- Silicon based solar cells
- Silicon thin film technology
- a-Si:H and µc-Si:H based devices
- Production of Si thin film solar modules and technology transfer
since Oct. 2010
Manager Thin-Film Silicon Photovoltaics group at the PVcomB.
2007 - 2010
Department Head Process Development at Sunfilm AG (before April 2009: Sontor GmbH)
Topics: Ramp-up & Development of a-Si/µc-Si Tandem Modules in Production Line.
2003 - 2006
Research Engineer at Akzo Nobel bv ("Helianthos"project) Development of flexible thin film silicon solar cells and modules.
2002 - 2003
post doc at Utrecht University, Topic: Development of a-Si based solar cells.
1998 - 2002
PhD physics, Utrecht University, Title: “Silicon-based Thin-Film Transistors with a high Stability”.
1996 - 1997
Master thesis ("Physik Diplom") at Forschungszentrum Jülich, "transient photocurrent in amorphous thin-film semiconductors - Experiment and simulation on p-i-n solar cells" .
1991 - 1996
Study of physics at RWTH Aachen and University Duisburg.