Mechanofluorochromism of D-A typed phenothiazine derivative

被引：18

作者：

Jia, Junhui ^{[1
]}

Zhang, Huijuan ^{[2
]}

机构：

[1] Shanxi Normal Univ, Sch Chem & Mat Sci, Magnet Informat Mat Minist Educ, Key Lab Magnet Mol, Linfen 041004, Peoples R China

[2] Shanxi Normal Univ, Coll Phys & Elect Informat, Linfen 041000, Peoples R China

来源：

JOURNAL OF PHOTOCHEMISTRY AND PHOTOBIOLOGY A-CHEMISTRY | 2018年 / 361卷

关键词：

Phenothiazine; Mechanofluorochromism; D-A typed; ICT; AGGREGATION-INDUCED EMISSION; FLUORESCENCE; MECHANOCHROMISM; BEHAVIORS;

D O I：

10.1016/j.jphotochem.2018.05.012

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

A D-A typed phenothiazine derivative MPTPM has been designed and synthesized via a Friedel-Crafts reaction, which contains two benzoyl groups. It was found that MPTPM gave strong emission in solution and in solid state, and the solid fluorescence quantum yield was as high as 0.60. Moreover, an excellent reversible mechano-fluorochromic behavior was realized upon the treatment of grinding/fuming with CH2Cl2 or heating in spite of a very simple molecular structure. The emission color of MPTPM changed from green to orange-yellow after grinding and could be restored via fuming with CH2Cl2 or heating with a spectra shift of similar to 63 nm. Photophysical, XRD, DSC studies indicated the mechanofluorochromic properties of MPTPM originating from the transformation between crystalline phase and amorphous phase.

引用

页码：112 / 116

页数：5

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