

Optical properties of sol-gel materials doped with ethyl 2-(7-hydroxy-2-oxo-2H-chromen-4-yl) acetate
Gyulyay Ahmed (1,*)



(1) Department of Physical Chemistry, University of Sofia, Sofia, BG-1164, Bulgaria
(2) Department of Organic Chemistry, University of Sofia, Sofia, BG-1164, Bulgaria
(3) Department of Physical Chemistry, University of Sofia, Sofia, BG-1164, Bulgaria
(*) Corresponding Author
Received: 26 Jun 2010 | Revised: 27 Oct 2010 | Accepted: 01 Oct 2010 | Published: 22 Dec 2010 | Issue Date: December 2010
Abstract
Transparent sol-gel glassy monoliths doped with coumarin molecules [ethyl 2-(7-hydroxy-2-oxo-2H-chromen-4-yl) acetate] displaying a strong blue luminescence are characterized by optical spectroscopy, X-Ray diffraction, SEM and TG/FT-IR spectroscopy. The UV/Vis, luminescence and excitation spectra of the doped sol-gel materials and of ethanol solutions of coumarin are discussed. The coumarin optical spectra are used as a probe for incorporation in the gel structure.
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European Journal of Chemistry
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DOI: 10.5155/eurjchem.1.4.259-261.187
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Funding information
Bulgarian National Science Fund, Grants DO-02-82/2008 - UNION (G.A) and DTK 02-26/ 2009
Citations
[1]. Nina Petkova, Stoyan Gutzov, Nedyalko Lesev, Stefka Kaloyanova, Stanimir Stoyanov, Todor Deligeorgiev
Preparation and optical properties of silica gels doped with a new Eu(III) complex
Optical Materials 33(11), 1715, 2011
DOI: 10.1016/j.optmat.2011.05.033

[2]. S. Ramukutty, E. Ramachandran
Growth, spectral and thermal studies of ibuprofen crystals
Crystal Research and Technology 47(1), 31, 2012
DOI: 10.1002/crat.201100394

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DOI Link: https://doi.org/10.5155/eurjchem.1.4.259-261.187

















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