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Issue 1, 2018
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Shapes matter: examining the optical response evolution in stretched aluminium nanoparticles via time-dependent density functional theory

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Abstract

Using first-principles time-dependent density functional theory calculations, we investigate the shape-anisotropy effects on the optical response of a spherical aluminium nanoparticle subjected to a stretching process in different directions. Progressively increased stretching in one direction resulted in prolate spheroid (nanorice) geometries and produced a couple of well-distinguishable dominant peaks together with some satellite peaks in the UV-visible region of the electromagnetic spectrum. On the other hand, progressively increased stretching in two directions caused multiple peaks to appear in the UV-visible region of the electromagnetic spectrum. We believe that our findings can be beneficial for the emerging and potentially far-reaching field of aluminum plasmonics.

Graphical abstract: Shapes matter: examining the optical response evolution in stretched aluminium nanoparticles via time-dependent density functional theory

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Article information


Submitted
21 Oct 2017
Accepted
30 Nov 2017
First published
30 Nov 2017

Phys. Chem. Chem. Phys., 2018,20, 51-55
Article type
Communication

Shapes matter: examining the optical response evolution in stretched aluminium nanoparticles via time-dependent density functional theory

J. H. Mokkath, Phys. Chem. Chem. Phys., 2018, 20, 51
DOI: 10.1039/C7CP07151E

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