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Robert Witteck joined  NREL's Chemistry and Nanoscience Center in 2022 as a postdoctoral researcher for materials science and photovoltaics (PV). His current research focuses on the solar module integration of perovskite as well as perovskite-tandem solar cells.

Robert received his doctoral degree in physics from the Gottfried Wilhelm Leibniz University Hannover in 2019. In his doctoral thesis, he investigated the optical and electrical cell-to-module losses for passivated emitter and rear cells and the ultraviolet stability of these cells in a solar module. While obtaining his doctorate, he worked for the PV module group at the Institute for Solar Energy Research in Hamelin (ISFH). Since the successful completion of his doctorate, he led the SUPERPV project on cost reduction of solar modules at ISFH, an European Union Horizon2020 project with 26 international partners. For the project, he developed integrated bypass diodes and light-harvesting structures for bifacial solar modules. 

Solar modules

Perovskite solar cells and modules

Tandem solar cells and modules

Postdoc, Institute for Solar Energy Research in Hamelin (2019–2022)

Doctoral Student, Institute for Solar Energy Research in Hamelin (2014–2019)