Berlin 2018 – wissenschaftliches Programm
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CPP: Fachverband Chemische Physik und Polymerphysik
CPP 29: Nanostructures, Nanostructuring and Nanosized Soft Matter I
CPP 29.6: Vortrag
Dienstag, 13. März 2018, 12:30–12:45, C 230
From Single Particles to Coupled Plasmonic Systems — •Martin Mayer1,2, Pavel Potapov3, Anja Maria Steiner1,2, Axel Lubk3, Tobias A.F. König1,2, and Andreas Fery1,2,4 — 1Leibniz-Institut für Polymerforschung Dresden e.V., Germany — 2Center for Advancing Electronics Dresden, Germany — 3Leibniz-Institut für Festkörper- und Werkstoffforschung, Dresden, Germany — 4Department of Physical Chemistry of Polymeric Materials, TU Dresden, Germany
Despite being often considered as analogous plasmonic antennas, the behavior upon elongation as well as the nature of the near-field plasmonics of nanowires and coupled particle chains differ drastically. While nanowires shift linearly with elongation and build up standing surface charge waves, particle chains (plasmonic polymers) converge to a specific energy (infinite chain limit) at relatively few particles and the resulting near-field plasmonics is dominated by the formation of an energy band.
By exploiting wet-chemical synthesis under living reaction conditions and template-assisted colloidal self-assembly, respectively, we compare the far-field (UV-vis-NIR) and near-field (EELS) behavior of these systems with the support of electromagnetic simulations.
M. Mayer et al., Nano Lett., 2015, 15, 5427–5437.
M. Mayer et al., Angew. Chem., 2017, DOI: 10.1002/anie.201708398.
A.M. Steiner et al., ACS Nano, 2017, 11, 8871–8880.