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Impact Excitation by Hot Carriers in Carbon Nanotubes by Perebeinos, Vasili; Avouris, Phaedon is a scholarly article available to read on EtoBox.

What is Impact Excitation by Hot Carriers in Carbon Nanotubes about?

We investigate theoretically the efficiency of intra-molecular hot carrier induced impact ionization and excitation processes in carbon nanotubes. The electron confinement and reduced screening lead to drastically enhanced excitation efficiencies over those in bulk materials. Strong excitonic coupling favors neutral excitations over ionization, while the impact mechanism populates a different set of states than that produced by photoexcitation. The excitation rate is strongly affected by optical phonon excitation and a simple scaling of the rate with the field strength and optical phonon temperature is obtained.

Author

Perebeinos, Vasili; Avouris, Phaedon

Published

2006

Language

EN