Effects of solvents on the growth of an asymmetrical photochromic diarylethene crystal

被引：32
作者：
Fan, Congbin [1 ]
Pu, Shouzhi [1 ]
Liu, Gang [1 ]
机构：
[1] Jiangxi Sci & Technol Normal Univ, Jiangxi Key Lab Organ Chem, Nanchang 330013, Jiangxi, Peoples R China
来源：
DYES AND PIGMENTS | 2015年 / 113卷
基金：
中国国家自然科学基金;
关键词：
Photochromism; Diarylethene; Solvent effect; Crystal structure; Fluorescence switch; Electrochemistry; UNSYMMETRICAL ISOMERIC DIARYLETHENES; SINGLE-CRYSTALS; FLUORESCENCE; BEARING; REACTIVITY; MORPHOLOGY; PHASE; LIGHT;
D O I：
10.1016/j.dyepig.2014.07.023
中图分类号：
O69 [应用化学];
学科分类号：
081704 ;
摘要：
An asymmetrical photochromic diarylethene with one pyridine unit was synthesized, which could have two types of crystals controlled through the evaporation of either an ether solution or a hexane/chloroform (V = 1:1) solution at room temperature, respectively. The obtained open-ring isomer and closed-ring isomer of the diarylethene could be interconverted in solution, in a solid film, and even in the crystalline phase via alternating irradiation with UV and visible light. The diarylethene exhibited proton-controlling fluorescence switching behavior through alternating the stimulation of trifluoroacetic acid and triethylamine. Its fluorescence intensity could also be modulated reversibly through alternating irradiation with UV and visible light. Thus, the diarylethene could be used as a multi-addressable fluorescence switch when triggered with light and acid/base. Cyclic voltammograms with an oxidation wave of the closed-ring isomer was clearly observed at 0.82 V. (C) 2014 Elsevier Ltd. All rights reserved.
引用
收藏
页码：61 / 69
页数：9
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