Rational design of a visible-light photochromic diarylethene: a simple strategy by extending conjugation with electron donating groups
作者:Shanliang Tang、Fengling Song、Meiheng Lu、Keli Han、Xiaojun Peng
DOI:10.1007/s11426-018-9381-1
日期:2019.4
Photochromic diarylethenes have been widely used in many fields. However, their cyclization process must be induced by UV light. In this article, a simple strategy is developed by extending π-conjugation with electron donating groups. The modified dirylethene derivative can photocyclolize under 405-nm light with a good photochromic efficiency. Meanwhile, its absorption and moderate fluorescence can
光致变色二芳烃已广泛用于许多领域。但是,它们的环化过程必须由紫外线诱导。在本文中,通过扩展与给电子基团的π共轭,开发了一种简单的策略。改性的二乙烯衍生物可以在405nm的光下光环化,具有良好的光致变色效率。同时,在不同溶液和活细胞中,可见光(分别为405和520 nm)可以有效地在两个方向上切换其吸收和适度的荧光。我们相信,这种简单的方法将成为开发具有可见光光致变色作用的各种二乙烯基乙烯的通用策略。