The role of interfacial charge transfer-type interactions in the decay of plasmon excitations in metal nanoparticles

This perspective describes the influence of interfacial charge transfer-type interactions on the optical spectra and hot electron cooling processes in plasmonic nanoparticles (NPs), and ongoing work to optimize these interactions for charge extraction from the plasmon or hot electron state. The manu...

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Published inPhysical chemistry chemical physics : PCCP Vol. 15; no. 2; pp. 7441 - 7449
Main Authors Aruda, Kenneth O, Tagliazucchi, Mario, Sweeney, Christina M, Hannah, Daniel C, Weiss, Emily A
Format Journal Article
LanguageEnglish
Published Cambridge Royal Society of Chemistry 01.01.2013
Subjects
Charge
Charge transfer
Chemistry
Colloidal state and disperse state
Electric charge
Exact sciences and technology
Excitation
Extraction
General and physical chemistry
Hot electrons
Physical and chemical studies. Granulometry. Electrokinetic phenomena
Plasmons
Semiconductors
Surface physical chemistry
Plasmon
Charge transfer
Nanoparticle
Interface
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Summary:This perspective describes the influence of interfacial charge transfer-type interactions on the optical spectra and hot electron cooling processes in plasmonic nanoparticles (NPs), and ongoing work to optimize these interactions for charge extraction from the plasmon or hot electron state. The manuscript focuses on interfaces of metal NPs with organic molecules and with semiconductors. Charge extraction from multi-electron excited states has applications in photodetection, sensing, and conversion of solar energy to electricity and fuels. Coupling of a hot electron population within a metal nanoparticle to its surroundings dictates the rate of carrier cooling.
Bibliography:ObjectType-Article-1
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ISSN:1463-9076
1463-9084
DOI:10.1039/c3cp51005k