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Recoverable Photolithographic Patterning for Polarized Display and Encryption
Advanced Materials Technologies ( IF 6.8 ) Pub Date : 2020-07-08 , DOI: 10.1002/admt.202000373
Lirong Xu 1 , Yechang Feng 1 , Dingshan Yu 1 , Zhikun Zheng 1 , Xudong Chen 1 , Wei Hong 1
Affiliation  

Anisotropic plasmonic nanostructures have attracted significant attention in recent years because of their unique optical properties and potential applications in holograms, thermotherapy, and information encoding. Herein, a gold nanorods/photoactive hydrogel system with excellent mechanical and photoreactive recoverability is developed. Multiscale engineering exploits the synergy among components to endow the system with rapid self‐healing ability, repetitive photolithographic capability, robust mechanical properties, and 3D printability, enabling multiple encoding routes including polarized patterns based on depolarization under UV‐lithography, polarized patterns by direct ink writing, invisible patterns through increased light absorption by depolarization, and thermal imaging patterns by anisotropic photothermal effects. This approach provides a facile and sustainable method for polarized patterning, thereby contributing to smart devices for applications in display, information encryption, and anti‐counterfeiting.

中文翻译:

可恢复的光刻图案,用于偏振显示和加密

各向异性等离子纳米结构由于其独特的光学特性以及在全息图,热疗和信息编码中的潜在应用,近年来受到了广泛的关注。本文中,开发了具有优异的机械和光反应回收性的金纳米棒/光敏水凝胶体系。多尺度工程利用组件之间的协同作用使系统具有快速的自我修复能力,重复的光刻能力,强大的机械性能和3D可打印性,从而实现了多种编码途径,包括基于UV光刻下的去偏振的偏振图案,直接油墨的偏振图案书写,通过去极化增加的光吸收来形成不可见的图案,以及通过各向异性光热效应来形成热成像图案。
更新日期:2020-09-10
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