Reduction of 2-nitrophenol using a hybrid C–Ni nanocomposite as a catalyst

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Reduction of 2-nitrophenol using a hybrid C–Ni nanocomposite as a catalyst

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Synthesis of hybrid carbon–nickel (C–Ni) nanocomposite was performed with [C60] fullerene and Ni hydroxide in an electric furnace at 700°C for 2 h. The resulting product was characterised by X-ray diffraction, Raman spectroscopy, scanning electron microscopy, transmission electron microscopy, and electron spin resonance spectroscopy. The catalytic reduction of 2-nitrophenol using the hybrid nanocomposite was investigated by ultraviolet–visible spectroscopy. Kinetic study showed that reduction of 2-nitrophenol in the presence of sodium borohydride with the hybrid C–Ni nanocomposite was followed a pseudo-first-order reaction law.

Inspec keywords: Raman spectra; paramagnetic resonance; nickel; catalysis; nanocomposites; transmission electron microscopy; reaction rate constants; visible spectra; nanofabrication; scanning electron microscopy; organic compounds; X-ray diffraction; carbon; reduction (chemical); ultraviolet spectra; catalysts

Other keywords: sodium borohydride; X-ray diffraction; 2-nitrophenol; hybrid carbon-nickel nanocomposite; C-Ni; temperature 700.0 degC; ultraviolet-visible spectroscopy; transmission electron microscopy; electron spin resonance spectroscopy; electric furnace; scanning electron microscopy; catalytic reduction; fullerene; Raman spectroscopy; Ni hydroxide; time 2.0 hour; pseudofirst-order reaction law

Subjects: Low-dimensional structures: growth, structure and nonelectronic properties; Specific chemical reactions; reaction mechanisms; Structure of solid clusters, nanoparticles, nanotubes and nanostructured materials; Measurements of chemical rate constants, reaction cross sections, and activation energies; Infrared and Raman spectra and scattering (condensed matter); Electron paramagnetic resonance and relaxation (condensed matter); Visible and ultraviolet spectra (condensed matter); Optical properties of thin films and low-dimensional structures; Heterogeneous catalysis at surfaces and other surface reactions

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