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arXiv 2009.09233physics.app-ph
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碳纳米管掺杂的高度有序光子蛋白石的可调谐和饱和结构色

Tunable and saturated structural colors from carbon nanotubes incorporated highly ordered photonic opals

Ravi Shanker, Izabela Jurewicz, Alan Dalton

摘要:

基于聚合物纳米颗粒的自组装的合成蛋白石通常由于结构中太多的晶格缺陷而产生暗淡/苍白的结构色。在这里,我们生产的碳纳米管(CNT)纳入高品质的三维光子蛋白石(PC-CNT)蒸发自组装。虽然碳纳米管只占所制备的光子蛋白石的0.01%,但它们的可控掺入具有显著的效果,可以将光子晶体的颜色从乳白色改变为强烈的红色。微观研究表明,CNT的掺入并没有影响光子晶体的晶格有序性。结构色的可调性,作为入射角的函数,进行了测试,并根据布拉格-斯内尔定律变化。此外,我们测试了光子蛋白石的机械致变色传感,证明了它们作为视觉指示剂的潜力。这种可调PC-CNT带来了许多可能性,包括应变传感或结构健康监测,以及根本利益。

英文摘要:

Synthetic opals, based on self-assembly of polymeric nanoparticles generally produces fainted/pale structural colors due to too many lattice flaws in the structures. Here we produces carbon nanotubes (CNTs) incorporated high quality 3D photonic opals (PC-CNT) by evaporative self-assembly. Although the CNTs make up only 0.01% of the fabricated photonic opal, their controlled incorporation has dramatic effect to change the color of the photonic crystals from milky white to intense red. Microscopic study suggest that CNT incorporation did not affect the lattice ordering of the photonic crystals. The tunability of structural colors, as a function of incident angle, were tested and varied against Bragg-Snell law. Furthermore, we tested mechanochromic sensing of the photonic opals, demonstrating their potential as visual indicators. This tunable PC-CNT brings many possibilities including strain sensing or structural health care monitoring, as well as being of fundamental interest.

机构、总结、中文摘要均由AI分析而来,可能存在错误,请以论文正文为准。

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