Ultrafast Dynamics of Nonthermal Carriers Following Plasmonic and Interband Photoexcitation of 2D Arrays of Gold Nanoparticles
Patrick O’Keeffe,
Giuseppe Ammirati,
Daniele Catone
et al.
Abstract:High-energy
electrons and holes generated upon photoexcitation
of plasmonic nanostructures are particularly attractive, as their
excess energy can be potentially exploited for driving energetically
demanding processes. The study of the ultrafast dynamics of these
hot carriers is particularly relevant, as their successful harvesting
is strongly affected by their short lifetimes. In particular, the
dynamics of hot holes has not been completely explored, also due to
the lack of direct measurements of their lifeti… Show more
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