To provide a novel carbazole compound that has an excellent carrier-transport property and can be used for a transport layer or as a host material in a light-emitting element. Further, to provide an organic semiconductor material and a material for a light-emitting element using the carbazole compound. A carbazole compound in which the 4-position of a dibenzothiophene skeleton or a dibenzofuran skeleton is substituted with the 2- or 3-position of a carbazole skeleton directly or via an arylene group can be synthesized. The carbazole compound is found to have a suitable carrier-transport property, a good film quality, and be used suitably as a material of a light-emitting element and an organic semicondcutor material. Note that nitrogen of the carbazole skeleton is substituted with any of a phenyl group, a biphenyl group, and a naphthyl group.
提供一种具有优异载流子传输性能的新型
咔唑化合物,可用于光电元件中的传输层或作为主体材料。此外,提供使用该
咔唑化合物的有机半导体材料和光电元件材料。可以合成一种
咔唑化合物,其中
二苯并噻吩骨架或
二苯并呋喃骨架的4位被
咔唑骨架的2位或3位直接或通过芳基基团取代。发现该
咔唑化合物具有适当的载流子传输性能、良好的膜质量,并适用于光电元件材料和有机半导体材料。请注意,
咔唑骨架的氮原子可被苯基、
联苯基和
萘基中的任何一个取代。