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Enhancement of electrical characteristics of electrospun polyaniline nanofibers by embedding the nanofibers with Ga-doped ZnO nanoparticles

Authors
Jun, Jin HyungCho, KyungahYun, JunggwonSuh, Kwang S.Kim, TaeYoungKim, Sangsig
Issue Date
Aug-2008
Publisher
ELSEVIER SCIENCE BV
Keywords
conductivity; electrospirming; nanoparticles; polyaniline
Citation
ORGANIC ELECTRONICS, v.9, no.4, pp.445 - 451
Indexed
SCIE
SCOPUS
Journal Title
ORGANIC ELECTRONICS
Volume
9
Number
4
Start Page
445
End Page
451
URI
https://scholar.korea.ac.kr/handle/2021.sw.korea/122998
DOI
10.1016/j.orgel.2008.02.001
ISSN
1566-1199
Abstract
Polyaniline nanofibers embedded with undoped ZnO nanoparticles (NPs) or Ga-doped ZnO (ZnO:Ga) NPs were fabricated and their structural and electrical properties were investigated. The uniform distribution of the NPs inside the polyaniline nanofibers was confirmed by transmission electron microscopy analysis. Polyaniline nanofibers embedded with ZnO:Ga-NPs showed their higher conductivities, compared with polyaniline nanofibers embedded with undoped ZnO-NPs. Single nanofibers electrospun from a mixture of a polyaniline solution with a 30 vol% ZnO:Ga-NPs dispersed-solution showed approximately five times higher conductivity than those electrospun from the polyaniline solution alone. This observation indicates that the embedding of the ZnO:Ga-NPs significantly enhances the electrical characteristics of the polyaniline nanofibers. (C) 2008 Elsevier B.V. All rights reserved.
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