Preparation of alloyed and "core-shell" Au/Ag bimetallic nanostructures on glass substrate by solid state dewetting

Kód výsledku v IS VaVaI

<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F60461373%3A22310%2F20%3A43920971" target="_blank" >RIV/60461373:22310/20:43920971 - isvavai.cz</a>

Výsledek na webu

<a href="https://doi.org/10.1016/j.jallcom.2020.154627" target="_blank" >https://doi.org/10.1016/j.jallcom.2020.154627</a>

DOI - Digital Object Identifier

<a href="http://dx.doi.org/10.1016/j.jallcom.2020.154627" target="_blank" >10.1016/j.jallcom.2020.154627</a>

Jazyk výsledku

angličtina

Název v původním jazyce

Preparation of alloyed and "core-shell" Au/Ag bimetallic nanostructures on glass substrate by solid state dewetting

Popis výsledku v původním jazyce

Fine tuning of surface plasmon resonance wavelength of metallic nanostructures is advantageous for the exploitation of plasmons. The wavelength is dependent on size and shape of a monometallic nanostructure, but a better control can be achieved by introduction of a second metal. Au and Ag were used in this work to produce bimetallic nanostructures by method of solid-state dewetting of cathode sputtered thin films due to their compatible chemical properties and lattice parameters. The preparation sequence of the metal deposition and annealing of the deposited layers was altered to obtain distinct alloyed and &quot;core-shell&quot; structures. The morphology of the forming structures was observed by SEM and AFM. UV-Vis spectroscopy confirmed the optical properties of such nanostructures are strongly dependent on the sequence of the metal deposition and annealing. The wavelength of the surface plasmon band maximum varied from 400 to 650 nm depending on the parameters of the preparation process and samples with plasmon resonances of both Au and Ag were obtained at certain conditions of preparation.

Název v anglickém jazyce

Preparation of alloyed and "core-shell" Au/Ag bimetallic nanostructures on glass substrate by solid state dewetting

Popis výsledku anglicky

Fine tuning of surface plasmon resonance wavelength of metallic nanostructures is advantageous for the exploitation of plasmons. The wavelength is dependent on size and shape of a monometallic nanostructure, but a better control can be achieved by introduction of a second metal. Au and Ag were used in this work to produce bimetallic nanostructures by method of solid-state dewetting of cathode sputtered thin films due to their compatible chemical properties and lattice parameters. The preparation sequence of the metal deposition and annealing of the deposited layers was altered to obtain distinct alloyed and &quot;core-shell&quot; structures. The morphology of the forming structures was observed by SEM and AFM. UV-Vis spectroscopy confirmed the optical properties of such nanostructures are strongly dependent on the sequence of the metal deposition and annealing. The wavelength of the surface plasmon band maximum varied from 400 to 650 nm depending on the parameters of the preparation process and samples with plasmon resonances of both Au and Ag were obtained at certain conditions of preparation.

Druh

J_imp - Článek v periodiku v databázi Web of Science

CEP obor

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OECD FORD obor

20501 - Materials engineering

Projekt

<a href="/cs/project/GA17-00939S" target="_blank" >GA17-00939S: Příprava a charakterizace tenkých vrstev a nanostruktur se specifickými magnetickými vlastnostmi</a><br>

Návaznosti

P - Projekt vyzkumu a vyvoje financovany z verejnych zdroju (s odkazem do CEP)

Rok uplatnění

2020

Kód důvěrnosti údajů

S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Název periodika

Journal of Alloys and Compounds

ISSN

0925-8388

e-ISSN

—

Svazek periodika

829

Číslo periodika v rámci svazku

JUL 15 2020

Stát vydavatele periodika

CH - Švýcarská konfederace

Počet stran výsledku

8

Strana od-do

"154627/1"-8

Kód UT WoS článku

000523555300101

EID výsledku v databázi Scopus

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