Unleashing the potential of novel deep-blue 2-coordinate Au TADF complexes with short radiative lifetimes as emitters in OLEDs

Jonas Schaab; Collin N. Muniz; Anton Razgoniaev; Peter I. Djurovich; Mark E. Thompson

doi:10.1117/12.2686922

1 October 2023 Unleashing the potential of novel deep-blue 2-coordinate Au TADF complexes with short radiative lifetimes as emitters in OLEDs

Jonas Schaab, Collin N. Muniz, Anton Razgoniaev, Peter I. Djurovich, Mark E. Thompson

Author Affiliations +

Proceedings Volume 12659, Organic and Hybrid Light Emitting Materials and Devices XXVII; 126590A (2023) https://doi.org/10.1117/12.2686922
Event: SPIE Organic Photonics + Electronics, 2023, San Diego, California, United States

Conference Poster

Abstract

We present a model for designing highly efficient luminescent carbene-Gold-amide complexes, utilizing thermally activated delayed fluorescence (TADF) to achieve very high radiative rates. By extending the π-system of the carbene and amide ligands, blue-emissive complexes with photoluminescence efficiencies (ΦPL > 0.95) and fast radiative rates (kr = 4 × 106 s-1) can be created. Our compounds offer a general design approach for such complexes, minimizing the energy difference between singlet and triplet states (ΔEST) while maintaining high singlet radiative rates. These emitters are well-suited for OLED devices, and we demonstrate their suitability, exploring their effects on device stability and roll-off. Our studies reveal deep blue OLEDs, utilizing novel host materials tailored to the 2-coordinate TADF emitters.

(2023) Published by SPIE. Downloading of the abstract is permitted for personal use only.

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Jonas Schaab, Collin N. Muniz, Anton Razgoniaev, Peter I. Djurovich, and Mark E. Thompson "Unleashing the potential of novel deep-blue 2-coordinate Au TADF complexes with short radiative lifetimes as emitters in OLEDs", Proc. SPIE 12659, Organic and Hybrid Light Emitting Materials and Devices XXVII, 126590A (1 October 2023); https://doi.org/10.1117/12.2686922

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