Cherie R Kagan Research Group

Electrical and Systems Engineering - Chemistry - Materials Science and Engineering

Plasmonic Materials

Subwavelength metal and highly-doped semiconductor structures support surface plasmons – collective oscillations of the delocalized electrons in the material upon interaction with light. In the Kagan group, we construct plasmonic structures through both top-down nanofabrication from bulk materials and bottom-up assembly from nanocrystal building blocks. We apply plasmonic nanostructures 1) to utilize their strong electromagnetic fields to enhance absorption, charge separation and photoluminescence in organic and inorganic materials and their devices and 2) as building blocks in the construction of large-area, broadband, tunable optical metamaterials.

Plasmonic Enhancement of Upconversion Nanophosphor Luminescence
Nanocrystal Plasmonics
ITO Nanorod Filters

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