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  • Surface roughness-induced speed increase for active Janus micromotors 

    choudhury, Udit; Soler Turu, Lluís; Gibbs, John G.; Sanchez, Samuel; Fischer, Peer (2015-01-01)
    Open Access
    We demonstrate a simple physical fabrication method to control surface roughness of Janus micromotors and fabricate self-propelled active Janus microparticles with rough catalytic platinum surfaces that show a four-fold ...