Structural color patterns derived from photonic crystals with high saturation and brightness using spin coating method

IF 2.5 3区物理与天体物理 Q2 OPTICS

Optics Communications Pub Date : 2025-09-04 DOI:10.1016/j.optcom.2025.132380

Yeqi Wang, Mingxuan Qi, Haochuan Xu, Min Huang, Jiong Liang, Lixue Yang, Yu Liu, Xiu Li

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引用次数: 0

Abstract

In contrast to traditional pigment colors, structural colors exhibit advantages such as environmental friendliness, resistance to fading, and a rich array of optical effects. These characteristics align more closely with the theme of contemporary green development, leading to growing interest in structural color technologies. Here, we demonstrate a schematic utilizing SiO₂ microspheres of four different diameters as fundamental units to fabricate three-dimensional structural color patterns on paper substrates via screen printing and spin coating techniques. The effects of microsphere size and dispersion concentration on the color performance of the samples were investigated, and the results indicated that as the microsphere diameter decreased from 280 nm to 200 nm, the color observed shifted from magenta to blue at a 5° viewing angle. Additionally, when the microsphere diameter remained constant, an increase in the volume fraction of the SiO₂ microsphere dispersion from 10 % to 50 % resulted in a slight blue shift in hue and a gradual increase in saturation. Furthermore, by regulating the substrate's wettability, patterned structural colors with multi-hued, high-saturation, and sharply defined effects were achieved through screen printing and spin coating. This opens new possibilities for the widespread application of structural colors in the printing industry.

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利用自旋镀膜法从高饱和度、高亮度的光子晶体中获得结构彩色图案

与传统的颜料色相比，结构色具有环保、耐褪色、丰富的光学效果等优点。这些特点与当代绿色发展的主题更加紧密地联系在一起，导致人们对结构色彩技术的兴趣日益浓厚。在这里，我们展示了一个原理图，利用四种不同直径的SiO2微球作为基本单元，通过丝网印刷和旋转涂层技术在纸基材上制造三维结构彩色图案。研究了微球尺寸和分散浓度对样品显色性能的影响，结果表明，当微球直径从280 nm减小到200 nm时，在5°视角下，观察到的颜色由品红向蓝色转变。此外，当微球直径保持不变时，SiO2微球分散的体积分数从10%增加到50%，导致色调略有蓝移，饱和度逐渐增加。此外，通过调节基材的润湿性，通过丝网印刷和旋转涂层实现了具有多色调，高饱和度和清晰定义效果的图案结构色。这为结构色在印刷业的广泛应用开辟了新的可能性。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Optics Communications 物理-光学

CiteScore

5.10

自引率

8.30%

发文量

681

审稿时长

38 days

期刊介绍： Optics Communications invites original and timely contributions containing new results in various fields of optics and photonics. The journal considers theoretical and experimental research in areas ranging from the fundamental properties of light to technological applications. Topics covered include classical and quantum optics, optical physics and light-matter interactions, lasers, imaging, guided-wave optics and optical information processing. Manuscripts should offer clear evidence of novelty and significance. Papers concentrating on mathematical and computational issues, with limited connection to optics, are not suitable for publication in the Journal. Similarly, small technical advances, or papers concerned only with engineering applications or issues of materials science fall outside the journal scope.