Issue 65, 2014

Reversible mechanochromism and enhanced AIE in tetraphenylethene substituted phenanthroimidazoles

Abstract

Tetraphenylethene (TPE) substituted phenanthroimidazoles 3a and 3b were designed and synthesized by the Suzuki cross-coupling reaction. They show reversible mechanochromic behavior with contrast colors between sky-blue and yellow green. The powder XRD studies show that destruction of a crystalline state into an amorphous state is responsible for mechanochromism. Hydrogen bonding interaction of a cyano-group in 3b results in enhanced AIE and improved thermal stability.

Graphical abstract: Reversible mechanochromism and enhanced AIE in tetraphenylethene substituted phenanthroimidazoles

Supplementary files

Article information

Article type
Communication
Submitted
16 apr 2014
Accepted
15 iyn 2014
First published
18 iyn 2014

Chem. Commun., 2014,50, 9076-9078

Reversible mechanochromism and enhanced AIE in tetraphenylethene substituted phenanthroimidazoles

R. Misra, T. Jadhav, B. Dhokale and S. M. Mobin, Chem. Commun., 2014, 50, 9076 DOI: 10.1039/C4CC02824D

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