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化工新型材料  2018, Vol. 46 Issue (3): 142-146    
  科学研究 本期目录 | 过刊浏览 | 高级检索 |
Ni/RGO复合材料的制备及其吸波性能的研究
白中义1,2, 郭晓琴1,2*, 赵彪1,2, 张锐1,2
1.郑州航空工业管理学院机电工程学院,郑州450046;
2.河南省航空材料与应用技术重点实验室,郑州450015
Preparation of Ni/RGO composite at room temperature and its excellent wave absorption property
Bai Zhongyi1,2, Guo Xiaoqin1,2, Zhao Biao1,2, Zhang Rui1,2
1.School of Mechatronics Engineering,Zhengzhou University of Aeronautics,Zhengzhou 450046;
2.Henan Key Laboratory of Aeronautical Materials and Application Technology,Zhengzhou 450015
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摘要 利用水热还原法在石墨烯(RGO)表面负载磁性金属Ni粒子,通过XRD、FT-IR、拉曼、SEM对其物相、形貌等进行表征分析。结果表明,通过水热原位还原法,直径约100nm的Ni粒子被均匀负载到RGO表面,成功制备了镍负载石墨烯(Ni/RGO)复合材料。利用矢量网络分析仪对其吸波性能进行检测,结果表明,样品1(0.25mmolNi负载RGO)表现出了优异的吸波性能,在吸波涂层厚度为4.5mm,吸波频率为7.2GHz时,最佳反射损耗为-55.9dB,其有效吸波宽度为5.8~9.2GHz。Ni/RGO复合材料是一种很有前途的具有低密度、强吸收、宽频带、厚度薄的微波吸收材料。
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白中义
郭晓琴
赵彪
张锐
关键词:  石墨烯  原位还原法  Ni/RGO复合材料    
Abstract: Ni nanoparticles anchored on the reduced graphene oxide (RGO) composite were prepared by the hydrothermal in-situ reduction method.The phase and morphology of Ni/RGO composite were analyzed by X-ray diffraction (XRD),Fourier transform infrared spectrometer (FT-IR),Raman spectroscopy and scanning electron microscopy (SEM).The results showed that Ni nanoparticles with the diameter of 100nm were uniformly wrapped by RGO,The electromagnetic wave absorption property of RGO and Ni/RGO composites were investigated by the vector network analyzer.The sample 1(0.25mmol Ni load graphene) showed an excellent wave absorbing property.The best reflection loss was -55.9dB at 7.2GHz and the corresponding thickness is 4.5mm and the effective absorption bandwidth was 5.8 to 9.2GHz.Ni/RGO may be a promising microwave absorber with the characteristics of the low density,strong absorption,wide band and thin thickness.
Key words:  graphene oxide    in-situ reduction method    Ni/RGO composite
收稿日期:  2016-05-11                出版日期:  2018-03-20      发布日期:  2018-04-09      期的出版日期:  2018-03-20
通讯作者:  郭晓琴。   
作者简介:  白中义(1989-),男,助教,从事电磁屏蔽与吸波材料研究。
引用本文:    
白中义, 郭晓琴, 赵彪, 张锐. Ni/RGO复合材料的制备及其吸波性能的研究[J]. 化工新型材料, 2018, 46(3): 142-146.
Bai Zhongyi, Guo Xiaoqin, Zhao Biao, Zhang Rui. Preparation of Ni/RGO composite at room temperature and its excellent wave absorption property. New Chemical Materials, 2018, 46(3): 142-146.
链接本文:  
https://www.hgxx.org/CN/  或          https://www.hgxx.org/CN/Y2018/V46/I3/142
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