| 초록 |
Scientific interest in nanotechnology is driven by the unique properties of metallic nanomaterials such as the strong interaction between the conductive electrons of the nanoparticles and the incident light, caused by localized surface plasmon resonances (LSPRs). In this study, we analyze the relationship of the Rayleigh scattering properties with its size, shape, and local dielectric environment. We also provide a detailed study on the refractive index sensitivity of three types of differently shaped AuNPs, which are nanospheres, oval-shaped nanoparticles and nanorods. This study helps one differentiate the Rayleigh scattering of different size and/or shape and precisely obtain quantitative data as well as the correlated optical spectra from the inhomogeneous solution of AuNPs. These results suggest that the shape, size and aspect ratio of AuNPs are important factors in determining the Rayleigh scattering properties, which gives a handle for the choice of AuNPs for the design and fabrication of single nanosensors. |
