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Enhanced conductivity of aligned PANi/PEO/MWNT nanofibers by electrospinning
- Authors
- Shin, Min Kyoon; Kim, Yu Jin; Kim, Sun I.; Kim, Sung-Kyoung; Lee, Haiwon; Spinks, Geoffrey M.; Kim, Seon Jeong
- Issue Date
- Aug-2008
- Publisher
- ELSEVIER SCIENCE SA
- Keywords
- Multiwalled carbon nanotubes; Polyaniline; Electrical conductivity; Composite nanofibers
- Citation
- SENSORS AND ACTUATORS B-CHEMICAL, v.134, no.1, pp.122 - 126
- Indexed
- SCIE
SCOPUS
- Journal Title
- SENSORS AND ACTUATORS B-CHEMICAL
- Volume
- 134
- Number
- 1
- Start Page
- 122
- End Page
- 126
- ISSN
- 0925-4005
- Abstract
- Conducting composite nanofibers were fabricated from a mixture of multiwalled carbon nanotubes (MWNTs) and a polyaniline (PANi)/poly(ethylene oxide) (PEO) blend using an electrospinning process. We observed a surprising transition in the electrical conductivity of the conducting composite nanofibers while measuring the I-V characteristics of the nanofibers aligned on an electrode when they were exposed to an applied high voltage. We believe that this unexpected transition is closely related to the self-heating of the MWNTs incorporated into the conducting polymer. This type of self-heating method will be very helpful in enhancing the electrical properties of nanoscale conducting composite fibers.
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Related Researcher
- Kim, Seon Jeong
- COLLEGE OF ENGINEERING (서울 바이오메디컬공학전공)