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Tunable alumina 2D photonic-crystal structures via biomineralization of peacock tail feathers

机译:通过孔雀尾羽生物矿化可调节氧化铝二维光子晶体结构

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摘要

Peacock tail feathers with subtle periodic nanostructures exhibit diverse striking brilliancy, which can be applied as natural templates to fabricate artificial photonic crystals (PhCs) via a biomineralization method. Alumina photonic-crystal structures are successfully synthesized via an immersion and two-step calcination process. The lattice constants of the artificial PhCs are greatly reduced compared to their natural matrices. The lattice constants are tunable by modifying the final annealing conditions in the biomineralization process. The reflection spectra of the alumina photonic-crystal structures are measured, which is related to their material and structural parameters. This work suggests a facile fabrication process to construct alumina PhCs with a high-temperature resistance. (C) 2018 Elsevier B.V. All rights reserved.
机译:具有微妙的周期性纳米结构的孔雀尾羽展现出惊人的光彩,可以将其用作天然模板,通过生物矿化方法来制造人造光子晶体(PhC)。通过浸渍和两步煅烧工艺成功合成了氧化铝光子晶体结构。与天然基质相比,人工PhC的晶格常数大大降低。通过改变生物矿化过程中的最终退火条件,可以调节晶格常数。测量了氧化铝光子晶体结构的反射光谱,这与它们的材料和结构参数有关。这项工作提出了一种易于制造的工艺来构造具有高温电阻的氧化铝PhC。 (C)2018 Elsevier B.V.保留所有权利。

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