Sadewasser Group

Sadewasser Group

Focusing on Nanostructured Solar Cells, the Sadewasser Group develops nano and micro-structures of chalcopyrite-type semiconductors (Cu(In,Ga)Se2) for application in photovoltaic energy conversion.

Research Lines:

  • Development of advanced thin-film solar cells by the implementation of micro- and nanostructures.
  • Development and application of scanning probe microscopy techniques for the characterization of solar cell materials and light-induced phenomena at the nanometer scale.
  • Development of 2D materials for optoelectronics applications.
  • Development of material for energy devices, building on the expertise from the other activities. Currently, the group has activities on thin-film solid-state batteries and thermoelectric materials and devices.

The laboratory is equipped with various materials preparation facilities consisting of a molecular beam epitaxy (MBE) setup for the growth of nanostructured chalcopyrite-type semiconductors, a hybrid sputter system for the fabrication of Cu(In,Ga)Se2 solar cells by sputtering of Mo, Cu, In, Ga, and ZnO thinfilms and evaporation of Se

The lab also operates an ultra-high vacuum scanning probe microscope, combining STM, AFM, and KPFM facilities with surface photovoltage methods to study light-induced phenomena at the nanometer scale. An AFM inside a glove-box environment is used for improving the understanding of thin-film battery materials and materials for hydrogen generation.

We are always open to new team members. If you are interested in joining us and applying for external funding (i.e., MSCA, FCT, etc.), please contact Sascha by email at sascha.sadewasser@inl.int.

Team

Alumni

Projects

Hi-BITS

High efficiency bifacial thin film chalcogenide solar cells

REMAP

REusable MAsk Patterning

NGS

New Generation Storage

GreenAuto

Green Innovation for the Automotive Industry

M2N

Moving2Neutrality

SITA

Stable Inorganic TAndem solar cell with superior device efficiency and increased durability

Design-Solar

Designing superior CIGSe solar cells through understanding and controlling growth

UL-Flex-Cell

High-performance, ultra-light flexible CIGS Solar Cell

CASOLEM

Correlated Analysis of Inorganic Solar Cells in and outside an Electron Microscope

CIGNUS

CuInGaSe Nanowires Under the Sun

Sharc25

Super high efficiency Cu(In,Ga)Se2 thin-film solar cells approaching 25%

Publications