Organometallic complex, light-emitting element, light-emitting device, electronic device, and lighting device

摘要

An object is to provide a novel organometallic complex capable of emitting phosphorescence by using, as a ligand, an organic compound with which a variety of derivatives can be easily synthesized. Another object is to provide an organometallic complex having high heat resistance. Other objects are to provide a light-emitting element having high emission efficiency and to provide a light-emitting device, an electronic device, and a lighting device having reduced power consumption. Provided are an organometallic complex including a structure represented by the following General Formula (G1), and a light-emitting element, a light-emitting device, an electronic device, and a lighting device formed using the organometallic complex including the structure represented by the following General Formula (G1).;

主权项

1. A complex including a structure represented by Formula (G1), wherein: R1 represents any of an alkyl group having 1 to 4 carbon atoms, an alkoxy group having 1 to 4 carbon atoms, and an alkylthio group having 1 to 4 carbon atoms; R2 represents any of hydrogen, an alkyl group having 1 to 4 carbon atoms, an alkoxy group having 1 to 4 carbon atoms, and an alkylthio group having 1 to 4 carbon atoms; R3 represents hydrogen or an alkyl group having 1 to 4 carbon atoms; Ar1 represents a condensed aromatic hydrocarbon group having 10 to 13 carbon atoms, and Ar2 represents an aromatic hydrocarbon group having 6 to 13 carbon atoms; and M represents a Group 9 element or a Group 10 element.