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Pregled bibliografske jedinice broj: 1152060

Tailoring plasmonic resonances in Cu-Ag metal islands films


Bubaš, Matej; Janicki, Vesna; Mezzasalma, Stefano Antonio; Spadaro, Maria Chiara; Arbiol, Jordi; Parramon, Jordi Sancho
Tailoring plasmonic resonances in Cu-Ag metal islands films // Applied surface science, 564 (2021), 150260, 7 doi:10.1016/j.apsusc.2021.150260 (međunarodna recenzija, članak, znanstveni)


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Naslov
Tailoring plasmonic resonances in Cu-Ag metal islands films

Autori
Bubaš, Matej ; Janicki, Vesna ; Mezzasalma, Stefano Antonio ; Spadaro, Maria Chiara ; Arbiol, Jordi ; Parramon, Jordi Sancho

Izvornik
Applied surface science (0169-4332) 564 (2021); 150260, 7

Vrsta, podvrsta i kategorija rada
Radovi u časopisima, članak, znanstveni

Ključne riječi
Surface plasmon resonance ; Metal islands films ; Ellipsometry ; Optical properties ; Dewetting ; Electron microscopy ; Janus nanoparticles

Sažetak
The plasmonic response of Cu-Ag metal islands films is investigated. Films are obtained by subsequent electron beam deposition of Ag and Cu using different fabrication conditions: deposited mass thickness, substrate temperature and post-deposition annealing in vacuum. Optical properties of films are investigated by spectroscopic ellipsometry and correlated with the structural characterization results obtained by electron microscopy. It is observed that Ag enhances island growth and increases the percolation threshold of Cu films. The localized surface plasmon resonance of isolated particles shows signatures of both Cu and Ag. Moderate thermal annealing enhances island growth and favours Janus-like morphology, increasing the Ag contribution to the surface plasmon resonance. In case of percolated films, annealing-induced dewetting can lead to the appearance of large and irregular particles with a remarkable absorption peak in the near-infrared range. Composition and optical properties of the films can be further modified by Ag partial evaporation upon annealing at high temperatures. The variation of optical properties with aging is related to Cu oxidization and follows different trends depending on the sample morphology. Overall, it is shown that Cu-Ag island films are compelling systems for plasmonic applications, as their optical response can be widely and easily tuned by adjusting fabrication conditions.

Izvorni jezik
Engleski

Znanstvena područja
Fizika



POVEZANOST RADA


Projekti:
HRZZ-IP-2019-04-5424 - Metalni kompoziti za ultra-tanke infracrvene slojeve (METACUC) (Sancho Parramon, Jordi, HRZZ - 2019-04) ( POIROT)

Ustanove:
Institut "Ruđer Bošković", Zagreb

Poveznice na cjeloviti tekst rada:

doi www.sciencedirect.com doi.org

Citiraj ovu publikaciju:

Bubaš, Matej; Janicki, Vesna; Mezzasalma, Stefano Antonio; Spadaro, Maria Chiara; Arbiol, Jordi; Parramon, Jordi Sancho
Tailoring plasmonic resonances in Cu-Ag metal islands films // Applied surface science, 564 (2021), 150260, 7 doi:10.1016/j.apsusc.2021.150260 (međunarodna recenzija, članak, znanstveni)
Bubaš, M., Janicki, V., Mezzasalma, S., Spadaro, M., Arbiol, J. & Parramon, J. (2021) Tailoring plasmonic resonances in Cu-Ag metal islands films. Applied surface science, 564, 150260, 7 doi:10.1016/j.apsusc.2021.150260.
@article{article, author = {Buba\v{s}, Matej and Janicki, Vesna and Mezzasalma, Stefano Antonio and Spadaro, Maria Chiara and Arbiol, Jordi and Parramon, Jordi Sancho}, year = {2021}, pages = {7}, DOI = {10.1016/j.apsusc.2021.150260}, chapter = {150260}, keywords = {Surface plasmon resonance, Metal islands films, Ellipsometry, Optical properties, Dewetting, Electron microscopy, Janus nanoparticles}, journal = {Applied surface science}, doi = {10.1016/j.apsusc.2021.150260}, volume = {564}, issn = {0169-4332}, title = {Tailoring plasmonic resonances in Cu-Ag metal islands films}, keyword = {Surface plasmon resonance, Metal islands films, Ellipsometry, Optical properties, Dewetting, Electron microscopy, Janus nanoparticles}, chapternumber = {150260} }
@article{article, author = {Buba\v{s}, Matej and Janicki, Vesna and Mezzasalma, Stefano Antonio and Spadaro, Maria Chiara and Arbiol, Jordi and Parramon, Jordi Sancho}, year = {2021}, pages = {7}, DOI = {10.1016/j.apsusc.2021.150260}, chapter = {150260}, keywords = {Surface plasmon resonance, Metal islands films, Ellipsometry, Optical properties, Dewetting, Electron microscopy, Janus nanoparticles}, journal = {Applied surface science}, doi = {10.1016/j.apsusc.2021.150260}, volume = {564}, issn = {0169-4332}, title = {Tailoring plasmonic resonances in Cu-Ag metal islands films}, keyword = {Surface plasmon resonance, Metal islands films, Ellipsometry, Optical properties, Dewetting, Electron microscopy, Janus nanoparticles}, chapternumber = {150260} }

Časopis indeksira:


  • Current Contents Connect (CCC)
  • Web of Science Core Collection (WoSCC)
    • Science Citation Index Expanded (SCI-EXP)
    • SCI-EXP, SSCI i/ili A&HCI
  • Scopus


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