2016 |
Aliaga, J A; Alonso-Nunez, G; Zepeda, T; Araya, J F; Rubio, P F; Bedolla-Valdez, Z; Paraguay-Delgado, F; Farias, M H; Fuentes, S; González, G Synthesis of Highly Destacked Res2 Layers Embedded in Amorphous Carbon from a Metal-Organic Precursor Artículo de revista Journal of Non-Crystalline Solids, 447 , pp. 29-34, 2016, ISSN: 0022-3093. Resumen | Enlaces | BibTeX | Etiquetas: amorphous catalysts, chemical disulfide, hds hydrodenitrogenation, hydrodesulfurization, hydrothermal materials, mos2, nanostructured rhenium sulfide, synthesis @article{RN297, title = {Synthesis of Highly Destacked Res2 Layers Embedded in Amorphous Carbon from a Metal-Organic Precursor}, author = { J.A. Aliaga and G. Alonso-Nunez and T. Zepeda and J.F. Araya and P.F. Rubio and Z. Bedolla-Valdez and F. Paraguay-Delgado and M.H. Farias and S. Fuentes and G. Gonz\'{a}lez}, url = {/brokenurl#<Go to ISI>://WOS:000381841200005}, doi = {10.1016/j.jnoncrysol.2016.05.033}, issn = {0022-3093}, year = {2016}, date = {2016-01-01}, journal = {Journal of Non-Crystalline Solids}, volume = {447}, pages = {29-34}, publisher = {2016 Elsevier B.V.}, abstract = {In the current study, a new approach to the synthesis of highly destacked ReS2 layers embedded in amorphous carbon via the thermal decomposition of a tetraoctylammonium perrhenate precursor, under sulfidizing atmosphere (15% v/v H2S mixture H2S/H-2 gas), is described. X-ray diffraction, scanning electron microscopy, scanning transmission electron microscopy, energy-dispersive X-ray spectroscopy and X-ray photoelectron spectroscopy analysis of the thermolysis product confirm the formation of rhenium disulfide. The synthesized compound is found as single layers with a minor proportion of few-layer arrangements, embedded in amorphous carbon. Xray diffraction, UV-visible diffuse reflectance, and thermogravimetry analysis were made in order to characterize the metal-organic salt precursor, showing that the perrhenate ions are dispersed widely from each other in the matrix of the organic cations, forming an inorganic-organic salt. The special arrangement of these ReS2 layers has a potential use as a heterogeneous catalyst due to the high proportion of edge sites.}, keywords = {amorphous catalysts, chemical disulfide, hds hydrodenitrogenation, hydrodesulfurization, hydrothermal materials, mos2, nanostructured rhenium sulfide, synthesis}, pubstate = {published}, tppubtype = {article} } In the current study, a new approach to the synthesis of highly destacked ReS2 layers embedded in amorphous carbon via the thermal decomposition of a tetraoctylammonium perrhenate precursor, under sulfidizing atmosphere (15% v/v H2S mixture H2S/H-2 gas), is described. X-ray diffraction, scanning electron microscopy, scanning transmission electron microscopy, energy-dispersive X-ray spectroscopy and X-ray photoelectron spectroscopy analysis of the thermolysis product confirm the formation of rhenium disulfide. The synthesized compound is found as single layers with a minor proportion of few-layer arrangements, embedded in amorphous carbon. Xray diffraction, UV-visible diffuse reflectance, and thermogravimetry analysis were made in order to characterize the metal-organic salt precursor, showing that the perrhenate ions are dispersed widely from each other in the matrix of the organic cations, forming an inorganic-organic salt. The special arrangement of these ReS2 layers has a potential use as a heterogeneous catalyst due to the high proportion of edge sites. |
2016 |
Synthesis of Highly Destacked Res2 Layers Embedded in Amorphous Carbon from a Metal-Organic Precursor Artículo de revista Journal of Non-Crystalline Solids, 447 , pp. 29-34, 2016, ISSN: 0022-3093. |