Issue 6, 2005
From the journal:

Journal of Materials Chemistry

Synthesis, characterization and optical limiting properties of a gallium phthalocyanine dimer

Helmut Bertagnolli,*a   Werner J. Blau,b   Yu Chen,c   Danilo Dini,d   Martin P. Feth,a   Sean M. O'Flaherty,b   Michael Hanack*d  and  Venkata Krishnana  

* Corresponding authors

a Institut für Physicalische Chemie, Universität Stuttgart, Pfaffenwaldring 55, 70569 Stuttgart, Germany
E-mail: h.bertagnolli@ipc.uni-stuttgart.de
Fax: +49-(0)711-6854443
Tel: +49-(0)711-6854450

b Materials Ireland Polymer Research Centre, Department of Physics, Trinity College Dublin, Dublin 2, Republic of Ireland

c Department of Chemistry, East China University of Science and Technology, 130 Meilong Road, Shanghai 200237, People's Republic of China

d Institut für Organische Chemie, Universität Tuebingen, Auf der Morgenstelle 18, D-72076 Tuebingen, Germany
E-mail: hanack@uni-tuebingen.de
Fax: +49-(0)7071-295268
Tel: +49-(0)7071-2972432

Abstract

A gallium phthalocyanine dimer with a direct gallium–gallium bond, [tBu4PcGa]2·2dioxane (2), has been synthesized and characterized by Extended X-ray Absorption Fine Structure (EXAFS) spectroscopy, UV/Vis, IR, NMR and MALDI-MS. By EXAFS the gallium–gallium distance in 2 was found to be 2.46 Å. Dimer 2 exhibits reverse saturable absorption with significantly reduced saturation intensity with respect to the starting material tBu4PcGaCl (1) as determined by means of optical limiting experiments.

Graphical abstract: Synthesis, characterization and optical limiting properties of a gallium phthalocyanine dimer

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Article information

DOI
https://doi.org/10.1039/B412546K
Article type
Paper
Submitted
13 Aug 2004
Accepted
20 Oct 2004
First published
24 Nov 2004

J. Mater. Chem., 2005,15, 683-689

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Synthesis, characterization and optical limiting properties of a gallium phthalocyanine dimer

H. Bertagnolli, W. J. Blau, Y. Chen, D. Dini, M. P. Feth, S. M. O'Flaherty, M. Hanack and V. Krishnan, J. Mater. Chem., 2005, 15, 683 DOI: 10.1039/B412546K

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