Issue 10, 2014

Modulating structure and properties in organic chromophores: influence of azulene as a building block

Abstract

The properties of isomeric azulene derivatives, substituted through the 5-membered ring, were examined using a combination of experimentation and theoretical calculations for a series of well-defined electroactive oligomers. The substitution pattern was shown to dramatically influence solid-state, electronic, and optical properties of the oligomers with acid-responsive materials only being observed when the azulenium cation could be directly stabilized by substituents on the 5-membered ring. In addition, the absorption maxima and optical band-gaps of the azulenium cations can be tuned by the substitution position of the azulene ring by the chromophore.

Graphical abstract: Modulating structure and properties in organic chromophores: influence of azulene as a building block

Supplementary files

Article information

Article type
Edge Article
Submitted
02 Jun 2014
Accepted
01 Jul 2014
First published
16 Jul 2014

Chem. Sci., 2014,5, 3753-3760

Author version available

Modulating structure and properties in organic chromophores: influence of azulene as a building block

M. Murai, S. Ku, N. D. Treat, M. J. Robb, M. L. Chabinyc and C. J. Hawker, Chem. Sci., 2014, 5, 3753 DOI: 10.1039/C4SC01623H

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