Rhenium Doping of Layered Transition-Metal Diselenides Triggers Enhancement of Photoelectrochemical Activity Veronika Urbanová, Nikolas Antonatos, Jan Plutnar, Petr Lazar, Jan Michalička, Michal Otyepka, Zdeněk Sofer, and Martin Pumera* ACS Nano 2021, 15(2), 2374-2385