Preparation and Characterization of Highly Aligned Carbon Nanotubes/Polyacrylonitrile Composite Nanofibers
Abstract
:1. Introduction
2. Experimental
2.1. Materials
2.2. Preparation of Spinning Solution
2.3. Fabrication of Highly Aligned SWCNTs/PAN Composite Nanofibers
2.4. Measurements and Characterizations
2.4.1. Scanning Electron Microscopy (SEM)
2.4.2. Transmission Electron Microscopy (TEM)
2.4.3. Fourier-Transform Infrared (FTIR) Spectroscopy and Raman Spectroscopy
2.4.4. X-ray Diffraction (XRD)
2.4.5. High-Resistance Meter and Universal Testing Machine
3. Results and Discussion
3.1. Morphological Characterization of Highly Aligned SWCNTs/PAN Composite Nanofibers (SEM)
3.2. Characterization of SWCNT Distribution in the Composite Nanofibers (TEM)
3.3. FTIR and Raman Spectra Analysis
3.4. XRD Spectra
3.5. Mechanical Properties Analysis (Universal Testing Machine)
3.6. Surface Resistance (High-Resistance Meter)
4. Conclusions
Acknowledgments
Author Contributions
Conflicts of Interest
References
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Method | SWCNTs concentration (wt %) | Average diameter () (nm) | Standard deviation (σ) (nm) | Confidence interval (nm) |
---|---|---|---|---|
MPEM | 0 | 536 | 132.8 | ±36.6 |
MPEM | 0.5 | 539 | 120.7 | ±33.3 |
MPEM | 1 | 542 | 103.7 | ±28.5 |
MPEM | 1.5 | 634 | 104.8 | ±28.9 |
MPEM | 2 | 737 | 189.6 | ±52.3 |
ES | 1 | 635 | 184.4 | ±36.1 |
Sample | Crystallinity (%) |
---|---|
SWCNTs | 85.69 |
PAN nanofibers | 49.3 |
SWCNTs/PAN nanofibers with 0.5 wt % SWCNTs | 55.62 |
SWCNTs/PAN nanofibers with 1 wt % SWCNTs | 55.76 |
SWCNTs/PAN nanofibers with 1.5 wt % SWCNTs | 55.76 |
SWCNTs/PAN nanofibers with 2 wt % SWCNTs | 55.79 |
SWCNTs concentration (wt %) | Surface resistance () | |
---|---|---|
MPEM | ES | |
0 | 1.7 × 1014 | 6.0 × 1015 |
0.5 | 2.5 × 1012 | 2.4 × 1015 |
1 | 1.5 × 1011 | 4.5 × 1013 |
1.5 | 9.2 × 109 | 2.3 × 1012 |
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Song, Y.; Sun, Z.; Xu, L.; Shao, Z. Preparation and Characterization of Highly Aligned Carbon Nanotubes/Polyacrylonitrile Composite Nanofibers. Polymers 2017, 9, 1. https://doi.org/10.3390/polym9010001
Song Y, Sun Z, Xu L, Shao Z. Preparation and Characterization of Highly Aligned Carbon Nanotubes/Polyacrylonitrile Composite Nanofibers. Polymers. 2017; 9(1):1. https://doi.org/10.3390/polym9010001
Chicago/Turabian StyleSong, Yanhua, Zhaoyang Sun, Lan Xu, and Zhongbiao Shao. 2017. "Preparation and Characterization of Highly Aligned Carbon Nanotubes/Polyacrylonitrile Composite Nanofibers" Polymers 9, no. 1: 1. https://doi.org/10.3390/polym9010001