Synthesis, characterization and catalytic application of a sandwich polyoxometalate LDH incorporated nanocomposite

Document Type : Research Article

Authors

Department of Chemistry, Faculty of sciences, University of Kurdistan, P.O. Box Sanandaj, Iran 66135-416

Abstract

Sandwich polyoxometalate of [(FeW9O34)2FeIII4(H2O)2]10- (Fe2W18Fe4) was placed into the gallery of Tris(hydroxymethyl)aminomethane modified layered double hydroxide, Tirs-LDH by a simple one-step process based on the anion-exchange method. The structure of Tris-LDH-Fe2W18Fe4 nanocomposite was characterized and studied by FT-IR, XRD, SEM, EDAX and zeta potential analyses. The results confirmed the successful preparation of the nanocomposite. The catalytic activity of the nanocomposite was investigated in the degradation synthetic dyes of MB, MO, congo red and RB. The parameters like as H2O2 values, pH, amount of catalyst, amount of dye, concentration and as well as its catalytic selectivity were investigated. The results showed that the catalytic activity of Tirs-LDH well enhanced by the intercalation of Fe2W18Fe4. Low cost and available precursor, easy preparation, high adsorption, and fast removal of dye make this work outstanding.

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References

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Nashrieh Shimi va Mohandesi Shimi Iran
Volume 41, Issue 3 - Serial Number 105
September 2022
Pages 73-84

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