Structural Colors Go Active

Advanced Science, Journal Year: 2025, Volume and Issue: unknown

Published: Feb. 4, 2025

Abstract Structural colors find wide applications for color printing, intelligent display, filtering imaging, etc., owing to their benefits, including high resolution, stable properties, and dynamic tunability. This review first illustrates the mechanisms of structural generation, such as surface plasmon resonances, localized Fabry‐Perot Mie etc. It then proposes recent technological strategies employed realize colors. The integration with functional materials like phase‐change, along development control microfluidic chips, micro‐electro‐mechanical system drivers, microheaters, represents key approaches spectrum regulation. Furthermore, assesses performance, advantages, limitations various technologies Finally, this concluded a section on future challenges prospects in large‐area fabrication, practical applications, performance improvement. explains current typical smart windows, adaptive camouflage, sensors, explores processing methods that can achieve large‐area, high‐fidelity preparation colors, nanoimprint, deep ultraviolet lithography, immersion laser field promises advancements high‐density data storage, information encryption, broader market applications.

Language: Английский

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Emerging Trends in Bioinspired Superhydrophobic and Superoleophobic Sustainable Surfaces

Advanced Materials, Journal Year: 2025, Volume and Issue: unknown

Published: Feb. 18, 2025

Abstract Inspired by nature's ability to master materials for performance and sustainability, biomimicry has enabled the creation of bioinspired structural color, superadhesion, hydrophobicity hydrophilicity, among many others. This review summarizes emerging trends in novel sustainable fluorocarbon‐free designs creating superhydrophobic superoleophobic surfaces. It discusses methods, challenges, future directions, alongside impact computational modeling artificial intelligence accelerating experimental development more surface materials. While significant progress is made materials, surfaces remain a challenge. However, bioinspiration techniques supported platforms are paving way new renewable biodegradable repellent that meet environmental standards without sacrificing performance. Nevertheless, despite concerns, policies, several still continue apply fluorination other environmentally harmful achieve required standard repellency. As discussed this critical review, paradigm integrates advanced characterization, nanotechnology, additive manufacturing, modeling, coming, generate with tailored superhydrophobicity superoleophobicity while adhering standards.

Language: Английский

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Optimization on Structure and Process Parameters of Stretchable Photonic Crystal Based on Polychromatic Sets for Mechanochromism

Published: Jan. 1, 2025

Language: Английский

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Integrated Multispectral Modulator with Efficient Radiative Cooling for Innovative Thermal Camouflage

Advanced Functional Materials, Journal Year: 2025, Volume and Issue: unknown

Published: Feb. 28, 2025

Abstract Thermal camouflage technology offers critical countermeasures against infrared detection, yet persistent challenges remain in environmental adaptability, multispectral compatibility, and concurrent thermal management. To address these limitations, a spectrally selective modulator is pioneered that synergistically integrates radiative cooling with electrochromic tunability. The proposed achieves emissivity modulation, demonstrating remarkable change (Δ ɛ max = 0.76) within detection bands (3–5 µm 8–14 µm) while preserving high ( 0.79) non‐detection for passive heat dissipation. Multispectral operability further evidenced by dynamic diffuse reflectivity control R lowest 0.07/0.05 across visible near‐infrared band) terahertz absorptivity modulation A 0.66), enabling full‐spectrum adaptive concealment. device ≈10 °C apparent temperature without external heating, effectively disguising 70 target as 40 °C. Radiative efficacy validated through theoretical modeling (peak power: 367 W m − 2 ) experimental verification (≈6 reduction vs conventional wide‐spectrum stealth surfaces at 60 °C). With rapid switching (<6 s), exceptional cyclability (>10 3 cycles), programmable information encryption capabilities. This work resolves the long‐standing trade‐off between regulation wavelength‐selective engineering, establishing versatile foundation next‐generation intelligent systems defense, aerospace, energy‐efficient applications.

Language: Английский

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Optimization on structure and process parameters of stretchable photonic crystal based on polychromatic sets for mechanochromism

Sensors and Actuators A Physical, Journal Year: 2025, Volume and Issue: 387, P. 116448 - 116448

Published: March 12, 2025

Language: Английский

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Fabrication and performance of visible-infrared stealth material imitating butterfly wings

Ceramics International, Journal Year: 2025, Volume and Issue: unknown

Published: April 1, 2025

Language: Английский

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Thin‐film iridescence in the eggshell of a stick insect (Myronides glaucus)

Physiological Entomology, Journal Year: 2024, Volume and Issue: unknown

Published: Oct. 19, 2024

Abstract Colours in nature can be pigmentary, structural or a combination of both. The prevalence, function and nanostructural origin coloration eggs is largely unknown. Stick leaf insect display wide variety colours, most which are produced by pigments. Myronides glaucus (Phasmida: Lonchodidae; Hennemann, 2021), however, show clear purple to green iridescence. Here, we use micro‐spectrophotometry, Fourier‐transform infrared reflectance, transmission‐ scanning electron microscopy, atomic force finite‐difference time‐domain optical simulations experimental approaches elucidate the mechanism for iridescence M. eggshells, together reveal that caused thin‐film interference 200‐ 450‐nm‐thick outermost layer. These results highlight diversity phasmid need study different mechanisms functions coloration.

Language: Английский

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Chameleon-inspired molecular imprinted polymer with bicolored states for visual and stable detection of diethylstilbestrol in water and food samples

Food Chemistry, Journal Year: 2024, Volume and Issue: 469, P. 142531 - 142531

Published: Dec. 18, 2024

Language: Английский

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