• Silicon based solar cells
  • Thin-film technology
  • 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.