Bio-Inspired Photonic Structures: Prototypes, Fabrications and Devices

Liu, Feng; Dong, Biqin; Liu, Xiaohan

doi:10.5772/50199

Cited by 6 publications

(13 citation statements)

References 98 publications

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“…15 By varying photonic structure characterizations, incident light angle, or the refraction index contrast of the color-produced optical system via the environmental stimuli, reversible coloration changes, which are basically passive, are revealed in fish, insects and birds. 53 Some beetles' elytra colors change with the absorption of moisture based on humidity, temperature and environment. [54][55][56][57][58][59][60] Fig.…”

Section: Introductionmentioning

confidence: 99%

Structural coloration in nature

2013

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The diffraction grating mechanism is found in, for example, seed shrimp, mollusk Haliotis Glabra and the Hibiscus trionum flower. Scattering includes coherent and incoherent scattering. Wellknown examples of coherent scattering include colors produced by brilliant iridescent butterfly wing scales and avian feather barbules, such as the peacock's tail. Examples of colors produced by photonic crystal structures include opal in beetles and iridescent spines in the sea mouse. Coloration changes occur through structural changes for camouflage, predation, signal communication and sex choice. This paper presents an overview of lessons from nature and various relevant mechanisms. Examples of bioinspired fabrication methods and applications are also presented in this paper.

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Section: Introductionmentioning

confidence: 99%

Structural coloration in nature

2013

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“…Therefore, understanding the natural optical structures and replicating their mechanisms in engineered optical structures and systems have become increasingly important. Recent advances in 3D‐printing technology and optical materials have the potential to enable the fabrication of nano/microscale optical structures with complex shapes for designed optical systems …”

Section: D Printing Of Bioinspired Optical Devicesmentioning

confidence: 99%

“…The material selection of complex optical systems mainly depends on the application requirements . Specifically, the optical properties mainly include refractive index, abbe value, reflectivity, and transparency.…”

Section: D Printing Of Bioinspired Optical Devicesmentioning

confidence: 99%

“…By taking advantages of 3D printing, the fabrication of optical components with complex bionic 3D geometric shapes can become reality. For example, polycarbonates, acrylics, and polystyrenes will be cross‐linked and solidified with sufficient energy under high temperature or light exposure using 3D‐printing methods . Even optical crystal and semiconductor materials have been successfully fabricated by various 3D‐printing processes …”

Section: D Printing Of Bioinspired Optical Devicesmentioning

confidence: 99%

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Recent Progress in Biomimetic Additive Manufacturing Technology: From Materials to Functional Structures

et al. 2018

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Nature has developed high-performance materials and structures over millions of years of evolution and provides valuable sources of inspiration for the design of next-generation structural materials, given the variety of excellent mechanical, hydrodynamic, optical, and electrical properties. Biomimicry, by learning from nature's concepts and design principles, is driving a paradigm shift in modern materials science and technology. However, the complicated structural architectures in nature far exceed the capability of traditional design and fabrication technologies, which hinders the progress of biomimetic study and its usage in engineering systems. Additive manufacturing (three-dimensional (3D) printing) has created new opportunities for manipulating and mimicking the intrinsically multiscale, multimaterial, and multifunctional structures in nature. Here, an overview of recent developments in 3D printing of biomimetic reinforced mechanics, shape changing, and hydrodynamic structures, as well as optical and electrical devices is provided. The inspirations are from various creatures such as nacre, lobster claw, pine cone, flowers, octopus, butterfly wing, fly eye, etc., and various 3D-printing technologies are discussed. Future opportunities for the development of biomimetic 3D-printing technology to fabricate next-generation functional materials and structures in mechanical, electrical, optical, and biomedical engineering are also outlined.

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“…Cicadas, in particular, have tapered nanopillars in their transparent wings to suppress light reflection, which makes them invisible to predators [ 8 ] and provides them with self-cleaning, superhydrophobic and bactericidal properties [ 9 ]. The amplitude and periodicity of the nanopillars range between 170 and 300 nm in order to achieve minimal reflection in the visible 300–800 nm spectrum [ 10 , 11 , 12 , 13 ]. In previous studies, direct deposition of metals on cicada wings has been used to investigate broadband light absorption properties of the nanostructures [ 14 ], as surface-enhanced Raman scattering (SERS) substrates [ 15 , 16 ] and to produce bio-templated SERS-active nanostructures transferred to optical fibers [ 17 ].…”

Section: Introductionmentioning

confidence: 99%

Cicada Wing Inspired Template-Stripped SERS Active 3D Metallic Nanostructures for the Detection of Toxic Substances

Nair

Gomez-Cruz

Ascanio

et al. 2021

Sensors

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This article introduces a bioinspired, cicada wing-like surface-enhanced Raman scattering (SERS) substrate based on template-stripped crossed surface relief grating (TS-CSRG). The substrate is polarization-independent, has tunable nanofeatures and can be fabricated in a cleanroom-free environment via holographic exposure followed by template-stripping using a UV-curable resin. The bioinspired nanostructures in the substrate are strategically designed to minimize the reflection of light for wavelengths shorter than their periodicity, promoting enhanced plasmonic regions for the Raman excitation wavelength at 632.8 nm over a large area. The grating pitch that enables an effective SERS signal is studied using Rhodamine 6G, with enhancement factors of the order of 1 × 104. Water contact angle measurements reveal that the TS-CSRGs are equally hydrophobic to cicada wings, providing them with potential self-cleaning and bactericidal properties. Finite-difference time-domain simulations are used to validate the nanofabrication parameters and to further confirm the polarization-independent electromagnetic field enhancement of the nanostructures. As a real-world application, label-free detection of melamine up to 1 ppm, the maximum concentration of the contaminant in food permitted by the World Health Organization, is demonstrated. The new bioinspired functional TS-CSRG SERS substrate holds great potential as a large-area, label-free SERS-active substrate for medical and biochemical sensing applications.

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Bio-Inspired Photonic Structures: Prototypes, Fabrications and Devices

Cited by 6 publications

References 98 publications

Structural coloration in nature

Structural coloration in nature

Recent Progress in Biomimetic Additive Manufacturing Technology: From Materials to Functional Structures

Cicada Wing Inspired Template-Stripped SERS Active 3D Metallic Nanostructures for the Detection of Toxic Substances

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