Synthesis, Electronic Properties and OLED Devices of Chromophores Based on $\lambda ^5$‐Phosphinines

Gregor Pfeifer; Faouzi Chahdoura; Martin Papke; Manuela Weber; Rozsa Szücs; Bernard Geffroy; Denis Tondelier; László Nyulászi; Muriel Hissler; Christian Müller

doi:10.1002/chem.202000932

Journal articles

Synthesis, Electronic Properties and OLED Devices of Chromophores Based on $\lambda ^5$‐Phosphinines

Gregor Pfeifer ¹ Faouzi Chahdoura ² Martin Papke ¹ Manuela Weber ¹ Rozsa Szücs ³ Bernard Geffroy ^{4, 5} Denis Tondelier ⁴ László Nyulászi ^{3, *} Muriel Hissler ^{2, *} Christian Müller ^{1, *}

* Corresponding author

1 Freie Universität Berlin

2 ISCR - Institut des Sciences Chimiques de Rennes

3 BME - Budapest University of Technology and Economics [Budapest]

4 LPICM - Laboratoire de physique des interfaces et des couches minces [Palaiseau]

5 LICSEN - Laboratoire Innovation en Chimie des Surfaces et NanoSciences

NIMBE UMR 3685 - Nanosciences et Innovation pour les Matériaux, la Biomédecine et l'Energie (ex SIS2M)

Abstract : A new series of 2,4,6-triaryl-λ -phosphinines have been synthesized that contain different substituents both on the carbon backbone and the phosphorus atom of the six-membered heterocycle. Their optical and redox properties were studied in detail, supported by in-depth theoretical calculations. The modularity of the synthetic strategy allowed the establishment of structure-property relationships for this class of compounds and an OLED based on a blue phosphinine emitter could be developed for the first time.

Keywords : phosphinine OLED heterocycles DFT calculations pi-systems

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Chemical Sciences / Material chemistry

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Synthesis, Electronic Properties and OLED Devices of Chromophores Based on $\lambda ^5$‐Phosphinines

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