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Updated: Feb 6, 2026

Synthesis of Near-Infrared Emitting Gold Nanoclusters for Biological Applications
Published on: March 22, 2020
Energy transfer between Eu3+ and Nd3+ in near-infrared emitting β-triketonate coordination polymers
Laura Abad Galán1, Alexandre N Sobolev2, Brian W Skelton3
1School of Life and Molecular Science and Curtin Institute for Functional Molecules and Interfaces, Curtin University, Kent Street, Bentley 6102, WA, Australia. m.massi@curtin.edu.au m.ogden@curtin.edu.au and Organic Semiconductor Centre, EaStCHEM School of Chemistry, University of St Andrews, St Andrews, Fife KY16 9ST, UK. eli.zysman-colman@st-andrews.ac.uk.
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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