Nanovoid irregular array in plasmonic Ag@Au nanostructures

Alexandra V. Afanasjeva; Evgeniia O. Soloveva; Igor A. Gladskikh; Tigran A. Vartanyan; Daler R. Dadadzhanov

doi:10.1117/12.3022540

10 June 2024 Nanovoid irregular array in plasmonic Ag@Au nanostructures

Alexandra V. Afanasjeva, Evgeniia O. Soloveva, Igor A. Gladskikh, Tigran A. Vartanyan, Daler R. Dadadzhanov

Proceedings Volume 12991, Nanophotonics X; 129911Y (2024) https://doi.org/10.1117/12.3022540
Event: SPIE Photonics Europe, 2024, Strasbourg, France

Conference Poster

Abstract

An anisotropic Ag@Au nanostructure is fabricated via physical vapor deposition of gold at oblique incidence onto a glass substrate with a preformed silver nanoparticle array. Utilization of silver nanoparticles as a scaffold for subsequent gold deposition makes it possible to control the size and shape of the gold capping layer. The obtained Ag@Au nanostructures are characterized by adjustable absorption bands and linear dichroism. The proposed technique provides for new opportunities in creation of plasmonic nanoparticles with targeted optical characteristics for applications in nanophotonics.

(2024) Published by SPIE. Downloading of the abstract is permitted for personal use only.

Citation Download Citation

Alexandra V. Afanasjeva, Evgeniia O. Soloveva, Igor A. Gladskikh, Tigran A. Vartanyan, and Daler R. Dadadzhanov "Nanovoid irregular array in plasmonic Ag@Au nanostructures", Proc. SPIE 12991, Nanophotonics X, 129911Y (10 June 2024); https://doi.org/10.1117/12.3022540

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