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Highly efficient luminescent materials: Influence of the matrix on the photophysical properties of Eu(III) complex/polymer hybrids

Garcia-Torres, J, Bosch-Jimenez, P, Torralba-Calleja, E, Kennedy, M, Ahmed, H, Doran, J, Gutierrez-Tauste, D, Bautista, L and Della Pirriera, M (2014) Highly efficient luminescent materials: Influence of the matrix on the photophysical properties of Eu(III) complex/polymer hybrids Journal of Photochemistry and Photobiology A: Chemistry, 283. pp. 8-16.

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Abstract

Highly efficient luminescent materials based on the europium complex Eu(tta)3(phen) (tta = 2-thenoyltrifluoracetonato, Phen = 1,10-phenantroline) incorporated into different polymer matrixes (polyvinyl butyral, polysulfone and polyurethane) have been prepared. The photoluminescent hybrid films were prepared by solution mixing/drop casting which has been revealed as a very convenient method to prepare these polymeric materials because of the good homogeneous distribution of the Eu(III) complex into the polymer matrix. A detail analysis of the Fourier transform infrared spectra, UV/Vis spectra and photoluminescent properties is presented. These results agree with the conclusion that the polymer interact with the complex, act as antenna and transfer energy to the central Eu(III) ions. As a result of this interaction, the efficiencies of the doped films are dramatically enhanced (photoluminescence quantum yields in the range 58-86%) in comparison with that of the precursor complex. The luminescent Eu(tta)3(phen) complex-polymer hybrid materials developed in this study could be successfully applied in optical devices as polymer light-emitting diodes or active polymer optical fiber applications. © 2014 Elsevier B.V.

Item Type: Article
Authors :
NameEmailORCID
Garcia-Torres, JUNSPECIFIEDUNSPECIFIED
Bosch-Jimenez, PUNSPECIFIEDUNSPECIFIED
Torralba-Calleja, EUNSPECIFIEDUNSPECIFIED
Kennedy, MUNSPECIFIEDUNSPECIFIED
Ahmed, HUNSPECIFIEDUNSPECIFIED
Doran, JUNSPECIFIEDUNSPECIFIED
Gutierrez-Tauste, DUNSPECIFIEDUNSPECIFIED
Bautista, LUNSPECIFIEDUNSPECIFIED
Della Pirriera, MUNSPECIFIEDUNSPECIFIED
Date : 1 June 2014
Identification Number : https://doi.org/10.1016/j.jphotochem.2014.03.013
Depositing User : Symplectic Elements
Date Deposited : 17 May 2017 13:44
Last Modified : 17 May 2017 13:44
URI: http://epubs.surrey.ac.uk/id/eprint/840211

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