A novel substance capable of emitting phosphorescence is provided. An organometallic complex represented by General Fomulae (G3) or (G5). In the formulae, M represents iridium, platinum, palladium, or rhodium, R
1
represents a substituted or unsubstituted alkyl group having 1 to 6 carbon atoms, or a substituted or unsubstituted aryl group having 6 to 10 carbon atoms, and R
2
to R
7
separately represent hydrogen or a substituted or unsubstituted alkyl group having 1 to 6 carbon atoms.
提供了一种能够发出
磷光的新物质。该物质是由通式(G3)或(G5)所表示的有机
金属配合物。在通式中,M代表
铱、
铂、
钯或
铑,R1代表一个取代或未取代的有1至6个
碳原子的烷基团或有6至10个
碳原子的取代或未取代的芳基团,而R2至R7则分别代表
氢或一个取代或未取代的有1至6个
碳原子的烷基团。