Photonic Crystals: Photocontrollable Photonic Crystals Based on Porous Silicon Filled with Photochromic Liquid Crystalline Mixture (Advanced Optical Materials 22/2020),Advanced Optical Materials

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Photonic Crystals: Photocontrollable Photonic Crystals Based on Porous Silicon Filled with Photochromic Liquid Crystalline Mixture (Advanced Optical Materials 22/2020)
Advanced Optical Materials ( IF 8.0 ) Pub Date : 2020-11-18 , DOI: 10.1002/adom.202070089
Alexey Bobrovsky ₁ , Sergey Svyakhovskiy ₂ , Alexey Bogdanov ₁ , Valery Shibaev ₁ , Martin Cigl ₃ , Vĕra Hamplová ₃ , Alexej Bubnov ₃

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Novel photocontrollable photonic crystals based on porous silicon filled with photochromic azobenzene‐containing nematic mixture were elaborated and their great potential for the creation of photoswitchable materials is demonstrated by Alexey Bobrovsky and co‐workers in article number 2001267. UV‐irradiation of these photonic crystals causes cis–trans isomerization of the azobenzene chromophores and a shift of photonic band gap to longer wavelengths. This process is completely reversible under visible light action and can be repeated many times. The obtained composites can be considered as new promising materials for photonic applications.

中文翻译：

光子晶体：基于多孔硅填充光致变色液晶混合物的光控光子晶体（先进光学材料22/2020）

详细阐述了基于多孔硅的新型光控光子晶体，该晶体填充了含光致变色偶氮苯的向列混合物，Alexey Bobrovsky及其同事在文章编号2001267中证明了其在光开关材料生产方面的巨大潜力。这些光子晶体的紫外线照射会导致偶氮苯生色团的顺反异构化和光子带隙向更长波长的转移。这个过程在可见光的作用下是完全可逆的，可以重复多次。所获得的复合材料可以被认为是光子应用的有希望的新材料。

更新日期：2020-11-18

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