Optical Trapping of Gold Nanoparticles in Air

被引：80

作者：

Jauffred, Liselotte ^{[1
]}

Taheri, S. Mohammad-Reza ^{[2
]}

Schmitt, Regina ^{[1
]}

Linke, Heiner ^{[1
]}

Oddershede, Lene B. ^{[3
]}

机构：

[1] Lund Univ, Solid State Phys & Nanometer Struct Consortium nm, S-22100 Lund, Sweden

[2] IASBS, Dept Phys, Zanjan 451951159, Iran

[3] Univ Copenhagen, Niels Bohr Inst, DK-2100 Copenhagen, Denmark

来源：

NANO LETTERS | 2015年 / 15卷 / 07期

关键词：

Aerosol; optical tweezers; gold nanoparticles; silica nanoparticles; power spectral analysis; laser manipulation; aerotaxy; RESONANCES; TWEEZERS; SPECTRUM; DROPLET; GAS;

D O I：

10.1021/acs.nanolett.5b01562

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

Most progress on optical nanoparticle control has been in liquids, while optical control in air has proven more challenging. By utilizing an air chamber designed to have a minimum of turbulence and a single laser beam with a minimum of aberration, we trapped individual 200 to 80 nm gold nanoparticles in air and quantified the corresponding trapping strengths. These results pave the way for construction of metallic nanostructures in air away from surfaces.

引用

页码：4713 / 4719

页数：7

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