Blue-shifted plasmon resonance of individual size-selected gold nanoparticles |
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| Authors: | S Palomba L Novotny |
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| Institution: | a Nanoscale Physics Research Laboratory, School of Physics and Astronomy, The University of Birmingham, Birmingham B15 2TT, UK
b Institute of Optics, University of Rochester, Rochester, NY 14627, USA |
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| Abstract: | The future implementation of integrated photonic devices requires the creation of nanostructures with well defined morphological and optical properties. To this end, we deposited size-selected gold nanoparticles produced by a gas phase aggregation cluster source on transparent substrates at room temperature with controlled impact energy. Interferometric optical detection measurements using a supercontinuum laser source demonstrated a blue-shifted plasmon resonance at the single particle level. The blue shift was observed to be more pronounced for small single clusters down to 3 nm in size. |
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