期刊
RSC ADVANCES
卷 5, 期 114, 页码 93739-93748出版社
ROYAL SOC CHEMISTRY
DOI: 10.1039/c5ra18668d
关键词
-
资金
- Priority Academic Program Development of Jiangsu Higher Education Institutions (PAPD)
- Opening Project of Jiangsu Key Laboratory of Advanced Structural Materials and Application Technology [ASMA201405]
For the first time, silane coupling agent modified Ni0.4Zn0.4Co0.2Fe2O4 ferrite covered with reduced graphene oxide nanocomposites were synthesized by a simple, efficient and controllable three-step method. The structural characteristics were investigated by Fourier transform infrared spectra, X-ray diffraction, elemental analysis, thermal gravity analysis, field-emission scanning electron microscopy and transmission electron microscopy. The results indicated that the coupling agent modified ferrite particles were firmly and uniformly covered on the rGO nanosheets. Microwave adsorption properties were also performed at room temperature in the frequency range of 2-18 GHz. The minimum reflection loss of rGO/APTS-NZCF composites can reach -51.8 dB at 15.1 GHz with the thickness of 2.1 mm, and the effective bandwidth corresponding to R-L less than -10 dB was 5.3 GHz (from 12.7 to 18 GHz). The excellent microwave adsorption properties indicate this novel composite could be used as a new candidate for lightweight electromagnetic wave adsorption material.
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