| abstract |
An aspect of the present invention provides the dibenzothiophene compound expressed by General Formula 1 in Claim 1 . In General Formula 1, R 1 is either a hydrogen atom or an unsubstituted phenyl group, and Ar 1 is any of phenanthrenyl, fluorenyl, triphenylenyl, naphthyl, chrysenyl, and pyrenyl groups. The options for the Ar 1 substituents, namely the phenanthrenyl, fluorenyl, triphenylenyl, naphthyl, chrysenyl, and pyrenyl groups, may contain at least one of an alkyl group having one to four carbon atoms and an aryl group as a substituent. |