Single-component panchromatic white light generation, and tuneable excimer-like visible orange and NIR emission in a Dy quinolinolate complex

Dimitrije Mara, Luca Pilia, Maxim Van de Steen, IVANA MILETTO, Min Zeng, Kristof Van Hecke, Angela Serpe, Paola Deplano, Rik Van Deun, FLAVIA ARTIZZU

Research output: Contribution to journalArticlepeer-review

Abstract

Panchromatic single-component pure white light generation with a PLQY of similar to 14.5% is obtained from a dysprosium complex with the 5,7-dichloro-8-quinolinol ligand (HClQ) thanks to a peculiar orange-red excimer-like emission induced by pi-staking interactions between discrete dimeric units in the crystal packing. The emission color is highly tunable by phase change and mechanical stimuli. Remarkably, this compound also displays Dy-centered NIR emission at telecommunication wavelengths upon photoexcitation over an extraordinarily broad spectral range.
Original languageEnglish
Pages (from-to)15641-15648
Number of pages8
JournalJournal of Materials Chemistry C
Volume9
Issue number43
DOIs
Publication statusPublished - 2021

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