Dual-loss Ti3C2Tx MXene/Ni0.6Zn0.4Fe2O4 heterogeneous nanocomposites for highly efficient electromagnetic wave absorption
Dual-loss Ti3C2Tx MXene/Ni0.6Zn0.4Fe2O4 heterogeneous nanocomposites for highly efficient electromagnetic wave absorption
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DOI：
10.1016/j.jallcom.2021.161298
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发表时间：
2021-12
影响因子：
6.2
通讯作者：
Siyao Guo;Guan Hailong;Ying Li;Y. Bao;Dongyi Lei;Tiejun Zhao;Baomin Zhong;Zhihong Li
中科院分区：
文献类型：
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作者：
Siyao Guo;Guan Hailong;Ying Li;Y. Bao;Dongyi Lei;Tiejun Zhao;Baomin Zhong;Zhihong Li
随着无线通信技术的飞速发展，军用和民用领域都迫切需要高效的电磁波吸收材料。然而，如何将联合收割机磁损耗和介电损耗材料有效地结合以实现高效的EMA效率仍然是一个挑战。本文通过直接原位水热法将磁性NZFO纳米颗粒掺入MXene表面和层间，成功合成了双损耗Ti 3C 2 TxMXene/Ni0.6Zn0.4Fe2O4（MXene/NZFO）异质纳米复合材料。MXene/NZFO非均相纳米复合材料具有优异的电磁波衰减性能，这主要归因于阻抗匹配、磁-介电协同效应、界面极化和传输路径的增加。特别是优化后的MXene/NZFO-2异质纳米复合材料具有优异的微波吸收性能，在15.2 GHz处的最大反射损耗（RL）高达-66.2 dB，有效吸收带宽为4.74 GHz，厚度仅为1.609 mm。因此，本文的工作为设计和构造具有多重损耗的电磁阀候选器件提供了新的思路，有利于解决电磁污染问题。
With the boosting development of wireless communication, highly efficient electromagnetic wave absorption (EMA) materials are urgently need in military and civilian fields. However, how to combine magnetic loss and dielectric loss materials effectively to achieve highly efficient EMA efficiency remains a challenge. Herein, dual-loss Ti3C2TxMXene/Ni0.6Zn0.4Fe2O4(MXene/NZFO) heterogeneous nanocomposites were successfully synthesized by incorporation of magnetic NZFO nanoparticles onto the surface and between the layers of MXene via a straightforward in-situ hydrothermal method. The MXene/NZFO heterogeneous nanocomposites hold outstanding electromagnetic wave attenuation ability, which can be attribute to the impedance matching, magnetic-dielectric synergy effect, more interfaces polarization and increased transmission paths. In particular, the optimized MXene/NZFO-2 heterogeneous nanocomposites exhibit an excellent microwave absorption performance that the maximum reflection loss (RL) reaches up to −66.2 dB at 15.2 GHz and an effective absorbing bandwidth of 4.74 GHz with the thickness of only 1.609 mm. Therefore, this work provides a new insight to design and construct excellent EMA candidates with multiple loss, which be favorable to solve electromagnetic pollution problems.