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Ethanol electrooxidation on high-performance mesoporous ZnFe2O4-supported palladium nanoparticles

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Abstract

As a catalyst for the electrooxidation of ethanol, a well-dispersed mesoporous ZnFe2O4 powder (ZnFe2O4MP) as a support for Pd nanoparticles (PdNPs) was fabricated using solution combustion synthesis, which is an easy and environmentally friendly method. The morphology and structure of ZnFe2O4MP were characterized using scanning electron microscopy, X-ray diffraction, and N2 adsorption/desorption analysis. Mesopore sizes of ZnFe2O4MP were mainly in the range of 2–19 nm. Subsequently, PdNPs were reduced on the surface and into the pores of ZnFe2O4MP. The behaviors and electrocatalytic abilities of ZnFe2O4MP, PdNPs and PdNPs–ZnFe2O4MP were compared using electrochemical techniques. An electrochemically active surface area of 64.54 m2 g−1 was shown for PdNPs–ZnFe2O4MP. The incorporation of ZnFe2O4MP as a support for nanocomposites improved the electrocatalytic ability of PdNPs with decrease in the onset potential and increase in the current.

Graphical abstract: Ethanol electrooxidation on high-performance mesoporous ZnFe2O4-supported palladium nanoparticles

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Publication details

The article was received on 23 Nov 2018, accepted on 26 Jan 2019 and first published on 28 Jan 2019


Article type: Paper
DOI: 10.1039/C8NJ05950K
Citation: New J. Chem., 2019, Advance Article

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    Ethanol electrooxidation on high-performance mesoporous ZnFe2O4-supported palladium nanoparticles

    F. Kaedi, Z. Yavari, M. Asmaei, A. R. Abbasian and M. Noroozifar, New J. Chem., 2019, Advance Article , DOI: 10.1039/C8NJ05950K

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