Molecular Thermal Motion Modulated Room-Temperature Phosphorescence for Multilevel Encryption.

IF 10.7

Research (Washington, D.C.) Pub Date : 2022-07-23 eCollection Date: 2022-01-01 DOI:10.34133/2022/9782713

Jiaqiang Zhao, Guojuan Yan, Wei Wang, Shishi Shao, Binfang Yuan, Yan Jie Li, Xuepeng Zhang, Cheng Zhi Huang, Peng Fei Gao

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引用次数: 7

Abstract

The stimulus-responsive room-temperature phosphorescence (RTP) materials have become an increasingly significant topic in the fields of bioimaging, sensing, and anticounterfeiting. However, this kind of materials is scarce to date, especially for the ones with delicate stimulus-responsive behavior. Herein, a universal strategy for multilevel thermal erasure of RTP via chromatographic separation of host-guest doping RTP systems is proposed. The tunable host-guest systems, matrix materials, heating temperature, and time are demonstrated to allow precise six-level data encryption, QR code encryption, and thermochromic phosphorescence encryption. Mechanistic study reveals that the thermal-responsive property might be attributed to molecular thermal motion and the separation effect of the silica gel, which provides expanded applications of host-guest RTP materials such as cold chain break detection. This work offers a simple yet universal way to construct advanced responsive RTP materials.

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用于多级加密的分子热运动调制室温磷光。

刺激响应型室温磷光材料在生物成像、传感和防伪等领域已成为越来越重要的研究课题。然而，迄今为止，这种材料是稀缺的，特别是那些具有微妙刺激反应行为的材料。本文提出了一种通过主客体掺杂RTP体系的色谱分离实现RTP多层热擦除的通用策略。可调的主客系统，基质材料，加热温度和时间被证明允许精确的六级数据加密，QR码加密和热致变色磷光加密。机理研究表明，热响应特性可能归因于分子热运动和硅胶的分离效应，这为冷链断裂检测等主客体RTP材料的扩展应用提供了可能。这项工作提供了一种简单而通用的方法来构建先进的响应式RTP材料。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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Research (Washington, D.C.)

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