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Photophysical characterization of single molecules in thin films
Stage M2CEA Saclay, Site de l’Orme des merisiers (91) Essonne, FranceApril 4 20256 monthDomain, Specialties : Molecular physics Keywords: Nanophotonics, Spectroscopy, Single photon emitters, Quantum mechanics Research Unit : SPEC / LEPO The aim of this internship is to prepare polymer thin films, doped with organic molecules of interest, and characterize them at the single-molecule scale using advanced microscopy techniques. In two research projects, our team is studying…
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Internal structure of ferroelectric nanocrystals: coupling between local piezoresistance microscopy and optical measurements
Stage M2CEA Saclay, Site de l’Orme des merisiers (91) Essonne, FranceFebruary 1 20244 monthDomain, Specialties : Condensed matter physics Keywords: Nanosciences, nanotechnologies, photonics, local probe microscopy Research Unit : SPEC / LEPO This internship aims at correlating local probe measurements (AFM electrical modes) to optical measurements (frequency conversion, in particular 2nd harmonic generation – SHG) in order to reveal the structure of piezoelectric nanocrystals towards a better understanding…
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Study of electronic processes in nitride LEDs by electro-emission microscopy
December 20 20246 monthDomain, Specialties : Condensed matter physics Keywords: Energy efficient devices, semiconductors, microscopy Research Unit : SPEC / LEPO Although nitride LEDs are extremely efficient at low indium content (for blue emission) and low current densities, they suffer from drastic drops in efficiency when going out of theses regimes, partly due to an increase of Auger-Meitner…
PhD thesis
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Covalent 2D organic nanostructures by optically controlled cross-linking of molecular self-assemblies
LEPO : Solid state physics, surfaces and interfacesParis-Saclay Ondes et Matière (EDOM) SaclayThe self-assembly of molecules on crystalline substrates leads to non-covalent 2D structures with interesting properties for various fields such as optoelectronics and sensors. The stabilization of… -
Fluorescence photoswitching for excitonic gate
LEPO : Physical chemistry and electrochemistrySaclayFörster Resonance Energy Transfer (FRET) enables the exciton diffusion between molecules through a characteristic distance of 1 to 10 nm. The association of multiple fluorophores represents a… -
Study of electronic processes in nitride LEDs by electro-emission microscopy
LEPO : Solid state physics, surfaces and interfacesParis-Saclay Ondes et Matière (EDOM) SaclayNitride LEDs are universally used for energy-efficient lighting. They are extremely efficient at low indium content and low current density, allowing to produce commercial white LEDs from a blue LED…