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2. Controllable Synthesis of One-Dimensional MoO3 /MoS2 Hybrid Composites with their Enhanced Efficient Electromagnetic Wave Absorption Properties

Author

Guang-Sheng Wang, Ruo-Cheng Ding, Xun Shen, and Chao-Qin Li

Subjects
Nanocomposite, Materials science, 010405 organic chemistry, Reflection loss, General Chemistry, 010402 general chemistry, 01 natural sciences, Polyvinylidene fluoride, 0104 chemical sciences, Matrix (chemical analysis), chemistry.chemical_compound, chemistry, Hydrothermal synthesis, Composite material, Absorption (electromagnetic radiation), Molybdenum disulfide, Microwave
Abstract

One-dimensional MoO3 /MoS2 hybrid composites were synthesized by hydrothermal synthesis, and flexible MoO3 /MoS2 /PVDF nanocomposites could be prepared in a controlled fashion by combining the MoO3 /MoS2 composites with polyvinylidene fluoride (PVDF) matrix. The MoO3 /MoS2 /PVDF hybrids with a low filler content (20 wt %) exhibited distinct microwave absorption properties in the range of 2-18 GHz. The minimum reflection loss can reach -38.5 dB at 8.7 GHz, and the reflection loss was less than -10 dB in the frequency range from 3.03-11.02 GHz with an absorber thickness of 2.0-5.0 mm. The MoO3 /MoS2 /PVDF nanocomposites exhibited better absorption properties than pure MoO3 and MoS2 . The possible microwave absorption mechanism was also discussed in detail.

Published
2019

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