4.6 Article

Porous-carbon-nanotube decorated carbon nanofibers with effective microwave absorption properties

Journal

NANOTECHNOLOGY
Volume 28, Issue 35, Pages -

Publisher

IOP PUBLISHING LTD
DOI: 10.1088/1361-6528/aa7ae9

Keywords

porous architecture; carbon nanofiber; carbon nanotube; wave absorption

Funding

  1. National Natural Science Foundation of China [51302049, 51372052, 51302050]
  2. Project of Natural Scientific Research Innovation Foundation in Harbin Institute of Technology [HIT.NSRIF.2015106, HIT. NSRIF. 2014129]
  3. Technology Development Program at Weihai [2013DXGJ12]
  4. National Nature Science Foundation of China [91326102]

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Carbon nanofibers decorated with porous carbon nanotubes were prepared by electrospinning and annealing methods. The microwave reflection loss of the products was investigated in the frequency range of 2-18 GHz. The bandwidth with a reflection loss less than -10 dB covers a wide frequency, ranging from 7.0 to 14.1 GHz with thickness of 3.0-5.5 mm, and the minimum reflection loss is -44.5 dB at 10.7 GHz with thickness of 2.0 mm. The large reflection loss and wide reflection band reveal that the products could be a promising candidate for microwave absorption.

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