Research
Field: Electronic and optical properties of semiconductor materials and nanostructures (optical, photoelectrical and electrical studies, computer simulations)
Subjects:
· Surface photovoltage and photoconductivity spectroscopy of
─
photovoltaic
materials
and solar cell structures based on dilute nitrides (GaAsSbN/GaAs, InGaAs(Sb)N/GaAs) and perovskites/Si;
- nanostructures (quantum wells, superlattices, quantum wires, quantum dots) for optoelectronic applications (emitters, IR detectors).
· Calculations of the reflectivity and transmission spectra of multi-layers with rough interfaces.
Nanostructures and
Photovoltaics |
|
Research stays
abroad:
10.2021 |
Visiting professor in the
Group of electrical engineering (GeePs),
CentraleSupelec, University
Paris Saclay, France. Surface
photovoltage studies of perovskite/Si structures. |
06 - 07.2008 |
Visiting Scientist in the Department of Condensed Matter Physics,
Institute of Physics, "Gleb Wataghin" - UNICAMP, Campinas, Brazil,
in the team of Prof. Fernando Iikawa (FAPESP fellowship) Optical studies
of InP/GaAs multi-layer quantum dots. |
11.2002-11.2003 |
Visiting Scientist in Dept. of Physics and
Measurement Technology, Linköping University, in the team of Prof. Per-Olof
Holtz (STINT fellowship). Optical studies of InAs quantum dots. |
05 -
07.2002 |
Chair for Semiconductor Physics, Institute for
Technical Physics I, University of Erlangen, in the team of Prof. Dr.
Gottfried Döhler (DAAD fellowship). Electrical properties of
low-temperature grown GaAs |
04 - 06.2001 |
Associated researcher in the Laboratory of
Disordered and Heterogeneous Materials, University Paris 6, in the team of
Prof. J.C.Bourgoin. Electron transport in irradiated Quantum well IR
Photodetectors. |
11.1997-11.1998 |
School of Physics and Astronomy, University of
St.Andrews, in the team of Prof. Alan Miller. (Royal Society/NATO
post-doctoral fellowship) Reflectivity of GaAs/AlAs multiple quantum wells
with oxidised barriers. |
10.1992-07.1993 |
Institute of Micro- and Optoelectronics, EPFL, Switzerland,
in the team of Prof. F.K.Reinhart (Swiss government fellowships). PL and
PLE of GaAs/AlAs quantum wells and quantum wires. |
01 - 06.1992 |
Group of Solid State Physics, University Paris
7, in the team of Prof. J.C.Bourgoin.). (French government fellowship).
Studies of DX-centers in AlGaAs and the band-offset of GaAs/GaInP
heterojunctions |