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Structure and Microwave Absorption Properties of Polyaniline/Zn Ferrite Composites

Honglong Xing

http://orcid.org/0000-0001-8320-0427

School of Chemical Engineering, Anhui University of Science and Technology, Huainan, Anhui Province 232001, P. R. China

E-mail Address: austxhl@163.com

Corresponding author.

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Ye Liu

School of Chemical Engineering, Anhui University of Science and Technology, Huainan, Anhui Province 232001, P. R. China

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Zhenfeng Liu

School of Chemical Engineering, Anhui University of Science and Technology, Huainan, Anhui Province 232001, P. R. China

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Huan Wang

School of Chemical Engineering, Anhui University of Science and Technology, Huainan, Anhui Province 232001, P. R. China

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, and

Hanxiao Jia

School of Chemical Engineering, Anhui University of Science and Technology, Huainan, Anhui Province 232001, P. R. China

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https://doi.org/10.1142/S1793292018501059Cited by:12 (Source: Crossref)

Abstract

Polyaniline (PANI)/Zn ferrite composites were fabricated by simple two-step method. The crystal phase, particle size, morphology, thermal stability and conductivity were characterized. Electromagnetic parameters of PANI/Zn ferrite composites were measured at room temperature in the frequency of 2–18GHz. The prepared composite had an amorphous fluffy structure, Zn ferrite nanoparticles with diameters ranging from 20nm to 30nm are encapsulated in PANI or on PANI surface, and the thermal stability of the composite is poor. But Zn ferrite content plays a key role in influencing this structure and regulating microwave attenuation capability. The PANI/Zn ferrite composites showed an enhanced microwave absorption performance in Ku band at thin coating thickness which corresponds to RL value below $- 10$ $- 10$ dB and the minimum reflection loss (RL) is $- 54.4$ $- 54.4$ dB at 17.6GHz with the coating thickness of 1.4mm.

Keywords:

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