| 초록 |
The localized surface plasmon resonance (LSPR) in metallic nanoparticle is occurred from strong interaction between the conductive electrons and the incident light. The LSPR property draws attention from diagnostic field, because of the sub-nanomolar sensitivity in response to the minor change of refractive index near the surface of the nanoparticles. In this article, the relationship of Rayleigh light scattering properties of a single Au nanoparticle with its morphology and local dielectric environment. The results suggest that the shape, size and aspect ratio of Au nanoparticles are important structural factors in determining the spectral peak position, scattering-cross-section, and other resonant Rayleigh light scattering properties of single Au nanoparticles, which gives a handle for the choice of gold nanoparticles for the design and fabrication of single nanosensors. |
