Journal Article photodetectors MoS2 Research Support, Non-U.S. Gov't graphene hydrogen evolution reaction 2D ternary alloys MXenes PMMA anodic oxidation anti‐counterfeiting arbitrary direction cleaning directivity-tunable sound electrostatic forces field effect transistor field effect transistors hybrid thin film hydrothermal method localized surface plasmon resonance maskless lithography microfluidics nanogenerator piezoelectric nanotubes plasmonic color roll-to-roll production silver nanoparticle single walled carbon nanotube thermal decomposition thermoacoustic loudspeakers