On the Localized Surface Plasmonic Resonances of AgPd Alloy Nanoparticles by Experiment and Theory

On the Localized Surface Plasmonic Resonances of AgPd Alloy Nanoparticles by Experiment and Theory

Ag/Pd multilayers and AgPd alloyed ultrathin films were deposited on Corning glass by magnetron sputtering. After being annealed in a furnace in air at 460 °C, self-assembled nanoparticles were formed. Localized surface plasmon resonances were observed only for the Ag-rich samples in the full range...

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Main Authors: Dimitrios Ntemogiannis, Maria Tsarmpopoulou, Alexandros G. Chronis, Dimitrios I. Anyfantis, Alexandros Barnasas, Spyridon Grammatikopoulos, Mihail Sigalas, Panagiotis Poulopoulos
Format: Article
Language:English
Published: MDPI AG 2021-07-01
Series:Coatings
Subjects:
growth
silver
palladium
nanoparticles
optical properties
plasmons
Online Access:https://www.mdpi.com/2079-6412/11/8/893
id doaj-67960c8934fe4c3ba6e712c3bbdd9a23
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spelling doaj-67960c8934fe4c3ba6e712c3bbdd9a232021-08-26T13:38:35ZengMDPI AGCoatings2079-64122021-07-011189389310.3390/coatings11080893On the Localized Surface Plasmonic Resonances of AgPd Alloy Nanoparticles by Experiment and TheoryDimitrios Ntemogiannis0Maria Tsarmpopoulou1Alexandros G. Chronis2Dimitrios I. Anyfantis3Alexandros Barnasas4Spyridon Grammatikopoulos5Mihail Sigalas6Panagiotis Poulopoulos7Materials Science Department, University of Patras, 26504 Patras, GreeceMaterials Science Department, University of Patras, 26504 Patras, GreeceMaterials Science Department, University of Patras, 26504 Patras, GreeceMaterials Science Department, University of Patras, 26504 Patras, GreeceMaterials Science Department, University of Patras, 26504 Patras, GreeceDepartment of Mechanical Engineering, University of Peloponnese, M. Alexandrou 1, 26334 Patras, GreeceMaterials Science Department, University of Patras, 26504 Patras, GreeceMaterials Science Department, University of Patras, 26504 Patras, GreeceAg/Pd multilayers and AgPd alloyed ultrathin films were deposited on Corning glass by magnetron sputtering. After being annealed in a furnace in air at 460 °C, self-assembled nanoparticles were formed. Localized surface plasmon resonances were observed only for the Ag-rich samples in the full range of the visible light spectrum. The resonance position was found to depend on the initial film thickness. In order to gain further physical insight, rigorous theoretical calculations were carried out via the rigid coupled-wave analysis method for the entire compositional range between Ag and Pd. Theoretical calculations were proven to be in suitable agreement with the experimental results.https://www.mdpi.com/2079-6412/11/8/893growthsilverpalladiumnanoparticlesoptical propertiesplasmons
collection DOAJ
language English
format Article
sources DOAJ
author Dimitrios Ntemogiannis
Maria Tsarmpopoulou
Alexandros G. Chronis
Dimitrios I. Anyfantis
Alexandros Barnasas
Spyridon Grammatikopoulos
Mihail Sigalas
Panagiotis Poulopoulos
spellingShingle Dimitrios Ntemogiannis
Maria Tsarmpopoulou
Alexandros G. Chronis
Dimitrios I. Anyfantis
Alexandros Barnasas
Spyridon Grammatikopoulos
Mihail Sigalas
Panagiotis Poulopoulos
On the Localized Surface Plasmonic Resonances of AgPd Alloy Nanoparticles by Experiment and Theory
Coatings
growth
silver
palladium
nanoparticles
optical properties
plasmons
author_facet Dimitrios Ntemogiannis
Maria Tsarmpopoulou
Alexandros G. Chronis
Dimitrios I. Anyfantis
Alexandros Barnasas
Spyridon Grammatikopoulos
Mihail Sigalas
Panagiotis Poulopoulos
author_sort Dimitrios Ntemogiannis
title On the Localized Surface Plasmonic Resonances of AgPd Alloy Nanoparticles by Experiment and Theory
title_short On the Localized Surface Plasmonic Resonances of AgPd Alloy Nanoparticles by Experiment and Theory
title_full On the Localized Surface Plasmonic Resonances of AgPd Alloy Nanoparticles by Experiment and Theory
title_fullStr On the Localized Surface Plasmonic Resonances of AgPd Alloy Nanoparticles by Experiment and Theory
title_full_unstemmed On the Localized Surface Plasmonic Resonances of AgPd Alloy Nanoparticles by Experiment and Theory
title_sort on the localized surface plasmonic resonances of agpd alloy nanoparticles by experiment and theory
publisher MDPI AG
series Coatings
issn 2079-6412
publishDate 2021-07-01
description Ag/Pd multilayers and AgPd alloyed ultrathin films were deposited on Corning glass by magnetron sputtering. After being annealed in a furnace in air at 460 °C, self-assembled nanoparticles were formed. Localized surface plasmon resonances were observed only for the Ag-rich samples in the full range of the visible light spectrum. The resonance position was found to depend on the initial film thickness. In order to gain further physical insight, rigorous theoretical calculations were carried out via the rigid coupled-wave analysis method for the entire compositional range between Ag and Pd. Theoretical calculations were proven to be in suitable agreement with the experimental results.
topic growth
silver
palladium
nanoparticles
optical properties
plasmons
url https://www.mdpi.com/2079-6412/11/8/893
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