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Surface roughness-induced speed increase for active Janus micromotors.


ABSTRACT: 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 increase in their propulsion speed compared to conventional Janus particles coated with a smooth Pt layer.

SUBMITTER: Choudhury U 

PROVIDER: S-EPMC4425194 | biostudies-literature | 2015 May

REPOSITORIES: biostudies-literature

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