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

被引：82
作者：
Cristoforetti, G. [1 ]
Pitzalis, E. [2 ]
Spiniello, R. [2 ]
Ishak, R. [3 ]
Muniz-Miranda, M. [4 ]
机构：
[1] CNR, Natl Opt Inst, Res Area, I-56124 Pisa, Italy
[2] CNR, Inst Chem Organometall Cpds, Res Area, I-56124 Pisa, Italy
[3] Univ Pisa, Dept Chem Engn & Mat Sci, I-56126 Pisa, Italy
[4] Univ Florence, Dept Chem, I-50019 Sesto Fiorentino, Italy
来源：
JOURNAL OF PHYSICAL CHEMISTRY C | 2011年 / 115卷 / 12期
关键词：
GOLD NANOPARTICLES; AQUEOUS-SOLUTION; STABILITY; BREAKDOWN;
D O I：
10.1021/jp109281q
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
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.
引用
收藏
页码：5073 / 5083
页数：11
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