Ultra-pure, water-dispersed Au nanoparticles produced by femtosecond laser ablation and fragmentation

被引：23

作者：

Kubiliute, Reda ^{[1
,2
,3
]}

Maximova, Ksenia A. ^{[4
]}

Lajevardipour, Alireza ^{[1
,2
]}

Yong, Jiawey ^{[1
,2
]}

Hartley, Jennifer S. ^{[1
,2
]}

Mohsin, Abu S. M. ^{[1
,2
]}

Blandin, Pierre ^{[4
]}

Chon, James W. M. ^{[1
,2
]}

Sentis, Marc ^{[4
]}

Stoddart, Paul R. ^{[1
,2
]}

Kabashin, Andrei ^{[4
]}

Rotomskis, Ricardas ^{[3
]}

Clayton, Andrew H. A. ^{[1
,2
,5
]}

Juodkazis, Saulius ^{[1
,2
,5
]}

机构：

[1] Swinburne Univ Technol, Ctr Microphoton, Fac Engn & Ind Sci, Hawthorn, Vic 3122, Australia

[2] Swinburne Univ Technol, Ind Res Inst Swinburne, Fac Engn & Ind Sci, Hawthorn, Vic 3122, Australia

[3] Vilnius State Univ, Lab Biomed Phys, Inst Oncol, Vilnius, Lithuania

[4] Aix Marseille Univ, CNRS, Lasers Plasmas & Photon Proc Lab, Marseille, France

[5] Swinburne Univ Technol, Australian Natl Fabricat Facil, Fac Engn & Ind Sci, Victoria Node, Hawthorn, Vic 3122, Australia

来源：

INTERNATIONAL JOURNAL OF NANOMEDICINE | 2013年 / 8卷

基金：

澳大利亚研究理事会;

关键词：

nanotechnologies applications; methods of nanofabrication and processing; materials for nanomedicine; ENHANCED RAMAN-SCATTERING; GOLD NANOPARTICLES; AQUEOUS-SOLUTION; PHOTOLUMINESCENCE; SILVER; THERAPY; REDUCTION; MOLECULES; FIBERS; GROWTH;

D O I：

10.2147/IJN.S44163

中图分类号：

TB3 [工程材料学];

学科分类号：

0805 ; 080502 ;

摘要：

Aqueous solutions of ultra-pure gold nanoparticles have been prepared by methods of femtosecond laser ablation from a solid target and fragmentation from already formed colloids. Despite the absence of protecting ligands, the solutions could be (1) fairly stable and poly size-dispersed; or (2) very stable and monodispersed, for the two fabrication modalities, respectively. Fluorescence quenching behavior and its intricacies were revealed by fluorescence lifetime imaging microscopy in rhodamine 6G water solution. We show that surface-enhanced Raman scattering of rhodamine 6G on gold nanoparticles can be detected with high fidelity down to micromolar concentrations using the nanoparticles. Application potential of pure gold nanoparticles with polydispersed and nearly monodispersed size distributions are discussed.

引用

页码：2601 / 2611

页数：11

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