Journal
NANOSCALE
Volume 10, Issue 42, Pages 19766-19773Publisher
ROYAL SOC CHEMISTRY
DOI: 10.1039/c8nr06415f
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Funding
- Hanyang University [HY-2018-1316]
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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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