Journal
JOURNAL OF CHEMICAL PHYSICS
Volume 139, Issue 3, Pages -Publisher
AMER INST PHYSICS
DOI: 10.1063/1.4813791
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Funding
- Japan Society for the Promotion of Science (JSPS) [23656497]
- Advanced Study for Integrated Particle Science and Technology of Doshisha University
- Ministry of Education, Culture, Sports, Science and Technology, Japan
- Grants-in-Aid for Scientific Research [23656497] Funding Source: KAKEN
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Most of the current studies on nano/microscale motors to generate regular motion have adapted the strategy to fabricate a composite with different materials. In this paper, we report that a simple object solely made of platinum generates regular motion driven by a catalytic chemical reaction with hydrogen peroxide. Depending on the morphological symmetry of the catalytic particles, a rich variety of random and regular motions are observed. The experimental trend is well reproduced by a simple theoretical model by taking into account of the anisotropic viscous effect on the self-propelled active Brownian fluctuation. (C) 2013 AIP Publishing LLC.
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