A substance having a hole-transport property and a wide band gap is provided. A fluorene compound represented by a general formula (G1) is provided. In the general formula (G1), α1 and α2 separately represent a substituted or unsubstituted arylene group having 6 to 13 carbon atoms; Ar1 represents a substituted or unsubstituted aryl group having 6 to 18 carbon atoms, a substituted or unsubstituted 4-dibenzothiophenyl group, or a substituted or unsubstituted 4-dibenzofuranyl group; n and k separately represent 0 or 1; Q1 represents sulfur or oxygen; and R1 to R15 separately represent hydrogen, an alkyl group having 1 to 12 carbon atoms, or an aryl group having 6 to 14 carbon atoms.
提供了一种具有空穴传输性和宽带隙的物质。提供了一种由一般式(G1)表示的
芴化合物。在一般式(G1)中,α1和α2分别表示具有6到13个碳原子的取代或未取代芳基烃基;Ar1表示具有6到18个碳原子的取代或未取代芳基基团、取代或未取代的4-二苯并
硫或取代或未取代的4-二苯并呋基团;n和k分别表示0或1;Q1表示
硫或氧;R1到R15分别表示氢、具有1到12个碳原子的烷基或具有6到14个碳原子的芳基。