Abstract
Lightweight, flexible and highly efficient microwave absorbing single-walled carbon nanotube (SWNT)/polymer composites were fabricated through chemical functionalisation to ensure uniform dispersion of SWNTs in a polymer matrix. These composites were used to fabricate thin electromagnetic absorption coatings, which achieve a maximum reflection loss ( RL ) magnitude of 24 dB at X-band frequencies. Based on analysis of measured results it is discovered that the frequency of peak absorption is dependent on coating thickness ( d ) and filler wt%. Trade-offs between d and SWNT wt% are discussed with respect to peak | RL |.
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