0000000000583540
AUTHOR
Robrecht M. A. Vergauwe
showing 2 related works from this author
Extraordinary Electrical Conductance of Non-conducting Polymers Under Vibrational Strong Coupling
2023
Achieving vibrational mode selectivity to control molecular properties is a challenging task that has become greatly facilitated by vibrational strong coupling. Here we show that strongly coupling the vibrational transitions of polystyrene (PS) and poly (benzyl-methacrylate) (PBMA) to the vacuum electromagnetic field of the cavity enhances the electrical conductance by several orders of magnitude. Remarkably, the extraordinary enhancement of electrical conductance in PS is mode-selective to the vibrational strong coupling (VSC) of the aromatic ring out-of-plane bending transitions corresponding to B2 symmetry. The delocalized hybrid light-matter states formed under VSC could promote extende…
Plasmonic Resonant Nanoantennas Induce Changes in the Shape and the Intensity of Infrared Spectra of Phospholipids.
2021
Surface enhanced infrared absorption spectroscopic studies (SEIRAS) as a technique to study biological molecules in extremely low concentrations is greatly evolving. In order to use the technique for identification of the structure and interactions of such biological molecules, it is necessary to identify the effects of the plasmonic electric-field enhancement on the spectral signature. In this study the spectral properties of 1,2-Dipalmitoyl-sn-glycero-3 phosphothioethanol (DPPTE) phospholipid immobilized on gold nanoantennas, specifically designed to enhance the vibrational fingerprints of lipid molecules were studied. An AFM study demonstrates an organization of the DPPTE phospholipid in…