Construction of polyaniline aligned on magnetic functionalized biomass carbon giving excellent microwave absorption properties

被引：96

作者：

Yang, Qixin ^{[1
]}

Shi, Yiyuan ^{[1
]}

Fang, Yu ^{[1
]}

Dong, Yubing ^{[1
]}

Ni, Qingqing ^{[1
,2
]}

Zhu, Yaofeng ^{[1
]}

Fu, Yaqin ^{[1
]}

机构：

[1] Zhejiang Sci Tech Univ, Minist Educ, Key Lab Adv Text Mat & Mfg Technol, Hangzhou 310018, Zhejiang, Peoples R China

[2] Shinshu Univ, Interdisciplinary Grad Sch Sci & Technol, Ueda, Nagano 3868576, Japan

来源：

COMPOSITES SCIENCE AND TECHNOLOGY | 2019年 / 174卷 / 176-183期

基金：

中国国家自然科学基金;

关键词：

Hybrid composites; Magnetic properties; Interface; PERFORMANCE; COMPOSITES; ENHANCEMENT; LIGHTWEIGHT; NANOPARTICLES; GRAPHENE; NANOTUBES; HYBRIDS; SPONGE;

D O I：

10.1016/j.compscitech.2019.02.031

中图分类号：

TB33 [复合材料];

学科分类号：

摘要：

A novel ternary nanocomposite of Fe3O4 functionalized porous biomass carbon decorated by aligned polyaniline (A-PANI/Fe3O4/PBC) was successfully fabricated by hydrothermal and in situ oxidative polymerization. The morphology and structure of the composite was characterized by X-ray diffraction, fourier transform infrared spectra, scanning electron microcopy, transmission electron microscopy, X-ray photoelectron spectra and vibrating sample magnetometer. The microwave absorbing properties of A-PANI/Fe3O4/PBC composite were investigated in the frequency of 2-18 GHz. The results indicated that the A-PANI/Fe3O4/PBC composite possess excellent microwave absorbing performance, and the minimum reflection loss can be up to -44.8 dB at 10.67 GHz, effective absorbing bandwidth (RL < -10 dB) reaches 4.69 GHz with a thickness of 2.7 mm. The excellent microwave absorbing performance of composite was mainly related to the multi-loss mechanisms, good impedance matching, synergistic and geometrical effect of porous biomass carbon, magnetic particles and aligned PANI.

引用

页码：176 / 183

页数：8

共 38 条

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