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Phosphorus-based chromophores: Emitters for OLEDs

Abstract : In this paper, we present the development of white OLEDs (WOLEDs) using organophosphorus derivatives as fluorescent emitters. The structural changes that we have performed on and around the phosphole ring (functionalization of the phosphorus atom, nature of the substituents at the 2 and 5 position) allow the ability to tune the emission wavelengths and the color emitted by the OLEDs. Using this concept, we developed organophosphorus dopants emitting orange light, which can be mixed with a blue emitting matrix for the development of WOLEDs. The OLEDs structure allows the development of flexible OLEDs with good performance and CIE coordinates which are independent from the current density.
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Matthew P. Duffy, Pierre-Antoine Bouit, Bernard Geffroy, Denis Tondelier, Muriel Hissler. Phosphorus-based chromophores: Emitters for OLEDs. Phosphorus, Sulfur, and Silicon and the Related Elements, Taylor & Francis, 2015, 190 (5-6), pp.845-853. ⟨10.1080/10426507.2014.980414⟩. ⟨hal-01100663⟩



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