Synthesis of α-MoO3 Nanobelt and Its Photocatalytic Oxidative Desulfurization(Photo-ODS) Activity of Simulation Fuel

doi:10.15541/jim.20140523

Abstract

Abstract:

1 D α-MoO₃ nanobels were prepared by facile hydrothermal synthesis. Phase, morphology, purity and optical adsorption properties of as-synthesized samples were investigated by XRD, SEM, TEM, EDS and UV-Vis-DRS spectra. Furthermore, thiophene was selected as a typical pollutant of simulated fuel to evaluate the photocatalytic oxidative desulfurization (Photo-Cat-ODS) activity of as-prepared 1 D α-MoO₃ nanobelt and the mechanism for the photocatalytic oxidation of thiophene was explored. The photocatalysis experimental results indicate that photocatalytic oxidative desulfurization activity of 1 D α-MoO₃ nanobelts is better than that of purchased MoO₃ and P25 due to their reducing recombination of photogenerated electron-hole pairs. The desulfurization rate of simulated FCC fuel reaches 86.9% under visible light irradiation for 240 min.

Key words: hydrothermal synthesis, α-MoO3 nanobelt, photocatalytic oxidative, desulfurization

CLC Number:

TQ174

ZHEN Yan-Zhong, LI Jing, WANG Dan-Jun, FU Feng, XUE Gang-Lin. Synthesis of α-MoO₃Nanobelt and Its Photocatalytic Oxidative Desulfurization(Photo-ODS) Activity of Simulation Fuel[J]. Journal of Inorganic Materials, 2015, 30(4): 408-412.

Figures/Tables 6

Fig. 1 XRD patterns of as-synthesized α-MoO3 nanobelts

Fig. 2 SEM image (a) (with an inset showing the corresponding EDS spectrum) and TEM image (b) (with an inset showing the corresponding SAED pattern) of α-MoO3 nanobelts

Fig. 3 UV-Vis diffuse reflectance spectra (a) and (αhυ)2 vs hv plats (b) of commercial MoO3 and as-prepared α-MoO3 nanobelts

Fig. 4 Photocatalytic activity of photocatalys with different concentrations under visible-light irradiation

Fig. 5 Comparsion of visible-light-driven photocatalytic activity of α-MoO3 nanobelt, commercial MoO3 and P25

Fig. 6 Schematic diagram of mechanism for the photocatalytic oxidation of thiophene on α-MoO3 nanobelt

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Synthesis of α-MoO₃Nanobelt and Its Photocatalytic Oxidative Desulfurization(Photo-ODS) Activity of Simulation Fuel

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