Electromagnetic shielding properties of graphene oxide/polypyrrole coated cotton fabric with layer-by-layer assembling method

被引：0
|
作者：
Zou L. [1 ]
Yang L. [1 ]
Lan C. [2 ]
Ruan F. [1 ]
Xu Z. [1 ]
机构：
[1] Anhui Province International Cooperation Research Center of Textile Structure Composite Materials, Anhui Polytechnic University, Wuhu
[2] School of Textile Science and Engineering, Jiangnan University, Wuxi
来源：
Fangzhi Xuebao/Journal of Textile Research | 2021年 / 42卷 / 12期
关键词：
Assembled layer; Cationic treatment; Conductive mesh; Cotton fabric; Electromagnetic shielding fabric; Graphene oxide; Layer-by-layer assembly method; Polypyrrole;
D O I：
10.13475/j.fzxb.20201106008
中图分类号：
学科分类号：
摘要：
To study the influence of deposition of graphene oxide (GO)/polypyrrole (PPy) and their concentrations on electromagnetic shielding property of coated fabric, and obtain highly efficient wave-absorbing electromagnetic shielding properties, GO/PPy functional film was constructed on a cotton fabric using layer-by-layer assembling method.The GO/PPy coated fabric structure was characterized by Fourier infrared spectrometer and scanning electron microscope, and the electrical conductivity and electromagnetic shielding properties of the fabric were tested by multimeter and vector network analyzer.The results show that the cationic treatment of the fabric is beneficial for the deposition of GO and PPy. It was found that optimal GO concentration (0.4 g/L) is beneficial to improve the electromagnetic shielding effectiveness of the fabric, and that with the increase of the number of assembled layers, the electromagnetic shielding efficiency of the coated fabric increases. In particular, when the number of assembled layers was 20, the electromagnetic shielding efficiency of the fabric reached 39.2 dB, which can shield 99.98% of the electromagnetic energy. The absorptivity of electromagnetic wave is always more than 50%. The main shielding mechanism is absorption, followed by reflection. © 2021, Periodical Agency of Journal of Textile Research. All right reserved.
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页码：111 / 118
页数：7
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