Thermoelectric properties of dispersant-free semiconducting single-walled carbon nanotubes sorted by a flavin extraction method

Semiconducting single-walled carbon nanotubes (s-SWNTs) were extracted from SWNT mixtures using a flavin derivative (FC12). We evaluated the thermoelectric properties of the s-SWNT sheets. Electrical conductivity, power factor and figure of merit values of the sheets were increased by two orders of...

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Bibliographic Details
Published in:Chemical communications (Cambridge, England) England), 2019-02, Vol.55 (18), p.2636-2639
Main Authors: Huang, W, Toshimitsu, F, Ozono, K, Matsumoto, M, Borah, A, Motoishi, Y, Park, K.-H, Jang, J.-W, Fujigaya, T
Format: Article
Language:English
Subjects:
Dichloromethane
Dispersants
Electrical resistivity
Figure of merit
Power factor
Sheets
Single wall carbon nanotubes
Thermoelectricity
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Summary:Semiconducting single-walled carbon nanotubes (s-SWNTs) were extracted from SWNT mixtures using a flavin derivative (FC12). We evaluated the thermoelectric properties of the s-SWNT sheets. Electrical conductivity, power factor and figure of merit values of the sheets were increased by two orders of magnitude after removing FC12 simply by dipping in dichloromethane. Flavin extraction method realized an improved power factor by easy removal of the dispersant from semiconducting SWNT sheet.
ISSN:1359-7345
1364-548X
DOI:10.1039/c8cc10264c