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Photodynamic Pattern Memory Surfaces with Responsive Wrinkled and Fluorescent Patterns

机译:具有响应皱褶和荧光图案的光动力模式记忆曲面

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摘要

Reversible pattern systems, namely pattern memory surfaces, possessing tunable morphology play an important role in the development of smart materials; however, the construction of these surfaces is still extensively challenging because of complicated methodologies or chemical reactions. Herein, a functionalized basement is strategically integrated with a multi‐responsive supramolecular network based on hydrogen bonding between aggregation‐induced emission luminogens (AIEgens) and copolymers containing amidogen (poly(St‐co‐Dm) to establish a bilayer system for near‐infrared (NIR)‐driven memory dual‐pattern, where both the fluorescence emission and wrinkled structures can be concurrently regulated by a noninvasive NIR input. The motion of the AIEgens and photo‐to‐thermal expansion of the modified base allow temporal erasing of the fluorescent wrinkling patterns. Meanwhile, when exposed to 365?nm UV radiation, the fluorescent patterns can be independently regulated through photocyclization. The fluorescent wrinkling pattern presented herein is successfully demonstrated to promote the level of information security and capacity. This strategy provides a brand‐new approach for the development of smart memory interfaces.
机译:可逆模式系统,即模式记忆表面,具有可调形态的可调形态在智能材料的开发中发挥着重要作用;然而,由于复杂的方法或化学反应,这些表面的结构仍然是广泛的挑战性。在此,基于聚集诱导的发射激光(Aiegens)和含有脒基(Poly(ST-Co-DM)的共聚物之间的氢键基于氢键的多响应超分子网络具有策略性集成了官能化的基础,以建立近红外线的双层系统(NIR) - 驱动的内存双图案,其中荧光发射和皱纹结构可以通过非侵入性NIR输入同时调节。透射腺的运动和改性基底的光膨胀允许荧光的时间擦除皱纹图案。同时,当暴露于365°UV辐射时,荧光图案可以通过光循环独立调节。本文呈现的荧光皱纹图案被成功地证明了信息安全性和能力的水平。该策略提供了一个全新的智能内存接口开发的方法。

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