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Title: Highly fluorinated erbium(III) complexes for emission in the C-band
Authors: Martín-Ramos, P. 
Ramos Silva, M. 
Lahoz, F. 
Martín, I. R. 
Chamorro-Posada, P. 
Eusebio, M. E. S. 
Lavín, V. 
Martín-Gil, J. 
Keywords: Erbium(III); β-Diketonate; Fluorination; Near-infrared; C-band
Issue Date: 15-Oct-2014
Publisher: Elsevier
Citation: MARTÍN-RAMOS, P. [et. al] - Highly fluorinated erbium(III) complexes for emission in the C-band. "Journal of Photochemistry and Photobiology A: Chemistry". ISSN 1010-6030. Vol. 292 (2014) p. 16–25
Serial title, monograph or event: Journal of Photochemistry and Photobiology A: Chemistry
Volume: 292
Abstract: Two highly fluorinated Er3+ complexes with three 6,6,7,7,8,8,8-heptafluoro-2,2-dimethyl-3,5-octanedionate (fod) groups and either bipyridine (bipy) or bathophenantholine (bath) as the ancillary ligand emitting at the C-band (third communication window for fiber transmission) are presented. These complexes are the result of a design process aimed at decreasing the vibrational quenching from high frequency oscillators. The structure of [Er(fod)3(bipy)] has been elucidated by single-crystal X-ray diffraction, while Sparkle/PM6 and Sparkle/PM7 semi-empirical calculations have been used to model the ground state geometry for [Er(fod)3(bath)]. Photoluminescence studies confirm sensitization of the Er3+ ions by antenna effect, leading to NIR emission at 1.53 μm. This energy transfer proves to be more efficient for [Er(fod)3(bath)] as a result of the bulkier and more rigid structure of bath diimide. The good thermal stability of the materials up to over 200 °C allows envisaging their use in erbium-doped waveguides, NIR-OLEDs or other optoelectronic devices.
ISSN: 1010-6030
DOI: 10.1016/j.jphotochem.2014.07.008
Rights: openAccess
Appears in Collections:I&D CEMDRX - Artigos em Revistas Internacionais
FCTUC Química - Artigos em Revistas Internacionais

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