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Electrospun tungsten oxide nanofibers: Fabrication and characterization

  • Guan Wang
  • , Xianrong Huang
  • , Xiaoqing Yang
  • , Pelagia Irene Gouma
  • , Michael Dudley
  • Stony Brook University
  • Brookhaven National Laboratory

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

Abstract

Tungsten oxide nanofibers have been successfully fabricated in a way based on electrospinning technique. A DMF solution of Poly(Vinyl Acetate)(PVAc, Mw=500,000) was mixed with tungsten isopropoxide to form a viscous precursor solution. Composite nanofibers were obtained by electrspinning this viscous solution. By calcination of the composite fibers, pure tungsten oxide nanofibers were obtained with controllable diameters of around 100 nm. Morphology of the fibers has been characterized by SEM and TEM. The relationship between solution concentration and ceramic nanofiber morphology has been studied. The detailed structure evolution process has been investigated by synchrotron based in-situ XRD. Specific phases of the oxide nanofibers at various calcination temperatures have been obtained from the in-situ XRD spectrum.

Original languageEnglish
Title of host publicationNanostructured Materials and Hybrid Composites for Gas Sensors and Biomedical Applications
PublisherMaterials Research Society
Pages155-160
Number of pages6
ISBN (Print)9781558998711
DOIs
StatePublished - 2006
Event2006 Materials Research Society Spring Meeting - San Francisco, CA, United States
Duration: Apr 18 2006Apr 20 2006

Publication series

NameMaterials Research Society Symposium Proceedings
Volume915
ISSN (Print)0272-9172

Conference

Conference2006 Materials Research Society Spring Meeting
Country/TerritoryUnited States
CitySan Francisco, CA
Period04/18/0604/20/06

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