Luminescent hybrid oxydiacetic/ethyleneglycol/TEOS/Eu(III) material: thermal and spectroscopic analysis

A luminescent hybrid organic–inorganic material was synthesized with the sol-gel technique by hydrolysis of tetraethoxysilane (TEOS) and an organic precursor obtained through the esterification of oda (oxydiacetic acid) and EG (ethyleneglycol) in acid media. The Eu(III) ion was included in the syste...

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Bibliographic Details
Published in:Journal of sol-gel science and technology 2010-06, Vol.54 (3), p.292-300
Main Authors: Marchi, M. Claudia, Aramendía, Pedro F., Barja, Beatriz C.
Format: Article
Language:English
Subjects:
Ceramics
Chemistry
Chemistry and Materials Science
Colloidal gels. Colloidal sols
Colloidal state and disperse state
Composites
Differential thermal analysis
Differential thermogravimetric analysis
Esterification
Exact sciences and technology
General and physical chemistry
Glass
Hydrolysis
Infrared analysis
Infrared spectroscopy
Inorganic Chemistry
Lanthanides
Ligands
Materials Science
Monitors
Nanotechnology
Natural Materials
Optical and Electronic Materials
Original Paper
Precursors
Scanning electron microscopy
Sol gel process
Sol-gel processes
Spectral emissivity
Structural analysis
Tetraethyl orthosilicate
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Summary:A luminescent hybrid organic–inorganic material was synthesized with the sol-gel technique by hydrolysis of tetraethoxysilane (TEOS) and an organic precursor obtained through the esterification of oda (oxydiacetic acid) and EG (ethyleneglycol) in acid media. The Eu(III) ion was included in the system to monitor the formation of the complex between the lanthanide and the ligand oda in the hybrid matrix. The spectral features of the emission of the Eu(III) ion together with the data obtained from infrared spectroscopy, thermogravimetric and differential thermal analysis, and scanning electron microscopy permit the structural characterization of the system and its comparison with a reference sample in which no organic moieties were hydrolyzed during the sol–gel process.
ISSN:0928-0707
1573-4846
DOI:10.1007/s10971-010-2193-x