Janus Nanostructures Enabled by Confined Interfacial Engineering for Enhanced Electromagnetic Response
6 affiliations
- 1School of Materials Science and Engineering Zhengzhou University of Aeronautics Zhengzhou P. R. China
- 2School of Materials Science and Engineering Zhengzhou University Zhengzhou P. R. China
- 3State Key Laboratory of Engineering Materials For Major Infrastructure School of Materials Science and Engineering Southeast University Nanjing P. R. China
- 4Institute of Advanced Ceramics Henan Academy of Sciences Zhengzhou P. R. China
- 5Department of Astronautical Science and Mechanics Harbin Institute of Technology Harbin P. R. China
- 6Hangzhou Yanqu Information Technology Co., Ltd Hangzhou P. R. China
Abstract
Regulating electromagnetic responses through interfacial design has attracted increasing attention, while the precise construction and mechanism understanding of asymmetric nano‐interfaces remain largely unexplored, particularly at the nanoscale. Herein, taking a representative carbon‐based microwave absorber as a model system, we develop a confined diffusion‐mediated interfacial engineering strategy to construct SiC@C Janus hollow nanostructures with well‐defined asymmetric nano‐interfaces, enabling the coordinated regulation of interfacial configuration and electromagnetic functionality. At an ultralow filler loading of 10 wt.%, the optimized composite achieves a minimum reflection loss of ‐62.36 dB, an effective absorption bandwidth of 7.82 GHz, together with a pronounced radar cross section reduction. Combined theoretical analysis, electromagnetic simulations, and multiscale characterizations reveal that the asymmetric Janus nano‐interfaces promote improved impedance matching via refined dielectric modulation. Meanwhile, the coupling of the hollow architecture with heterogeneous interfaces induces multiple reflections, scattering, and interfacial polarization, thereby synergistically enhancing electromagnetic energy dissipation. This work provides nanoscale insights into the electromagnetic modulation mechanism governed by asymmetric Janus interfaces and establishes a general paradigm of confined interfacial engineering, offering new theoretical guidance and structural design strategies for next‐generation high‐performance electromagnetic protection materials.
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BibTeX
@article{song2026janus,
title = {{Janus Nanostructures Enabled by Confined Interfacial Engineering for Enhanced Electromagnetic Response}},
author = {Limeng Song and Cheng Song and Feiyue Hu and Yongqiang Chen and Linan Wang and Huagao Wang and Li Guan and Duo Chen and Kesong Yu and Yabo Huang and Shihao Jia and Xin Xu and Qiancheng Gao and Dou Zhang and Hailong Wang and Haijiao Xie and Rui Zhang and Bingbing Fan},
journal = {Advanced Science},
year = {2026},
month = aug,
doi = {10.1002/advs.77021},
url = {https://doi.org/10.1002/advs.77021},
note = {CC BY 4.0},
}
RIS
TY - JOUR
TI - Janus Nanostructures Enabled by Confined Interfacial Engineering for Enhanced Electromagnetic Response
AU - Limeng Song
AU - Cheng Song
AU - Feiyue Hu
AU - Yongqiang Chen
AU - Linan Wang
AU - Huagao Wang
AU - Li Guan
AU - Duo Chen
AU - Kesong Yu
AU - Yabo Huang
AU - Shihao Jia
AU - Xin Xu
AU - Qiancheng Gao
AU - Dou Zhang
AU - Hailong Wang
AU - Haijiao Xie
AU - Rui Zhang
AU - Bingbing Fan
PY - 2026
DA - 2026/08/06
JO - Advanced Science
DO - 10.1002/advs.77021
UR - https://doi.org/10.1002/advs.77021
AB - Regulating electromagnetic responses through interfacial design has attracted increasing attention, while the precise construction and mechanism understanding of asymmetric nano‐interfaces remain largely unexplored, particularly at the nanoscale. Herein, taking a representative carbon‐based microwave absorber as a model system, we develop a confined diffusion‐mediated interfacial engineering strategy to construct SiC@C Janus hollow nanostructures with well‐defined asymmetric nano‐interfaces, enabling the coordinated regulation of interfacial configuration and electromagnetic functionality. At an ultralow filler loading of 10 wt.%, the optimized composite achieves a minimum reflection loss of ‐62.36 dB, an effective absorption bandwidth of 7.82 GHz, together with a pronounced radar cross section reduction. Combined theoretical analysis, electromagnetic simulations, and multiscale characterizations reveal that the asymmetric Janus nano‐interfaces promote improved impedance matching via refined dielectric modulation. Meanwhile, the coupling of the hollow architecture with heterogeneous interfaces induces multiple reflections, scattering, and interfacial polarization, thereby synergistically enhancing electromagnetic energy dissipation. This work provides nanoscale insights into the electromagnetic modulation mechanism governed by asymmetric Janus interfaces and establishes a general paradigm of confined interfacial engineering, offering new theoretical guidance and structural design strategies for next‐generation high‐performance electromagnetic protection materials.
SN - 2198-3844
ER -