Dendrimer-Capped Nanoparticles Prepared by Picosecond Laser Ablation in Liquid Environment

被引：19
|
作者：
Giorgetti, Emilia [1 ,2 ]
Giusti, Anna [3 ]
Giammanco, Francesco [3 ]
Marsili, Paolo [3 ]
Laza, Simona [3 ]
机构：
[1] CNR, INSTM, I-50019 Florence, Italy
[2] CNR, Ist Sistemi Complessi, I-50019 Florence, Italy
[3] Univ Pisa, Dept Phys E Fermi, I-56127 Pisa, Italy
来源：
MOLECULES | 2009年 / 14卷 / 09期
关键词：
dendrimers; laser ablation; metal nanoparticles; CdSe; photofragmentation; GOLD NANOPARTICLES; FLUORESCENCE EMISSION; PAMAM; WATER; DELIVERY; GENERATION; CDSE;
D O I：
10.3390/molecules14093731
中图分类号：
Q5 [生物化学]; Q7 [分子生物学];
学科分类号：
071010 ; 081704 ;
摘要：
Fifth generation ethylendiamine-core poly(amidoamine) (PAMAM G5) is presented as an efficient capping agent for the preparation of metal and semiconductor nanoparticles by ps laser ablation in water. In particular, we describe results obtained with the fundamental, second and third harmonic of a ps Nd:YAG laser and the influence of laser wavelength and pulse energy on gold particle production and subsequent photofragmentation. In this framework, the role of the dendrimer and, in particular, its interactions with gold clusters and cations are accounted.
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页码：3731 / 3753
页数：23
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