CONDENSED MATTER: ELECTRONIC STRUCTURE, ELECTRICAL, MAGNETIC, AND OPTICAL PROPERTIES |
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Synthesis and microwave absorption properties of graphene-oxide(GO)/polyaniline nanocomposite with gold nanoparticles |
Fu Chen (付晨), He Da-Wei (何大伟), WangYong-Sheng (王永生), Fu Ming (富鸣), Geng Xin (耿欣), Zhuo Zu-Liang (卓祖亮) |
Key Laboratory of Luminescence and Optical Information, Ministry of Education, Institute of Optoelectronic Technology, Beijing Jiaotong University, Beijing 100044, China |
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Abstract A composite of graphene/PANI/GAunano is synthesized using the co-blend method. The morphologies and microstructures of samples are examined by transition electron microscopy (TEM) and Fourier transform infrared spectroscopy (FTIR). Moreover, the microwave absorption properties of both graphene/PANI and GO/PANI/GAunano composites are investigated in a microwave frequency band from 1 GHz to 18 GHz. The maximum reflection loss (RL) of GO/PANI/GAunano with a thickness of 2 mm is up to-24.61 dB at 15.45 GHz, and the bandwidth corresponding to RL at-10 dB can reach 4.08 GHz (from 13.92 GHz to 18.00 GHz) for a 2-mm-thick layer. The electromagnetic data demonstrate that GO/PANI/GAunano can be used as an attractive candidate for microwave absorbers.
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Received: 15 November 2014
Revised: 08 March 2015
Accepted manuscript online:
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PACS:
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78.30.Jw
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(Organic compounds, polymers)
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Fund: Project supported by the National Basic Research Program of China (Grant Nos. 2011CB932700 and 2011CB932703), the National Natural Science Foundation of China (Grant Nos. 61335006, 61378073, and 61077044), and the Beijing Natural Science Fund (Grant No. 4132031). |
Corresponding Authors:
He Da-Wei, WangYong-Sheng
E-mail: dwhe@bjtu.edu.cn;yshwang@bjtu.edu.cn
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Cite this article:
Fu Chen (付晨), He Da-Wei (何大伟), WangYong-Sheng (王永生), Fu Ming (富鸣), Geng Xin (耿欣), Zhuo Zu-Liang (卓祖亮) Synthesis and microwave absorption properties of graphene-oxide(GO)/polyaniline nanocomposite with gold nanoparticles 2015 Chin. Phys. B 24 087801
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