Ultrafast dynamics in unaligned MWCNTs decorated with metal nanoparticles.
Nanotechnology
; 27(23): 235704, 2016 Jun 10.
Article
em En
| MEDLINE
| ID: mdl-27146216
The relaxation dynamics of unaligned multi-walled carbon nanotubes decorated with metallic nanoparticles have been studied by using transient optical measurements. The fast dynamics due to the short-lived free-charge carriers excited by the pump are not affected by the presence of nanoparticles. Conversely, a second long dynamics, absent in bare carbon nanotubes, appears only in the decorated samples. A combination of experiment and theory allows us to ascribe this long dynamics to relaxation channels involving electronic states localized at the tube-nanoparticle interface.
Texto completo:
1
Coleções:
01-internacional
Base de dados:
MEDLINE
Idioma:
En
Revista:
Nanotechnology
Ano de publicação:
2016
Tipo de documento:
Article
País de afiliação:
Itália
País de publicação:
Reino Unido