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- W2804714680 abstract "Abstract In order to improve the behavior Niobium pentoxide on oxidation‐reductionreactions to degrade organic compounds in aqueous solutions, we developed the synthesis of Niobium pentoxide with the metal doping agents: manganese,iron, and nickel (Nb 2− x M x O 5 ), respectively, and analyzing its effects on the structural and vibrational properties. The synthesis of the Nb 2− x M x O 5 (M = Mn, Fe, and Ni; x = 0.02 and 0.05) was performed according the Pechini method, but before the annealing, the samples were submitted to Thermogravimetric analysis study showing better pre‐calcination annealing temperatures at 500 and 700°C for the materials. Then, we performed the crystal structural analysis by X‐ray Diffraction, obtaining crystallite sizes between 15 and 47 nm, the accurate size analysis was calculated by Scherrer equation. Structural analysis was also performed by IR spectroscopy to evaluate the vibrational modes of synthetized samples. The dopping effects were evaluated by UV‐Vis spectrophotometry through the energy band gap values, showing that doped samples with manganese and iron had lower values than undoped, except the sample doped with nickel. However, samples doped with iron at 2.5% showed better photocatalytic performance." @default.
- W2804714680 created "2018-06-01" @default.
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- W2804714680 date "2018-06-03" @default.
- W2804714680 modified "2023-09-25" @default.
- W2804714680 title "Effects of metal doping agent on the properties of Nb<sub>2−</sub> <sub> <i>x</i> </sub> M<sub> <i>x</i> </sub> O<sub>5</sub> (M = Mn, Fe, and Ni) system" @default.
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- W2804714680 doi "https://doi.org/10.1111/ijac.13022" @default.
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