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Korean Carbon Society (한국탄소학회)
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Electrospun Nanocomposite Fiber Mats of Zinc-Oxide Loaded Polyacrylonitrile

  • Nataraj, S.K. (Carbon Materials Lab, Alan G. MacDiarmid Energy Research Institute, Chonnam National University) ;
  • Kim, B.H. (Carbon Materials Lab, Alan G. MacDiarmid Energy Research Institute, Chonnam National University) ;
  • Yun, J.H. (Carbon Materials Lab, Alan G. MacDiarmid Energy Research Institute, Chonnam National University) ;
  • Lee, D.H. (Carbon Materials Lab, Alan G. MacDiarmid Energy Research Institute, Chonnam National University) ;
  • Aminabhavi, T.M. (Carbon Materials Lab, Alan G. MacDiarmid Energy Research Institute, Chonnam National University) ;
  • Yang, K.S. (Carbon Materials Lab, Alan G. MacDiarmid Energy Research Institute, Chonnam National University)
  • Received : 2008.05.02
  • Accepted : 2008.06.03
  • Published : 2008.06.30
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Abstract

We have demonstrated the feasibility of using electrospinning method to fabricate long and continuous composite nanofiber sheets of polyacrylonitrile (PAN) incorporated with zinc oxide (ZnO). Such PAN/ZnO composite nanofiber sheets represent an important step toward utilizing carbon nanofibers (CNFs) as materials to achieve remarkably enhanced physico-chemical properties. In an attempt to derive these advantages, we have used a variety of techniques such as field emission scanning electron microscopy (FE-SEM), transmission electron microscopy (TEM) and high resolution X-ray diffraction (HR-XRD) to obtain quantitative data on the materials. The CNFs produced are in the diameter range of 100 to 350 nm after carbonization at $1000^{\circ}C$. Electrical conductivity of the random CNFs was increased by increasing the concentration of ZnO. A dramatic improvement in porosity and specific surface area of the CNFs was a clear evidence of the novelty of the method used. This study indicated that the optimal ZnO concentration of 3 wt% is enough to produce CNFs having enhanced electrical and physico-chemical properties.

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