Iridium complex compound, composition containing the compound and solvent, organic electroluminescent element containing the compound, display device, and illumination device
Abstract:
Provided is an iridium complex compound represented by formula (1) below. Ir is an iridium atom. L is a bidentate ligand. A ring Cy1 is an aromatic or heteroaromatic ring including carbon atoms C1 and C2. A ring Cy2 is a heteroaromatic ring including a carbon atom C3 and a nitrogen atom N1. R1 and R2 are each a hydrogen atom or a substituent. a and b are maximum integer numbers of possible substituents on the ring Cy1 and the ring Cy2, respectively. m is 1 to 3, n is 0 to 2, and m+n=3. At least one R1 is represented by formula (2) below. R5 to R11 are each a hydrogen atom or a substituent. Rxl and RX2 are each an alkyl group or an aralkyl group.
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