Excimer or aggregate? Near infrared electro- and photoluminescence from multimolecular excited states of N^C^N-coordinated platinum(<scp>ii</scp>) complexes
Piotr Pander, Amit Sil, Rebecca J. Salthouse, Christopher W. Harris, Melissa T. Walden, Dmitry S. Yufit, J. A. Gareth Williams, Fernando B. Dias
Abstract
Long wavelength (>800 nm) photoluminescence in films of Pt(N^C^N)Cl type complexes originates from aggregates of three to four units. Extremely thin neat emissive layers of 1–2 nm yield a high performance of near infrared OLEDs.
Topics & Concepts
PhotoluminescenceMaterials sciencePlatinumExcimerExcited stateInfraredWavelengthOLEDYield (engineering)Thin filmQuantum yieldIridiumPhotochemistryOptoelectronicsAnalytical Chemistry (journal)NanotechnologyOpticsFluorescenceLayer (electronics)Atomic physicsChemistryOrganic chemistryCatalysisComposite materialPhysicsOrganic Light-Emitting Diodes ResearchMolecular Junctions and NanostructuresLuminescence and Fluorescent Materials