Home News Short News Professor Dierk Raabe elected to the National Academy of Engineering Class of 2025 Publications of Stefan G. Haass All genres Journal Article (1) Journal Article (1) 1. Journal Article Andres, C.; Schwarz, T.; Haass, S. G.; Weiss, T. P.; Carron, R.; Caballero, R.; Figi, R.; Schreiner, C.; Bürki, M.; Tiwari, A. N. et al.; Romanyuk, Y. E.: Decoupling of optoelectronic properties from morphological changes in sodium treated kesterite thin film solar cells. Solar Energy 175, pp. 94 - 100 (2018) MPG.PuRe DOI