A Multi-Scale Cross-Band Defense System Integrating Decoupled Visible,Dynamic Infrared Camouflage and Electromagnetic ShieldingOA
Cross-band camouflage technology is a critical necessity,enabling personnel and equipment to evade detection across evolving surveillance systems,thereby enhancing survivability and mission success.Herein,this work develops a layer-structured composite system based on carbon nanotube(CNT)film comprising ionic liquid(IL)interlayer for infrared(IR)modulation and surface-engineered Cu_(2)O nanoparticles for visible camouflage.The CNT/IL/CNT architecture enables reversible IR emissivity switching(Δε≈0.55)through electrically driven ion intercalation/deintercalation within 2 s,while spray-coated Cu_(2)O nanoparticles(100~400 nm diameter)on the top CNT film layer generate rich structure colors with 90%IR transmittance.This spectral-decoupling design overcomes the traditional trade-off between color visibility and IR transmittance observed in pigment-based systems.Remarkably,due to physical interface coupling,the Cu_(2)O-coated layer-structured system maintains exceptional electrical conductivity,enabling simultaneous electromagnetic interference shielding and electrothermal energy conversion.The integrated system demonstrates long-term operational stability.By unifying visible-IR camouflage,electromagnetic protection,and energy management in a lightweight platform,this work provides an important paradigm for cross-band camouflage technologies.
Junlin Liu;Shujuan Tan;Xinrui Yang;Jiajie Zhu;Xin Yan;Tianyu Chen;Guangbin Ji
College of Material Science and Technology,Nanjing University of Aeronautics and Astronautics,Nanjing 210016,People’s Republic of ChinaCollege of Material Science and Technology,Nanjing University of Aeronautics and Astronautics,Nanjing 210016,People’s Republic of ChinaCollege of Material Science and Technology,Nanjing University of Aeronautics and Astronautics,Nanjing 210016,People’s Republic of ChinaCollege of Material Science and Technology,Nanjing University of Aeronautics and Astronautics,Nanjing 210016,People’s Republic of ChinaCollege of Material Science and Technology,Nanjing University of Aeronautics and Astronautics,Nanjing 210016,People’s Republic of ChinaCollege of Material Science and Technology,Nanjing University of Aeronautics and Astronautics,Nanjing 210016,People’s Republic of ChinaCollege of Material Science and Technology,Nanjing University of Aeronautics and Astronautics,Nanjing 210016,People’s Republic of China
通用工业技术
Visible camouflageAdaptive IR camouflageCu_(2)O/CNT composite filmElectrothermal energy conversionEMI shielding
《Nano-Micro Letters》 2026 (4)
P.335-352,18
Financial support from the National Nature Science Foundation of China(No.:52373244)the Foundation of National Science and Technology Key Laboratory(No.:KZ571801)。
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