Optical modulation of supramolecular assembly of amphiphilic photochromic diarylethene: from nanofiber to nanosphere
作者:Xinhong Zhou、Yulong Duan、Shihai Yan、Zhihong Liu、Chuanjian Zhang、Lishan Yao、Guanglei Cui
DOI:10.1039/c1cc11385b
日期:——
A diarylethene derivative with histamines as side chains was synthesized and the morphology of self-assembled supramolecular architecture can be tuned from nanofiber to nanosphere by photo irradiation. The theoretical calculation and model of the self-assembled nanostructure are presented to illuminate the possible self-assembly mechanism.
The photochromic diarylethene, 1,2-bis(2-methyl-5-(2,2′-dicyanovinyl)-thien-3-yl)perfluorocyclopentene (1a), was synthesized by a novel method. Two kinds of single crystals of the compound were obtained depending on the different recrystallization conditions and their structures were determined by X-ray crystallographic analysis. Allomorphism of the photochromic diarylethene was discovered. The compound