University of Cagliari
Plasmonic Structures for Sensing and Emitting Devices
FIGUS, CRISTIANA;MURA, ANTONIO ANDREA;BONGIOVANNI, GIOVANNI LUIGI CARLO;QUOCHI, FRANCESCO;
2014-01-01
Abstract
We report on the study of a plasmonic nanostructure that could be adopted as platform for emitting and sensing applications. Several devices have been prepared and characterized by atomic force microscopy (AFM) and Fourier transform micro-reflectance (FT- R) techniques. In addition, a modelling via finite-difference time-domain (FDTD) simulations have been developed in order to interpret the morphological shape and the optical response of the considered structures. Until now, remarkable performances as surface plasmon resonance (SPR) based optical sensor have been founded. Moreover, we are performing preliminary trials in order to establish a coupling between photoluminescence (PL) features of suitable emitters with respect to the plasmonic resonances.
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