Bert Stegemann

Bert Stegemann is a Professor at HTW Berlin - University of Applied Sciences, affiliated with the Department of Engineering I. His research focuses on Photovoltaics, Lasers, and Materials Science, with specialization in Perovskite solar cells, CIGSe solar cells, and monolithic interconnection schemes.

• Department: Engineering I
• Research Clusters: Climate-friendly energy systems, Laser patterning, Tunnel oxide passivation

Research Trends (2014-2025):
Stegemann has published extensively on laser patterning techniques for photovoltaic modules, particularly analyzing nanosecond vs. picosecond pulse effects on perovskite and CIGSe materials. His work explores interface passivation methods for silicon and chalcopyrite semiconductors, aiming to reduce recombination losses and improve industrial scalability of solar cell fabrication.

Collaborative Networks:
Stegemann collaborates with institutions like the Helmholtz-Zentrum Berlin and the German-American Fulbright Commission. His publications involve co-authors such as Christian Schultz, Eva Unger, and Markus Fenske.

Advising & Institutional Roles:
He has supervised 2 doctorates and participates in departmental governance as a member of the Department Council and Renewable Energies committees.