scholarly journals Flexible composite film of aligned polyaniline grown on the surface of magnetic barium titanate/polyvinylidene fluoride for exceptional microwave absorption performance

RSC Advances ◽  
2017 ◽  
Vol 7 (58) ◽  
pp. 36473-36481 ◽  
Author(s):  
Lujun Yu ◽  
Yaofeng Zhu ◽  
Yaqin Fu
Keyword(s):  
Barium Titanate ◽  
Composite Film ◽  
Microwave Absorption ◽  
Polyvinylidene Fluoride ◽  
High Performance ◽  
Structure Design ◽  
Rational Structure ◽  
Microwave Absorbers ◽  
Absorption Performance ◽  
Microwave Absorption Performance

A rational structure design is always an attractive approach for high-performance microwave absorbers.

scholarly journals Correction: Flexible composite film of aligned polyaniline grown on the surface of magnetic barium titanate/polyvinylidene fluoride for exceptional microwave absorption performance

RSC Advances ◽  
2018 ◽  
Vol 8 (47) ◽  
pp. 26938-26938
Author(s):  
Lujun Yu ◽  
Yaofeng Zhu ◽  
Yaqin Fu
Keyword(s):  
Barium Titanate ◽  
Composite Film ◽  
Microwave Absorption ◽  
Polyvinylidene Fluoride ◽  
Absorption Performance ◽  
Microwave Absorption Performance

Correction for ‘Flexible composite film of aligned polyaniline grown on the surface of magnetic barium titanate/polyvinylidene fluoride for exceptional microwave absorption performance’ by Lujun Yu et al., RSC Adv., 2017, 7, 36473–36481.

Hybrids of cobalt nanochains and polyvinylidene fluoride with enhanced microwave absorption performance

RSC Advances ◽  
2016 ◽  
Vol 6 (60) ◽  
pp. 55546-55551 ◽  
Author(s):  
Shu-Qing Lv ◽  
Ya-Fei Pan ◽  
Pei-Bo Yang ◽  
Guang-Sheng Wang
Keyword(s):  
Microwave Absorption ◽  
Polyvinylidene Fluoride ◽  
Chemical Method ◽  
Wet Chemical Method ◽  
Absorption Properties ◽  
Flexible Film ◽  
Absorption Performance ◽  
Wet Chemical ◽  
Microwave Absorption Performance

By using a simple wet chemical method and hot-molding procedure, a kind of flexible film with enhance absorption properties based on binary cobalt nanochains/polyvinylidene fluoride (PVDF) hybrids has been successfully fabricated.

Flexible nanocomposites with enhanced microwave absorption properties based on Fe3O4/SiO2 nanorods and polyvinylidene fluoride

2015 ◽  
Vol 3 (23) ◽  
pp. 12197-12204 ◽  
Author(s):  
Xiaofang Liu ◽  
Yaxin Chen ◽  
Xinrui Cui ◽  
Min Zeng ◽  
Ronghai Yu ◽  
...  
Keyword(s):  
Microwave Absorption ◽  
Polyvinylidene Fluoride ◽  
Filler Content ◽  
Core Shell ◽  
Absorption Properties ◽  
Microwave Absorption Properties ◽  
Absorption Performance ◽  
Pvdf Matrix ◽  
Microwave Absorption Performance

Flexible Fe3O4/SiO2/PVDF nanocomposites are prepared by embedding porous Fe3O4/SiO2 core/shell nanorods in polyvinylidene fluoride (PVDF) matrix. The nanocomposite with filler content of 40 wt% shows excellent microwave absorption performance over 2−18 GHz.

Novel composites with a cross-linked polyaniline shell and oriented palygorskite as ideal microwave absorbers

2021 ◽  
Vol 45 (5) ◽  
pp. 2765-2774
Author(s):  
Sheng Wang ◽  
Wei Lian ◽  
Hengdong Ren ◽  
Jialin Ma ◽  
Yin Liu ◽  
...  
Keyword(s):  
Microwave Absorption ◽  
Shell Structure ◽  
Microwave Absorbers ◽  
Absorption Performance ◽  
Positive Effect ◽  
Microwave Absorption Performance

The obtained composites exhibit a cross-linked shell structure, which has a positive effect on the microwave absorption performance of the materials.

scholarly journals Preparation of Ni/C porous fibers derived from jute fibers for high-performance microwave absorption

