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Leaf-Inspired Multifunctional Paint for Full-Solar-Spectrum Hyperspectral Camouflage with Enhanced Weather-Resistance
Zhaoran Li1, Zizhen Huang1,2, Wei Li1
1Department of Thermal Science and Energy Engineering, University of Science and Technology of China, Hefei, P. R. China.
Small (Weinheim an Der Bergstrasse, Germany)
|January 8, 2026
Summary
Developing advanced camouflage paint is crucial for target survivability. This biomimetic paint effectively mimics vegetation
Area of Science:
- Materials Science
- Optics
- Biomimetics
Background:
- Hyperspectral detection relies on spectral differences to identify targets.
- Effective camouflage requires materials that mimic background spectral characteristics.
- Existing camouflage materials struggle with spectral accuracy, moisture stability, durability, and adhesion.
Purpose of the Study:
- To develop a novel hyperspectral camouflage paint inspired by plant leaves.
- To improve spectral similarity, moisture resistance, durability, and adhesion compared to existing materials.
Main Methods:
- Developed a paint using a fluorocarbon resin matrix with Cr2O3 particles, copper chlorophyllin microcapsules, and LiCl solution.
- Optimized component ratios using the Kubelka-Munk four-flux model.
- Evaluated spectral similarity, moisture characteristics, and adhesion.
Main Results:
- Achieved full-solar-spectrum (250-2500 nm) camouflage with spectral similarity > 0.95 to diverse leaves.
- Demonstrated excellent moisture stability (<3% change after 720h) and strong adhesion (150 psi on metal).
- The biomimetic paint exhibits enhanced hyperspectral camouflage capabilities.
Conclusions:
- The developed biomimetic paint offers superior hyperspectral camouflage performance.
- It integrates high spectral similarity, environmental durability, and strong adhesion.
- This technology significantly enhances target survivability in hyperspectral detection scenarios.
