Fabrication and characterization of bismuth oxide-holmia nanofibers and nanoceramics


Aytimur A., Kocyigit S., USLU İ. , Durmusoglu S., Akdemir A.

CURRENT APPLIED PHYSICS, vol.13, no.3, pp.581-586, 2013 (Journal Indexed in SCI) identifier identifier

  • Publication Type: Article / Article
  • Volume: 13 Issue: 3
  • Publication Date: 2013
  • Doi Number: 10.1016/j.cap.2012.10.002
  • Title of Journal : CURRENT APPLIED PHYSICS
  • Page Numbers: pp.581-586
  • Keywords: Bismuth oxide, Holmia, Nanoceramic, Electrospun nanofiber, Boron doped, ELECTRICAL-PROPERTIES, SOLID ELECTROLYTES, POLYMER-SOLUTIONS, BORON-OXIDE, FTIR, FIBER, COMPOSITES, GLASSES, SYSTEM, MATRIX

Abstract

In this article, a novel and simple method to produce both boron doped and undoped holmia stabilized bismuth oxide nanoceramic materials has been put forward. Boron doped and undoped poly ( vinyl alcohol)/bismuth-holmia acetate nanofibers were produced using the electrospinning technique and were calcined at 850 degrees C afterward in order to obtain nanopowder. The characteristics of the nanofibers were investigated with FT-IR, XRD, and SEM. XRD analyses showed that boron undoped holmia stabilized bismuth oxide nanopowders have the face-centered cubic structure (delta-phase), and that the incorporation of boron atoms into the composite prevents the nucleus formation and turns the structure into a more amorphous glassy form. The SEM micrographs of the fibers showed that the addition of boron results in the formation of cross-linked bright-surfaced fibers. The average fiber diameters for electrospun boron doped and undoped PVA/Bi-Ho acetate nanofibers were calculated using the ImageJ software as 102 nm and 171 nm, respectively. (C) 2012 Elsevier B.V. All rights reserved.