Fig. 1From: Atomic Layer Deposition of Pt Nanoparticles for Microengine with Promoted Catalytic MotionFabrication of Pt nanoparticle-decorated tubular microengine. a Diagram of the fabrication procedure. b SEM image of a SiO/SiO2/Pt nanoparticle microtube. c An enlarged image of the Pt nanoparticles on the inner wall of the microtubeBack to article page