Journal Article photodetectors MoS2 hydrogen evolution reaction 2D ternary alloys Marangoni flow Research Support, Non-U.S. Gov't anodic oxidation arbitrary direction field effect transistor field effect transistors graphene heterojunctions hybrid thin film hydrothermal method nanogenerator p-n junctions piezoelectric nanotubes roll-to-roll production single walled carbon nanotube thermal decomposition transition metal dichalcogenides transition-metal dichalcogenides transparent electrode