title: Bismuth Complexes in Phenylazomethine Dendrimers: Controllable Luminescence and Emission in the Solid State.
abstract: Dendritic phosphors were obtained by the stepwise integration of BiCl3in phenylazomethine dendrimers. The bismuth-coordinated phenylazomethines displayed photoluminescence at 500-800 nm, and the intensity could be tuned by changing the stoichiometry of BiCl3and the dendrimer. This phosphor did not show serious luminescence quenching even though the local concentration of BiCl3in the dendrimer was as high as 20 M, and luminescence was also observed in the solid state. The absorption and emission properties could be reversibly switched by addition of a Lewis base or under electrochemical redox control, which induced the reversible complexation of BiCl3in the dendrimer.
authors.affiliation: Laboratory for Chemistry and Life Science, Tokyo Institute of Technology, 4259 Nagatsuta Midori-ku, Yokohama, 226-8503, Japan.|ERATO Japan Science and Technology (JST), 4259 Nagatsuta Midori-ku, Yokohama, 226-8503, Japan.
authors.forename: Tetsuya
authors.initials: T
authors.lastname: Kambe
authors.affiliation: Laboratory for Chemistry and Life Science, Tokyo Institute of Technology, 4259 Nagatsuta Midori-ku, Yokohama, 226-8503, Japan.
authors.forename: Aiko
authors.initials: A
authors.lastname: Watanabe
authors.affiliation: Laboratory for Chemistry and Life Science, Tokyo Institute of Technology, 4259 Nagatsuta Midori-ku, Yokohama, 226-8503, Japan.|ERATO Japan Science and Technology (JST), 4259 Nagatsuta Midori-ku, Yokohama, 226-8503, Japan.
authors.forename: Takane
authors.initials: T
authors.lastname: Imaoka
authors.affiliation: Laboratory for Chemistry and Life Science, Tokyo Institute of Technology, 4259 Nagatsuta Midori-ku, Yokohama, 226-8503, Japan. yamamoto@res.titech.ac.jp.|ERATO Japan Science and Technology (JST), 4259 Nagatsuta Midori-ku, Yokohama, 226-8503, Japan. yamamoto@res.titech.ac.jp.
authors.forename: Kimihisa
authors.initials: K
authors.lastname: Yamamoto
keywords: bismuth; dendrimers; luminescence; optical properties; supramolecular chemistry