光致变色
光化学
荧光
化学
二芳基乙烯
辐照
罗丹明B
水溶液
罗丹明
分子
反应性(心理学)
光催化
有机化学
催化作用
光学
核物理学
替代医学
病理
物理
医学
作者
Haichuang Lan,Guanglei Lv,Ying Wen,Yueyuan Mao,Chunhui Huang,Tao Yi
标识
DOI:10.1016/j.dyepig.2016.03.047
摘要
A rhodamine-modified diarylethene was designed and synthesised which could respond to both pH and irradiation in a synergic manner. This molecule shows neither fluorescence nor photochromism in neutral or alkaline aqueous solution (pH ≥ 7). When the pH is decreased, fluorescence of the molecule is dramatically enhanced and the photochromic reactivity is unlocked. In the pH range of 1.0–4.0, the emission intensity of the rhodamine unit in the molecule can be remotely controlled by UV (360 nm) and visible light (670 nm) irradiation. Thus the switch of the fluorescence and photochromic properties of the molecule can be synergistically operated by proton and light irradiation.
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