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Circularly polarized luminescence under near-UV excitation and structural elucidation of a Eu complex†
Francesco Zinna,Sergio Abbate,Giovanna Longhi,Placido Mineo,Lorenzo Di Bari
Chemical Communications Pub Date : 06/12/2015 00:00:00 , DOI:10.1039/C5CC04283F
Abstract

A new chiral diketonate ligand based on carvone binds early lanthanides. The Eu complex displays high circularly polarized (glum = 0.82) red luminescence under near-UV excitation in the solid state. This is the first report on such CPL activity in the solid state with a rigorous protocol to exclude artifacts. Paramagnetic NMR spectroscopy revealed the nature and structure of the active species.

Graphical abstract: Circularly polarized luminescence under near-UV excitation and structural elucidation of a Eu complex
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