Photoemission Electron Microscopy for Analysis of Plasmonic Responses of Silver Nanoparticles

This is the authors' abstract. We don't add key points for this paper.

Metallic nanoparticles have attracted considerable attention over the last decade due to their plasmonic properties. They exhibit localized surface plasmon resonances (LSPR) at particular excitation frequencies depending on the size, shape and material. The synthesis and properties of these particles have been extensively studied [1-3] and there are a wide variety of applications in medical tagging, sensing, and optical coupling [4-6]. As we move toward more complex devices it becomes critically important to understand and measure resonance coupling interactions of small groups of individual particles. The LSPR of a particular particle can be modified by proximity to a substrate or neighboring particles [7-13] and there is a need for characterization tools to analyze these dependencies for small systems.