Home News Press Releases The role of Sodium for the Enhancement of Solar Cells Publications of Matthias Hagner All genres Journal Article (1) Journal Article (1) 1. Journal Article Ebenhoch, C.; Gänsler, T.; Schupp, S.; Hagner, M.; Frank, A.; Scheu, C.; Schmidt-Mende, L.: Complementary switching in single Nb3O7(OH) nanowires. APL Materials 9, 071105 (2021) MPG.PuRe DOI publisher-version