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Liganded silver and gold quantum clusters. Towards a new class of nonlinear optical nanomaterials (Paperback, 1st ed. 2018)
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Liganded silver and gold quantum clusters. Towards a new class of nonlinear optical nanomaterials (Paperback, 1st ed. 2018)
Series: SpringerBriefs in Materials
Expected to ship within 10 - 15 working days
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Metallic quantum clusters belonging to intermediate size regime
between two and few hundred of atoms, represent unique building
blocks of new materials. Nonlinear optical (NLO) characteristics of
liganded silver and gold quantum clusters reveal remarkable
features which can be tuned by size, structure and composition. The
two-photon absorption cross sections of liganded noble metal
quantum clusters are several orders of magnitude larger than that
of commercially-available dyes. Therefore, the fundamental
photophysical understanding of those two-photon processes in
liganded clusters with few metal atoms deserve special attention,
in particularly in context of finding the mechanisms responsible
for these properties. A broad range of state-of-the-art
experimental methods to determine nonlinear optical properties
(i.e. two-photon absorption, two-photon excited fluorescence and
second harmonic generation) of quantum clusters are presented. The
experimental setup and underlying physical concepts are described.
Furthermore, the theoretical models and corresponding approaches
are used allowing to explain the experimental observations and
simultaneously offering the possibility to deduce the key factors
necessary to design new classes of nanoclusters with large NLO
properties. Additionally, selected studied cases of liganded silver
and gold quantum clusters with focus on their NLO properties will
be presented as promising candidates for applications in imaging
techniques such as fluorescence microscopy or Second-Harmonic
Generation microscopy.
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