Embodiments of the invention are directed to luminescent gold(III) compounds contains a bidentate ligand with at least one strong σ-donating group, a method of preparation of these compounds and the use of these compounds in organic light emitting devices.. The gold (III) compounds have the chemical structure: Formular (I) wherein: X Is a nitrogen atom; Y is selected from a carbon or a nitrogen atom; A-B is a substituted or unsubstituted cyclometalating ligand (for Y=C) or diimine ligand (for Y=N); where A and B are cyclic structure derivatives; R 1and R2 are optionally substituted carbon donor ligands attached to the gold atom, with the proviso that R1 and R2 are not -CH3, -CH2SiMe3, mesityl, pentaflurophenyl, -CH2C(O)R', -CH(R)SO2CH(R)-, -C6H4N=NC6H5, and wherein R1 and R2 can optionally be combined into a bidentate ligand; and n is greater or equal to zero.
本发明的实施例涉及含有至少一个强σ-供体基团的双齿
配体的发光
金(III)化合物,以及制备这些化合物的方法和将这些化合物用于有机发光器件的用途。
金(III)化合物具有
化学结构:公式(I),其中:X是氮原子;Y选择自碳或氮原子;A-B是取代或未取代的环
金属
配体(Y=C)或二
亚胺配体(Y=N),其中A和B是环结构衍
生物;R1和R2是附着在
金原子上的可选取代碳供体
配体,但须注意R1和R2不是-
CH3、-CH2SiMe3、mesityl、pentaflurophenyl、-CH2C(O)R'、-CH(R)SO2CH(R)-、-
C6H4N=NC6H5,其中R1和R2可以选择性地结合成为双齿
配体;n大于或等于零。