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

被引：731

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

页码：7471 / 7478

页数：8

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