Microwave absorption properties of helical carbon nanofibers-coated carbon fibers | Zendy

Lei Liu | Zendy; Pingge He | Zendy; Kechao Zhou | Zendy; Tengfei Chen | Zendy

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Microwave absorption properties of helical carbon nanofibers-coated carbon fibers

Author(s) -

Lei Liu,

Pingge He,

Kechao Zhou,

Tengfei Chen

Publication year - 2013

Publication title -

aip advances

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.421

H-Index - 58

ISSN - 2158-3226

DOI - 10.1063/1.4818495

Subject(s) - materials science , reflection loss , microwave , raman spectroscopy , chemical vapor deposition , annealing (glass) , carbon nanofiber , absorption (acoustics) , carbon nanotube , composite material , composite number , optoelectronics , optics , physics , quantum mechanics

Helical carbon nanofibers (HCNFs) coated-carbon fibers (CFs) were fabricated by catalytic chemical vapor deposition method. TEM and Raman spectroscopy characterizations indicate that the graphitic layers of the HCNFs changed from disorder to order after high temperature annealing. The electromagnetic parameters and microwave absorption properties were measured at 2–18 GHz. The maximum reflection loss is 32 dB at 9 GHz and the widest bandwidth under −10 dB is 9.8 GHz from 8.2 to 18 GHz for the unannealed HCNFs coated-CFs composite with 2.5 mm in thickness, suggesting that HCNFs coated-CFs should have potential applications in high performance microwave absorption materials

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