10.1007/s40089-017-0223-1

Nanosized amorphous (Co‚ Fe) oxide particles decorated PANI–CNT: facile synthesis‚ characterization‚ magnetic‚ electromagnetic properties and their application

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  • Farhood Heydari*1,
  • Seyyed Salman Seyyed Afghahi2,
  • Mehrdad Manteghian3,
  • Mohammad Javad Taghizadeh4,
  1. Nanomaterials Group, Department of Materials Engineering, Tarbiat Modares University, Tehran, IR
  2. Department of Engineering, Imam Hossein University, Tehran, IR
  3. Department of Chemical Engineering, Tarbiat Modares University, Tehran, IR
  4. Department of Chemistry, Imam Hossein University, Tehran, IR
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Published in Issue 2017-11-22

How to Cite

Heydari, F., Afghahi, S. S. S., Manteghian, M., & Taghizadeh, M. J. (2017). Nanosized amorphous (Co‚ Fe) oxide particles decorated PANI–CNT: facile synthesis‚ characterization‚ magnetic‚ electromagnetic properties and their application. International Nano Letters, 7(4 (December 2017). https://doi.org/10.1007/s40089-017-0223-1
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Abstract

Abstract In this research (PANI/CNT) core/shell nanocomposite were synthesized via in situ chemical oxidative seeding polymerization‚ the results of SEM indicated the structure of synthesized nanocomposite. TEM‚ FTIR‚ UV–Vis‚ XRD analyses of samples showed that this nanocomposite is decorated with (Fe‚ Co) oxide nanoparticles. The VSM test of as prepared and annealed nanocomposite exhibited the saturated magnetization of 1.1 and 3.86 emu/g, respectively; the coercivity values were also − 350 and − 110 Oe, respectively. The reflection loss characteristics of (Fe‚ Co) oxide–Pani–CNT core/shell nanocomposite were also investigated with a vector network analyzer‚ in the 8.2–12.4 GHz range (X band). The maximum absorption increases with enhancement of the dispersed nanoparticles percent in polyurethane matrix from 1 to 10%. The value of the maximum reflection loss in the absorption samples with 1 and 10% of nanoparticles is − 2.14 dB at 9.33 GHz and − 7.32 dB at 11.97 GHZ, respectively.

Keywords

  • Seeding polymerization,
  • Co-precipitation,
  • Magnetic properties,
  • Microwave absorption
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