Enhanced electromagnetic wave absorption properties of polyaniline-coated Fe3O4/reduced graphene oxide nanocomposites

被引：65

作者：

Chen, Tian ^{[1
,2
]}

Qiu, Jinhao ^{[2
,3
]}

Zhu, Kongjun ^{[2
,3
]}

Che, Yincheng ^{[1
]}

Zhang, Yun ^{[1
]}

Zhang, Jiamin ^{[1
]}

Li, Hao ^{[1
]}

Wang, Fei ^{[1
]}

Wang, Zhenzhen ^{[1
]}

机构：

[1] Nanjing Univ Aeronaut & Astronaut, Coll Mat Sci & Technol, Nanjing 210016, Peoples R China

[2] Nanjing Univ Aeronaut & Astronaut, State Key Lab Mech & Control Mech Struct, Nanjing 210016, Peoples R China

[3] Nanjing Univ Aeronaut & Astronaut, Coll Aerosp Engn, Nanjing 210016, Peoples R China

来源：

JOURNAL OF MATERIALS SCIENCE-MATERIALS IN ELECTRONICS | 2014年 / 25卷 / 09期

基金：

中国国家自然科学基金; 国家高技术研究发展计划(863计划);

关键词：

MICROWAVE-ABSORBING PROPERTIES; COMPOSITE;

D O I：

10.1007/s10854-014-2073-1

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

Fe3O4-reduced graphene oxide-polyaniline (Fe3O4-RGO-PANI) ternary electromagnetic wave absorbing materials were prepared by in situ polymerization of aniline monomer on the surface of Fe3O4-RGO nanocomposites. The morphology, structure and other physical properties of the nanocomposites were characterized by X-ray diffraction, transmission electron microscopy, vibration sample magnetism, etc. The electromagnetic wave absorbing properties of composite materials were measured by using a vector network analyzer. The PANI-Fe3O4-RGO nanocomposites demonstrated that the maximum reflection loss was -36.5 dB at 7.4 GHz with a thickness of 4.5 mm and the absorption bandwidth with the reflection loss below -10 dB was up to 12.0 GHz with a thickness in the range of 2.5-5.0 mm, suggesting that the microwave absorption properties and the absorption bandwidth were greatly enhanced by coating with polyaniline (PANI). The strong absorption characteristics of PANI-Fe3O4-RGO ternary composites indicated their potential application as the electromagnetic wave absorbing material.

引用

页码：3664 / 3673

页数：10

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