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Boosting Aerobic Oxidation of Alcohols via Synergistic Effect between TEMPO and a Composite Fe3O4/Cu-BDC/GO Nanocatalyst
journal contribution
posted on 2020-03-06, 19:08 authored by Hassan Alamgholiloo, Sadegh Rostamnia, Kaiqiang Zhang, Tae Hyung Lee, Yoon-Sik Lee, Rajender S. Varma, Ho Won Jang, Mohammadreza ShokouhimehrFabrication
of a nanocomposite catalyst via a novel and efficient
strategy remains a challenge; Fe3O4 nanoparticles
anchored on graphene oxide (GO) sheet-supported metal-organic frameworks
(MOFs). In this study, the physicochemical properties of the ensuing
Fe3O4/Cu-BDC/GO are investigated using Fourier
transform infrared spectrum, scanning electron microscopy, transmission
electron microscopy, X-ray photoelectron spectroscopy, energy-dispersive
X-ray detector, and atomic absorption spectroscopy. The salient features
of the nanocomposite such as Cu-MOF, synergistic effect with GO sheets,
and magnetic separation characteristics make it an excellent ternary
heterostructure for aerobic oxidation of alcohols. The proposed nanocatalyst
and co-catalyst 2,2,6,6-tetramethylpiperidine-N-oxyl
substantially enhance the catalytic performance for the aerobic oxidation
under very mild and sustainable reaction conditions. The heterogeneity
of Fe3O4/Cu-BDC/GO composite catalyst is affirmed
with the added advantage that the initial activity is well maintained
even after seven cycles.
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separation characteristicsenergy-dispersive X-ray detectorSynergistic Effectreaction conditionsternary heterostructureabsorption spectroscopygraphene oxidesheet-supported metal-organic frameworksBoosting Aerobic OxidationoxidationX-ray photoelectron spectroscopynanocomposite catalystCu-BDCphysicochemical propertiestransmission electron microscopyFe 3 O 4 nanoparticlesscanning electron microscopyMOF
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