Mikhail Artemyev
3 records found
1
Authored
CdSe nanoplatelets can be synthesized with different lateral sizes; very small nanoplatelets have almost quantum dot like features (almost discrete exciton states), while very large ones are expected to have properties of colloidal quantum wells (exciton continuum). However, n ...
A strain-induced exciton transition energy shift in CdSe nanoplatelets
The impact of an organic ligand shell
We study the influence of surface passivating ligands on the optical and structural properties of zinc blende CdSe nanoplatelets. Ligand exchange of native oleic acid with aliphatic thiol or phosphonic acid on the surface of nanoplatelets results in a large shift of exciton tr ...
Time-Resolved Stark Spectroscopy in CdSe Nanoplatelets
Exciton Binding Energy, Polarizability, and Field-Dependent Radiative Rates
We present a study of the application potential of CdSe nanoplatelets (NPLs), a model system for colloidal 2D materials, as field-controlled emitters. We demonstrate that their emission can be changed by 28% upon application of electrical fields up to 175 kV/cm, a very high mo ...