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Host-guest interactions and laser activity in AlPO4-5/laser dye composites

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Weiß,  Ö.
Research Department Schüth, Max-Planck-Institut für Kohlenforschung, Max Planck Society;

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Loerke,  J.
Research Group Marlow, Max-Planck-Institut für Kohlenforschung, Max Planck Society;
Research Group Marlow, Max-Planck-Institut für Kohlenforschung, Max Planck Society;

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Marlow,  F.
Research Group Marlow, Max-Planck-Institut für Kohlenforschung, Max Planck Society;
Research Group Marlow, Max-Planck-Institut für Kohlenforschung, Max Planck Society;

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Schüth,  F.
Research Department Schüth, Max-Planck-Institut für Kohlenforschung, Max Planck Society;
Research Department Schüth, Max-Planck-Institut für Kohlenforschung, Max Planck Society;
Research Department Schüth, Max-Planck-Institut für Kohlenforschung, Max Planck Society;

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Citation

Weiß, Ö., Loerke, J., Wüstefeld, U., Marlow, F., & Schüth, F. (2002). Host-guest interactions and laser activity in AlPO4-5/laser dye composites. Journal of Solid State Chemistry, 167(2), 302-309. doi:10.1006/jssc.2002.9648.


Cite as: http://hdl.handle.net/11858/00-001M-0000-000F-99A0-2
Abstract
In situ inclusion of the laser dyes coumarin 466, coumarin 7, pyridine 2 and DCM has been conducted successfully in AlPO4-5 crystals. The charged molecule pyridine 2 interacts with the framework and leads to bundle-like morphologies with increasing dye content. Uncharged molecules (DCM, coumarin 7, coumarin 466) are included, although corresponding molecular dimensions are exceeding pore size. These dyes probably induce local defects in the pore walls of AlPO4-5 which are healed during crystal growth leading to well-developed hexagonal prisms. Spectroscopic studies show interactions of the dyes with the solid-state matrix which are reflected by shifts of absorption and emission maxima of the dyes. For the first time, laser activity is demonstrated on a perfect hexagonal single AlPO4- 5/DCM crystal. (C) 2002 Elsevier Science (USA).