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Type: Journal article
Title: Pt-Free microengines at extremely low peroxide levels
Author: Ye, H.
Ma, G.
Kang, J.
Sun, H.
Wang, S.
Citation: Chemical Communications, 2018; 54(37):4653-4656
Publisher: Royal Society of Chemistry
Issue Date: 2018
ISSN: 1359-7345
Statement of
Heng Ye, Guofeng Ma, Jian Kang, Hongqi Sun and Shaobin Wang
Abstract: Herein, we demonstrate that iron oxide modified MnO2 (FeOx-MnO2) catalyzed micromotors can be fabricated via electrochemical co-reduction and exhibit exceptional high performance at an extremely low hydrogen peroxide (H2O2) fuel concentration. We observed that graphene/FeOx-MnO2 microtubes could show motion behaviors at fuel concentration as low as 0.03% H2O2, which is nearly one order of magnitude lower than Pt-based micromotors (normally at above 0.2% H2O2). Moreover, the micromotors exhibit higher speeds than any other reported catalytic micro/nanomotors (MNMs) at low peroxide levels. The FeOx-MnO2 systems are better catalytic MNMs, due to their excellent catalytic activity, easy fabrication, robust structure and movement, as well as low-cost, biocompatible and abundance nature, showing great potential for future applications.
Rights: This journal is © The Royal Society of Chemistry 2018. Open Access Article. This article is licensed under a Creative Commons Attribution 3.0 Unported Licence.
RMID: 0030096518
DOI: 10.1039/c8cc01548a
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Appears in Collections:Chemistry publications

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