On the Optical Properties of Ag–Au Colloidal Alloys Pulsed Laser Ablated in Liquid: Experiments and Theory
Year: 2020
Type: article
Abstract: We simulated the extinction spectra of Ag–Au alloyed nanoparticles produced by pulsed laser ablation in liquid of elemental targets followed by re-irradiation of suitable mixtures of the obtained colloidal suspensions. When we make use of the optical constants of Ag–Au alloys, our theoretical approach, developed in the framework of the T-matrix formalism, accurately reproduces the experimental features of the extinction spectra of laser-produced nanoalloys with compositions that span the entire composition range (Ag25Au75, Ag50Au50, and Ag75Au25).
Authors: Enza Fazio, Rosalba Saija, Marco Santoro, Saidi Abir, Fortunato Neri, Matteo Tommasini, Paolo Maria Ossi
Institutions: University of Messina, Politecnico di Milano
Language: English
Subfield: Materials Chemistry
Field: Materials Science
Domain: Physical Sciences
Open Access status: hybrid
Estimated APC paid: $5,000
OpenAlex ID: W3095983862