Enhanced Microwave Absorption Property of Reduced Graphene Oxide (RGO)-MnFe2O4 Nanocomposites and Polyvinylidene Fluoride

被引：719
作者：
Zhang, Xiao-Juan [1 ]
Wang, Guang-Sheng [1 ]
Cao, Wen-Qiang [2 ]
Wei, Yun-Zhao [1 ]
Liang, Jun-Fei [1 ]
Guo, Lin [1 ]
Cao, Mao-Sheng [2 ]
机构：
[1] Beihang Univ, Key Lab Bioinspired Smart Interfacial Sci & Techn, Minist Educ, Sch Chem & Environm, Beijing 100191, Peoples R China
[2] Beijing Inst Technol, Sch Mat Sci & Engn, Beijing 100081, Peoples R China
来源：
ACS APPLIED MATERIALS & INTERFACES | 2014年 / 6卷 / 10期
基金：
中国国家自然科学基金;
关键词：
MnFe2O4; nanoparticles; RGO/MnFe2O4; nanocomposites; PVDF; wave absorption property; WAVE-ABSORPTION; ABSORBING PROPERTIES; POLYMER COMPOSITES; OXIDE-CO3O4; COMPOSITES; DIELECTRIC-PROPERTIES; COLLAGEN FIBER; MICROSPHERES; FABRICATION;
D O I：
10.1021/am500862g
中图分类号：
TB3 [工程材料学];
学科分类号：
0805 ; 080502 ;
摘要：
MnFe2O4 nanoparticles have been synthesized on a large scale by a simple hydrothermal process in a wild condition, and the RGO/MnFe2O4 nanocomposites were also prepared under ultrasonic treatment based on the synthesized nanoparticles. The absorption properties of MnFe2O4/wax, RGO/MnFe2O4/wax and the RGO/MnFe2O4/PVDF (polyvinylidene fluoride) composites were studied; the results indicated that the RGO/MnFe2O4/PVDF composites show the most excellent wave absorption properties. The minimum reflection loss of RGO/MnFe2O4/PVDF composites with filler content of 5 wt % can reach -29.0 dB at 9.2 GHz, and the bandwidth of frequency less than -10 dB is from 8.00 to 12.88 GHz. The wave absorbing mechanism can be attributed to the dielectric loss, magnetic loss and the synergetic effect between RGO+MnFe2O4, RGO+PVDF and MnFe2O4+PVDF.
引用
收藏
页码：7471 / 7478
页数：8
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