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

revised on 12.06.2018, 07:54 and posted on 12.06.2018, 13:29 by Laura Abad Galán, Alexandre Sobolev, Brian Skelton, Eli Zysman-Colman, Mark Ogden, Massimiliano Massi
Isomorphousβ-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 long lifetimes and relatively 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 coordination complex or polymer.


DP17010189 EP/M02105X/1 FT1301000033


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Curtin University



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Version Notes

Updated manuscript to clarify the photophysical behaviour of the Eu/Nd systems, and other minor corrections. Change of title to emphasise focus of the paper.