Journal
SCRIPTA MATERIALIA
Volume 63, Issue 12, Pages 1193-1196Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.scriptamat.2010.08.037
Keywords
Nanoshells; Nanostructured materials; Metal and alloys; Optical properties; Simulation
Categories
Funding
- Natural Science Foundation of China [61008043, 10874134]
- National Program on Key Science Research [2011CB922201, 2007CB935300]
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We present a combination of experiments and theoretical simulations to investigate the optical response of Au/Ag alloyed hollow nanoshells. The results show that two distinct plasmon resonances corresponding to the dipolar and quadrupolar modes appear in the extinction spectra of nanoshells. As the thickness of the shell decreases the multiple modes consistently red shift and the resonant intensity increases. The results are validated by the calculated electric field distribution of nanoshells. (c) 2010 Acta Materialia Inc. Published by Elsevier Ltd. All rights reserved.
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