Influence of laser-induced breakdown on the fragmentation of gold nanoparticles in water

被引：10
|
作者：
Serkov, A. A. [1 ,2 ]
Kuzmin, P. G. [1 ]
Rakov, I. I. [1 ]
Shafeev, G. A. [1 ,3 ]
机构：
[1] Russian Acad Sci, Wave Res Ctr, AM Prokhorov Gen Phys Inst, Ul Vavilova 38, Moscow 119991, Russia
[2] State Univ, Moscow Inst Phys & Technol, Inst Skii Per 9, Dolgoprudnyi 141700, Moscow Region, Russia
[3] Natl Res Nucl Univ MEPhI, Kashirskoe Sh 31, Moscow 115409, Russia
来源：
QUANTUM ELECTRONICS | 2016年 / 46卷 / 08期
基金：
俄罗斯基础研究基金会;
关键词：
laser-induced breakdown; fragmentation of nanoparticles in liquid; INDUCED SIZE-REDUCTION; FIELD ENHANCEMENT; AU NANOPARTICLES; NANOSECOND; PLASMONICS; MECHANISM; ABLATION; SPECTROSCOPY; EXCITATION; ELECTRONS;
D O I：
10.1070/QEL16094
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
The process of fragmentation of gold nanoparticles in water exposed to nanosecond IR laser radiation (1060-1070 nm) is studied. The behaviour of the size distribution and extinction spectrum of nanoparticles is investigated at different experimental parameters. The dependences of the size distribution maximum position and distribution width on the laser pulse duration and the corresponding characteristics of the laser plasma, arising on the nanoparticles, are analysed. The results are explained by the plasma influence on the laser radiation absorption by the colloidal solution.
引用
收藏
页码：713 / 718
页数：6
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