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dc.contributor.author | Moura, I. | - |
dc.contributor.author | Melnikau, D. | - |
dc.contributor.author | Savateeva, Diana | - |
dc.contributor.author | Rakovich, Yury P. | - |
dc.contributor.author | Vasilevskiy, Mikhail I. | - |
dc.date.accessioned | 2016-09-06T10:34:20Z | - |
dc.date.available | 2016-09-06T10:34:20Z | - |
dc.date.issued | 2015 | - |
dc.identifier | doi: 10.1088/1742-6596/605/1/012025 | - |
dc.identifier | issn: 1742-6588 | - |
dc.identifier | e-issn: 1742-6596 | - |
dc.identifier.citation | Journal of Physics: Conference Series 605: 012025 (2015) | - |
dc.identifier.uri | http://hdl.handle.net/10261/136398 | - |
dc.description | Content from this work may be used under the terms of the Creative Commons Attribution 3.0 licence.-- et al. | - |
dc.description | 23rd Congress of the International Commission for Optics (ICO 23) | - |
dc.description.abstract | The exceptional properties of localised surface plasmons (LSPs), such as local field enhancement and confinement effects, resonant behavior, make them ideal candidates to control the emission of luminescent nanoparticles. In the present work, we investigated the LSP effect on the steady-state and time-resolved emission properties of quantum dots (QDs) by organizing the dots into self-assembled dendrite structures deposited on plasmonic nanostructures. Self-assembled structures consisting of water-soluble CdTe mono-size QDs, were developed on the surface of co-sputtered TiO2 thin films doped with Au nanoparticles (NPs) annealed at different temperatures. Their steady-state fluorescence properties were probed by scanning the spatially resolved emission spectra and the energy transfer processes were investigated by the fluorescence lifetime imaging (FLIM) microscopy. Our results indicate that a resonant coupling between excitons confined in QDs and LSPs in Au NPs located beneath the self-assembled structure indeed takes place and results in (i) a shift of the ground state luminescence towards higher energies and onset of emission from excited states in QDs, and (ii) a decrease of the ground state exciton lifetime (fluorescence quenching). | - |
dc.description.sponsorship | Financial support from the European Science Foundation (ESF) through PLASMONBIONANOSENSE programme and Portuguese Foundation for Science and Technology (FCT) and FEDER through Projects PTDC-FIS-113199-2009 and Est-C/FIS/UI0607/2013 are gratefully acknowledged. DM, DS and YR acknowledge support from Project FIS2013-41184-P of the Spanish Ministry of Economy and Competitiveness MINECO. | - |
dc.publisher | Institute of Physics Publishing | - |
dc.relation | info:eu-repo/grantAgreement/MINECO/Plan Estatal de Investigación Científica y Técnica y de Innovación 2013-2016/FIS2013-41184-P | - |
dc.relation.isversionof | Publisher's version | - |
dc.rights | openAccess | - |
dc.title | Effect of surface plasmon resonance in TiO2/Au thin films on the fluorescence of self-assembled CdTe QDs structure | - |
dc.type | artículo | - |
dc.identifier.doi | 10.1088/1742-6596/605/1/012025 | - |
dc.relation.publisherversion | http://dx.doi.org/10.1088/1742-6596/605/1/012025 | - |
dc.date.updated | 2016-09-06T10:34:20Z | - |
dc.description.version | Peer Reviewed | - |
dc.language.rfc3066 | eng | - |
dc.rights.license | http://creativecommons.org/licenses/by/3.0 | - |
dc.contributor.funder | Ministerio de Economía y Competitividad (España) | - |
dc.contributor.funder | Fundação para a Ciência e a Tecnologia (Portugal) | - |
dc.contributor.funder | European Science Foundation | - |
dc.relation.csic | Sí | - |
dc.identifier.funder | http://dx.doi.org/10.13039/501100003329 | es_ES |
dc.identifier.funder | http://dx.doi.org/10.13039/501100001871 | es_ES |
dc.identifier.funder | http://dx.doi.org/10.13039/501100000782 | es_ES |
dc.type.coar | http://purl.org/coar/resource_type/c_6501 | es_ES |
item.openairetype | artículo | - |
item.cerifentitytype | Publications | - |
item.grantfulltext | open | - |
item.openairecristype | http://purl.org/coar/resource_type/c_18cf | - |
item.fulltext | With Fulltext | - |
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CdTe QDs.pdf | 1,38 MB | Adobe PDF | Visualizar/Abrir |
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