Research on Chemical Intermediates

, Volume 44, Issue 5, pp 3425–3435 | Cite as

Synthesis of Cu2O/multi-walled carbon nanotube hybrid material and its microwave absorption performance

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Abstract

In this paper, Cu2O/multi-walled carbon nanotube (Cu2O/MWCNT) hybrid material was successfully synthesized by a precipitation method. The constituent, morphology, structure, interaction, and electromagnetic parameters of the Cu2O/MWCNT hybrid material were tested by XRD, SEM, TEM, XPS, FT-IR, TGA, and vector network analysis. The results show that Cu2O nano-particles are randomly deposited on the MWCNTs, the interaction is a chemical force between Cu atoms belonging to Cu2O nano-particles and C=O associated with MWCNTs, and the hybrid material exhibits outstanding microwave absorption ability. When the thickness of the absorber is 1.5 mm, the optimal reflection loss (RL) of the electromagnetic wave is up to −28.8 dB at 11.9 GHz, and the valid bandwidth (RL ≤ −10 dB) is approximately 2.7 GHz (10.7–13.4 GHz). When the thickness of the absorber is 2.0 mm, the optimal RL of the electromagnetic wave is −40.5 dB at 8.1 GHz. The hybrid material has excellent microwave-absorption properties, likely due to its polarization, conductive network, and special interface structure.

Keywords

Cu2Multi-walled carbon nanotubes Microwave absorption Interaction 

Notes

Acknowledgements

This work was supported by the National Natural Science Foundation of China (grant no. 51477002) and Graduate Innovation Fund Project of Anhui University of Science and Technology.

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Copyright information

© Springer Science+Business Media B.V., part of Springer Nature 2018

Authors and Affiliations

  • Shengtao Gao
    • 1
  • Honglong Xing
    • 1
  • Yunfei Li
    • 1
  • Huan Wang
    • 1
  1. 1.School of Chemical EngineeringAnhui University of Science and TechnologyHuainanPeople’s Republic of China

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