Article ID | Journal | Published Year | Pages | File Type |
---|---|---|---|---|
5145535 | International Journal of Hydrogen Energy | 2017 | 6 Pages |
â¢KZ-Ni/RGO nanocomposite was synthesized.â¢Reduction of GO to RGO was confirmed by the XRD technique.â¢Elemental mapping shows the uniform dispersion of Ni on KZ/RGO.â¢UV-vis shows the higher performance of KZ-Ni/RGO catalyst towards the 4-NP reduction.
We present a novel nanocomposite catalyst, Ni nanoparticles (NPs) intercalated LTA-type nanozeolite (KZ) on reduced graphene oxide (RGO), abbreviated as KZ-Ni/RGO for the reduction of environmental pollutant 4-nitrophenol (4-NP) to 4-aminophenol (4-AP). The structure, composition and morphology of the catalyst were characterized by using the X-ray diffraction (XRD), Fourier transform infrared spectroscopy (FTIR) and scanning electron microscopy (SEM) techniques. The presence of Ni inside the nanocomposite was confirmed by the elemental mapping analysis. 4-NP reduction reaction shows the high catalytic activity (30Â min) to KZ-Ni/RGO nanocomposite compared to the KZ-Ni (75Â min) with excellent stability up to 5 cycles.
Graphical abstractIn present study, we report a novel catalyst KZ-Ni/RGO nanocomposite for the reduction of environmental pollutant 4-nitrophenol (4-NP) to 4-aminophenol (4-AP). X-ray diffraction (XRD), Fourier transforms infrared spectroscopy (FTIR), scanning electron microscopy (SEM) and elemental mapping techniques were used to evaluate the structure, composition and morphology of nanocomposite. 4-NP reduction reaction shows the high catalytic activity (30Â min) of KZ-Ni/RGO nanocomposite compared to the KZ-Ni (75Â min) with excellent stability up to 5 cycles.Download high-res image (149KB)Download full-size image