Maximizing Fluorescence Enhancement in Metal Nanoantenna Arrays for efficient bioanalytical devices Article Swipe
Daniela Lospinoso
,
Adriano Colombelli
,
Arianna Cretı̀
,
Maura Cesaria
,
M. Lomascolo
,
R. Rella
,
Maria Grazia Manera
·
YOU?
·
· 2024
· Open Access
·
· DOI: https://doi.org/10.1051/epjconf/202430905009
YOU?
·
· 2024
· Open Access
·
· DOI: https://doi.org/10.1051/epjconf/202430905009
Our investigation focused on fluorescence enhancement mechanisms using metal nanoantennas with Alexa Fluor-647. By exploiting numerical modelling tools, we fabricated non-interacting Au nanodisc arrays on glass substrates, achieving a maximum fluorescence enhancement factor of 180 at an optimal spacer thickness of approximately 10 nm. Comparative analysis with bare glass substrates revealed significant improvements in excitation and emission dynamics, attributed to nanoscale field confinement and the Purcell effect. Time- and space-resolved photoluminescence measurements unveiled a distance-dependent interaction between the fluorophore and localized plasmons, modulated by thin polyelectrolyte monolayers, with prevalent radiative processes in samples exhibiting maximum signal.
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- Type
- article
- Language
- en
- Landing Page
- http://doi.org/10.1051/epjconf/202430905009
- OA Status
- diamond
- References
- 1
- Related Works
- 10
- OpenAlex ID
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https://openalex.org/W4403953985Canonical identifier for this work in OpenAlex
- DOI
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https://doi.org/10.1051/epjconf/202430905009Digital Object Identifier
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Maximizing Fluorescence Enhancement in Metal Nanoantenna Arrays for efficient bioanalytical devicesWork title
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articleOpenAlex work type
- Language
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enPrimary language
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2024Year of publication
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2024-01-01Full publication date if available
- Authors
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Daniela Lospinoso, Adriano Colombelli, Arianna Cretı̀, Maura Cesaria, M. Lomascolo, R. Rella, Maria Grazia ManeraList of authors in order
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https://doi.org/10.1051/epjconf/202430905009Publisher landing page
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YesWhether a free full text is available
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diamondOpen access status per OpenAlex
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https://doi.org/10.1051/epjconf/202430905009Direct OA link when available
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Bioanalysis, Fluorescence, Nanotechnology, Materials science, Computer science, Optoelectronics, Optics, PhysicsTop concepts (fields/topics) attached by OpenAlex
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0Total citation count in OpenAlex
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1Number of works referenced by this work
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10Other works algorithmically related by OpenAlex
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