Polycarbonate-carbon nanofibers composites: an electron spin resonance study
Article
Article Title | Polycarbonate-carbon nanofibers composites: an electron spin resonance study |
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ERA Journal ID | 1699 |
Article Category | Article |
Authors | Chipara, Mircea (Author), Brittain, Wiliam J. (Author), Lau, Kin-Tak (Author) and Chipara, Magdalena Dorina (Author) |
Editors | Lau, Alan K. T., Lu, J., Varadan, Vijay K., Chang, F. K., Tu, J. P. and Lam, P. M. |
Journal Title | Polymers and Polymer Composites |
Journal Citation | 16 (8), pp. 519-526 |
Number of Pages | 8 |
Year | 2008 |
Place of Publication | Shrewsbury, United Kingdom |
ISSN | 0952-6900 |
0967-3911 | |
1478-2391 | |
Abstract | Electron spin resonance investigations on polycarbonate loaded with various amounts of carbon nanofibers (ranging from 0% to 10%) are reported. A complex resonance spectrum was recorded. The spectrum was assigned to the convolution of resonance lines originating from the conducting electrons delocalized over the metallic domains of nanotubes, of free radicals generated during the polymer processing, and of catalyst's traces. The shape of resonance spectra originating from conducting electrons delocalized over the metallic domains of nanotubes was accurately fitted by a Lorentzian-like shape. The correlation between the measured DC resistivity of these samples and the relevant parameters of the resonance spectrum (line width, g-factor, and ratio between the amplitude of the absorption and dispersion components) was investigated. The saturation of the ESR line, at room temperature is reported. |
Keywords | carbon nanofibers; electrical conductivity; electron spin resonance; polycarbonate |
ANZSRC Field of Research 2020 | 401807. Nanomaterials |
401609. Polymers and plastics | |
401803. Nanoelectromechanical systems | |
Public Notes | Files associated with this item cannot be displayed due to copyright restrictions. |
Byline Affiliations | University of Texas at Rio Grande Valley, United States |
University of Akron, United States | |
Hong Kong Polytechnic University, China | |
Event | International Conference on Multifunctional Materials and Structures 2008 |
Series | Advanced Materials Research |
Institution of Origin | University of Southern Queensland |
ISBN | 9780878493784 |
Book Title | Multi-Functional Materials and Structures, Part 2 |
Event Details | International Conference on Multifunctional Materials and Structures 2008 Event Date 28 to end of 31 Jul 2008 Event Location Hong Kong |
https://research.usq.edu.au/item/q0q6x/polycarbonate-carbon-nanofibers-composites-an-electron-spin-resonance-study
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