Charge Transfer Plasmons: Optical Frequency Conductances and Tunable Infrared Resonances

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dc.citation.firstpage6428
dc.citation.issueNumber6
dc.citation.journalTitleACS Nano
dc.citation.lastpage6435
dc.citation.volumeNumber9
dc.contributor.authorWen, Fangfang
dc.contributor.authorZhang, Yue
dc.contributor.authorGottheim, Samuel
dc.contributor.authorKing, Nicholas S.
dc.contributor.authorZhang, Yu
dc.contributor.authorNordlander, Peter
dc.contributor.authorHalas, Naomi J.
dc.contributor.orgLaboratory for Nanophotonics
dc.date.accessioned2016-04-04T21:23:36Z
dc.date.available2016-04-04T21:23:36Z
dc.date.issued2015
dc.description.abstractA charge transfer plasmon (CTP) appears when an optical-frequency conductive pathway between two metallic nanoparticles is established, enabling the transfer of charge between nanoparticles when the plasmon is excited. Here we investigate the properties of the CTP in a nanowire-bridged dimer geometry. Varying the junction geometry controls its conductance, which modifies the resonance energies and scattering intensities of the CTP while also altering the other plasmon modes of the nanostructure. Reducing the junction conductance shifts this resonance to substantially lower energies in the near- and mid-infrared regions of the spectrum. The CTP offers both a high-information probe of optical frequency conductances in nanoscale junctions and a new, unique approach to controllably engineering tunable plasmon modes at infrared wavelengths.
dc.identifier.citationWen, Fangfang, Zhang, Yue, Gottheim, Samuel, et al.. "Charge Transfer Plasmons: Optical Frequency Conductances and Tunable Infrared Resonances." <i>ACS Nano,</i> 9, no. 6 (2015) American Chemical Society: 6428-6435. http://dx.doi.org/10.1021/acsnano.5b02087.
dc.identifier.doihttp://dx.doi.org/10.1021/acsnano.5b02087
dc.identifier.urihttps://hdl.handle.net/1911/88847
dc.language.isoeng
dc.publisherAmerican Chemical Society
dc.rightsThis is an open access article published under an ACS AuthorChoiceﾠLicense, which permits copying and redistribution of the article or any adaptations for non-commercial purposes.
dc.rights.urihttp://pubs.acs.org/page/policy/authorchoice_termsofuse.html
dc.subject.keywordcharge transfer plasmon
dc.subject.keywordoptical antenna
dc.subject.keywordIR plasmon
dc.subject.keywordelectric current
dc.subject.keywordsingle-particle dark-field spectroscopy
dc.subject.keywordelectron beam lithography
dc.titleCharge Transfer Plasmons: Optical Frequency Conductances and Tunable Infrared Resonances
dc.typeJournal article
dc.type.dcmiText
dc.type.publicationpublisher version
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