GOKUS, Tobias; COGNET, Laurent; DUQUE, Juan G.; PASQUALI, Matteo; HARTSCHUH, A.; LOUNIS, Brahim

doi:10.1021/jp1049217

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GOKUS, Tobias
Department Chemie und Biochemie and CeNS

COGNET, Laurent
Centre de physique moléculaire optique et hertzienne [CPMOH]

DUQUE, Juan G.
Centre de physique moléculaire optique et hertzienne [CPMOH]
Physical Chemistry and Applied Spectroscopy
Department of Chemical and Biomolecular Engineering

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Journal of Physical Chemistry C. 2010-08-26, vol. 114, n° 33, p. 14025-14028

American Chemical Society

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We have studied the exciton recombination dynamics of individual (6,4) and (6,5) single-walled carbon nanotubes embedded in aqueous gels or deposited on glass surfaces. CoMoCat nanotubes systematically display short monoexponential photoluminescence (PL) decays presumably due to defects introduced during their synthesis. In contrast HiPco nanotubes can either display mono- or biexponential PL decays depending on the environmental conditions. Transition from bi- to monoexponential decays can be reproduced by a simple three level model taking into account defect-dependent nonradiative decay mechanisms.< Leer menos

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Mono- and Biexponential Luminescence Decays of Individual Single-Walled Carbon Nanotubes

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