZrOCl <inf>2</inf>·8H<inf>2</inf>O and TiCl<inf>4</inf> precursors in a high concentration of NaOH aqueous solution. The as-prepared powders were identified by X-ray diffraction (XRD) as cubic perovskite BZT. The phase formation was confirmed by FT-IR and Raman spectroscopy. The increase of NaOH concentration resulted in BZT powders with smaller particle size and less BaCO<inf>3</inf> contamination. The microstructure of BZT powders prepared in 20 M NaOH examined by scanning electron microscopy (SEM) showed nanosized spherical morphology with the average particle sizes of 51±6 nm. © 2012 Elsevier Ltd and Techna Group S.r.l.