Bulk Hydrodesulfurization Catalyst Obtained by Mo(CO)6 Grafting on the Metal–Organic Framework Ni2(2,5-dihydroxoterephthalate)
| العنوان: | Bulk Hydrodesulfurization Catalyst Obtained by Mo(CO)6 Grafting on the Metal–Organic Framework Ni2(2,5-dihydroxoterephthalate) |
|---|---|
| المؤلفون: | Elsje Alessandra Quadrelli, Michael Brorson, Frank B. Johansson, Chloé Thieuleux, Stig Helveg, Pia Kjær Nielsen, Cherif Larabi |
| المصدر: | ACS Catalysis. 2:695-700 |
| بيانات النشر: | American Chemical Society (ACS), 2012. |
| سنة النشر: | 2012 |
| مصطلحات موضوعية: | Eclipsed conformation, Materials science, Inorganic chemistry, chemistry.chemical_element, General Chemistry, Catalysis, Nickel, Crystallography, Adsorption, chemistry, Metal-organic framework, High-resolution transmission electron microscopy, Bimetallic strip, Hydrodesulfurization |
| الوصف: | The Metal–Organic Framework, [Ni2(dhtp)] (H4dhtp = 2,5-dihydroxyterephthalic acid) was modified by gas-phase grafting of Mo(CO)6 at the gram-scale via a post-synthesis modification approach. A highly dispersed well-defined bimetallic material containing the [Ni2(dhtp)Mo(CO)3] fragment either in the staggered or in the eclipsed conformation was obtained, with a maximum coverage of 50%mol, as shown by multitechnique characterization: IR (diagnostic ν(CO) = 1996, 1972, 1926, 1885, and 1797 cm–1), N2 adsorption (Brunauer–Emmett–Teller (BET) surface area = 172 m2 g–1, pore volume 0.1 cm3/g), elemental analyses (Ni = 21.6%wt, Mo = 9.6%wt), mass balanced analyses of evolved gases (3.0 ± 0.2 mols of CO evolved/mol of grafted Mo(CO)6 high-resolution transmission electron microscopy (HRTEM). The staggered conformer is stabilized by an intermolecular Ni···(OC)Mo interaction with the framework open Ni(II) site, which causes the markedly blue-shifted stretching band observed at ν(CO) = 1797 cm–1. Upon decomposition in... |
| تدمد: | 2155-5435 |
| DOI: | 10.1021/cs200530e |
| URL الوصول: | https://explore.openaire.eu/search/publication?articleId=doi_________::a8e51810e87656accf42caab8def5c15 https://doi.org/10.1021/cs200530e |
| رقم الانضمام: | edsair.doi...........a8e51810e87656accf42caab8def5c15 |
| قاعدة البيانات: | OpenAIRE |
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