Organic light-emitting diodes (OLEDs) have important applications in the field of next-generation displays and lighting,and phosphorescent iridium complexes are an important class of electroluminescent phosphorescent materials. In this paper,Ir(bmppy)3,tris(4-methyl-2,5-diphenylpyridine)iridium,was synthesized and elvaluted for photo-physical characteristics. Single crystals suitale for X-ray diffraction (XRD) were grown from a mixture solvent of dichloromethane and absolute ethanol. The composition and structur of Ir(bmppy)3 were determined by element analysis,NMR spectra and XRD. The complex crystallizes in the monoclinic symmetry with the space group P21/c with a slightly distorted octahedral configuration. As measured by UV-Visible and photoluminescence spectra,Ir(bmppy)3 displays a maximum emission at at 527 nm at ambient temperature,a typical green-emitting profile. The complex has potential for application in the OLED industry.