2017 |
Aliaga, J A; Zepeda, T; Araya, J F; Paraguay-Delgado, F; Benavente, E; Alonso-Nunez, G; Fuentes, S; González, G Low-Dimensional Res2/C Composite as Effective Hydrodesulfurization Catalyst Artículo de revista Catalysts, 7 (12), 2017, ISSN: 2073-4344. Resumen | Enlaces | BibTeX | Etiquetas: carbon chemical-vapor-deposition, decomposition, disulfide, few-layer growth, hidrodesulfurization, in-situ large-area, layer, light nanosheets, res2, rhenium s-hydrocarbons, single solvothermal synthesis, technetium, thiophene @article{RN348, title = {Low-Dimensional Res2/C Composite as Effective Hydrodesulfurization Catalyst}, author = { J.A. Aliaga and T. Zepeda and J.F. Araya and F. Paraguay-Delgado and E. Benavente and G. Alonso-Nunez and S. Fuentes and G. Gonz\'{a}lez}, url = {/brokenurl#<Go to ISI>://WOS:000419187400024}, doi = {10.3390/catal7120377}, issn = {2073-4344}, year = {2017}, date = {2017-01-01}, journal = {Catalysts}, volume = {7}, number = {12}, abstract = {Single-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/gamma-Al2O3 catalyst. The ReS2/C composite was characterized by X-ray diffraction (XRD), Raman spectroscopy, N-2 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.}, keywords = {carbon chemical-vapor-deposition, decomposition, disulfide, few-layer growth, hidrodesulfurization, in-situ large-area, layer, light nanosheets, res2, rhenium s-hydrocarbons, single solvothermal synthesis, technetium, thiophene}, pubstate = {published}, tppubtype = {article} } Single-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/gamma-Al2O3 catalyst. The ReS2/C composite was characterized by X-ray diffraction (XRD), Raman spectroscopy, N-2 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. |
Diaz, C; Valenzuela, M L; Laguna-Bercero, M A; Orera, A; Bobadilla, D; Abarca, S; Pena, O Synthesis and Magnetic Properties of Nanostructured Metallic Co, Mn and Ni Oxide Materials Obtained from Solid-State Metal-Macromolecular Complex Precursors Artículo de revista Rsc Advances, 7 (44), pp. 27729-27736, 2017, ISSN: 2046-2069. Resumen | Enlaces | BibTeX | Etiquetas: chemistry, chitosan, co3o4 crystal-structure, decomposition, gold nanocomposites, nanocrystals, nanoparticles, size, supracrystals @article{RN362, title = {Synthesis and Magnetic Properties of Nanostructured Metallic Co, Mn and Ni Oxide Materials Obtained from Solid-State Metal-Macromolecular Complex Precursors}, author = { C. Diaz and M.L. Valenzuela and M.A. Laguna-Bercero and A. Orera and D. Bobadilla and S. Abarca and O. Pena}, url = {/brokenurl#<Go to ISI>://WOS:000402166600064}, doi = {10.1039/c7ra00782e}, issn = {2046-2069}, year = {2017}, date = {2017-01-01}, journal = {Rsc Advances}, volume = {7}, number = {44}, pages = {27729-27736}, abstract = {The simple reaction of chitosan with metallic salts yields (chitosan) (MLn)(x)}, keywords = {chemistry, chitosan, co3o4 crystal-structure, decomposition, gold nanocomposites, nanocrystals, nanoparticles, size, supracrystals}, pubstate = {published}, tppubtype = {article} } The simple reaction of chitosan with metallic salts yields (chitosan) (MLn)(x) |
2017 |
Low-Dimensional Res2/C Composite as Effective Hydrodesulfurization Catalyst Artículo de revista Catalysts, 7 (12), 2017, ISSN: 2073-4344. |
Synthesis and Magnetic Properties of Nanostructured Metallic Co, Mn and Ni Oxide Materials Obtained from Solid-State Metal-Macromolecular Complex Precursors Artículo de revista Rsc Advances, 7 (44), pp. 27729-27736, 2017, ISSN: 2046-2069. |