Journal
NANOSCALE
Volume 7, Issue 23, Pages 10498-10503Publisher
ROYAL SOC CHEMISTRY
DOI: 10.1039/c5nr00759c
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Funding
- National Basic Research Program of China (973 Program) [2011CB935800]
- National Science Foundation of China [21405152]
- Science and Technology Development Plan of Jilin Province [20130101126JC]
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Three-dimensional Prussian blue-reduced graphene oxide hydrogel was synthesized with the assistance of sodium dodecyl sulfate (SDS) through a facile hydrothermal method. The hydrogel exhibited strong mechanical properties and was successfully applied as a self-propelling motor for water treatment. During the self-propelling degradation process, SDS facilitated the rapid liberation of oxygen bubbles from the motor and the oxygen bubbles assisted the rapid diffusion of hydroxyl radicals. In addition, the well-defined structure increased the number of reaction sites and the synergy between reduced graphene oxide and Prussian blue, which accelerated the degradation efficiency. The self-propelling motor had an average velocity of 0.026 +/- 0.013 cm s(-1) in 7.5% H2O2 and 0.069 +/- 0.032 cm s(-1) in 22.5% H2O2. Moreover, the self-propelling motor maintained high degradation efficiency even after cycling for 9 times. These excellent properties make the self-propelling motor an ideal candidate for water treatment.
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