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Controllably realizing elastic/plastic bending based on a room-temperature phosphorescent waveguiding organic crystal†
Chemical Science ( IF 7.6 ) Pub Date : 2018-10-02 00:00:00 , DOI: 10.1039/c8sc03135e Hao Liu 1 , Zhengyi Bian 1 , Qinyu Cheng 1 , Linfeng Lan 1 , Yue Wang 1 , Hongyu Zhang 1
Chemical Science ( IF 7.6 ) Pub Date : 2018-10-02 00:00:00 , DOI: 10.1039/c8sc03135e Hao Liu 1 , Zhengyi Bian 1 , Qinyu Cheng 1 , Linfeng Lan 1 , Yue Wang 1 , Hongyu Zhang 1
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Recently, the study of flexible (elastically bendable and plastically bendable) organic single crystals has become a hot research field in crystal engineering. In general, crystal elasticity and plasticity are incompatible with each other. Different from the applications of fluorescent crystals, the applications of room-temperature phosphorescence (RTP) materials generally ignore the crystallographic nature of large single crystals. Herein, we creatively combine elasticity and plasticity based on one RTP crystal 4,4′-dibromobenzil DBBZL. The in-depth study of the irreversible transformation between elastic bending and plastic bending provided important insights into the mechanism of both elastically bendable crystals and plastically bendable crystals in crystal engineering. The DBBZL crystal exhibits elastic bending (reversible) under external stress, whereas it shows plastic bending (irreversible) after excessive bending. Notably, the first phosphorescent optical waveguides of large single RTP crystals are realized not only in straight state, but also in elastic bent state and plastic bent state.
中文翻译：
基于室温磷光波导有机晶体可控实现弹塑性弯曲†
近年来，柔性（可弹性弯曲和可塑性弯曲）有机单晶的研究已成为晶体工程的热门研究领域。一般来说，晶体的弹性和可塑性是互不相容的。与荧光晶体的应用不同，室温磷光（RTP）材料的应用通常忽略了大单晶的晶体学性质。在此，我们基于一种 RTP 晶体 4,4'-二溴苯并 DBBZL 创造性地结合了弹性和可塑性。对弹性弯曲和塑性弯曲之间不可逆转变的深入研究为晶体工程中弹性弯曲晶体和塑性弯曲晶体的机理提供了重要的见解。DBBZL 晶体在外应力下表现出弹性弯曲（可逆），而在过度弯曲后表现出塑性弯曲（不可逆）。值得注意的是，大单RTP晶体的第一个磷光光波导不仅在直线状态下实现，而且在弹性弯曲状态和塑性弯曲状态下实现。
更新日期：2018-10-02
中文翻译：
基于室温磷光波导有机晶体可控实现弹塑性弯曲†
近年来，柔性（可弹性弯曲和可塑性弯曲）有机单晶的研究已成为晶体工程的热门研究领域。一般来说，晶体的弹性和可塑性是互不相容的。与荧光晶体的应用不同，室温磷光（RTP）材料的应用通常忽略了大单晶的晶体学性质。在此，我们基于一种 RTP 晶体 4,4'-二溴苯并 DBBZL 创造性地结合了弹性和可塑性。对弹性弯曲和塑性弯曲之间不可逆转变的深入研究为晶体工程中弹性弯曲晶体和塑性弯曲晶体的机理提供了重要的见解。DBBZL 晶体在外应力下表现出弹性弯曲（可逆），而在过度弯曲后表现出塑性弯曲（不可逆）。值得注意的是，大单RTP晶体的第一个磷光光波导不仅在直线状态下实现，而且在弹性弯曲状态和塑性弯曲状态下实现。
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