Journal
NANO LETTERS
Volume 15, Issue 7, Pages 4713-4719Publisher
AMER CHEMICAL SOC
DOI: 10.1021/acs.nanolett.5b01562
Keywords
Aerosol; optical tweezers; gold nanoparticles; silica nanoparticles; power spectral analysis; laser manipulation; aerotaxy
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Funding
- University of Copenhagen
- Knut and Alice Wallenberg Foundation
- Nanometer Structure Consortium, Lund University (nmC@LU)
- Novo Nordisk Fonden [NNF14OC0011361] Funding Source: researchfish
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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.
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