Abstract
Optical characterization of both gold and silver bi-pyramid nano-shells are investigated using the finite difference time domain (FDTD) method. This method is a convenient way for describing both quantitatively and qualitatively the optical response of nano-oshells/nanoparticles of arbitrary geometry and shape that surrounding the active medium. The surface plasmon peaks of gold and silver bi-pyramid nano-shell can be tuned from visible to the near infrared region by controlling the size (aspect ratio), surface sharpness and polarization of light. Surface plasmons provide a powerful means of confining light to nano-shells, which in turn can enhance local electromagnetic fields and significantly amplify the signal finally used for surface enhanced Raman scattering (SERS).
Talk to us
Join us for a 30 min session where you can share your feedback and ask us any queries you have
Disclaimer: All third-party content on this website/platform is and will remain the property of their respective owners and is provided on "as is" basis without any warranties, express or implied. Use of third-party content does not indicate any affiliation, sponsorship with or endorsement by them. Any references to third-party content is to identify the corresponding services and shall be considered fair use under The CopyrightLaw.