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Fabrication of yttria-stabilized zirconia nanofibers by electrospinning Abdul-Majeed Azad*

Summary: Fabrication of yttria-stabilized zirconia nanofibers by electrospinning
Abdul-Majeed Azad*
Department of Chemical and Environmental Engineering, The University of Toledo, 3052 Nitschke Hall, Toledo, OH 43606-3390, USA
Received 8 March 2005; accepted 29 July 2005
Available online 18 August 2005
The technique of electrospinning was employed to fabricate uniform 1-D inorganic­organic composite nanofibers from alcoholic
solutions containing polyvinyl pyrrolidone (PVP) and suitable aqueous precursors of yttrium and zirconium ions. Upon firing and sintering
under carefully pre-selected time-temperature profiles, yttria-stabilized zirconia nanofibers retaining the original morphological features
observed in the as-spun composition were obtained. X-ray diffraction was used to identify the crystalline fate of the final product. Analytical
tools such as Raman spectroscopy and scanning electron microscopy (SEM) were employed to elucidate the pathway of ceramic phase
formation and the systematic evolution of morphological features in the spun and the processed fibers. Several millimeters long, uniform
YSZ nanofibers of high phase purity could be fabricated.
D 2005 Elsevier B.V. All rights reserved.
Keywords: Nanofibers; Electroceramics; YSZ; Electrospinning
1. Introduction
One aspect of current interest and great relevance to the
fundamental understanding of the behavior of materials is
the role of dimensionality and size on their optical, chemical
and mechanical properties for application in a wide range of


Source: Azad, Abdul-Majeed - Department of Chemical and Environmental Engineering, University of Toledo


Collections: Materials Science; Energy Storage, Conversion and Utilization