European Journal of Chemistry 2010, 1(4), 259-261 | doi: https://doi.org/10.5155/eurjchem.1.4.259-261.187 | Get rights and content






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


Gyulyay Ahmed (1,*) , Ivan Petkov (2) , Stoyan Gutzov (3)

(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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Keywords


Coumarin; Optical spectroscopy; Sol-gel method

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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

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[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
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[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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How to cite


Ahmed, G.; Petkov, I.; Gutzov, S. Eur. J. Chem. 2010, 1(4), 259-261. doi:10.5155/eurjchem.1.4.259-261.187
Ahmed, G.; Petkov, I.; Gutzov, S. Optical properties of sol-gel materials doped with ethyl 2-(7-hydroxy-2-oxo-2H-chromen-4-yl) acetate. Eur. J. Chem. 2010, 1(4), 259-261. doi:10.5155/eurjchem.1.4.259-261.187
Ahmed, G., Petkov, I., & Gutzov, S. (2010). Optical properties of sol-gel materials doped with ethyl 2-(7-hydroxy-2-oxo-2H-chromen-4-yl) acetate. European Journal of Chemistry, 1(4), 259-261. doi:10.5155/eurjchem.1.4.259-261.187
Ahmed, Gyulyay, Ivan Petkov, & Stoyan Gutzov. "Optical properties of sol-gel materials doped with ethyl 2-(7-hydroxy-2-oxo-2H-chromen-4-yl) acetate." European Journal of Chemistry [Online], 1.4 (2010): 259-261. Web. 22 Oct. 2020
Ahmed, Gyulyay, Petkov, Ivan, AND Gutzov, Stoyan. "Optical properties of sol-gel materials doped with ethyl 2-(7-hydroxy-2-oxo-2H-chromen-4-yl) acetate" European Journal of Chemistry [Online], Volume 1 Number 4 (22 December 2010)

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

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