采用化学镀的方法在还原氧化石墨烯(RGO)表面均匀沉积金属镍纳米颗粒,通过调节镍前驱体浓度获得三种不同镍含量的Ni-RGO新型电磁吸波材料.通过透射电镜和X射线衍射分析对Ni-RGO的表面形态及晶体结构进行了研究,电磁参数测试结果显示Ni-RGO的介电常数达8以上,比氧化石墨烯提高近三倍;反射率计算结果表明镍前驱体浓度最低的Ni-RGO-1的电磁吸波性能最佳,当厚度为2mm时,其最大反射率可达-24.5dB.
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