Document Detail


Optical nonlinearities of Au nanoparticles and Au/Ag coreshells.
MedLine Citation:
PMID:  19183640     Owner:  NLM     Status:  MEDLINE    
Abstract/OtherAbstract:
Au nanoparticles exhibited both negative and positive nonlinear absorptions with ground-state plasmon bleaching and free-carrier absorption that could be origins of the saturable and reverse-saturable optical properties. Au/Ag coreshells displayed only positive nonlinear absorption and reverse-saturable optical properties as a function of excitation intensity at the edge of surface-plasmon resonance, which implies no ground-state plasmon bleaching and the existence of two-photon absorption.
Authors:
Jae Tae Seo; Qiguang Yang; Wan-Joong Kim; Jinhwa Heo; Seong-Min Ma; Jasmine Austin; Wan Soo Yun; Sung Soo Jung; Sang Woo Han; Bagher Tabibi; Doyle Temple
Publication Detail:
Type:  Journal Article; Research Support, U.S. Gov't, Non-P.H.S.    
Journal Detail:
Title:  Optics letters     Volume:  34     ISSN:  0146-9592     ISO Abbreviation:  Opt Lett     Publication Date:  2009 Feb 
Date Detail:
Created Date:  2009-02-02     Completed Date:  2009-04-16     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  7708433     Medline TA:  Opt Lett     Country:  United States    
Other Details:
Languages:  eng     Pagination:  307-9     Citation Subset:  IM    
Affiliation:
Department of Physics, Hampton University, Hampton, VA 23668, USA. jaetae.seo@hamptonu.edu
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MeSH Terms
Descriptor/Qualifier:
Computer Simulation
Gold / chemistry*
Light
Models, Chemical*
Nanoparticles / chemistry*,  ultrastructure
Nonlinear Dynamics
Particle Size
Scattering, Radiation
Silver / chemistry*
Surface Plasmon Resonance / methods*
Chemical
Reg. No./Substance:
7440-22-4/Silver; 7440-57-5/Gold

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


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