It is an object of the present invention to provide an organometallic complex which can increase recombination efficiency of electrons and holes. One aspect of the present invention is an organometallic complex having a structure represented by a general formula (1), wherein each of R1 and R2 is any of a halogen group, a —CF3 group, a cyano group, and an alkoxycarbonyl group, each of R3 and R4 is any of hydrogen and an alkyl group having 1 to 4 carbon atoms, and M is an element that belongs to Group 9 or 10 of the periodic table.
本发明的目的是提供一种有机
金属配合物,该配合物能够提高电子和空穴的复合效率。本发明的一个方面是一种有机
金属配合物,其具有由通式(1)表示的结构,其中R1和R2中的每一个都是卤素基团、—
CF3基团、
氰基团和烷
氧羰基基团中的任意一种,R3和R4中的每一个都是
氢原子和具有1至4个
碳原子的烷基基团中的任意一种,M是属于周期表第9或第10族元素的元素。