Optical trapping and transportation of carbon nanotubes made easy by decorating with palladium

被引：14
|
作者：
Khan, M
Sood, AK [1 ]
Mohanty, SK
Gupta, PK
Arabale, GV
Vijaymohanan, K
Rao, CNR
机构：
[1] Indian Inst Sci, Dept Phys, Bangalore 560012, Karnataka, India
[2] Ctr Adv Technol, Biomed Applicat Sect, Indore 452013, India
[3] Natl Chem Lab, Phys & Mat Chem Div, Pune 411008, Maharashtra, India
[4] Jawaharlal Nehru Ctr Adv Sci Res, Chem & Phys Mat Unit, Bangalore 560064, Karnataka, India
来源：
OPTICS EXPRESS | 2006年 / 14卷 / 01期
关键词：
D O I：
10.1364/OPEX.14.000424
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
Individual carbon nanotubes being substantially smaller than the wavelength of light, are not much responsive to optical manipulation. Here we demonstrate how decorating single-walled carbon nanotubes with palladium particles makes optical trapping and manipulation easier. Palladium decorated nanotubes (Pd/SWNTs) have higher effective dielectric constant and are trapped at much lower laser power level with greater ease. In addition, we report the transportation of Pd/SWNTs using an asymmetric line trap. Using this method carbon nanotubes can be transported in any desired direction with high transportation speed. (c) 2006 Optical Society of America.
引用
收藏
页码：424 / 429
页数：6
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