Quantum chemistry-based interpretations on the lowest triplet state of luminescent lanthanides complexes. Part 1. Relation between the triplet state energy of …

F Gutierrez, C Tedeschi, L Maron, JP Daudey…

Index: Gutierrez, Fabien; Tedeschi, Christine; Maron, Laurent; Daudey, Jean-Pierre; Poteau, Romuald; Azema, Joelle; Tisnes, Pierre; Picard, Claude Dalton Transactions, 2004 , # 9 p. 1334 - 1347

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Citation Number: 55

Abstract

In this paper, we evaluate the potential use of theoretical calculations to obtain an energy scale of the lowest ligand-centred triplet excited state in luminescent terbium (III) complexes. In these complexes, non-radiative deactivation of the terbium emitting state via a back- energy transfer process (T1← Tb (5D4)) is a common quenching process. Consequently the prediction of the energy gap between these two excited states should be useful for ...

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