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Absorption and fluorescence spectroscopy of rhodamine 6G in titanium dioxide nanocomposites

Vogel, R, Meredith, P, Harvey, MD and Rubinsztein-Dunlop, H (2004) Absorption and fluorescence spectroscopy of rhodamine 6G in titanium dioxide nanocomposites. Spectrochimica Acta Part A-Molecular And Biomolecular Spectroscopy, 60 1-2: 245-249.


Author(s) Vogel, R
Meredith, P
Harvey, MD
Rubinsztein-Dunlop, H
Title Absorption and fluorescence spectroscopy of rhodamine 6G in titanium dioxide nanocomposites
Journal name Spectrochimica Acta Part A-Molecular And Biomolecular Spectroscopy
Publication date 2004
Volume number 60
Issue number 1-2
ISSN 1386-1425
Start page 245
End page 249
Total pages 5
Editor(s) J. Steinfeld
S. F. A. Kettle
Place of publication Netherlands
Publisher Pergamon-elsevier Science Ltd
Collection year 2004
Language eng
Subject C1
240202 Condensed Matter Physics - Structural Properties
780102 Physical sciences
Abstract A comparison has been made between the spectroscopic properties of the laser dye rhodamine 6G (R6G) in mesostructured titanium dioxide (TiO2) and in ethanol. Steady-state excitation and emission techniques have been used to probe the dye-matrix interactions. We show that the TiO2-nanocomposite studied is a good host for R6G, as it allows high dye concentrations, while keeping dye molecules isolated, and preventing aggregation. Our findings have important implications in the context of solid state dye-lasers and microphotonic device applications. (C) 2003 Elsevier B.V. All rights reserved.
Keyword(s) Spectroscopy
Photoluminescence
Laser-dyes
Thin Films
Mesoporous Materials
Titanium Dioxide
To-monomer Transformation
Soft Lithography
Aqueous-solution
Quantum Yield
Silica
Films
Association
Dyes
 
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