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Fibers and Polymers

, Volume 17, Issue 4, pp 593–599 | Cite as

Preparation of magnetic and conductive graphite nanoflakes/SrFe12O19/polythiophene nanofiber-nanocomposites and its radar absorbing application

  • Seyed Hossein HosseiniEmail author
  • Ali Alamian
  • S. Mahdi Mousavi
Article
  • 102 Downloads

Abstract

This study, we synthesized graphite-nanoflakes (GNFs) by acid treatment and thermal shock and then using the ultrasonic irradiation technique to exfoliate flake-carbon. The SrFe12O19 nanoparticles (NPs) were coated by co-precipitate method on GNFs after by alkaline treatment. Finally nanocomposite (GNF/SrFe12O19/PTh) was prepared by in-situ oxidative polymerization method in presence of thiophene (Th) as monomer. The magnetic and electrical conducting properties of the resulting nanocomposites were measured by using vibrating sample magnetometer and standard four-point-probe method, respectively. The synthesized nanocomposites were characterized by X-ray diffraction (XRD) and fourier transform infrared spectra (FTIR). In addition, morphological analyses were investigated by scanning electron microscopy (SEM). A minimum reflection loss (RL) of GNFs/SrFe12O19/PTh with 50 % wt GNFs/SrFe12O19 as core were observed −28 and −39 dB at 9.7 and 12 GHz for a 1.5 mm thickness. The results indicated that we can perform good microwave shielding in X-band (8–12 GHz) by these nanocomposites.

Keywords

Graphite nanoflake Polythiophene Core-shell structure Nanocomposites Radar absorbing materials 

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Copyright information

© The Korean Fiber Society and Springer Science+Business Media Dordrecht 2016

Authors and Affiliations

  • Seyed Hossein Hosseini
    • 1
    Email author
  • Ali Alamian
    • 1
  • S. Mahdi Mousavi
    • 2
  1. 1.Department of Chemistry, Faculty of Science, Central Tehran BranchIslamic Azad UniversityTehranIran
  2. 2.Department of Chemistry, Faculty of Science, Islamshahr BranchIslamic Azad UniversityTehranIran

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