Format

Send to

Choose Destination
Nano Lett. 2005 Oct;5(10):1937-42.

Expanding the optical trapping range of gold nanoparticles.

Author information

1
Niels Bohr Institute, University of Copenhagen, Blegdamsvej 17, 2100 Copenhagen, Denmark.

Abstract

We demonstrate stable three-dimensional (3D) single-beam optical trapping of gold nanoparticles with diameters between 18 and 254 nm. Three-dimensional power spectral analysis reveals that, for nanoparticles with diameters less than 100 nm, the trap stiffness is proportional to the volume of the particle. For larger particles, the trap stiffness still increases with size, however, less steeply. Finally, we provide numbers for the largest forces exertable on gold nanoparticles.

PMID:
16218713
DOI:
10.1021/nl051289r

Supplemental Content

Full text links

Icon for American Chemical Society
Loading ...
Support Center