Self-Propagating Combustion Triggered Synthesis of 3D Lamellar Graphene/BaFe12O19 Composite and Its Electromagnetic Wave Absorption Properties

被引：7

作者：

Zhao, Tingkai ^{[1
]}

Ji, Xianglin ^{[1
]}

Jin, Wenbo ^{[1
]}

Yang, Wenbo ^{[1
]}

Peng, Xiarong ^{[1
]}

Duan, Shichang ^{[1
]}

Dang, Alei ^{[1
]}

Li, Hao ^{[1
]}

Li, Tiehu ^{[1
]}

机构：

[1] Northwestern Polytech Univ, Sch Mat Sci & Engn, State Key Lab Solidificat Proc, Shaanxi Engn Lab Graphene New Carbon Mat & Applic, Xian 710072, Peoples R China

来源：

NANOMATERIALS | 2017年 / 7卷 / 03期

基金：

中国国家自然科学基金;

关键词：

3D lamellar graphene; BaFe12O19; self-propagating combustion; electromagnetic wave absorbing property; MICROWAVE-ABSORBING PROPERTIES; 3-DIMENSIONAL GRAPHENE AEROGEL; PERFORMANCE; NANOCOMPOSITES; NANOPARTICLES; FERRITE; MICROSPHERES; ENHANCEMENT; FOAM;

D O I：

10.3390/nano7030055

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

The synthesis of 3D lamellar graphene/BaFe12O19 composites was performed by oxidizing graphite and sequentially self-propagating combustion triggered process. The 3D lamellar graphene structures were formed due to the synergistic effect of the tremendous heat induced gasification as well as huge volume expansion. The 3D lamellar graphene/BaFe12O19 composites bearing 30 wt % graphene present the reflection loss peak at -27.23 dB as well as the frequency bandwidth at 2.28 GHz (< -10 dB). The 3D lamellar graphene structures could consume the incident waves through multiple reflection and scattering within the layered structures, prolonging the propagation path of electromagnetic waves in the absorbers.

引用

页数：12

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