载量不敏感负介电超复合材料的仿生设计及电磁屏蔽

引用本文: 张星, 王寒迎, 郝艳玲, 屈云鹏, 汪西慧, 蒋文鱼, 李海丰, 邓淳元, 祁小四. 载量不敏感负介电超复合材料的仿生设计及电磁屏蔽[J]. 物理化学学报, 2026, 42(9): 100326. doi: 10.1016/j.actphy.2026.100326 shu

Citation: Xing Zhang, Hanying Wang, Yanling Hao, Yunpeng Qu, Xihui Wang, Wenyu Jiang, Haifeng Li, Chunyuan Deng, Xiaosi Qi. Peanut biomimetic functional phases-engineered metacomposites with loading-insensitive epsilon-negative response for electromagnetic shielding[J]. Acta Physico-Chimica Sinica, 2026, 42(9): 100326. doi: 10.1016/j.actphy.2026.100326 shu

载量不敏感负介电超复合材料的仿生设计及电磁屏蔽

张星 ^1, ,
王寒迎 ^2, ,
郝艳玲 ^1, ,
屈云鹏 ^{3,
,} ,
汪西慧 ^3, ,
蒋文鱼 ^3, ,
李海丰 ^4, ,
邓淳元 ^{5,
,} ,
祁小四 ^{3,
,}

1.
兴义民族师范学院黔西南州微纳功能材料重点实验室, 贵州兴义 562400
2.
桂林航天工业学院广西壮族自治区贵金属新材料先进流程制造工程研究中心, 广西桂林 541004
3.
贵州大学物理学院, 贵州贵阳 550025
4.
湖北汽车工业学院汽车材料学院, 湖北十堰 442002
5.
桂林电子科技大学电子工程与自动化学院, 广西桂林 541004

通讯作者: Email: ypqu@gzu.edu.cn (屈云鹏); dcy0606dcy@guet.edu.cn (邓淳元); xsqi@gzu.edu.cn (祁小四)

摘要: 超复合材料对组分与逾渗结构的高度依赖性导致其负电磁参数的调控幅度过大。本研究基于类花生仿生结构，通过静电纺丝工艺设计合成了一种FeCo@C功能相，并将其与导电聚苯胺(PANI)复合构筑了一组含量梯度的超复合材料。这些超复合材料在10 kHz–50 MHz频段成功实现了极弱负介电负响应(-100 < ε' < 0)。得益于这种碳包覆金属的花生衍生结构，金属的高等离子体振荡强度被有效限制。该材料的填充不敏感性表现为：当FeCo@C含量从2 wt%增加至12 wt%时，全频段负介电频谱基本保持不变。复合材料的多级界面还将电子-空穴双载流子传导与共轭PANI的链内电子跃迁、链间载流子输运相连接，共同构建三维导电网络。相应地，其损耗角正切值(tanδ < 0.2)较金属基超复合材料也显著降低。进一步的阻抗分析揭示了FeCo@C/PANI负介电超复合材料的本征电感特性。最后，我们通过电磁仿真验证了该磁性超复合材料的电磁波散射能力，并探索了其在隐身器件、抗电磁干扰和敏感天线中的应用。

关键词:

English

Peanut biomimetic functional phases-engineered metacomposites with loading-insensitive epsilon-negative response for electromagnetic shielding

Xing Zhang ^1, ,
Hanying Wang ^2, ,
Yanling Hao ^1, ,
Yunpeng Qu ^{3,
,} ,
Xihui Wang ^3, ,
Wenyu Jiang ^3, ,
Haifeng Li ^4, ,
Chunyuan Deng ^{5,
,} ,
Xiaosi Qi ^{3,
,}

1.
Key Laboratory for Micro-Nano Functional Materials of Qianxinan, Minzu Normal University of Xingyi, Xingyi 562400, Guizhou Province, China
2.
Guangxi Region Precious Metal Materials Advanced Process Research Center, Guilin University of Aerospace Technology, Guilin 541004, Guangxi Zhuang Autonomous Region, China
3.
College of Physics, Guizhou University, Guiyang 550025, Guizhou Province, China
4.
School of Automotive Materials, Hubei University of Automotive Technology, Shiyan 442002, Hubei Province, China
5.
School of Electronic Engineering and Automation, Guilin University of Electronic Technology, Guilin 541004, Guangxi Zhuang Autonomous Region, China

Corresponding author: Email: ypqu@gzu.edu.cn (Yunpeng Qu); dcy0606dcy@guet.edu.cn (Chunyuan Deng); xsqi@gzu.edu.cn (Xiaosi Qi)

Received Date: 25 March 2026
Accepted Date: 15 May 2026
Revised Date: 11 May 2026
Available Online: 15 September 2026

Abstract: Metacomposites' high dependence on components and percolation structures leads to an overly large regulation amplitude of negative electromagnetic (EM) parameters. This work designed a FeCo@C functional phase synthesized by electrospinning process based on a biomimetic structure similar to peanuts, and combined it with conductive polyaniline (PANI) to form a set of content gradient metacomposites. These metacomposites have successfully achieved an extremely weak epsilon-negative response (-100 < ε' < 0) in the whole 10 kHz–50 MHz frequency band. Thanks to this peanut-like derived structure of carbon-coated metal, the high plasmonic oscillation intensity of the metal is effectively limited. The filling insensitivity of these metacomposites is manifested as the epsilon-negative spectra remaining basically unchanged throughout the entire frequency band with adjusting FeCo@C content from 2 wt% to 12 wt%. The metacomposites' multi-level interfaces also connect the electron-hole double carrier conductance and the intra-chain electron jumps and inter-chain carrier transitions of the conjugated PANI to jointly construct a three-dimensional conductive network. Correspondingly, their loss tangent angles (tanδ < 0.2) are also significantly reduced compared to metal-matrix metacomposites. Further impedance analysis revealed the intrinsic inductance of the epsilon-negative FeCo@C/PANI metacomposites. Finally, we conducted EM simulation on the scattering ability of EM waves of this magnetic metacomposites and explored its applications in stealth devices, anti-EM interference, and sensitive antennas.

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沈阳化工大学材料科学与工程学院沈阳 110142

载量不敏感负介电超复合材料的仿生设计及电磁屏蔽

通讯作者: Email: ypqu@gzu.edu.cn (屈云鹏); dcy0606dcy@guet.edu.cn (邓淳元); xsqi@gzu.edu.cn (祁小四)

English

Peanut biomimetic functional phases-engineered metacomposites with loading-insensitive epsilon-negative response for electromagnetic shielding

Corresponding author: Email: ypqu@gzu.edu.cn (Yunpeng Qu); dcy0606dcy@guet.edu.cn (Chunyuan Deng); xsqi@gzu.edu.cn (Xiaosi Qi)

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通讯作者: 陈斌, bchen63@163.com

中国化学会秘书处

载量不敏感负介电超复合材料的仿生设计及电磁屏蔽

通讯作者: Email: ypqu@gzu.edu.cn (屈云鹏); dcy0606dcy@guet.edu.cn (邓淳元); xsqi@gzu.edu.cn (祁小四)

English

Peanut biomimetic functional phases-engineered metacomposites with loading-insensitive epsilon-negative response for electromagnetic shielding

Corresponding author: Email: ypqu@gzu.edu.cn (Yunpeng Qu); dcy0606dcy@guet.edu.cn (Chunyuan Deng); xsqi@gzu.edu.cn (Xiaosi Qi)

CCS Chemistry：嵌段共聚物自组装成 “三明治”二维有机材料，实现纳米级压力传感功能

CCS Chemistry：颜徐州、鲍哲南： 你的皮肤可能是一片SPMs

CCS Chemistry：工作高效不疲劳，只须让催化剂动起来

CCS Chemistry：静电组装导向聚合- 聚电解质纳米凝胶量化制备新策略

CCS Chemistry：金黄色葡萄球菌醛基脱氢酶是如何识别特异性底物的？

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