The photoluminescnece lifetime of individual, air-suspended carbon nanotubes was measured to be 57±7 ps using femtosecond excitation correlation spectroscopy. With an excitation spot size larger than the nanotube, photoluminescence approaches a definite saturation limit.
© 2008 Optical Society of America
(160.0160) Materials : Materials
(320.0320) Ultrafast optics : Ultrafast optics
(320.7130) Ultrafast optics : Ultrafast processes in condensed matter, including semiconductors
(160.4236) Materials : Nanomaterials
Y. Xiao, M. W. Wilson, T. Q. Nhan, and J. M. Fraser, "Ultrafast Dynamics of Individual Air-Suspended Single-Walled Carbon Nanotubes," in Conference on Lasers and Electro-Optics/Quantum Electronics and Laser Science Conference and Photonic Applications Systems Technologies, OSA Technical Digest (CD) (Optical Society of America, 2008), paper JWA120.
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