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Issue 18, 2016
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A new record excited state 3MLCT lifetime for metalorganic iron(II) complexes

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Abstract

Herein we report the synthesis and time-resolved spectroscopic characterization of a homoleptic Fe(II) complex exhibiting a record 3MLCT lifetime of 26 ps promoted by benzimidazolylidene-based ligands. Time dependent density functional molecular modeling of the triplet excited state manifold clearly reveals that, at equilibrium geometries, the lowest 3MC state lies higher in energy than the lowest 3MLCT one. This unprecedented energetic reversal in a series of iron complexes, with the stabilization of the charge-transfer state, opens up new perspectives towards iron-made excitonic and photonic devices, hampering the deactivation of the excitation via metal centered channels.

Graphical abstract: A new record excited state 3MLCT lifetime for metalorganic iron(ii) complexes

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Publication details

The article was received on 01 Mar 2016, accepted on 05 Apr 2016 and first published on 05 Apr 2016


Article type: Paper
DOI: 10.1039/C6CP01418F
Citation: Phys. Chem. Chem. Phys., 2016,18, 12550-12556
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    A new record excited state 3MLCT lifetime for metalorganic iron(II) complexes

    L. Liu, T. Duchanois, T. Etienne, A. Monari, M. Beley, X. Assfeld, S. Haacke and P. C. Gros, Phys. Chem. Chem. Phys., 2016, 18, 12550
    DOI: 10.1039/C6CP01418F

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