Laser-Induced Fabrication of Au@CdS Core-Shell Nanowires

被引：15
|
作者：
Kim, Jong-Yeob [1 ]
Kim, Seol Ji [1 ]
Jang, Du-Jeon [1 ]
机构：
[1] Seoul Natl Univ, Sch Chem, Seoul 151747, South Korea
来源：
JOURNAL OF PHYSICAL CHEMISTRY C | 2011年 / 115卷 / 03期
关键词：
FERMI-LEVEL EQUILIBRATION; SILVER NANOPARTICLES; METAL NANOPARTICLES; CHARGE SEPARATION; GOLD PARTICLES; NANOCRYSTALS; DYNAMICS; HETEROSTRUCTURES; NANOSTRUCTURES; SPECTROSCOPY;
D O I：
10.1021/jp110440p
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：
Au@CdS core-shell nanowires have been fabricated readily by exciting the surface-plasmon resonances of gold nanospheres, which were priorly connected to each other by 1,5-pentanedithiol (PDT) and coated with CdS, using picosecond laser pulses at room temperature. Gold nanospheres were cross-linked by PDT molecules to form gold nanostrands, which were then fixated and protected by CdS shells to yield Au@CdS core-shell nanocomposites. The irradiation of the nanocomposites loaded on a grid of transmission electron microscopy with 532 nm pulses of 30 Ps has produced Au@CdS core-shell nanowires. The thermalized photon energy of surface-plasmon excitation has induced gold nanospheres to fuse together within CdS shells.
引用
收藏
页码：672 / 675
页数：4
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