Synthesis α-Fe2O3/SnO2@PANI ternary composites for X-band electromagnetic wave absorption

  • Honglong Xing
  • Ziyao Shen
  • Lei Wang
  • Yanting Zhu
  • Xiaoli Ji


α-Fe2O3/SnO2@polyaniline composites were prepared by combining a hydrothermal reaction and an emulsion polymerization process. The sizes of α-Fe2O3 and SnO2 particles dispersed into PANI were 80–120 and 8 nm, respectively. The structure, morphology, and electromagnetic (EM) parameters were characterized by using X-ray diffraction, X-ray photoelectron spectroscopy, transmission electron microscopy, and vector network analysis. To achieve the absorption of different EM bands, the EM wave absorption properties of α-Fe2O3/SnO2@PANI composites with different stannic oxide content were investigated according to transmission line theory. Polarizations and multiple reflections in the composite absorber play a key role in EM wave absorption. The α-Fe2O3/SnO2@PANI composites exhibited high EM absorption capacity and an optimal reflection loss of −50.3 dB at 9.9 GHz with thickness of 2.7 mm. Moreover, the composite could reach an effective absorption bandwidth (below −10 dB) from 7.84 to 12.08 GHz. Thus, the synthesized composites are suitable candidates for highly efficient EM wave absorption in the entire X-band.


SnO2 PANI Reflection Loss Absorber Thickness Ternary Composite 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.



This work was supported by the National Natural Science Foundation of China (Grant 51477002).

Compliance with ethical standards

Conflict of interest

The authors declare no competing financial interest.


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Copyright information

© Springer Science+Business Media New York 2017

Authors and Affiliations

  1. 1.School of Chemical EngineeringAnhui University of Science and TechnologyHuainanPeople’s Republic of China

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