Please use this identifier to cite or link to this item: https://doi.org/10.3390/s90100086
Title: Preparation of surface adsorbed and impregnated multi-walled carbon nanotube/nylon-6 nanofiber composites and investigation of their gas sensing ability
Authors: Lala, N.L. 
Thavasi, V. 
Ramakrishna, S. 
Keywords: Dispersion
Electrospinning
Nanofibers
One dimensional material
Porosity
Surface functionalization
Issue Date: Jan-2009
Citation: Lala, N.L., Thavasi, V., Ramakrishna, S. (2009-01). Preparation of surface adsorbed and impregnated multi-walled carbon nanotube/nylon-6 nanofiber composites and investigation of their gas sensing ability. Sensors 9 (1) : 86-101. ScholarBank@NUS Repository. https://doi.org/10.3390/s90100086
Abstract: We have prepared electrospun Nylon-6 nanofibers via electrospinning, and adsorbed multi-walled carbon nanotubes (MWCNTs) onto the surface of Nylon-6 fibers using Triton® X-100 to form a MWCNTs/Nylon-6 nanofiber composite. The dispersed MWCNTs have been found to be stable in hexafluoroisopropanol for several months without precipitation. A MWCNTs/Nylon-6 nanofiber composite based chemical sensor has demonstrated its responsiveness towards a wide range of solvent vapours at room temperature and only mg quantities of MWCNTs were expended. The large surface area and porous nature of the electrospun Nylon-6/MWCNT nanofibers facilitates greater analyte permeability. The experimental analysis has indicated that the dipole moment, functional group and vapour pressure of the analytes determine the magnitude of the responsiveness.
Source Title: Sensors
URI: http://scholarbank.nus.edu.sg/handle/10635/61145
ISSN: 14248220
DOI: 10.3390/s90100086
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