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- W2027678052 abstract "Graphical abstract: The pure Co{sub 3}O{sub 4} and Ag/Co{sub 3}O{sub 4} composite with 5% Ag all exhibited rod-like morphology, and the microrods were actually composed of nanoparticles with mean size of 35 nm or so. - Highlights: • A facile route was designed to fabricate rod-like Co{sub 3}O{sub 4} and Ag/Co{sub 3}O{sub 4} composite nanomaterials. • Co{sub 3}O{sub 4} and Ag/Co{sub 3}O{sub 4} composite were modified on a GCE directly. • All samples exhibited enhanced catalytic property for p-nitrophenol reduction. - Abstract: Rod-like precursors of Co{sub 3}O{sub 4} and Ag/Co{sub 3}O{sub 4} composites with different Ag contents were synthesized via a co-precipitation method. Co{sub 3}O{sub 4} and Ag/Co{sub 3}O{sub 4} composite samples were fabricated by calcining each precursor at 400 °C for 3 h. The as-prepared samples were characterized by thermogravimetric analysis and differential thermal gravimetric analysis (TGA/DTA), X-ray diffraction (XRD), transmission electron microscopy (TEM), and field emission scanning electron microscopy (FE-SEM), X-ray photoelectron spectroscopy (XPS), respectively. Co{sub 3}O{sub 4} and Ag/Co{sub 3}O{sub 4} composites were used as electrocatalyst modified on a glassy carbon electrode for p-nitrophenol reduction in basic solution. The results showed that p-nitrophenol could be reduced effectively on the modified electrode. By comparison with a bare glassymore » carbon electrode, peak current increased markedly with Co{sub 3}O{sub 4} and Ag/Co{sub 3}O{sub 4} samples, and peak potential decreased obviously with Ag/Co{sub 3}O{sub 4} samples. Ag/Co{sub 3}O{sub 4} composites with 4% Ag exhibited the highest electrocatalytic activity for p-nitrophenol reduction.« less" @default.
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- W2027678052 date "2013-07-01" @default.
- W2027678052 modified "2023-09-24" @default.
- W2027678052 title "Synthesis and electrocatalytic performance for p-nitrophenol reduction of rod-like Co3O4 and Ag/Co3O4 composites" @default.
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- W2027678052 doi "https://doi.org/10.1016/j.materresbull.2013.03.037" @default.
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