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Facile synthesis of α-Fe2O3 nanoparticles and their catalytic activity in oxidation of benzyl alcohols with periodic acid

Paper ID Volume ID Publish Year Pages File Format Full-Text
49349 46740 2015 7 PDF Available
Title
Facile synthesis of α-Fe2O3 nanoparticles and their catalytic activity in oxidation of benzyl alcohols with periodic acid
Abstract

•Homogeneous chemical precipitation followed by calcination effectively resulted in α-Fe2O3 nanoparticles.•Nanoparticles size was tuned using surfactant polyethylene glycol with a molecular weight of 400 and 4000.•The α-Fe2O3 nanoparticles showed rhombohedrally centered hexagonal structure.•Nanoparticles synthesized in presence of PEG 4000 are quasi-spherical in shape with a size of 5–20 nm.•α-Fe2O3 nanoparticles synthesized in presence of PEG 4000 showed highest catalytic efficiency.

α-Fe2O3 nanoparticles (NPs) were synthesized by homogeneous chemical precipitation followed by calcination. Size-tuning of NPs was achieved by using polyethylene glycol with a molecular weight of 400 and 4000 as surfactant. Synthesized α-Fe2O3 NPs were characterized by powder XRD, transmission electron microscopy, N2 adsorption–desorption isotherm and vibrating sample magnetometry. These α-Fe2O3 NPs were used as magnetically recoverable catalyst in oxidation of benzyl alcohols to aldehydes with periodic acid. The catalyst showed higher efficiency with decrease in their sizes.

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Keywords
α-Fe2O3 nanoparticles; Polyethylene glycol; Size-tuning; Magnetically recoverable catalyst
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Facile synthesis of α-Fe2O3 nanoparticles and their catalytic activity in oxidation of benzyl alcohols with periodic acid
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Publisher
Database: Elsevier - ScienceDirect
Journal: Catalysis Communications - Volume 69, 5 September 2015, Pages 48–54
Authors
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Subjects
Physical Sciences and Engineering Chemical Engineering Catalysis
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Price was $35.95
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