[This] charge transport material which comprises a compound expressed by the following formula has a high efficiency and drive durability after high-temperature storage and resists the occurrence of dark spots (X101 represents a sulfur atom or an oxygen atom; R101 and R102 represent each independently an alkyl group, an aryl group, a heteroaryl group, a fluorine atom, or a silyl group, and may further be substituted with these groups; n101 represents an integer from 0 to 11; n102 represents an integer from 0 to 7; a plurality of R101 and R102 [groups] may be the same or different; and L101 represents a single bond or a divalent linking group; however, one of R101, L101, and R102 includes a fluorine atom, a fluoroalkyl group, a cycloalkyl group, a cycloalkylene group, a silyl group, an alkylsilyl group, an arylsilyl group, or a silicon atom linking group.)
[该]电荷传输材料由下式表示的化合物组成,在高温储存后具有高效率和驱动耐久性,并且不会出现暗斑(X101 代表
硫原子或氧原子;R101 和 R102 各自独立地代表烷基、芳基、杂芳基、
氟原子或
硅基,并可进一步被这些基团取代;n101 代表 0 至 11 的整数;n102 代表 0 至 7 的整数;多个 R101 和 R102[基团]可以相同或不同;以及 L101 代表单键或二价连接基团;然而,R101、L101 和 R102 中的一个包括
氟原子、氟烷基、环烷基、环亚烷基、
硅烷基、烷基
硅烷基、芳基
硅烷基或
硅原子连接基团。)