Recommanded Product: 676525-77-2. The protonation of heteroatoms in aromatic heterocycles can be divided into two categories: lone pairs of electrons are in the aromatic ring conjugated system; and lone pairs of electrons do not participate. Compound: [Ir(dtbbpy)(ppy)2]PF6, is researched, Molecular C40H40F6IrN4P, CAS is 676525-77-2, about Stable Green Electroluminescence from an Iridium Tris-Heteroleptic Ionic Complex. Author is Tordera, Daniel; Delgado, Manuel; Orti, Enrique; Bolink, Henk J.; Frey, Julien; Nazeeruddin, Khaja Md.; Baranoff, Etienne.
An ionic tris-heteroleptic iridium complex gives green light-emitting electrochem. cells (LECs) with unprecedented performances for this part of the visible spectrum. The devices are very bright (>1000 cd m-2), efficient (∼3%), and stable (>55 h). The novel complex is prepared using a new and efficient synthetic procedure. We show that there is a mixed orbital formation originating from the two different orthometalating ligands resulting in photophys. properties that lie between those of its two bis-heteroleptic analogs. Therefore, tris-heteroleptic complexes provide new avenues for fine-tuning the emission properties and to bridge gaps between a series of bis-heteroleptic complexes.
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Reference:
Copper catalysis in organic synthesis – NCBI,
Special Issue “Fundamentals and Applications of Copper-Based Catalysts”