Preparation and electromagnetic wave absorption of RGO/Cu nanocomposite


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Abstract

We use a facile pyrolysis method to prepare reduced graphene oxide and copper nanocomposite (RGO/Cu) based on it. The product shows an outstanding wave absorption properties. The maximum reflection loss is up to–50.7 dB at 3.8 GHz. The reflection loss of–10 dB (90% power absorption) corresponds to a bandwidth of 11.2 GHz (3.4–14.6 GHz range) for the layer thickness of 2–5 mm. Therefore, it is suggested that the RGO/Cu nanocomposite is also a new kind of lightweight and high-performance EM wave absorbing material.

About the authors

Hui Zhang

School of Physics and Materials Science

Author for correspondence.
Email: zhhui@ahu.edu.cn
China, Hefei, 230601

Xingyou Tian

Key Laboratory of Materials Physics, Institute of Solid State Physics

Email: zhhui@ahu.edu.cn
China, Hefei, 230031

Xian Zhang

Key Laboratory of Materials Physics, Institute of Solid State Physics

Email: zhhui@ahu.edu.cn
China, Hefei, 230031

Shikuo Li

School of Chemistry and Chemical Engineering

Email: zhhui@ahu.edu.cn
China, Hefei, 230601

Yuhua Shen

School of Chemistry and Chemical Engineering

Email: zhhui@ahu.edu.cn
China, Hefei, 230601

Anjian Xie

School of Chemistry and Chemical Engineering

Email: zhhui@ahu.edu.cn
China, Hefei, 230601


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