Production of Palladium Nanoparticles by Pulsed Laser Ablation in Water and Their Characterization

Year: 2011

Authors: Cristoforetti G., Pitzalis E., Spiniello R., Ishak R., Muniz-Miranda M.

Autors Affiliation: National Institute of Optics, Research Area of National Research Council, Via G. Moruzzi 1 – 56124 Pisa, Italy; Institute of Chemistry of Organometallic Compounds, Research Area of National Research Council, Via G. Moruzzi 1 – 56124 Pisa, Italy; Department of Chemical Engineering and Material Science, University of Pisa, Via Diotisalvi 2 – 56126 Pisa, Italy; Department of Chemistry, University of Florence, Via della Lastruccia 3 – 50019 Sesto Fiorentino, Italy

Abstract: Nanosized particles of pure palladium were produced by pulsed laser ablation in aqueous solution, with and without the addition of sodium dodecyl sulfate as the surfactant agent. The work was motivated by the strong catalytic effect of Pd particles in many chemical reactions. The influence of experimental parameters, such as laser energy and beam focusing as well as surfactant concentration, on the laser ablation process, nanoparticle mass yield, and nanoparticle properties was investigated via plasma imaging, UV-visible spectroscopy, transmission electron microscopy/energy dispersive spectroscopy (TEM-EDS) analysis, and measurement of potential. The surface-enhanced Raman scattering activity of nanoparticles was used for the monitoring of their adsorption capability on the metal surface during catalysis processes.


Volume: 115 (12)      Pages from: 5073  to: 5083

More Information: The authors gratefully thank the Italian Ministero dell\’Universita e Ricerca for the financial support and Dr. F. Gambinossi (Dept. of Chemistry, Florence) for his help in zeta potential measurements. This work was supported by MIUR Grants PRIN 2008.
KeyWords: laser ablation; nanoparticle; aqueous-solution; gold nanoparticles; spectroscopy
DOI: 10.1021/jp109281q

Citations: 79
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