Author/Authors :
Akasaka، نويسنده , , Takeshi and Okubo، نويسنده , , Shingo and Kondo، نويسنده , , Masahiro and Maeda، نويسنده , , Yutaka and Wakahara، نويسنده , , Takatsugu and Kato، نويسنده , , Tatsuhisa and Suzuki، نويسنده , , Toshiyasu and Yamamoto، نويسنده , , Kazunori and Kobayashi، نويسنده , , Kaoru and Nagase، نويسنده , , Shigeru، نويسنده ,
Abstract :
The second isomer of Pr@C82 (Pr@C82-II) has been isolated by a two-step HPLC method, separately from the known major isomer (Pr@C82-I). Visible and near-IR absorption spectra, as well as cyclic and differential pulse voltammograms show that the characteristic features of Pr@C82-II are significantly different from those of Pr@C82-I. The absorption peaks of Pr@C82-II have blue-shifts and the redox potentials have negative shifts, relative to those of Pr@C82-I. Chemical derivatization of both isomers with disilirane have also been achieved.
