There are provided an organic having both excellent hole transporting property and satisfactory electron transporting and showing excellent durability against electric oxidation/reduction and a high triplet excitation level, and a charge transporting material and an organic electroluminescent device each using the organic compound. The organic compound is represented by following Formula (I):
wherein Cz
1
and Cz
2
each represent a carbazolyl group; Z represents a direct bond or an arbitrary linkage group enabling the conjugation of nitrogen atoms in the carbazole rings of Cz
1
and Cz
2
with each other; and Q represents a direct bond connecting to “G” in following Formula (II):
wherein Ring B
1
represents a six-membered aromatic heterocyclic ring having “n” nitrogen atom(s) as hetero atom(s); “n” represents an integer of from 1 to 3; G represents a direct bond or an arbitrary linkage group connecting to Q when G connects to Q; Gs connect to carbon atoms at the ortho-position and the para-position with respect to nitrogen atom(s) in Ring B
1
; G represents an aromatic hydrocarbon group when G does not connect to Q; and “m” represents an integer of from 3 to 5.
提供了一种具有优异的空穴传输性能和令人满意的电子传输性能,并且表现出对电
氧化/还原的优异耐久性和高三重激发
水平的有机化合物,以及使用该有机化合物的电荷传输材料和有机电致发光器件。该有机化合物由以下式(I)表示:其中,Cz1和Cz2分别表示一个
咔唑基团;Z表示直接键或任意连接基团,使Cz1和Cz2的
咔唑环中的
氮原子共轭连接在一起;Q表示连接到以下式(II)中的“G”的直接键:其中,环B1表示具有“n”个
氮原子作为杂原子的六元芳香杂环;“n”表示从1到3的整数;G表示直接键或任意连接基团,当G连接到Q时;Gs连接到环B1中的
氮原子的邻位和对位的
碳原子上;当G未连接到Q时,G表示
芳香烃基团;“m”表示从3到5的整数。