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Infrared thermochromic antenna composite for self-adaptive thermoregulation

Engineering and Technology

Infrared thermochromic antenna composite for self-adaptive thermoregulation

F. V. Ramirez-cuevas, K. L. Gurunatha, et al.

This groundbreaking research, conducted by Francisco V. Ramirez-Cuevas and colleagues, unveils innovative infrared dipole antennas crafted from tunable thermochromic materials for self-adaptive thermoregulation. The team demonstrates how non-spherical antennas made of vanadium dioxide significantly enhance absorption with temperature changes, paving the way for advanced heat management solutions in radiative cooling and thermal camouflage.

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Playback language: English
Abstract
This paper introduces infrared dipole antennas made of tunable thermochromic materials for self-adaptive thermoregulation. Non-spherical antennas (rods, stars, and flakes) made of vanadium dioxide exhibit a massive increase in absorption cross-section with rising temperature. Embedding these antennas in polymer films creates free-form thermoregulation composites with outstanding emissivity switching. This research enables versatile self-adaptive heat management solutions applicable in radiative cooling, heat sensing, and thermal camouflage.
Publisher
Nature Communications
Published On
Oct 22, 2024
Authors
Francisco V. Ramirez-Cuevas, Kargal L. Gurunatha, Lingxi Li, Usama Zulfiqar, Sanjayan Sathasivam, Manish K. Tiwari, Ivan P. Parkin, Ioannis Papakonstantinou
Tags
thermochromic materials
infrared dipole antennas
self-adaptive thermoregulation
vanadium dioxide
heat management
emissivity switching
radiative cooling

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