Molybdenum Dichalcogenide Nanotube Arrays for Hydrogen-Evolution-Reaction Catalysis: Synergistic Effects of Sulfur and Selenium in a Core-Shell Tube Wall - Zhou, Xuemei; Prikryl, Jan; Krbal, Milos; Macak, Jan M.; Schmuki, Patrik (Friedrich-Alexander-Universität Erlangen-Nürnberg, 2017)