New horizons in enhancing and controlling local heat delivery based on thermoplasmonics

Javier González-Colsa; Guillermo Serrera; Alfredo Franco; Dolores Ortiz; Fernando Moreno; Jose M. Saiz; Fernando Bresme; Francisco González; Pablo Albella

doi:10.1117/12.3016934

11 June 2024 New horizons in enhancing and controlling local heat delivery based on thermoplasmonics

Javier González-Colsa, Guillermo Serrera, Alfredo Franco, Dolores Ortiz, Fernando Moreno, Jose M. Saiz, Fernando Bresme, Francisco González, Pablo Albella

Author Affiliations +

Proceedings Volume PC12991, Nanophotonics X; PC129910Z (2024) https://doi.org/10.1117/12.3016934
Event: SPIE Photonics Europe, 2024, Strasbourg, France

Abstract

Plasmonic nanoheaters, have attracted great attention in nanomedicine, due to their ability to efficiently generate and control heat delivery at the nanoscale. There is a wide offer of nanostructures that provide with strong photothermal responses and heat delivery, however most of them deliver heat in a symmetric way or require a certain orientation with respect to the excitation source to perform adequately. Here, we will first present an overview of some novel designs, fully plasmonic or hybrid dielectric/plasmonic, capable of offering not only enhanced photothermal response but also directional heat delivery. The thermal enhancing mechanism rely on the excitation of either dipolar or anapolar modes, depending on the design [4]. In the rest of the talk, we will show some of our recent findings on the thermal performance of DNA origami-based structures, offering theoretical insights into their potential for photothermal therapy applications.

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Javier González-Colsa, Guillermo Serrera, Alfredo Franco, Dolores Ortiz, Fernando Moreno, Jose M. Saiz, Fernando Bresme, Francisco González, and Pablo Albella "New horizons in enhancing and controlling local heat delivery based on thermoplasmonics", Proc. SPIE PC12991, Nanophotonics X, PC129910Z (11 June 2024); https://doi.org/10.1117/12.3016934

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KEYWORDS

Nanostructures

Plasmonics

Gold

Gold nanoparticles

Light sources and illumination

Nanomedicine

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