Multiple Methane Activation Pathways on Ga‐modified ZSM‐5 Zeolites Revealed by Solid‐State NMR Spectroscopy
Sign Up to like & getrecommendations! Published in 2020 at "ChemCatChem"
DOI: 10.1002/cctc.202000650
Abstract: Methane activation on Ga‐modified ZSM‐5 zeolites (Ga/ZSM‐5) was studied by solid‐state NMR spectroscopy. Two types of Ga species, namely highly dispersed oxides and cationic Ga species, were determined by 71Ga QCPMG NMR. The activation of… read more here.
Keywords: methane; modified zsm; methane activation; spectroscopy ... See more keywords
Promoted methane activation on doped ceria via occupation of Pr(4f) states
Sign Up to like & getrecommendations! Published in 2018 at "Applied Surface Science"
DOI: 10.1016/j.apsusc.2018.07.090
Abstract: Abstract Steam reforming of the methane stream obtained from biomass gasification is a potential route for sustainable syngas (CO + H2) and hydrogen production. The rate-limiting step for the reactions involved in methane steam reforming (MSR) is… read more here.
Keywords: occupation; promoted methane; doped ceria; activation ... See more keywords
Catalytic methane activation over La1−xSrxScO3−α proton-conducting oxide surface: A comprehensive study
Sign Up to like & getrecommendations! Published in 2021 at "Journal of Catalysis"
DOI: 10.1016/j.jcat.2020.12.011
Abstract: Abstract The detailed investigation of the influence of strontium on the methane activation over the state-of-the-art proton-conducting oxide catalyst La1−xSrxScO3−α was carried out using a combination of the novel H/D isotopic exchange method, Raman Spectroscopy,… read more here.
Keywords: methane; methane activation; la1 xsrxsco3;
Methane C-H Activation by [Cu2O]2+ and [Cu3O3]2+ in Copper-Exchanged Zeolites: Computational Analysis of Redox Chemistry and X-ray Absorption Spectroscopy.
Sign Up to like & getrecommendations! Published in 2021 at "Inorganic chemistry"
DOI: 10.1021/acs.inorgchem.0c03693
Abstract: There is an ongoing debate regarding the role of [Cu3O3]2+ in methane-to-methanol conversion by copper-exchanged zeolites. Here, we perform electronic structure analysis and localized orbital bonding analysis to probe the redox chemistry of its Cu… read more here.
Keywords: cu3o3; chemistry; methane; spectroscopy ... See more keywords
Possible Fine-Tuning of Methane Activation toward C2 Oxygenates by 3d-Transition Metal-Ions Doped Nano-Ceria-Zirconia.
Sign Up to like & getrecommendations! Published in 2022 at "Inorganic chemistry"
DOI: 10.1021/acs.inorgchem.2c03493
Abstract: In this work, we demonstrate a simple sol-gel technique to prepare metal-ion(s)-doped ceria-zirconia solid solution for efficient catalytic methane activation. The cation-depicting formula units are Ce0.80Zr0.20 (CZ), Ce0.79Zr0.20M0.01 (CZM), and Ce0.79Zr0.20M0.005M10.005 (CZMM1) (M and M1… read more here.
Keywords: metal ion; metal; methane activation;
Novel Mechanistic Insights into Methane Activation over Fe and Cu Active Sites in Zeolites: A Comparative DFT Study Using Meta-GGA Functionals
Sign Up to like & getrecommendations! Published in 2020 at "Journal of Physical Chemistry C"
DOI: 10.1021/acs.jpcc.0c04991
Abstract: Fe- and Cu-exchanged zeolites are known to oxidize methane directly to methanol at low temperature and have been intensively discussed in recent literature studies including theoretical works based... read more here.
Keywords: activation active; insights methane; novel mechanistic; methane ... See more keywords
Promotion Effect of Methane Activation on Cu(111) by the Surface-Active Oxygen Species: A Combination of DFT and ReaxFF Study
Sign Up to like & getrecommendations! Published in 2018 at "Journal of Physical Chemistry C"
DOI: 10.1021/acs.jpcc.8b05294
Abstract: Inspired by the recent experiment results that the methane can be activated on a copper surface in the present of molecular oxygen ( J. Phys. Chem. B., 2018, 122, 855−863, DOI: 10.1021/acs.jpcb.7b0... read more here.
Keywords: oxygen; effect methane; surface; methane ... See more keywords
Approaches for Selective Oxidation of Methane to Methanol
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DOI: 10.3390/catal10020194
Abstract: Methane activation chemistry, despite being widely reported in literature, remains to date a subject of debate. The challenges in this reaction are not limited to methane activation but extend to stabilization of the intermediate species.… read more here.
Keywords: methanol; selective oxidation; methane; approaches selective ... See more keywords
Computational Study of Methane C–H Activation by Main Group and Mixed Main Group–Transition Metal Complexes
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DOI: 10.3390/molecules25122794
Abstract: In the present density functional theory (DFT) research, nine different molecules, each with different combinations of A (triel) and E (divalent metal) elements, were reacted to effect methane C–H activation. The compounds modeled herein incorporated… read more here.
Keywords: metal; group; methane activation; main group ... See more keywords