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Title: Steady-state and time-resolved spectroscopy of a self-assembled cyanine dye multilayer
Authors: Rousseau, Els ×
Van der Auweraer, Mark
De Schryver, Frans #
Issue Date: Jan-2000
Publisher: Amer chemical soc
Series Title: Langmuir vol:16 issue:23 pages:8865-8870
Abstract: Ultrathin organic multilayers, consisting of polyelectrolytes and J-aggregates of a cyanine dye, were obtained using the layer by layer alternate adsorption technique. Buildup of the multilayer is followed by UV-vis absorption spectroscopy. The fluorescence properties of the J-aggregates are studied by steady-state fluorescence spectroscopy and picosecond fluorescence decay measurements. Fluorescence of the cyanine dye, when adsorbed on the substrate, results in a narrow emission band with a small Stokes shift which is characteristic for J-aggregate emission. Time-resolved fluorescence measurements yield a very short average decay time, which can be attributed to the J-aggregates. These results describing the fluorescence properties of multilayer assemblies containing J-aggregates allow on to compare them to those of J-aggregates of the cyanine dye in solution.
URI: 
ISSN: 0743-7463
Publication status: published
KU Leuven publication type: IT
Appears in Collections:Chemistry - miscellaneous
Molecular Imaging and Photonics
× corresponding author
# (joint) last author

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