Issue 78, 2016

Friend or foe? The role of solvents in non-triplet, intraligand charge transfer sensitization of lanthanide(iii) luminescence

Abstract

Sensitization of lanthanide luminescence in the visible and near infra-red (NIR) region was achieved via a non-triplet energy transfer pathway by long-wavelength excitation of an intraligand charge transfer (ILCT) band of a diethylamino-based ligand system. A comprehensive photophysical and solvatochromic study is conducted to evaluate the luminescence properties of our Eu(III), Sm(III) and Yb(III) complexes. The effects of solvent coordination and solvent quenching on lanthanide luminescence were studied in detail and efforts were also devoted into examining the ambiguous energy transfer mechanism of Yb(III) sensitization.

Graphical abstract: Friend or foe? The role of solvents in non-triplet, intraligand charge transfer sensitization of lanthanide(iii) luminescence

Supplementary files

Article information

Article type
Paper
Submitted
13 Jun 2016
Accepted
25 Jul 2016
First published
27 Jul 2016
This article is Open Access
Creative Commons BY-NC license

RSC Adv., 2016,6, 74100-74109

Friend or foe? The role of solvents in non-triplet, intraligand charge transfer sensitization of lanthanide(III) luminescence

W. Lo, W. Wong and G. Law, RSC Adv., 2016, 6, 74100 DOI: 10.1039/C6RA15365H

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