期刊
RSC ADVANCES
卷 6, 期 91, 页码 88104-88109出版社
ROYAL SOC CHEMISTRY
DOI: 10.1039/c6ra17076e
关键词
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资金
- National Natural Science Foundation of China [51472012]
- Fundamental Research Funds for the Central Universities
The core-shell structural MnFe2O4@SiO2 nanocomposite has been successfully fabricated on a large-scale via a simple mechanical stirring method at room temperature. Subsequently, the synthesized MnFe2O4@SiO2 nanoparticles were compounded with polyaniline (PANI) and polyvinylidene fluoride (PVDF) to form ternary nanocomposites. The composites filled with 20 wt% MnFe2O4@SiO2 and 20 wt% PANI in a PVDF matrix show the most excellent wave absorption performance. The minimum reflection loss value can reach -25.73 dB at 12.32 GHz, and the effective frequency bandwidth (RL < -10 dB) ranges from 10.72 to 14.40 GHz. Moreover, the possible microwave absorption mechanism has been also discussed in detail.
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