Abstract
Time-domain spectroscopic studies provide a unique perspective on the
materials properties and the microscopic processes underlying them in
carbon nanotubes. Ultrafast spectroscopy is used to study the dynamics
and kinetics of scattering and relaxation processes from the femtosecond
(1 fs equivalent to 10(-15) s) to the picosecond timescale. This
provides crucial information on carrier and exciton dynamics that
underpin a variety of potential applications of carbon nanotubes, from
their use as current-carrying quantum wires, through light-emitting or
detecting nanodevices, to their use in light-harvesting technologies and
photovoltaics. Background information on the ultrafast spectroscopic
techniques of greatest applicability to nanotubes is also provided.
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