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Ag-deposited silica-coated Fe3O4 magnetic nanoparticles catalyzed reduction of p-nitrophenol
Open accessAbstract
Abstract In this paper, a novel approach was successfully developed for advanced catalyst Ag-deposited silica-coated Fe 3 O 4 magnetic nanoparticles, which possess a silica coated magnetic core and growth active silver nanoparticles on the outer shell using n-butylamine as the reductant of AgNO 3 in ethanol. The as-synthesized nanoparticles have been characterized by X-ray powder diffraction (XRD), transmission electron microscopy (TEM), energy dispersive X-ray analysis (EDX), Fourier transform infrared spectra (FT-IR), vibration sample magnetometer (VSM), and have been exploited as a solid phase catalyst for the reduction of p -nitrophenol in the presence of NaBH 4 by UV–vis spectrophotometry. The obtained products exhibited monodisperse and bifunctional with high magnetization and excellent catalytic activity towards p -nitrophenol reduction. As a result, the as-obtained nanoparticles showed high performance in catalytic reduction of p -nitrophenol to p -aminophenol with conversion of 95% within 14 min in the presence of an excess amount of NaBH 4 , convenient magnetic separability, as well as remained activity after recycled more than 6 times. The Fe 3 O 4 @SiO 2 –Ag functional nanostructure could hold great promise for various catalytic reactions.
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Piezoelectric Nanogenerators Based on Zinc Oxide Nanowire Arrays
Wang, Z. L., & Song, J. (2006) · Science · doi:10.1126/science.1124005 · Cited by 7,922
Cited by
Ibrahim, I., Ali, I. O., Salama, T. M., Bahgat, A. A., & Mohamed, M. M. (2016) · Applied Catalysis B: Environmental · doi:10.1016/j.apcatb.2015.08.005 · Cited by 303
Metadata
- Authors
- Du, X., He, J., Zhu, J., Sun, L., & An, S.
- Venue
- Applied Surface Science
- Publisher
- Elsevier BV
- Published
- 2012-01
- Volume
- 258
- Issue
- 7
- Pages
- 2717-2723
- ISSN
- 0169-4332 (ISSN-L)
- OpenAlex
- W2042761718
- Cited by
- 244
- References
- 1
- FWCI
- 4.49
- Type
- journal article
- Language
- en
- Open access
- green
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- Du, X., He, J., Zhu, J., Sun, L., & An, S. (2012). Ag-deposited silica-coated Fe3O4 magnetic nanoparticles catalyzed reduction of p-nitrophenol. Applied Surface Science. https://doi.org/10.1016/j.apsusc.2011.10.122
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