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Energy Transfer Between Eu3+ and Nd3+ in Near-Infrared Emitting β-Triketonate Coordination Polymers

Abstract

Isomorphous β-triketonate-based lanthanoid polymers containing tris(4-methylbenzoyl)methanide (mtbm) and Rb+ with formula {[Ln(Rb)(mtbm)4]2}n (Ln = Eu3+ and Nd3+) have been synthesised and structurally characterised. The photophysical properties for the Nd3+ complex presented relatively long lifetimes and high quantum yields in comparison with analogous β-diketonate complexes. Mixed lanthanoid complexes were also formed and their luminescence properties studied, with effective sensitisation of the 4F3/2 of Nd3+ via the 5D0 of Eu3+, which is to the best of our knowledge the first example of Eu3+ to Nd3+ sensitisation in a structurally defined coordination complex or polymer.

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Publication details

The article was received on 19 Jun 2018, accepted on 20 Jul 2018 and first published on 20 Jul 2018


Article type: Paper
DOI: 10.1039/C8DT02499E
Citation: Dalton Trans., 2018, Accepted Manuscript
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    Energy Transfer Between Eu3+ and Nd3+ in Near-Infrared Emitting β-Triketonate Coordination Polymers

    L. Abad Galan, A. N. Sobolev, B. W. Skelton, E. Zysman-Colman, M. I. Ogden and M. Massi, Dalton Trans., 2018, Accepted Manuscript , DOI: 10.1039/C8DT02499E

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