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Updated: May 10, 2026

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Colloidal Synthesis of Nanopatch Antennas for Applications in Plasmonics and Nanophotonics
Published on: May 28, 2016
3D hollow nanostructures as building blocks for multifunctional plasmonics
Francesco De Angelis1, Mario Malerba, Maddalena Patrini
1Nanostructures Department, Istituto Italiano di Tecnologia (IIT), 16163 Genova, Italy. francesco.deangelis@iit.it
Nano Letters
|July 3, 2013
Summary
We developed a new technology for creating tunable 3D hollow plasmonic nanostructures. These structures offer enhanced light-matter interactions and overcome limitations of 2D designs for diverse applications.
Area of Science:
- Materials Science
- Nanotechnology
- Optics
Background:
- Conventional plasmonic nanostructures face limitations in achieving high electric field confinement and broad optical absorption.
- Existing 2D architectures struggle with intrinsic difficulties in multidisciplinary applications.
Purpose of the Study:
- To present an advanced and robust technology for fabricating 3D hollow plasmonic nanostructures.
- To explore the novel properties and potential applications of these tunable 3D nanostructures.
Main Methods:
- Development of a novel fabrication technology for 3D hollow plasmonic nanostructures.
- Characterization of tunable size, shape, and layout of the nanostructures.
- Analysis of optical properties, including electric field confinement and optical absorption.
Main Results:
- Successfully realized tunable 3D hollow plasmonic nanostructures.
- Demonstrated high electric field confinement and enhancement within the nanocavities.
- Achieved finely structured extinction profiles and broad band optical absorption.
- Showcased the potential to overcome limitations of conventional 2D architectures.
Conclusions:
- The presented technology enables the creation of advanced 3D hollow plasmonic nanostructures with unique optical properties.
- These 3D nanostructures offer significant advantages over conventional designs for various multidisciplinary applications.
- The tunability in size, shape, and layout opens new avenues for plasmonic device engineering.

