화학공학소재연구정보센터
홈 로그인 로그아웃 연락처 사이트맵
Journal of Industrial and Engineering Chemistry, Vol.15, No.5, 699-702, September, 2009
DOI10.1016/j.jiec.2009.09.048  Export Citation
The improved electrical conductivity of carbon nanofibers by fluorinated MWCNTs
Ji Sun Im, Sang Jin Kim, Phil Hyun Kang1, and Young-Seak Lee†
  • Department of Fine Chemical Engineering and Applied Chemistry, BK21-E2M, Chungnam National University, Daejeon 305-764, Republic of Korea
  • 1Radiation Research Division for Industry and Environment, Advanced Radiation Technology Institute, Korea Atomic Energy Research Institute, Jeollabuk-do 580-185, Republic of Korea
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In order to increase the conductivity of carbon nanofiber sheet, conductive multi wall carbon nanotubes (MWCNTs) was added into the carbon fibers. The dispersion of MWCNTs into the fibers and adhesion between carbon fibers and MWCNTs were improved through fluorine modification on surface of MWCNTs. By fluorination treatment, hydrophobic functional group was introduced on the surface of MWCNTs improving the affinity on interface between two carbon materials. These nanofibers made by electrospinning method were treated at different temperature in order to investigate the effect of temperature. According to the increment of temperature, the better conductivity of carbon nanofibers sheet was obtained due to the better oriented carbon structure. Eventually, the improved conductivity of carbon nanofiber sheet was resulted showing 27 S/cm.
Keywords:Composite materials;Electrical properties;Fiber technology;Carbon nanotube;Fluorination
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