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3 October 2022 Thermal radiation engineering with MXene based selective emission for thermal camouflage
Changhoon Park, Jisung Kwon, Chong M. Koo, Hyerim Kim, Myung-Ki Kim
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Proceedings Volume PC12200, Low-Dimensional Materials and Devices 2022; PC122000C (2022) https://doi.org/10.1117/12.2632692
Event: SPIE Nanoscience + Engineering, 2022, San Diego, California, United States
Abstract
Thermal camouflage enables the object to be invisible from infrared detection system, by assimilating their thermal radiation (TR) signal into surroundings. While extremely low TR is required for thermal camouflage of a high temperature object, proposed materials is still limited in engineering emissivity, not controlling surface temperature for TR suppression. Here, we propose a titanium carbide (MXene) based selective emitter (SE) for suppression of TR. With reducing thermal conductivity of MXene, designed SE exhibits low surface temperature even for a few micron thickness. Additionally, with interference effects in multilayer systems, designed SE show radiative cooling effects for additional TR reduction.
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Changhoon Park, Jisung Kwon, Chong M. Koo, Hyerim Kim, and Myung-Ki Kim "Thermal radiation engineering with MXene based selective emission for thermal camouflage", Proc. SPIE PC12200, Low-Dimensional Materials and Devices 2022, PC122000C (3 October 2022); https://doi.org/10.1117/12.2632692
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KEYWORDS
Camouflage
Infrared detectors
Thermal engineering
Infrared cameras
Thermography
Dielectrics
Infrared radiation
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