Journal
INDUSTRIAL & ENGINEERING CHEMISTRY RESEARCH
Volume 51, Issue 15, Pages 5608-5614Publisher
AMER CHEMICAL SOC
DOI: 10.1021/ie2025147
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Funding
- National Natural Science Foundation of China [20774028]
- Fundamental Research Funds for the Central Universities
- Shanghai Science and Technology Commission [10JC1403800, 10111100103]
- Chinese Scholarship Council
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Recoverable platinum nanocatalysts immobilized on magnetic spherical polyelectrolyte brushes (MSPB) were synthesized and characterized by high resolution transmission electron microscope (HRTEM), thermal gravimetric analysis (TGA), X-ray diffraction (XRD), and vibrating sample magnetometer (VSM). High catalytic activity was found by photometrically monitoring the reduction of 4-nitrophenol by NaBH4 in the presence of MSPB-Pt composites. An excellent stability and recyclability of catalyst was observed after consecutive eight runs following by external magnetic-separation and redispersion. This novel approach provides an excited potential application in preparation of recyclable metal nanocatalysts with high activity.
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