Synthesis and characterization of PB(ZR0.52, TI0.48)O3 nanofibers by electrospinning, and dielectric properties of PZT-Resin composite

• Published in: Materials letters 2012-05, Vol.75, p.61-64
• Main Authors: Khajelakzay, Mohammad, Taheri-Nassaj, Ehsan
• Format: Article
• Language: English
• Subjects: Aging time; dielectric properties; Electrospinning; ethanol; Ethyl alcohol; Fibers; lead; lead acetate; Lead zirconate titanate; Lead zirconate titanates; Morphology; Nanofibers; ozone; Piezoelectric materials; Scanning electron microscopy; Sol–gel preparation; titanium; Viscosity; X-ray diffraction; zirconium
• ISSN: 0167-577X; 1873-4979
• DOI: 10.1016/j.matlet.2012.01.082

Lead zirconate titanate (PZT) / Poly vinil pyrolidone (PVP) nanofibers were spun from spinnable solution by electrospinning method. Zirconium n-propoxide, Titanium isopropoxide and Lead acetate trihydrate were solved in 2-Metoxy ethanol to obtain a precursor solution with a suitable viscosity. The obtained mats were calcined at 550, 600, 650, 700 and 800°C for 2h. The morphology and crystalline phase of PZT nanofibers were characterized using X-ray diffraction (XRD) and Scanning electron microscopy (SEM). XRD spectra indicated the formation of perovskite Pb(Zr0.52, Ti0.48)O3 phase at 600°C. Fibers had diameters between 50 to 500nm by controlling of the process parameters. Aging time and PVP percentage were found to have a significant influence on the nanofibers morphology. Increasing PVP and aging lead to increased viscosity and a correlated increase in green fiber diameter. The dielectric constant of PZT nanofibers were measured at 1kHz. ► We synthesized perovskite lead zirconate titanate fibres between 50 to 500nm. ► The PVP percentage has a significant influence on the nanofibers morphology. ► The Aging time have a significant influence on the nanofibers morphology. ► Increasing PVP and aging lead to increased viscosity. ► The dominant phase of tetragonal perovskite PZT was detected.