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首页> 外文期刊>Journal of Microlithography, Microfabrication, and Microsystems. (JM3) >Centrifugation and spin-coating method for fabrication of three-dimensional opal and inverse-opal structures as photonic crystal devices
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Centrifugation and spin-coating method for fabrication of three-dimensional opal and inverse-opal structures as photonic crystal devices

机译：离心和旋涂法制造作为光子晶体器件的三维蛋白石和反蛋白石结构

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摘要

We describe a simple and effective method, based on a combination of centrifugation and spin coating, developed for the fabrication by self-assembly of photonic crystal structures. The process produces compact 3-D arrays of polystyrene microspheres (opals) that are organized into crystalline lattices with single-crystal regions up to several hundred micrometers in size. These arrays are subsequently used as templates for infiltration with polyurethane. The resulting inverse opals are characterized by Fourier transform IR reflection spectroscopy and exhibit strong reflectivity for a band of wavelengths in excellent agreement with band structure calculations. This process offers the ability to rapidly form 3-D photonic crystals using inexpensive instrumentation, which makes it attractive for an array of applications. Process parameters, fabricated structures, and their experimental characterization are presented
机译：我们描述了一种简单有效的方法，该方法基于离心和旋涂的结合，为通过光子晶体结构的自组装制造而开发。该工艺产生了紧凑的聚苯乙烯微球3-D阵列（蛋白石），这些阵列被组织成具有最大几百微米大小的单晶区域的晶格。这些阵列随后用作聚氨酯渗透的模板。所得的反蛋白石通过傅里叶变换红外反射光谱进行表征，并在与波段结构计算极好的一致性的情况下，显示出对一个波段的强反射率。该工艺提供了使用廉价仪器快速形成3D光子晶体的能力，这使其对一系列应用具有吸引力。介绍了工艺参数，制造的结构及其实验特性

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