Observation of a Fluorescent Dimer of a Sulfonated Phthalocyanine¶

Neil M. Speirs; Warren J. Ebenezer; Anita C. Jones

doi:10.1562/0031-8655(2002)076<0247:OOAFDO>2.0.CO;2

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Neil M. Speirs,¹ Warren J. Ebenezer,² Anita C. Jones^1,*

¹aDepartment of Chemistry, The University of Edinburgh, Edinburgh, UK
²bDyStar UK Ltd, Cheadle Hulme, Cheshire, UK

^**To whom correspondence should be addressed at: Department of Chemistry, The University of Edinburgh, Joseph Black Building, West Mains Road, Edinburgh EH9 3JJ, UK. Fax: 131-650-4743; a.c.jones@ed.ac.uk

Abstract

With very few exceptions, phthalocyanine dimers are found to be nonfluorescent. We report here the observation of a fluorescent dimer of a tetrasulfonated copper phthalocyanine in ethanol and water. Fluorescence excitation and emission spectra at room temperature and at 77 K are presented. These are consistent with the conventional model of exciton coupling in a cofacial dimer.

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Neil M. Speirs, Warren J. Ebenezer, and Anita C. Jones "Observation of a Fluorescent Dimer of a Sulfonated Phthalocyanine," Photochemistry and Photobiology 76(3), 247-251, (1 September 2002). https://doi.org/10.1562/0031-8655(2002)076<0247:OOAFDO>2.0.CO;2

Received: 28 February 2002; Accepted: 1 May 2002; Published: 1 September 2002

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