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dc.contributor.authorGuvenc, C. Meric
dc.contributor.authorBalci, Fadime Mert
dc.contributor.authorSarisozen, Sema
dc.contributor.authorPolat, Nahit
dc.contributor.authorBalci, Sinan
dc.descriptionBALCI, SINAN/0000-0002-9809-8688; Guvenc, Cetin Meric/0000-0001-9197-5310en_US
dc.descriptionWOS: 000526319300029en_US
dc.description.abstractNobel-metal nanostructures strongly localize and manipulate light at nanoscale dimension by supporting surface plasmon polaritons. In fact, the optical properties of the nobel-metal nanostructures strongly depend on their morphology and composition. Until now, various metal nanostructures such as nanocubes, nanoprisms, nanorods, and recently hollow nanostructures have been demonstrated. In addition, the plasmonic field can be further enhanced at nanoparticle dimers and aggregates because of highly localized and intense optical fields, which is known as "plasmonic hot spots". However, colloidally synthesized and circular-shaped nanoring nanostructures with plasmonic hot spots are still lacking. We, herein, show for the first time that colloidal bimetallic nanorings with plasmonic nanocavities and tunable plasmon resonance wavelengths can be synthesized via colloidal synthesis and galvanic replacement reactions. In addition, in the strong coupling regime, plasmons in nanorings and excitons in J-aggregates interact strongly and nanoring-shaped colloidal plexcitonic nanoparticles are demonstrated. The results reveal that the optical properties of the nanoring and the onset of strong coupling can be tamed by the galvanic replacement reaction. Further, the plasmonic nanocavity in the nanorings has immense potential for applications in sensing and spectroscopy because of the space, enclosed by the plasmonic nanocavity, is empty and accessible to a variety of molecules, ions, and quantum dots.en_US
dc.publisherAmer Chemical Socen_US
dc.titleColloidal Bimetallic Nanorings for Strong Plasmon Exciton Couplingen_US
dc.relation.journalJournal Of Physical Chemistry Cen_US
dc.contributor.departmentIzmir Institute of Technologyen_US
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanıen_US
dc.cont.department-temp[Balci, Fadime Mert; Polat, Nahit; Balci, Sinan] Izmir Inst Technol, Dept Photon, TR-35430 Izmir, Turkey; [Guvenc, C. Meric] Izmir Inst Technol, Dept Mat Sci & Engn, TR-35430 Izmir, Turkey; [Sarisozen, Sema] Izmir Inst Technol, Dept Chem, TR-35430 Izmir, Turkeyen_US

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