title: Synthesis and light-emitting characteristics of doughnut-shaped pi-electron systems.
authors.affiliation: Faculty of Science and Engineering, Kinki University, Higashi-Osaka, Osaka 577-8502, Japan. yamaguch@chem.kindai.ac.jp
authors.forename: Yoshihiro
authors.initials: Y
authors.lastname: Yamaguchi
authors.forename: Shigeya
authors.initials: S
authors.lastname: Kobayashi
authors.forename: Satoshi
authors.initials: S
authors.lastname: Miyamura
authors.forename: Yoshifumi
authors.initials: Y
authors.lastname: Okamoto
authors.forename: Tateaki
authors.initials: T
authors.lastname: Wakamiya
authors.forename: Yoshio
authors.initials: Y
authors.lastname: Matsubara
authors.forename: Zen-ichi
authors.initials: Z
authors.lastname: Yoshida