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Thermoelectric fibers from well-dispersed carbon nanotube/poly(vinyliedene fluoride) pastes for fiber-based thermoelectric generators
- Issue Date
- Nov-2018
- Publisher
- ROYAL SOC CHEMISTRY
- Keywords
- ELECTRICAL-CONDUCTIVITY; HIGH-PERFORMANCE; POWER FACTORS; HYBRID FILMS; COMPOSITES; NANOTUBES; POLY(3,4-ETHYLENEDIOXYTHIOPHENE); THERMOPOWER; MODULES
- Citation
- NANOSCALE, v.10, no.42, pp.19766 - 19773
- Indexed
- SCIE
SCOPUS
- Journal Title
- NANOSCALE
- Volume
- 10
- Number
- 42
- Start Page
- 19766
- End Page
- 19773
- ISSN
- 2040-3364
- Abstract
- High-performance thermoelectric composite fibers were prepared via simple wet-spinning of single-walled carbon nanotube (SWCNT)/poly(vinylidene fluoride) (PVDF) pastes using a common solvent/coagulation system. By improving the content and dispersion state of SWCNTs in the composite fibers, the thermoelectric performance could be effectively enhanced. With n-type doping of SWCNTs using polyethylenimine, high-performance n-type SWCNT/PVDF composite fibers could be prepared. The power factors of the p- and n-type SWCNT/PVDF composite fibers with the SWCNT content of 50 wt% were 378 +/- 56 and 289 +/- 98 W mu m(-1) K-2, respectively. The electric power generation capability of an organic thermoelectric generator with the p- and n-type composite fibers was confirmed.
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Related Researcher
- Jang, Kwang-Suk
- COLLEGE OF SCIENCE AND CONVERGENCE TECHNOLOGY (DEPARTMENT OF CHEMICAL AND MOLECULAR ENGINEERING)