| abstract |
Disclosed is a triphenylamine derivative represented by general formula (1): n n n n n n n n n n wherein R 1 , R 2 , R 3 , and R 5 each independently represent a hydrogen atom, a substituted or unsubstituted alkyl group, a substituted or unsubstituted alkoxy group, or a substituted or unsubstituted phenyl group, R 4 represents a hydrogen atom, a substituted or unsubstituted alkyl group, or a substituted or unsubstituted phenyl group, Ar represents a substituted or unsubstituted phenyl group, and m represents an integer of 1 to 3. |