| 摘要 |
PROBLEM TO BE SOLVED: To provide a substance having a hole-transport property and a wide band gap.SOLUTION: A ketone compound is represented by formula (G2), where α3 and α4 independently represent a substituted/unsubstituted C6-13 arylene group; Ar2 is a substituted/unsubstituted C7-18 aryl group, a substituted/unsubstituted 4-dibenzothiophenyl group, or a substituted/unsubstituted 4-dibenzofuranyl group; m is 0 or 1; X10 is Cl, Br or I.SELECTED DRAWING: None |
