Journal
COMPOSITES PART B-ENGINEERING
Volume 134, Issue -, Pages 91-97Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.compositesb.2017.09.071
Keywords
Coiled amorphous carbon nanotubes (CACNT); Array; Electromagnetic wave absorbing properties
Funding
- Natural Science Foundation of China [51672221]
- China Aeronautical Science Fund [2014ZF53074]
- Key Science and Technology Program of Shaanxi Province, China [2013K09-03, 2017ZDXM-GY-034]
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Coiled amorphous carbon nanotube (CACNT) array was prepared by chemical vapor deposition method. The experimental results indicated that the length of as-prepared CACNT array was about 30 pm. The electromagnetic wave absorbing properties were studied through comparison among CACNTs, CACNT-La(NO3)(3), CACNT-(Fe, Co, Ni) and CACNT-reduced graphene oxide (RGO). The experimental results showed the maximum frequency bandwidth of CACNT-(Fe, Co, Ni) was 6.4 GHz below -5 dB and 2.3 GHz below -10 dB separately. Compared to the pure CACNTs, all the frequency bandwidth had been broaden after adding the modified agent. Meanwhile, the additive of rare earth ions La3+ could effectively increase the maximum absorption peak (-17.94 dB at 8.96 GHz). (C) 2017 Published by Elsevier Ltd.
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