Color tunable phosphorescent light-emitting diodes based on iridium complexes with substituted 2-phenylbenzothiozoles as the cyclometalated ligands

Synthesis and Characterization of Oxetane‐Functionalized Phosphorescent Ir(III)‐Complexes

“…In this way, high-efficiency multicolor devices can be achieved by charge-trapping and recombination on the emitter or transferring singlet states from suitable hosts to the triplet light-emitting states of the phosphorescent guests. [3][4][5][6] For the fabrication of OLEDs two approaches are currently in the focus, namely vapor-deposition of small molecules (SMOLEDs) and solution processing, mainly for polymer-based light-emitting devices (PLEDs). [7][8][9][10] Vapor deposition is a relatively costly process and is limited to small and thermally stable molecules.…”

High efficiency and stable-yellow phosphorescence from OLEDs with a novel fluorinated heteroleptic iridium complex

“…c o m / l o c a t e / o p t m a t further allow the optimization of carrier injection and the tuning of luminescent color [26]. Therefore, further modification of Ir-bt type complex with fluorination seems to be a wise choice to obtain OLEDs with improved device performances although some fluorinated Ir-bt type complexes have been used as highly emissive dopants in OLEDs [27][28][29][30][31].…”

A new cyclometalated rhenium(I) complex

“…For obvious reasons the non-ionic ''triplet emitters'' are particularly appealing. For instance, recently, the neutral Ir(III) chelates have been intensively studied [13][14][15][16][17][18][19][20][21][22][23][24]. In particular, it has been found that the ortho-cyclometalated Ir(III) complexes with the N \ C À ligands being, e.g., anions of the phenyl-substituted heteroaromatrics such as pyridine, oxazole and benzothiazole etc.…”

“…provide interesting strongly phosphorescent non-ionic materials. Some of them have already been demonstrated to be attractive for the electro (OLEDs) [13,[16][17][18][19][20][21] and the electrochemically generated luminescence (ECL) [22][23][24].The above-mentioned N \ C À ligands form stable chelates also with other transition metal ions including Pt(II) [25], Mn(I) [26] and Re(I) [27][28][29]. The present work deals with the physico-chemical properties of a new orthocyclometalated tetracarbonyl Re(I) chelate, the product of the reaction of 2-phenyl-benzothiazole (HUBT) with Re(CO) 5 Cl:…”

“…provide interesting strongly phosphorescent non-ionic materials. Some of them have already been demonstrated to be attractive for the electro (OLEDs) [13,[16][17][18][19][20][21] and the electrochemically generated luminescence (ECL) [22][23][24].…”