Bio-inspired photonic crystal patterns

Wu, Pingping; Wang, Jingxia; Jiang, Lei

doi:10.1039/c9mh01389j

Cited by 208 publications

(146 citation statements)

References 299 publications

(935 reference statements)

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“…These artificial structural colors can be non-iridescent ( Xiao et al., 2017 ), brilliant, and responsive to various external stimuli including the temperature, solvent, light, electricity, magnetic field, and forces ( Fenzl et al., 2014 ), which make them promising in many applications, such as colorful displays, anti-counterfeiting, information storage, mechanical sensing, and healthcare monitoring ( Isapour and Lattuada, 2018 ). With the in-depth understanding of the color mechanisms, researchers have already obtained the optimization of some artificial structural colors aiming at the specific functions ( Wu et al., 2020 ). Thus, more advanced structural-color materials and products are expected to be prepared and applied in the future.…”

Section: Introductionmentioning

confidence: 99%

Designable structural coloration by colloidal particle assembly: from nature to artificial manufacturing

et al. 2021

iScience

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Summary Structural color attracts considerable scientific interests and industrial explorations in various fields for the eco-friendly, fade-resistant, and dynamic advantages. After the long-period evolution, nature has achieved the optimized color structures at various length scales, which has inspired people to learn and replicate them to improve the artificial structure color. In this review, we focus on the design of artificial structural colors based on colloidal particle assembly and summarize the functional bioinspired structure colors. We demonstrate the design principles of biomimetic structural colors via the precise structure engineering and typical bottom-up methods. Some main applications are outlined in the following chapter. Finally, we propose the existing challenges and promising prospects. This review is expected to introduce the recent design strategies about the artificial structure colors and provide the insights for its future development.

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Section: Introductionmentioning

confidence: 99%

Designable structural coloration by colloidal particle assembly: from nature to artificial manufacturing

et al. 2021

iScience

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“… 1 , 2 Such natural structural coloration (SC) has inspired the development of engineered nanophotonic materials, which circumvent limitations of traditional coloration strategies based on pigments or dyes. 3 , 4 Not least, organic dyes tend to fade over time, and inorganic pigments are often based on toxic heavy metals, with harmful effects on the environment and human beings. 5 …”

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confidence: 99%

Noniridescent Biomimetic Photonic Microdomes by Inkjet Printing

et al. 2020

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Certain bird species have evolved spectacular colors that arise from organized nanostructures of melanin. Its high refractive index (∼1.8) and broadband absorptive properties enable vivid structural colors that are nonsusceptible to photobleaching. Mimicking natural melanin structural coloration could enable several important applications, in particular, for noniridescent systems with colors that are independent of incidence angle. Here, we address this by forming melanin photonic crystal microdomes by inkjet printing. Owing to their curved nature, the microdomes exhibit noniridescent vivid structural coloration, tunable throughout the visible range via the size of the nanoparticles. Large-area arrays (>1 cm 2 ) of high-quality photonic microdomes could be printed on both rigid and flexible substrates. Combined with scalable fabrication and the nontoxicity of melanin, the presented photonic microdomes with noniridescent structural coloration may find use in a variety of applications, including sensing, displays, and anticounterfeit holograms.

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“…[48] The combination of responsive photonic crystals and wettability makes interfacial fluids very important in the field of chromic materials. [49][50][51] The modified droplet transport surfaces were prepared by setting hydrophobic barriers periodically on the hydrophilic inverse opal surfaces (see Figure 4a). As shown from Figure 4b, the contact angle of water on the PDMS is ≈116.5° (hydrophobic), while that on the inverse opal is ≈48° (hydrophilic).…”

Section: Wettability Of the Bilayer Photonic Crystalsmentioning

confidence: 99%

Retroreflection and Wettability Controlled Smart Indicator Based on Responsive Bilayer Photonic Crystals for Traffic Warning

Zhou

Niu

et al. 2020

Advanced Optical Materials

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current retroreflective materials are fabricated using glass bead-type or corner cubetype retroreflectors, achieving coloration through an undercoating layer containing pigments or dyes. [5,13,14] Recently, a retroreflective smart indicator that can simultaneously display iridescent and non-iridescent structural colors to observers at different viewing directions relative to the illumination direction has been reported. [15] However, these retroreflection materials cannot be used to assess the risk of traffic accidents depending on the weather. Considering the application of rain-triggered landslide warnings, responsive photonic crystals are an excellent carrier for preparing smart indicators. [16,17] Some optical phenomena can also produce a retroreflection effect, such as scattering, grating diffraction, diffraction by 2D photonic crystals, and vertical specular reflection by 3D photonic crystals. Photonic crystal

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Bio-inspired photonic crystal patterns

Abstract: In this review, the recent research progress in bio-inspired PC patterns is presented including preparation strategies, functionality evolution and various applications.

Cited by 208 publications

References 299 publications

Designable structural coloration by colloidal particle assembly: from nature to artificial manufacturing

Designable structural coloration by colloidal particle assembly: from nature to artificial manufacturing

Noniridescent Biomimetic Photonic Microdomes by Inkjet Printing

Retroreflection and Wettability Controlled Smart Indicator Based on Responsive Bilayer Photonic Crystals for Traffic Warning

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