Title :
Ultrafast dynamics of individual air-suspended single-walled carbon nanotubes
Author :
Xiao, Y.-F. ; Wilson, M.W.B. ; Nhan, T.Q. ; Fraser, James M.
Author_Institution :
Dept. of Phys., Queen´´s Univ., Kingston, ON
Abstract :
The photoluminescence lifetime of individual, air-suspended carbon nanotubes was measured to be 57 plusmn 7 ps using femtosecond excitation correlation spectroscopy. With an excitation spot size larger than the nanotube, photoluminescence approaches a definite saturation limit.
Keywords :
carbon nanotubes; high-speed optical techniques; photoluminescence; air suspended carbon nanotubes; femtosecond excitation correlation spectroscopy; photoluminescence; single-walled carbon nanotubes; ultrafast dynamics; Carbon nanotubes; Excitons; Extraterrestrial measurements; Laser excitation; Optical films; Optical saturation; Photoluminescence; Physics; Pulse measurements; Ultrafast optics; (160.4236) Nanomaterials; (320.7130) Ultrafast processes in condensed matter, including semiconductors;
Conference_Titel :
Lasers and Electro-Optics, 2008 and 2008 Conference on Quantum Electronics and Laser Science. CLEO/QELS 2008. Conference on
Conference_Location :
San Jose, CA
Print_ISBN :
978-1-55752-859-9