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Proceedings Paper

Light-controlled one-sided growth of large plasmonic gold domains on quantum rods observed on the single particle level
Author(s): Luigi Carbone; Arpad Jakab; Yuriy Khalavka; Carsten Sönnichsen
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Paper Abstract

We create large gold domains (up to 15 nm) exclusively on one side of CdS or CdSe/CdS quantum rods by photoreduction of gold ions under anaerobic conditions. Electrons generated in the semiconductor by UV stimulation migrate to one tip where they reduce gold ions. Large gold domains eventually form; these support efficient plasmon oscillations with a light scattering cross section large enough to visualize single hybrid particles in a dark-field microscope during growth in real time.

Paper Details

Date Published: 17 February 2010
PDF: 13 pages
Proc. SPIE 7575, Colloidal Quantum Dots for Biomedical Applications V, 757505 (17 February 2010); doi: 10.1117/12.847312
Show Author Affiliations
Luigi Carbone, Univ. of Mainz (Germany)
Arpad Jakab, Univ. of Mainz (Germany)
Yuriy Khalavka, Univ. of Mainz (Germany)
Carsten Sönnichsen, Univ. of Mainz (Germany)

Published in SPIE Proceedings Vol. 7575:
Colloidal Quantum Dots for Biomedical Applications V
Marek Osinski; Wolfgang J. Parak; Thomas M. Jovin M.D.; Kenji Yamamoto M.D., Editor(s)

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