Tight-binding calculations of image charge effects in colloidal nanoscale platelets of CdSe - Foton - Fonctions Optiques pour les Technologies de l'informatiON Access content directly
Journal Articles Physical Review B: Condensed Matter and Materials Physics (1998-2015) Year : 2014

Tight-binding calculations of image charge effects in colloidal nanoscale platelets of CdSe

Abstract

CdSe nanoplatelets show perfectly quantized thicknesses of few monolayers. They present a situation of extreme, yet well de ned quantum con nement. Due to large dielectric contrast between the semiconductor and its ligand environment, interaction between carriers and their dielectric images strongly renormalize bare single particle states. We discuss the electronic properties of this original system in an advanced tight-binding model, and show that Coulomb interactions, including self-energy corrections and enhanced electron-hole interaction, lead to exciton binding energies up to several hundred meVs.
Fichier principal
Vignette du fichier
benchamekhPRB2014.pdf (239.25 Ko) Télécharger le fichier
Origin : Files produced by the author(s)
Loading...

Dates and versions

hal-00942566 , version 1 (12-03-2014)

Identifiers

Cite

Ramzi Benchamekh, Nikolay A. Gippius, Jacky Even, Mikhail O. Nestoklon, Jean-Marc Jancu, et al.. Tight-binding calculations of image charge effects in colloidal nanoscale platelets of CdSe. Physical Review B: Condensed Matter and Materials Physics (1998-2015), 2014, 89 (3), pp.035307. ⟨10.1103/PhysRevB.89.035307⟩. ⟨hal-00942566⟩
636 View
331 Download

Altmetric

Share

Gmail Facebook X LinkedIn More