Document Detail


Light scattering from 2D arrays of monodispersed Ag-nanoparticles separated by tunable nano-gaps: spectral evolution and analytical analysis of plasmonic coupling.
MedLine Citation:
PMID:  18825167     Owner:  NLM     Status:  MEDLINE    
Abstract/OtherAbstract:
Two dimensional arrays of monodispersed Ag-nanoparticles separated by different gaps with sub-10 nm precision are fabricated on anodic alumina substrates with self-organized pores. Light scattering spectra from the arrays evolve with the gaps, revealing plasmonic coupling among the nanoparticles, which can be satisfactorily interpreted by analytical formulae derived from generic dipolar approximation. The general formulism lays down a foundation for predicting the Q factor of an array of metallic nano-particles and its geometric characteristics.
Authors:
Sajal Biring; Huai-Hsien Wang; Juen-Kai Wang; Yuh-Lin Wang
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Publication Detail:
Type:  Journal Article; Research Support, Non-U.S. Gov't    
Journal Detail:
Title:  Optics express     Volume:  16     ISSN:  1094-4087     ISO Abbreviation:  Opt Express     Publication Date:  2008 Sep 
Date Detail:
Created Date:  2008-09-30     Completed Date:  2008-11-12     Revised Date:  2009-11-19    
Medline Journal Info:
Nlm Unique ID:  101137103     Medline TA:  Opt Express     Country:  United States    
Other Details:
Languages:  eng     Pagination:  15312-24     Citation Subset:  IM    
Affiliation:
Taiwan International Graduate Program, Department of Chemistry, National Tsing-Hua University, Hsinchu, Taiwan.
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MeSH Terms
Descriptor/Qualifier:
Chemistry Techniques, Analytical / methods
Electromagnetic Fields
Equipment Design
Light*
Metal Nanoparticles / chemistry*
Models, Statistical
Optics and Photonics*
Particle Size
Scattering, Radiation
Silver / chemistry*
Spectrometry, Fluorescence / methods
Spectrophotometry, Infrared / methods
Spectrum Analysis, Raman
Chemical
Reg. No./Substance:
7440-22-4/Silver

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine


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