Note: We will be closed Memorial Day (May 27). Please see our holiday shipping page for information about last days for shipping to receive your order by the holiday.
  • Gold shelled silica, also referred to as gold nanoshells, consist of a silica core surrounded by a gold shell. By changing the ratio of the size of the core to the thickness of the shell, the plasmon resonance can be tuned across the visible and infrared. Learn more about gold nanoshells ❯