Exploring nitrogen-doped polycyclic aromatic hydrocarbons for high-performance OLEDs

https://phys.org/news/2022-06-exploring-nitrogen-doped-polycyclic-aromatic-hydrocarbons.html

"flexible, and their properties responsive to choice of electron-accepting group... can tune emission mechanism between thermally activated delayed fluorescence (TADF) and room temperature phosphorescence (RTP)... optical and electronic properties characterized... the emission spectra of N-doped PAHs in sets of conditions and measured energy levels... external quantum efficiencies (EQEs)... EQE of 12%"

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Researchers develop novel stackable hole injection layer material for solution-processed OLEDs

https://techxplore.com/news/2023-03-stackable-hole-layer-material-solution-processed.html