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Lecture-Single Particle Analysis in Plasmonics and Catalysis
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Update time: 2013-08-09
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Presented by Dr. Emilie Ringe 

Gott Junior Research Fellow, Trinity Hall 

Newton International Research Fellow, The Royal Society 

High Resolution Electron Microscopy Group 

Department of Materials Science and Metallurgy 

University of Cambridge, Cambridge, UK 

Time:10:00 a.m. Aug 12, 2013.  

Location:A718, SINANO  

Abstract:

Interest in nanotechnology is driven by unprecedented means to tailor physical behavior via structure and composition. Unlike bulk components, minute changes in size and shape can affect the optical, catalytic, magnetic, and electronic properties of nanoparticles. Characterization of such structure-function relationships and better understanding of structure control mechanisms are crucial to the development of novel applications such as plasmonic sensors and devices, as well as catalytic systems. The first part of this talk will cover recent experimental advances in correlated single particle optical and structural characterization, which provide new insight on the effects of size and shape, as well as their interrelation, on plasmonic properties such as resonance frequency, field enhancement, plasmon decay, and refractive index sensitivity. The second part will discuss new analytical shape models, focusing on kinetic growth of plasmonically relevant shapes as well as small alloy particles. Finally, a short overview of very recent results on multifunctional core-shell nanoparticles will be presented, highlighting new synthetic approaches and electron microscopy characterization techniques.  

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