Quantum confinement and 2D systems – Nanocrystal optoelectronics



Emmanuel Lhuillier, Yoann Prado


Nanocrystals are used as building blocks for optoelectronic components such as LEDs, solar cells, infrared detectors and cameras. This research activity has a clear focus on infrared materials, in particular PbS and HgTe nanocrystals, but we are also interested in perovskite materials or 2D materials (graphene, WSSe…). Our objectives are twofold: to correlate the electronic structure of confined semiconductors with their transport properties and to fabricate components in particular in the near and mid-infrared. The experimental techniques used are the following: nanoparticle synthesis and component fabrication using the INSP’s glovebox and clean room, absorption (200 nm to 150 µm) and emission (400 nm to 2.5 µm) spectroscopy, low-current electronic transport measurements, photoconduction measurements under cryogenic conditions, characterisation of optoelectronic components.

FigureEmission of nanocrystals in the near infrared.


Doctoral students: C. Gréboval, A. Chu, A. Khalili, T. Dang

Defended theses: B. Martinez (2019), C. Livache (2019), J. Qu (2021)

Post-Doctoral students : S. Piereni, E. Izquierdo



  • ESPCI – Sandrine Ithurria
  • Synchrotron Soleil on Tempo (Mathieu Silly) and Smis (francesco Capitani) lines
  • Onera – Greogory Vincent, New Imaging Technologies



  • ERC BlackQD
  • Project ANR-DGA NITQuantum
  • ANR Copin and Frontal