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Stretchable Freestanding Films of 3D Nanocrystalline Blue Phase Elastomer and Their Tunable Applications
Advanced Optical Materials ( IF 9 ) Pub Date : 2020-11-10 , DOI: 10.1002/adom.202001427
Yan‐Song Zhang, Shun‐An Jiang, Jia‐De Lin, Po‐Chih Yang, Chia‐Rong Lee

Given that it is a potential medium for 3D manipulation of photons in the forward‐looking technology of quantum optics, nonlinear optics, electronics, nanomaterials, and bionics, 3D photonic crystal (PhC) is a promising material of strategic significance and has great impact on scientific development. Blue phase (BP), a liquid crystalline mesophase with unique nanoscaled 3D PhC features, has been shown to contain significant potential values in fundamental studies and technological applications. However, thus far, the environmental stability of BP devices remains a puzzling issue of material exploitation. Therefore, in this study, stretching‐tunable BP elastomer (BPE) photonic bandgap (PBG) free‐standing films are fabricated via full photopolymerization. The BPE films exhibit benefit‐specific features, including sharp PBG with high reflectivity and flexible tunability in the visible region, high thermal stability, and good mechanical ductility and resistance in chemicals. These properties are attributed to the pre‐developed, fully‐reactive mesogenic materials employed, which show BP states in a wide temperature range, including room temperature. Additionally, mirrorless laser applications with flexible tunability are also realized in this study. The freestanding BPE film can be used as a prototype instrumentality to promote the future development of multifunctional intelligent applications in lasers, sensors, displays, intelligent lightings, lidars, micro‐robots and antennas.

中文翻译:

3D纳米晶蓝相弹性体的可拉伸自支撑膜及其可调谐应用

鉴于它是量子光学,非线性光学,电子学,纳米材料和仿生学等前瞻性技术中对光子进行3D操纵的潜在媒介,3D光子晶体(PhC)是具有战略意义的有前途的材料,它对科学发展。蓝相(BP)是具有独特的纳米级3D PhC功能的液晶中间相,在基础研究和技术应用中已显示出巨大的潜在价值。但是,到目前为止,BP设备的环境稳定性仍然是材料开发中一个令人费解的问题。因此,在这项研究中,可拉伸的BP弹性体(BPE)光子带隙(PBG)独立式薄膜是通过完全光聚合制备的。BPE薄膜具有特定于利益的特征,包括锋利的PBG,在可见光区域具有高反射率和可调性,高热稳定性以及良好的机械延展性和耐化学性。这些特性归因于所采用的预先开发的,完全反应的介晶材料,这些材料在很宽的温度范围内(包括室温)显示BP状态。此外,这项研究还实现了具有灵活可调性的无反射镜激光器应用。独立的BPE膜可用作原型工具,以促进激光,传感器,显示器,智能照明,激光雷达,微型机器人和天线等多功能智能应用的未来发展。这些特性归因于所采用的预先开发的,完全反应的介晶材料,这些材料在很宽的温度范围内(包括室温)显示BP状态。此外,这项研究还实现了具有灵活可调性的无反射镜激光器应用。独立的BPE膜可用作原型工具,以促进激光,传感器,显示器,智能照明,激光雷达,微型机器人和天线等多功能智能应用的未来发展。这些特性归因于所采用的预先开发的,完全反应的介晶材料,这些材料在很宽的温度范围内(包括室温)显示BP状态。此外,这项研究还实现了具有灵活可调性的无反射镜激光器应用。独立的BPE膜可用作原型工具,以促进激光,传感器,显示器,智能照明,激光雷达,微型机器人和天线等多功能智能应用的未来发展。
更新日期:2021-01-04
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