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Hybrid Plasmonics

JPEGHybrid plasmonic benefits from the coupling of plasmonic states with molecular electronic, excitonic or vibrational states in order to enhance the near-field interactions and to enable their exploitation for various applications: photo-voltaic, photo-catalysis, plasmo-electronics, enhanced spectroscopies (IR, SERS, TERS), sensing. This topic is developed in collaboration with material synthesis labs. in particular in the United States (university of Rice, Houston) and in France (L2C/Annealsys/IEM Montpellier, LAAS-CNRS Toulouse) and in the frame of Labex-NEXT and regional projects (DIMENSION 2019-2021).

Contact : adnen.mlayah[at]cemes.fr

Figure 1: left – Schematic representation of a single MoS2 sheet coupled to a 2D array of plasmonic antennas. Right – Photoluminescence image of the MoS2 sheet deposited ontop of the array of gold antennas [1]. © CEMES-CNRS


Figure 2: Optical absorption spectra of a multilayer MoSe2 flake transferred to gold nanodisks showing the redshift of the hybrid plasmonic-excitonic resonance with increasing thickness of the MoSe2 layer [2]. © CEMES-CNRS



[1] S. Najmaei et al., ACS Nano. 8, 12682 (2014)

[2] I. Abid et al., Nanoscale 8, 8151-8159 (2016)

[3] I. Abid et al., ACS photonics, 4,1653-1660 (2017)

[4] I. Abid et al., Optics Express, 26, 2941 (2018)

[5] A. Meznia et al., Materials Chemistry and Physics, 221, 118 (2019)

[6] J. Cure et al., International Journal of Hydrogen Energy, in press (2019)