Enhanced microwave absorption property of reduced graphene oxide (RGO)-MnFe2O4 nanocomposites and polyvinylidene fluoride

Xiao Juan Zhang, Guang Sheng Wang*, Wen Qiang Cao, Yun Zhao Wei, Jun Fei Liang, Lin Guo, Mao Sheng Cao

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

717 Citations (Scopus)

Abstract

MnFe2O4 nanoparticles have been synthesized on a large scale by a simple hydrothermal process in a wild condition, and the RGO/MnFe2O4 nanocomposites were also prepared under ultrasonic treatment based on the synthesized nanoparticles. The absorption properties of MnFe2O4/wax, RGO/MnFe2O 4/wax and the RGO/MnFe2O4/PVDF (polyvinylidene fluoride) composites were studied; the results indicated that the RGO/MnFe 2O4/PVDF composites show the most excellent wave absorption properties. The minimum reflection loss of RGO/MnFe2O 4/PVDF composites with filler content of 5 wt % can reach -29.0 dB at 9.2 GHz, and the bandwidth of frequency less than -10 dB is from 8.00 to 12.88 GHz. The wave absorbing mechanism can be attributed to the dielectric loss, magnetic loss and the synergetic effect between RGO+MnFe2O 4, RGO+PVDF and MnFe2O4+PVDF.

Original languageEnglish
Pages (from-to)7471-7478
Number of pages8
JournalACS applied materials & interfaces
Volume6
Issue number10
DOIs
Publication statusPublished - 28 May 2014

Keywords

  • PVDF
  • wave absorption property

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