Issue 33, 2015

Rational design of phenothiazine (PTz) and ethylenedioxythiophene (EDOT) based donor–acceptor compounds with a molecular aggregation breaker for solid state emission in red and NIR regions

Abstract

Two novel donor–acceptor (A–π–D–π–A) fluorophores based on phenothiazine (PTz) and ethylenedioxythiophene (EDOT) have been synthesized. Interestingly, an unusual π-stacking induced planarization of the crystal structure was observed for the PTz ring in the dialdehyde. The solid fluorophores exhibited emission in red (600 nm) and near infrared (NIR; 739 nm) regions with quantum yields of 8.9% and 0.9%, respectively. High quantum yields were obtained for the fluorophore doped polystyrene films.

Graphical abstract: Rational design of phenothiazine (PTz) and ethylenedioxythiophene (EDOT) based donor–acceptor compounds with a molecular aggregation breaker for solid state emission in red and NIR regions

Supplementary files

Article information

Article type
Paper
Submitted
19 May 2015
Accepted
19 Jul 2015
First published
22 Jul 2015

J. Mater. Chem. C, 2015,3, 8642-8648

Rational design of phenothiazine (PTz) and ethylenedioxythiophene (EDOT) based donor–acceptor compounds with a molecular aggregation breaker for solid state emission in red and NIR regions

E. Ramachandran and R. Dhamodharan, J. Mater. Chem. C, 2015, 3, 8642 DOI: 10.1039/C5TC01423A

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