@article{Lanzavecchia2023Plasm-68878,
  year={2023},
  doi={10.1002/adom.202300786},
  title={Plasmonic Photochemistry as a Tool to Prepare Metallic Nanopores with Controlled Diameter for Optimized Detection of Single Entities},
  number={16},
  volume={11},
  journal={Advanced Optical Materials},
  author={Lanzavecchia, German and Kuttruff, Joel and Doricchi, Andrea and Douaki, Ali and Kumaranchira Ramankutty, Krishnadas and García, Isabel and Lin, Lyuye and Viejo Rodríguez, Alba and Maccaferri, Nicolò and Garoli, Denis},
  note={Article Number: 2300786}
}

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    <dc:creator>Kumaranchira Ramankutty, Krishnadas</dc:creator>
    <dc:contributor>Kuttruff, Joel</dc:contributor>
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    <dc:contributor>Lin, Lyuye</dc:contributor>
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    <dcterms:abstract>Plasmonic solid-state nanopores with tunable hole diameters can be prepared via a photocatalytic effect resulting from the enhanced electromagnetic (EM) field inside a metallic ring on top of a dielectric nanotube. Under white light illumination, the plasmon-enhanced EM-field induces a site-selective metal nucleation and growth within the ring. This approach is used to prepare Au and bimetallic Au–Ag nano-rings and demonstrate the reduction of the initial inner diameter of the nanopore down to 4 nm. The tunability of the nanopore diameter can be used to enable optimized detection of single entities with different sizes. As a proof-of-concept, single object detection of double stranded DNA (dsDNA) and Au nanoparticles (AuNPs) with a diameter down to 15 nm is performed. Numerical simulations provide insights into the EM-field distribution and confinement, showing that a field intensity enhancement of up to 104 can be achieved inside the nanopores. This localized EM-field can be used to perform enhanced optical measurements and generate local heating, thereby modifying the properties of the nanopore. Such a flexible approach also represents a valuable tool to investigate plasmon-driven photochemical reactions, and it can represent an important step toward the realization of new plasmonic devices.</dcterms:abstract>
    <dc:creator>Doricchi, Andrea</dc:creator>
    <dc:creator>Viejo Rodríguez, Alba</dc:creator>
    <dc:contributor>Douaki, Ali</dc:contributor>
    <dc:creator>Lin, Lyuye</dc:creator>
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    <dcterms:title>Plasmonic Photochemistry as a Tool to Prepare Metallic Nanopores with Controlled Diameter for Optimized Detection of Single Entities</dcterms:title>
    <dc:creator>Garoli, Denis</dc:creator>
    <dc:contributor>Kumaranchira Ramankutty, Krishnadas</dc:contributor>
    <dc:creator>Douaki, Ali</dc:creator>
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    <dc:creator>García, Isabel</dc:creator>
    <dc:creator>Kuttruff, Joel</dc:creator>
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    <dc:creator>Lanzavecchia, German</dc:creator>
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    <dc:rights>Attribution-NonCommercial 4.0 International</dc:rights>
    <dcterms:issued>2023</dcterms:issued>
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