Low-Dimensional ReS2/C Composite as Effective Hydrodesulfurization Catalyst
AbstractSingle-layer, ultrasmall ReS2 nanoplates embedded in amorphous carbon were synthesized from a hydrothermal treatment involving ammonium perrhenate, thiourea, tetraoctylammonium bromide, and further annealing. The rhenium disulfide, obtained as a low dimensional carbon composite (ReS2/C), was tested in the hydrodesulfurization of light hydrocarbons, using 3-methylthiophene as the model molecule, and showed enhanced catalytic activity in comparison with a sulfide CoMo/γ-Al2O3 catalyst. The ReS2/C composite was characterized by X-ray diffraction (XRD), Raman spectroscopy, N2 adsorption–desorption isotherms, scanning electron microscopy (SEM), scanning transmission electron microscopy (STEM), energy-dispersive X-ray spectroscopy (EDS), and X-ray photoelectron spectroscopy (XPS). The improved catalytic performance of this ReS2/C composite may be ascribed to the presence of a non-stoichiometric sulfur species (ReS2−x), the absence of stacking along the c-axis, and the ultra-small basal planes, which offer a higher proportion of structural sulfur defects at the edge of the layers, known as a critical parameter for hydrodesulfurization catalytic processes. View Full-Text
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Aliaga, J.A.; Zepeda, T.; Araya, J.F.; Paraguay-Delgado, F.; Benavente, E.; Alonso-Núñez, G.; Fuentes, S.; González, G. Low-Dimensional ReS2/C Composite as Effective Hydrodesulfurization Catalyst. Catalysts 2017, 7, 377.
Aliaga JA, Zepeda T, Araya JF, Paraguay-Delgado F, Benavente E, Alonso-Núñez G, Fuentes S, González G. Low-Dimensional ReS2/C Composite as Effective Hydrodesulfurization Catalyst. Catalysts. 2017; 7(12):377.Chicago/Turabian Style
Aliaga, Juan A.; Zepeda, Trino; Araya, Juan F.; Paraguay-Delgado, Francisco; Benavente, Eglantina; Alonso-Núñez, Gabriel; Fuentes, Sergio; González, Guillermo. 2017. "Low-Dimensional ReS2/C Composite as Effective Hydrodesulfurization Catalyst." Catalysts 7, no. 12: 377.
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