Perspective on nanosystems for UV-plasmonics: from their reactivity to applications (Conference Presentation)

Maria Losurdo

doi:10.1117/12.2529269

9 September 2019 Perspective on nanosystems for UV-plasmonics: from their reactivity to applications (Conference Presentation)

Maria Losurdo

Author Affiliations +

Proceedings Volume 11086, UV and Higher Energy Photonics: From Materials to Applications 2019; 110860W (2019) https://doi.org/10.1117/12.2529269
Event: SPIE Nanoscience + Engineering, 2019, San Diego, California, United States

Abstract

Recently, several alternative materials and geometries, including multiphase core-shell nanostructures also coupled to semiconducting plasmonic materials and emerging 2D materials have arisen as interesting plasmonic competitors to noble metals, such as gold and silver. The interest is driven by the attempts to implement the plasmonic functionality with additional functions of phase change, active plasmonics, photocatalysis, etc. Several advantages have been found for nanostructures based on Ga, such as wide tunability of the resonance energy from the ultraviolet (UV) to infrared (IR) spectral region, simplicity of the preparation methods, high sensitivity to the polarization of incident light. This contribution will provide an insight into the preparation, modelling and applications tailored by the control of interplay between light and chemistry in interface phenomena of multiphase (core-shell and nanoalloys) plasmonic nanostructures based on Ga, Mg, Al, Rh, coupled to a variety of materials including dielectric oxides, semiconductors, organic/plastic materials and graphene. A critical assessment of advantages and disadvantages, considering the system reactivity and stability, of various plasmonic nanostructures will be given, focusing mainly on the UV spectral region. Implications of the interface reactivity of core-shell structure and nanoalloys based on Ga, Mg, Al, Ag, Pd, and Pt on the potential exploitation in phase change photonics, UV photocatalysis and hydrogen storage will be discussed.

Conference Presentation

Citation Download Citation

Maria Losurdo "Perspective on nanosystems for UV-plasmonics: from their reactivity to applications (Conference Presentation)", Proc. SPIE 11086, UV and Higher Energy Photonics: From Materials to Applications 2019, 110860W (9 September 2019); https://doi.org/10.1117/12.2529269

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KEYWORDS

Plasmonics

Nanostructures

Ultraviolet radiation

Gallium

Interfaces

Magnesium

Photocatalysis

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