Prof. Dr. Stefan Glunz

Research focus

• Design and fabrication of high-efficiency silicon solar cells
• Analysis of loss mechanisms in solar cells and photovoltaic materials (silicon, III-V, perovskites)
• Characterisation of fundamental semiconductor parameters as Auger recombination in silicon
• Development of novel solar cell concepts (perovskite/silicon tandem cells)

Publications: Google Scholar

Curriculum vitae

Since 01/2024  Head of division at Fraunhofer ISE "Photovoltaics"

Since 2022  Head of INATECH (Department of Sustainable Systems Engineering), Faculty of Engineering, University Freiburg

Since 06/2015  Professorship (W3, Full Professor) at the Albert-Ludwigs-University Freiburg, Germany, “Laboratory for Photovoltaic Energy Conversion”

04/2011   Head of division at Fraunhofer ISE “Solar Cells – Development and Characterization” (later "Photovoltaic - Research")

01/2007 – 03/2011   Head of department at Fraunhofer ISE “Silicon Solar Cells – Development and Characterization”

10/1999 – 12/2006   Head of group at Fraunhofer ISE “High-efficiency silicon solar cells”

01/1996 – 10/1999   Scientist in the high-efficiency silicon solar cell group at Fraunhofer ISE

12/1995   Ph.D. (physics), Albert-Ludwigs-Universität, Freiburg

Awards and outstanding achievements

2004: First multicrystalline silicon solar cells above 20% efficiency

2008: Eni Award (for the promotion of science and technology in the field of renewable energies): Science and Technology Award

2013: First publication on TOPCon technology (now the leading industrial solar cell technology) by Fraunhofer ISE

2014: Becquerel Prize for Outstanding Merits in Photovoltaics 2014

2015: First both-side contacted monocrystalline silicon solar cell with an efficiency above 25% (TOPCon)

2022: Two-terminal III-V//Si triple-junction solar cell with a conversion efficiency of 35.9%

2023: Monolithic two-terminal perovskite/perovskite/silicon triple-junction solar cell with an open-circuit voltage > 2.8V

2023: Fully textured perovskite/silicon tandem cell with an efficiency of 30% using an industrially upscalable process route