Palladium nanoparticles produced by CW and pulsed laser ablation in water

被引：20
作者：
Boutinguiza, M. [1 ]
Comesana, R. [2 ]
Lusquinos, F. [1 ]
Riveiro, A. [1 ,3 ]
del Val, J. [1 ]
Pou, J. [1 ]
机构：
[1] Univ Vigo EEI, Dept Appl Phys, Vigo 36310, Spain
[2] Univ Vigo, Mat Engn Appl Mech & Construct Dept, EEI, Vigo 36310, Spain
[3] Ctr Univ Def, Escuela Naval Mil, Marin 36920, Spain
来源：
APPLIED SURFACE SCIENCE | 2014年 / 302卷
关键词：
Palladium nanoparticles; Laser ablation; CW laser; Pulsed laser; SUZUKI COUPLING REACTION; AQUEOUS-SOLUTION; CATALYST;
D O I：
10.1016/j.apsusc.2014.01.083
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：
Palladium nanoparticles are receiving important interest due to its application as catalyst. In this work Pd nanoparticles have been obtained by ablating a Pd target submerged in de-ionized using both, pulsed as well as continuous wave (CW) laser. The influence of laser parameters involved in the formation in nanoparticles has been studied. Crystalline phases, morphology and optical properties of the obtained colloidal nanoparticles were characterized by means of transmission electron microscopy (TEM), high resolution transmission electron microscopy (HRTEM) and UV/vis absorption spectroscopy. The obtained colloidal suspensions consisted of pure Pd nanoparticles showing spherical shape with diameters ranging from few nanometers to 5-60 nm. The moderate irradiance delivered by the CW laser favours high production of uniform nanoparticles. (C) 2014 Elsevier B.V. All rights reserved.
引用
收藏
页码：19 / 23
页数：5
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