RSC Advances ◽  
2020 ◽  
Vol 10 (60) ◽  
pp. 36644-36653
Author(s):  
Wanxi Li ◽  
Fang Guo ◽  
Xiaoqin Wei ◽  
Yien Du ◽  
Yongqiang Chen
Keyword(s):  
Microwave Absorption ◽  
High Performance ◽  
Jute Fibers ◽  
Absorption Performance ◽  
Porous Fibers ◽  
Microwave Absorption Performance

Ni/C porous fibers derived from jute fibers exhibited excellent microwave absorption performance.

scholarly journals Fabrication of PPy Nanosphere/rGO Composites via a Facile Self-Assembly Strategy for Durable Microwave Absorption

Polymers ◽  
2018 ◽  
Vol 10 (9) ◽  
pp. 998 ◽  
Author(s):  
Ying Wang ◽  
Yunchen Du ◽  
Bo Wu ◽  
Binhua Han ◽  
Shaoming Dong ◽  
...  
Keyword(s):  
Microwave Absorption ◽  
Self Assembly ◽  
High Performance ◽  
Chemical Reduction ◽  
Characteristic Impedance ◽  
Microwave Absorbers ◽  
Reduced Graphene ◽  
Magnetic Metal ◽  
Long Time ◽  
Absorption Performance

Traditional magnetic metal and alloy materials suffer from easy oxidation and high density, which hinders their practical application as high-performance microwave absorbers. Lightweight and durability have become new goals in the fabrication of the next generation of microwave absorbers. Herein, we report the synthesis of polypyrrole (PPy) nanosphere/reduced graphene oxide (rGO) composites through chemical reduction of self-assembly PPy nanosphere/GO hybrids. PPy nanospheres and GO are integrated effectively by π–π interaction of dual conjugated systems. When the mass ratio of PPy nanospheres to rGO is 0.6:1, the resultant composite, PPy/rGO-0.6, presents comparable/superior reflection loss characteristics to those magnetic metals and their related graphene-based composites in previous studies. Electromagnetic analysis reveals that well-matched characteristic impedance, multiple polarization loss, and good conductivity loss are, together, responsible for the excellent microwave absorption performance of PPy/rGO-0.6. More importantly, PPy/rGO-0.6 also exhibits good microwave absorption after being treated at 423 K for a long time. This work provides a new idea for designing and preparing a high-performance microwave absorber with lightweight and durable features.

Waxberry-like hierarchical Ni@C microspheres with high-performance microwave absorption

2019 ◽  
Vol 7 (17) ◽  
pp. 5037-5046 ◽  
Author(s):  
Dawei Liu ◽  
Yunchen Du ◽  
Ping Xu ◽  
Na Liu ◽  
Yahui Wang ◽  
...  
Keyword(s):  
Microwave Absorption ◽  
High Performance ◽  
Hierarchical Architecture ◽  
Core Shell ◽  
Absorption Performance ◽  
Microwave Absorption Performance

Hierarchical architecture and core–shell configuration synergistically endowed waxberry-like Ni@C microspheres with an upgraded microwave absorption performance.

scholarly journals Improved impedance matching by multi-componential metal-hybridized rGO toward high performance of microwave absorption

2021 ◽  
Vol 10 (1) ◽  
pp. 1-9
Author(s):  
Jinlong Xie ◽  
Hunan Jiang ◽  
Jinyang Li ◽  
Fei Huang ◽  
Ahsan Zaman ◽  
...  
Keyword(s):  
Microwave Absorption ◽  
High Performance ◽  
Impedance Matching ◽  
Design And Synthesis ◽  
Microwave Absorbing Materials ◽  
Reduced Graphene ◽  
Military Applications ◽  
Absorption Performance ◽  
Microwave Absorption Performance ◽  
Minimum Reflection Loss

Abstract Microwave-absorbing materials with good microwave absorption performance are of great interest for military applications and human health, which is threatened by electromagnetic radiation pollution. Herein, the design and synthesis of multi-componential metal-hybridized graphene composites via freeze drying and pyrolysis of ferrocene hydrazone complex precursor are reported. Various magnetic nanoparticles are loaded on reduced graphene oxide (rGO) via controlling their pyrolysis temperature. The complex electromagnetic parameters of these hybrids are therefore regulated by the hybrid components. Among them, rGO hybridized by the sea-island-like Fe2O3/Fe3O4/FeNi3 multi-componential metals shows a good balance of dielectric and magnetic constants. Thus, the improved impedance matching with free space brings about a superior electromagnetic wave absorption performance, especially on the effective absorption bandwidth. The minimum reflection loss (RL) of the hybrids is as low as −40.3 dB at 11 GHz with the RL bandwidth of −10 dB being 4.55 GHz (from 9.25 to 13.8 GHz).

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