期刊
NANOSCALE
卷 7, 期 31, 页码 13186-13190出版社
ROYAL SOC CHEMISTRY
DOI: 10.1039/c5nr03300d
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类别
资金
- Japan Society for the Promotion of Science (JSPS) [26820341]
- MEXT
- Hosokawa Powder Technology Foundation
- Grants-in-Aid for Scientific Research [26820341] Funding Source: KAKEN
Most catalytic micro/nanomotors that have been developed so far use hydrogen peroxide as fuel, while some use hydrazine. These fuels are difficult to apply because they can cause skin irritation, and often form and store disruptive bubbles. In this paper, we demonstrate a novel catalytic Pt micromotor that does not produce bubbles, and is driven by the oxidation of stable, nontoxic primary alcohols and aldehydes with dissolved oxygen. This use of organic oxidation mirrors living systems, and lends this new motor essentially the same characteristics, including decreased motility in low oxygen environments and the direct isothermal conversion of chemical energy into mechanical energy. Interestingly, the motility direction is reversed by replacing the reducing fuels with hydrogen peroxide. Therefore, these micromotors not only provide a novel system in nanotechnology, but also help in further revealing the underlining mechanisms of motility of living organisms.
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