| 摘要 |
Disclosed in the present invention, is a compound having a structure represented by chemical formula 1. In chemical formula 1, X is selected from the group consisting of O, S and Se; each of G^2 and G^3 is independently selected from the group consisting of benzene, biphenyl, fluorene, naphthalene, phenanthrene, triphenylene, dibenzofuran, dibenzothiophene, dibenzoselenophene, pyridine, pyrimidine, quinoline, isoquinoline, phenanthroline, azafluorene and a combination thereof; L is selected from the group consisting of phenyl, biphenyl, terphenyl, pyridine and a combination thereof; each of G^2, G^3 and L is optionally further substituted with at least one non-condensed substituent; each of R^1, R^2, R^3, R^4, R^5 and R^6 is a non-condensed substituent selected from the group consisting of hydrogen, deuterium, alkyl, alkoxyl, cycloalkyl, cycloalkoxyl, halogen, nitro, nitrile, silyl, benzene, biphenyl, terphenyl, pyridine and a combination thereof; and R^1 and R^2 may be optionally linked to each other to form a ring. In addition, disclosed in the present invention are a formulation comprising the compound of chemical formula I optionally with a supplementary host, and a device, such as an OLED, comprising the same. |
