Pb(Zr,Ti)O3 nanofibers produced by electrospinning process

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Menşur Alkoy, Ebru and Dağdeviren, Canan and Papila, Melih (2009) Pb(Zr,Ti)O3 nanofibers produced by electrospinning process. In: 2008 MRS Fall Meeting (Symposium V on Materials, Devices, and Characterization for Smart Systems), Boston, USA

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Abstract

Lead zirconate titanate (PZT) nanofibers are obtained by electrospinning a sol-gel based solution and polyvinyl pyrrolidone (PVP) polymer, and subsequent sintering of the electrospun precursor fibers. The PVP content of the precursor solution is critical in the formation of the fully fibrous mats. Scanning electron microscope (SEM) is used to examine the morphology of the precursor fibers and annealed PZT nanofibers. The diameter of the precursor PZT/PVP green fibers have increased with the aging of the precursor solution along with an increase in the viscosity. The viscosity of 500 mPa results in successful fibrous mats, yielding green PZT/PVP fibers with a diameter of 400 nm. Thefiber mats are then sintered at 700C. X-ray diffraction (XRD) pattern of the annealed PZT fibers exhibits no preferred orientation and a pure tetragonal perovskite phase. Preparation of piezocomposites by infusion of epoxy into the nanofiber mat facilitates successful handling of the fragile mats and enables measurements of dielectric properties.
Item Type: Papers in Conference Proceedings
Subjects: Q Science > Q Science (General)
T Technology > TA Engineering (General). Civil engineering (General)
Divisions: Faculty of Engineering and Natural Sciences > Academic programs > Materials Science & Eng.
Faculty of Engineering and Natural Sciences
Depositing User: Melih Papila
Date Deposited: 28 Dec 2009 15:44
Last Modified: 26 Apr 2022 08:54
URI: https://research.sabanciuniv.edu/id/eprint/13626

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