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Partially Aligned Piezoelectric Nanofibers by Sol-Gel Electrospining Process

[+] Author Affiliations
Yong Shi, Shiyou Xu

Stevens Institute of Technology, Hoboken, NJ

Sang-Gook Kim

Massachusetts Institute of Technology, Cambridge, MA

Paper No. NANO2005-87082, pp. 77-78; 2 pages
doi:10.1115/NANO2005-87082
From:
  • ASME 4th Integrated Nanosystems Conference
  • Design, Synthesis, and Applications
  • Berkeley, California, USA, September 12–14, 2005
  • Conference Sponsors: Nanotechnology Institute
  • ISBN: 0-7918-4208-8 | eISBN: 0-7918-3771-8
  • Copyright © 2005 by ASME

abstract

This paper reports the fabrication of partially aligned Lead Zirconate Titanate (PZT) nanofibers with an average diameter of 150 nm by Sol-Gel Electrospinning process. Both randomly distributed and uniaxially aligned PZT fibers were obtained from the sol-gel PZT solution with viscosity modified by polyvinyl pyrrolidone (PVP). The diameters of the nano fibers can be further reduced or controlled for different applications. SEM, TEM and x-ray diffraction (XRD) are used to characterize the nano-fibers and their crystal structures. XRD confirmed that pure perovskite phase was formed after the as-spun fibers being annealed at about 650°C. Different approaches have been explored to fabricate the uniaxially-aligned PZT nano-fibers. Microelectromechanical (MEMS) based micro-fabrication technologies are used to assist the development of the nano-fibers in designing the test samples, depositing and patterning the electrodes, and also testing the performance of the nano fibers.

Copyright © 2005 by ASME

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