材料科学
复合数
反射损耗
多孔性
微波食品加热
复合材料
微球
堆积
吸收(声学)
化学工程
计算机科学
核磁共振
电信
物理
工程类
作者
Yuhong Cui,Zihao Liu,Yunfei Zhang,Pei Liu,Mudasir Ahmad,Qiuyu Zhang,Baoliang Zhang
出处
期刊:Carbon
[Elsevier]
日期:2021-05-12
卷期号:181: 58-68
被引量:106
标识
DOI:10.1016/j.carbon.2021.05.022
摘要
In this paper, two dimensional Ti3C2Tx MXene nanosheets and one-dimensional Ni nanochains are successfully assembled into three dimensional porous MXene/Ni composite microspheres by ultrasonic spray. Their unique micro nano structure and well-designed three-dimensional porous interconnection network can significantly improve the stacking of Ti3C2Tx MXene nanosheets and the agglomeration of magnetic Ni nanochains. By changing the content of Ni nanochains,we can obtain MXene/Ni composite microspheres with different magnetic content. Due to the difference in conductivity between Ti3C2Tx MXene and Ni, as well as the newly generated hetero interface and abundant surface groups, MXene/Ni composite microspheres show good impedance matching and excellent electromagnetic wave absorption performance. The minimum reflection loss (RLmin) is −52.7 [email protected] GHz, and the corresponding matching thickness is only 1.9 mm. The preparation of MXene/Ni composite microspheres provides a simple and effective method for designing other MXene-based composite materials.
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