反射损耗
材料科学
微波食品加热
吸收(声学)
热液循环
纺纱
光电子学
带宽(计算)
电磁辐射
碳纤维
阻抗匹配
复合材料
光学
计算机科学
化学工程
电信
电阻抗
电气工程
物理
复合数
工程类
作者
Xiaopeng Han,Ying Huang,Jiaming Wang,Xianping Du,Liang Hu,Tiehu Li,Xu Sun
标识
DOI:10.1016/j.compositesb.2022.109965
摘要
Hierarchical structural design has been proved to be a new strategy for fabricating high-performance microwave absorbers, so some researchers use low–dimensional components to construct continuous networks for better performance. In this work, the novel hierarchical carbon [email protected]–[email protected]2 film with tunable and efficient electromagnetic wave (EMW) absorption performance was obtained by the electrostatic spinning of ZIF–67 in the interior of carbon fibers and subsequent hydrothermal of MoS2. By the synergistic effects from the ZIF–67 particles increasing the magnetic loss and MoS2 at the outer layer improving the impendence matching, the absorption property of CPZM–1 could be summarized as follow: the optimal reflection loss(RL) was −72.7 dB with a thickness of 2.6 mm at 10.0 GHz and the corresponding effective absorption bandwidth (EAB) of 9.8 GHz covered whole X and Ku band. Moreover, by adjusting the load of ZIF–67, CPZM–5 achieved the maximum EAB of 12.5 GHz.
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