Direct Printing of Nanostructured Holograms on Consumable Substrates.

Direct Printing of Nanostructured Holograms on Consumable Substrates.
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直接印刷纳米结构的全息图。

DOI:
10.1021/acsnano.0c02438
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发表时间:
2021-02-23
期刊:
影响因子:
17.1
通讯作者:
Butt H
Butt H
中科院分区:
材料科学1区
文献类型:
--
作者:
AlQattan B;Doocey J;Ali M;Ahmed I;Salih AE;Alam F;Bajgrowicz-Cieslak M;Yetisen AK;Elsherif M;Butt H

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由于不相容的成分和材料的性质,在可消耗基底和产品上直接纹理化纳米结构是一个挑战。在这里,我们开发了一种直接基于激光的方法来打印纳米结构的全息图上消耗玉米糖浆解决方案的干膜。利用全息激光(λ = 1050 nm)干涉系统在食物上构建了彩虹效应的全息图纳米结构。波长和周期性之间的关系通过折射率(1.642)的变化而导致衍射角的变化。增加糖浆中的糖浓度(25-175 mg)增加了这些全息图的衍射效率。糖的添加量使折射率增加7%,光吸收降低12.9%,对衍射角的影响为4.4°。表面全息图显示了从紫色到红色波长的宽带可见光衍射。这些可食用材料上的全息图可以印在商业食品上,以增加美学价值和控制感知。
Direct texturing of nanostructures on consumable substrates and products is a challenge because of incompatible ingredients and materials’ properties. Here, we developed a direct laser-based method to print nanostructured holograms on dried films of consumable corn syrup solutions. A holographic laser (λ = 1050 nm) interference system was used to construct the nanostructures of the holograms on food for rainbow effects. The relationship between wavelength and periodicity contributed to the changing diffraction angle through the change of the refractive index (1.642). Increasing the sugar concentration (25–175 mg) in the syrup increased the diffraction efficiency of these holograms. The added amount of sugar in the composition increased the refractive index (7%) and decreased the light absorption (12.9%), which influenced the change of diffraction angle by 4.4°. The surface holograms displayed wideband visual diffraction of light extending from violet to red wavelengths. These holograms on edible materials can be imprinted onto commercial food products for adding aesthetic value and controlling perception.
DOI: 10.1021/acsami.7b15713
发表时间: 2017-11-15
影响因子: 9.5
作者:
AlQattan B;Benton D;Yetisen AK;Butt H
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