Light‐Driven Sandwich ZnO/TiO2/Pt Janus Micromotors: Schottky Barrier Suppression by Addition of TiO2 Atomic Interface Layers into ZnO/Pt Micromachines Leading to Enhanced Fuel‐Free Propulsion Amir Masoud Pourrahimi, Katherine Villa, Zdeněk Sofer and Martin Pumera* Small Methods 2019, 3(11), 1900258