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The change of the state of an endohedral fullerene by encapsulation into SWCNT:: A Raman spectroelectrochemical study of Dy3N@C80 peapods

被引：18
作者：
Kalbac, Martin
Kavan, Ladislav
Zukalova, Marketa
Yang, Shangfeng
Cech, Jiri
Roth, Siegmar
Dunsch, Lothar
机构：
[1] Acad Sci Czech Republic, J Heyrovsky Inst Phys Chem vvi, CR-18223 Prague 8, Czech Republic
[2] Leibniz Inst Solid State & Mat Res, D-01069 Dresden, Germany
[3] Max Planck Inst Solid State Res, D-70569 Stuttgart, Germany
[4] Lehigh Univ, Dept Mat Sci & Engn, Bethlehem, PA 18015 USA
来源：
CHEMISTRY-A EUROPEAN JOURNAL | 2007年 / 13卷 / 31期
关键词：
dysprosium; electrochemistry; fullerenes; nanotubes; Raman spectroscopy;
D O I：
10.1002/chem.200700089
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
Raman and in situ Raman spectroelectrochemical studies of Dy(3)N@C(80)@SWCNT peapods have been carried out for the first time. The formation of peapods by the encapsulation of gaseous Dy(3)N@C(80) has been confirmed by HR-TEM microscopy and by the successful transformation of Dy(3)N@C(80)@SWCNT into double-walled carbon nanotubes. The Raman spectra of the endohedral fullerene cluster changed dramatically in the interior of the single-walled carbon nano-tube (SWCNT). The electrochemical charging of the peapod indicates a slight reversible attenuation of the Raman intensities of fullerene features during anodic doping. The results support the assignment of Raman bands to the Dy(3)N@C(80) moiety inside a SWCNT.
引用
收藏
页码：8811 / 8817
页数：7
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