Preparation of platinum nanoparticles in liquids by laser ablation method

被引：25
|
作者：
The Binh Nguyen [1 ]
Thanh Dinh Nguyen [1 ]
Quang Dong Nguyen [1 ]
Thi Trinh Nguyen [1 ]
机构：
[1] Vietnam Natl Univ Hanoi VNU HN, Univ Sci, Dept Phys, Hanoi, Vietnam
来源：
ADVANCES IN NATURAL SCIENCES-NANOSCIENCE AND NANOTECHNOLOGY | 2014年 / 5卷 / 03期
关键词：
nanoparticle; surfactant; laser ablation; plasmon resonance absorption; GOLD NANOPARTICLES; SIZE; AGGREGATION;
D O I：
10.1088/2043-6262/5/3/035011
中图分类号：
TB3 [工程材料学];
学科分类号：
0805 ; 080502 ;
摘要：
Platinum (Pt) nanoparticles were prepared in solutions of ethanol and TSC (trisodium citrate-Na3C6H5O7 center dot nH(2)O) in water by laser ablation method using Nd: YAG laser. The role of laser fluence, laser wavelength and concentration of surfactant liquids in laser ablation process were investigated. The morphology, size distribution and optical properties of the Pt nanoparticles (NPs) were observed by transmission electron microscopy (TEM), UV-vis spectrometer and x-ray diffraction measurements. The average diameter of Pt NPs prepared in ethanol and TSC solutions ranges around 7-9 nm and 10-12 nm, respectively. The results showed advantages of the laser ablation method.
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页数：5
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