Highly stable deep red-to-NIR OLEDs with an external quantum efficiency of 4.9% from room temperature nanostructured columnar fluids based on hetero atom <i>bay</i>-annulated perylene bisimides
Paresh Kumar Behera, Mangey Ram Nagar, Ravindra Kumar Gupta, Sibasankar Pradhan, D. S. Shankar Rao, S. Krishna Prasad, Luke The, Abhijeet Choudhury, Jwo‐Huei Jou, Ammathnadu S. Achalkumar
Abstract
A series of electron deficient perylene bisimides, bay-annulated with hetero atoms such as N, S, and Se exhibiting deep red to NIR electroluminescence with high EQE and room temperature columnar mesomorphism are reported.
Topics & Concepts
PeryleneMaterials scienceElectroluminescenceOLEDQuantum efficiencyAtom (system on chip)FluorescenceOptoelectronicsPhotochemistryNanotechnologyOpticsLayer (electronics)PhysicsChemistryEmbedded systemComputer scienceOrganic Electronics and PhotovoltaicsOrganic Light-Emitting Diodes ResearchConducting polymers and applications