Molecular Keypad Locks Based on Gated Photochromism and Enhanced Fluorescence by Protonation Effects
作者:Ming-Hua Zheng、Wei Sun、Jing-Yi Jin、Chun-Hua Yan
DOI:10.1007/s10895-014-1397-9
日期:2014.7
Being a “lock-unlock” system, gated photochromism is generally applied in nondestructive readout for optical memory materials. In the presented paper, we successfully constructed molecular keypad locks by introduction of the gated photochromism. A series of diarylethenes compounds (DAEs) based on fluorescent 5-methoxy-2-pyridyl thiazoles, were prepared and then characterized as photochromic fluorescent switches. Protoantion of the reported DAEs resulted in both protonation-locked photo-reactivities, i.e., gated photochromism, and enhancement of fluorescence. Molecular keypad locks were then successfully constructed, which are also featured by “one-key” lock operation.
作为“锁定-解锁”系统,门控光致变色通常用于光学存储材料的无损读取。在本文中,我们通过引入门控光致变色成功地构建了分子键盘锁。我们制备了一系列基于荧光5-甲氧基-2-吡啶基噻唑的二芳基乙烯化合物(DAE),并将其表征为光致变色荧光开关。所报道的DAE的质子化导致质子化锁定光反应性,即门控光致变色和荧光增强。然后成功地构建了分子键盘锁,其还具有“一键”锁定操作的特点。