Li, N and Huang, Y and Du, F and He, X. B. and Lin, X and Gao, H. J. and Ma, Y. F. and Li, F. F. and Chen, Y. S. and Eklund, P. C. (2006) Electromagnetic interference (EMI) shielding of single-walled carbon nanotube epoxy composites. NANO LETTERS, 6 (6). pp. 1141-1145.
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Official URL: http://pubs.acs.org/doi/abs/10.1021/nl0602589
Abstract
Single-walled carbon nanotube (SWNT)-polymer composites have been fabricated to evaluate the electromagnetic interference (EMI) shielding effectiveness (SE) of SWNTs. Our results indicate that SWNTs can be used as effective lightweight EMI shielding materials. Composites with greater than 20 dB shielding efficiency were obtained easily. EMI SE was tested in the frequency range of 10 MHz to 1.5 GHz, and the highest EMI shielding efficiency (SE) was obtained for 15 wt % SWNT, reaching 49 dB at 10 MHz and exhibiting 15-20 dB in the 500 MHz to 1.5 GHz range. The EMI SE was found to correlate with the dc conductivity, and this frequency range is found to be dominated by reflection. The effects of SWNT wall defects and aspect ratio on the EMI SE were also studied.
| Item Type: | Article |
|---|---|
| Subjects: | Material Science > Functional and hybrid materials Physical Science > Nano objects Engineering > Nanotechnology applications in ICT |
| ID Code: | 3734 |
| Deposited By: | Farnush Anwar |
| Deposited On: | 22 Jan 2009 13:02 |
| Last Modified: | 19 Feb 2009 09:58 |
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