Hydrothermal self - sacrificing growth of polymorphous MnO2 on magnetic porous - carbon (Fe3O4@Cg/MnO2): A sustainable nanostructured catalyst for activation of molecular oxygen
- Authors
- Bakhtiarzadeh, Z.; Rouhani, Shamila; Karimi, Ziba; Rostamnia, Sadegh; Msagati, Titus M.; Kim,Dokyoon; Jang, Ho Won; Ramakrishna, Seeram; Varma, Rajender S.; Shokouhimehr, Mohammadreza
- Issue Date
- Jun-2021
- Publisher
- Elsevier B.V.
- Keywords
- Alcohol oxidation; Magnetic nanoparticles; MnO2; Nanostructured catalyst
- Citation
- Molecular Catalysis, v.509, pp.1 - 8
- Indexed
- SCIE
SCOPUS
- Journal Title
- Molecular Catalysis
- Volume
- 509
- Start Page
- 1
- End Page
- 8
- URI
- https://scholarworks.bwise.kr/erica/handle/2021.sw.erica/105763
- DOI
- 10.1016/j.mcat.2021.111603
- ISSN
- 2468-8231
- Abstract
- Novel core-shell carbon coated-magnetic (Fe3O4@Cg) nanoparticles supported MnO2 nanosheets (with α- and β-type structure) (Fe3O4@Cg/MnO2) are synthesized through a self-sacrificing templet method. The new hybrid material was fully characterized with Fourier transformed infrared spectroscopy, energy-dispersive X-ray spectroscopy, scanning electron microscopy, X-ray diffraction analysis (XRD), N2 adsorption/desorption analysis, and transmission electron microscopy; XRD and SEM results affirmed that α- and β-MnO2 nanosheets polymorphs onto the Fe3O4@Cg. The catalytic activity of the as-prepared nanostructured catalyst Fe3O4@Cg/MnO2 has been evaluated in O2 activation for the selective oxidation of benzyl alcohol to benzaldehyde with high conversion; it stability being confirmed by the recycling of the nanostructured catalyst with no obvious loss even after six repeated runs. © 2021
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