Interfacial coupling effects in two-dimensional ordered arrays for microwave attenuation

Yijie Liu, Jintang Zhou (), Chenchen Li, Henghui Zhang, Yucheng Wang, Yi Yan, Lvtong Duan, Zhenyu Cheng, Yao Ma and Zhengjun Yao
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Yijie Liu: College of Materials Science and Technology; Key Laboratory of Material Preparation and Protection for Harsh Environment; Nanjing University of Aeronautics and Astronautics
Jintang Zhou: College of Materials Science and Technology; Key Laboratory of Material Preparation and Protection for Harsh Environment; Nanjing University of Aeronautics and Astronautics
Chenchen Li: The College of Mechanical and Electrical Engineering; Nanjing University of Aeronautics and Astronautics
Henghui Zhang: The College of Aerospace Engineering; Nanjing University of Aeronautics and Astronautics
Yucheng Wang: College of Materials Science and Technology; Key Laboratory of Material Preparation and Protection for Harsh Environment; Nanjing University of Aeronautics and Astronautics
Yi Yan: College of Materials Science and Technology; Key Laboratory of Material Preparation and Protection for Harsh Environment; Nanjing University of Aeronautics and Astronautics
Lvtong Duan: College of Materials Science and Technology; Key Laboratory of Material Preparation and Protection for Harsh Environment; Nanjing University of Aeronautics and Astronautics
Zhenyu Cheng: College of Materials Science and Technology; Key Laboratory of Material Preparation and Protection for Harsh Environment; Nanjing University of Aeronautics and Astronautics
Yao Ma: Army Engineering University
Zhengjun Yao: College of Materials Science and Technology; Key Laboratory of Material Preparation and Protection for Harsh Environment; Nanjing University of Aeronautics and Astronautics

Nature Communications, 2025, vol. 16, issue 1, 1-11

Abstract: Abstract With the development of nanotechnology, nano-functional units of different dimensions, morphologies, and sizes exhibit the potential for efficient microwave absorption (MA) performance. However, the multi-unit coupling enhancement mechanism triggered by the alignment and orientation of nano-functional units has been neglected, hindering the further development of microwave absorbing materials (MAMs). In this paper, two typical ZIF-derived nanomaterials are self-assembled into two-dimensional ordered polyhedral superstructures by the simple ice template method. The nano-functional units exhibit distinctive dielectric-sensitive behaviors after self-assembling into two-dimensional ordered arrays. The modified 2D ordered polyhedral superstructures not only inherit the atomic-level doping and well-designed shell structure, but also further amplify the loss properties to realize the multi-scale modulated MA response. Satisfactory MA performance in C, X and Ku bands is finally achieved. In particular, the ultra-broadband microwave absorption bandwidth (EAB) of 6.41 GHz is realized at 1.82 mm thickness. Our work demonstrates the two-dimensional ordered array-induced multiscale polarization behavior, providing a direction to fully utilize the potential of wave-absorbing functional units.

Date: 2025
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DOI: 10.1038/s41467-024-55776-9

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