Cellulose fabrics were coated with single-walled carbon nanotubes (SWCNTs) by a dip-drying process. Scanning electron microscopy (SEM) and Raman spectroscopy analyses indicate the attachment of SWCNTs. The sheet resistance of SWCNT-coated fabrics can be altered by modifying the raw cellulose fabrics with low-pressure argon plasma. An initial plasma ablation of up to 3 min results in the decrease of sheet resistance, which can be ascribed to the increase of fibre surface roughness, evidenced by SEM analyses. A further increase in the extent of plasma ablation brings about the increase in sheet resistance, which is associated with the incorporation of oxygen functionalities, supported by the data obtained on colour strength measurements.
Inspec keywords: surface roughness; gas sensors; adsorption; drying; scanning electron microscopy; composite materials; plasma materials processing; electrical resistivity; surface treatment; Raman spectra; carbon nanotubes
Other keywords: colour strength measurements; sheet resistance; cellulose fabrics; C; single-walled carbon nanotubes; scanning electron microscopy; argon plasma pretreatment; SEM; low-pressure argon plasma; dip drying process; SWCNT-coated fabrics; carbon nanotube-coated cellulose fabric; Raman spectroscopy analyses; plasma ablation; fibre surface roughness
Subjects: Infrared and Raman spectra and scattering (condensed matter); Adsorption and desorption kinetics; evaporation and condensation; Sorption and accommodation coefficients (surface chemistry); Plasma applications in manufacturing and materials processing; Chemical sensors; Solid surface structure; Electrical properties of thin films and low-dimensional structures; Surface treatment and degradation of composites
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