Abstract
A recently devised, discrete-dipole approximation (DDA) based method for computing optical forces is used to explore geometry dependent aspects of the light induced interactions between pairs of silver nanoparticles, including the influence of particle shape, relative positioning of the particles, and incident field orientation. The interactions are observed to have a large degree of generic character, independent of the details of the particle shape. The size of the optical forces is also compared to estimates for the van der Waals forces, and the results are used to assess the potential importance of radiation forces on recent experiments demonstrating photoinduced self-assembly of triangular silver nanoprisms.
| Original language | English (US) |
|---|---|
| Pages (from-to) | 19243-19253 |
| Number of pages | 11 |
| Journal | Journal of Physical Chemistry B |
| Volume | 110 |
| Issue number | 39 |
| DOIs | |
| State | Published - Oct 5 2006 |
ASJC Scopus subject areas
- Physical and Theoretical Chemistry
- Surfaces, Coatings and Films
- Materials Chemistry
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Wong, V., & Ratner, M. A. (2006). Geometry dependent features of optically induced forces between silver nanoparticles. Journal of Physical Chemistry B, 110(39), 19243-19253. https://doi.org/10.1021/jp063184y