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Electrospinning Fabrication and Infrared-Radar Compatibly Properties of MWCNTs/Zn0.96Co0.04O composite nanofibers
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TB34

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    Abstract:

    Multi-walled carbon nanotubes (MWCNTs) were purified by concentrated nitric acid and sulfuric acid. MWCNTs/Zn0.96Co0.04O composite nanofibers were prepared through electrospinning and calcination technique. The crystalline phase and micromorphology of the samples were examined by TGA, XRD, FT-IR, SEM and TEM. Microwave absorption properties and infrared emissivity of MWCNTs/Zn0.96Co0.04O composite nanofibers were determined with a vector network analyzer and a IR-2 infrared emissivity analyzer respectively. The results showed that the average diameter of MWCNTs/Zn0.96Co0.04O composite nanofibers were about 160nm. The lowest infrared emissivity of MWCNTs/Zn0.96Co0.04O composite nanofibers was 0.61, at which the mass fraction of MWCNTs was 6%. The matching thickness of MWCNTs/Zn0.96Co0.04O composite nanofibers was 1.5mm, at which the microwave absorption properties were fine: The minimum reflection could reach -26.4 dB at 13.8 GHz, and the frequency band with reflectivity less than -10 dB was 11.8~15.8 GHz. It is possible that MWCNTs/Zn0.96Co0.04O composite nanofibers were used as a novel and promising infrared/radar compatible stealth material.

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[汪心坤,cheng zhaogang, zhao fang, wang jianjiang, li ze. Electrospinning Fabrication and Infrared-Radar Compatibly Properties of MWCNTs/Zn0.96Co0.04O composite nanofibers[J]. Rare Metal Materials and Engineering,2020,49(12):4262~4270.]
DOI:10.12442/j. issn.1002-185X.20191069

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History
  • Received:December 18,2019
  • Revised:April 17,2020
  • Adopted:April 26,2020
  • Online: January 13,2021
  • Published: