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Zwitterion-enhanced polarization loss in Magnetic ionic liquid/CNT composite gel for broadband electromagnetic wave absorption
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Chenjian Lia, Wenlai Xiab, Dangfeng Zhoua, Gang Lua, Hongmei Qinb, Shixian Zhangc, Xueliang Jianga, *, Chuanxi Xiongb, **
Progress in Natural Science: Materials International | 2026, 36(1) : 175 - 186
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Progress in Natural Science: Materials International | 2026, 36(1): 175-186
• Research Article •
Zwitterion-enhanced polarization loss in Magnetic ionic liquid/CNT composite gel for broadband electromagnetic wave absorption
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Chenjian Lia, Wenlai Xiab, Dangfeng Zhoua, Gang Lua, Hongmei Qinb, Shixian Zhangc, Xueliang Jianga, *, Chuanxi Xiongb, **
Affiliations
  • aHubei Key Laboratory of Plasma Chemistry and Advanced Materials, School of Materials Science and Engineering, Wuhan Institute of Technology, Wuhan, 430205, China
  • bState Key Laboratory of Silicate Materials for Architectures, School of Materials Science and Engineering, Wuhan University of Technology, 430070, Wuhan, China
  • cDepartment of Materials Science and Engineering, The Pennsylvania State University, PA, USA
Published: 2026-02-22 doi: 10.1016/j.pnsc.2026.01.005
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The composites composed of Carbon nanotube (CNT) and inorganic magnetic materials are candidates for broadband electromagnetic wave (EMW) absorbing materials (EWAM). However, poor interfacial compatibility between CNT and inorganic magnetic materials limits the enhancement of broadband EMW absorption performance. Herein, this study innovatively prepared the organic magnetic ionic liquid (MIL) with a zwitterionic structure and combined it with CNT to obtain the "Magnetic ionic liquid/CNT composite gel" (MIL/CNT). In the MIL/CNT, the energy of EMW is well attenuated through the multi-EMW dissipating routes, such as conductance loss, polarization loss and magnetic loss. Remarkably, attributed to the zwitterionic structure, the stronger ionic dipole polarization loss has been induced to dissipate the EMW, which achieved an effective absorption band (EAB) of 7.5 GHz (9.44-16.94 GHz) and minimum reflection loss (RLmin) of -46 dB with 2.1 mm thickness at 15.8 GHz. The MIL/CNT composite demonstrated excellent broadband electromagnetic wave absorption, offering a novel strategy for fabricating EMW defense materials with a wide operational frequency range.

Carbon nanotube  /  Effective absorption band  /  Impedance match  /  Magnetic ionic liquid  /  Zwitterion
Chenjian Li, Wenlai Xia, Dangfeng Zhou, Gang Lu, Hongmei Qin, Shixian Zhang, Xueliang Jiang, Chuanxi Xiong. Zwitterion-enhanced polarization loss in Magnetic ionic liquid/CNT composite gel for broadband electromagnetic wave absorption[J]. Progress in Natural Science: Materials International, 2026 , 36 (1) : 175 -186 . DOI: 10.1016/j.pnsc.2026.01.005
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  • National Natural Science Foundation of China(51673154)
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Year 2026 volume 36 Issue 1
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Article Info
doi: 10.1016/j.pnsc.2026.01.005
  • Receive Date：2025-10-14
  • Online Date：2026-06-03
  • Published：2026-02-22
Article Data
Affiliations
History
  • Received：2025-10-14
  • Revised：2026-01-07
  • Accepted：2026-01-15
Funding
National Natural Science Foundation of China(51673154)
Affiliations
    aHubei Key Laboratory of Plasma Chemistry and Advanced Materials, School of Materials Science and Engineering, Wuhan Institute of Technology, Wuhan, 430205, China
    bState Key Laboratory of Silicate Materials for Architectures, School of Materials Science and Engineering, Wuhan University of Technology, 430070, Wuhan, China
    cDepartment of Materials Science and Engineering, The Pennsylvania State University, PA, USA

Corresponding:

* No. 206, Guanggu 1st Road, Wuhan, 430205, China. E-mail addresses: (X. Jiang)
** No. 205, Luoshi Road, Wuhan, 430070, Hubei, China. E-mail addresses: (C. Xiong).
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表12种不同金属材料的力学参数
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Number of
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Number of
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鹅膏菌科Amanitaceae 2 11 5.26 鹅膏菌属 Amanita 10 4.78
小菇科 Mycenaceae 2 12 5.74 丝盖伞属 Inocybe 5 2.39
多孔菌科 Polyporaceae 8 14 6.70 蜡蘑属 Laccaria 5 2.39
红菇科 Russulaceae 3 23 11.00 小皮伞属 Marasmius 6 2.87
小菇属 Mycena 11 5.26
光柄菇属 Pluteus 5 2.39
红菇属 Russula 17 8.13
栓菌属 Trametes 5 2.39
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