Colloidal dispersion of gold nanorods : Historical background , optical properties , seed-mediated synthesis , shape separation and self-assembly

@inproceedings{Sharma2009ColloidalDO,
  title={Colloidal dispersion of gold nanorods : Historical background , optical properties , seed-mediated synthesis , shape separation and self-assembly},
  author={Vivek Sharma and Kyoungweon Park and Mohan Srinivasarao},
  year={2009}
}
The color of colloidal dispersions of gold particles in a fluid, typically water, varies from red to blue, depending upon the shape and size of particles. The color and optical properties of gold nanoparticles originate from localized surface plasmons, and are sensitive to their local dielectric environment. Unlike nanospheres, the optical properties, hydrodynamic behavior as well as phase behavior of nanorods are influenced by their shape anisotropy. Thus, rods have an additional absorption… CONTINUE READING