Issue 3, 2012
From the journal:

New Journal of Chemistry

Photophysical property trends for a homologous series of bis-ethynyl-substituted benzochalcogendiazoles†

Benjamin A. Coombs,a   Benjamin D. Lindner,a   Robert M. Edkins,b   Frank Rominger,a   Andrew Beeby*b  and  Uwe H. F. Bunz*a  

* Corresponding authors

a Organische Chemisches Institut, Universität Heidelberg, Im Neuenheimer Feld 270, 69120 Heidelberg, Germany
E-mail: uwe.bunz@oci.uni-heidelberg.de
Fax: +49 6221 548 401
Tel: +49 6221 548 401

b Department of Chemistry, Durham University Science Site, South Road, Durham, UK

Abstract

We report on the preparation and photophysical property study of three homologous benzoheteroarene–ethynylene systems. Significant differences in the series' optical properties indicate a change in the HOMO–LUMO energy as the chalcogen is altered (O, S and Se) which we have examined using TD-DFT methods and shown to be attributable to modification of the HOMO energy.

Graphical abstract: Photophysical property trends for a homologous series of bis-ethynyl-substituted benzochalcogendiazoles

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Article information

DOI
https://doi.org/10.1039/C2NJ20847D
Article type
Letter
Submitted
04 Oct 2011
Accepted
22 Nov 2011
First published
13 Dec 2011

New J. Chem., 2012,36, 550-553

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Photophysical property trends for a homologous series of bis-ethynyl-substituted benzochalcogendiazoles

B. A. Coombs, B. D. Lindner, R. M. Edkins, F. Rominger, A. Beeby and U. H. F. Bunz, New J. Chem., 2012, 36, 550 DOI: 10.1039/C2NJ20847D

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