Littérature scientifique sur le sujet « Surface interaction, photoelectron spectroscopy, catalysis »
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Articles de revues sur le sujet "Surface interaction, photoelectron spectroscopy, catalysis"
Yoon, Ji Sun, Min Bum Park, Youngmin Kim, Dong Won Hwang et Ho-Jeong Chae. « Effect of Metal Oxide–Support Interactions on Ethylene Oligomerization over Nickel Oxide/Silica–Alumina Catalysts ». Catalysts 9, no 11 (8 novembre 2019) : 933. http://dx.doi.org/10.3390/catal9110933.
Texte intégralCharisiou, Nikolaos, Savvas Douvartzides, Georgios Siakavelas, Lazaros Tzounis, Victor Sebastian, Vlad Stolojan, Steven Hinder, Mark Baker, Kyriaki Polychronopoulou et Maria Goula. « The Relationship between Reaction Temperature and Carbon Deposition on Nickel Catalysts Based on Al2O3, ZrO2 or SiO2 Supports during the Biogas Dry Reforming Reaction ». Catalysts 9, no 8 (9 août 2019) : 676. http://dx.doi.org/10.3390/catal9080676.
Texte intégralEl-Salamony, Radwa A., Ahmed S. Al-Fatesh, Kenit Acharya, Abdulaziz A. M. Abahussain, Abdulaziz Bagabas, Nadavala Siva Kumar, Ahmed A. Ibrahim, Wasim Ullah Khan et Rawesh Kumar. « Carbon Dioxide Valorization into Methane Using Samarium Oxide-Supported Monometallic and Bimetallic Catalysts ». Catalysts 13, no 1 (4 janvier 2023) : 113. http://dx.doi.org/10.3390/catal13010113.
Texte intégralTodorova, Silviya, Anton Naydenov, Maya Shopska, Hristo Kolev, Iliyana Yordanova et Krasimir Tenchev. « Pt-Modified Nano-Sized Mn2O3 Oxide Prepared from the Mn3O4 Phase with Tetragonal Symmetry for CO Oxidation ». Symmetry 14, no 12 (1 décembre 2022) : 2543. http://dx.doi.org/10.3390/sym14122543.
Texte intégralSiemer, Michael, Lars Mohrhusen, Maximilian Grebien et Katharina Al-Shamery. « Amine Capped Gold Colloids at Oxidic Supports : Their Electronic Interactions ». Zeitschrift für Physikalische Chemie 233, no 1 (19 décembre 2018) : 69–84. http://dx.doi.org/10.1515/zpch-2018-0004.
Texte intégralChuai, Hongyuan, Penghe Su, Hongchi Liu, Baolin Zhu, Shoumin Zhang et Weiping Huang. « Alkali and Alkaline Earth Cation-Decorated TiO2 Nanotube-Supported Rh Catalysts for Vinyl Acetate Hydroformylation ». Catalysts 9, no 2 (20 février 2019) : 194. http://dx.doi.org/10.3390/catal9020194.
Texte intégralZhao, Feng, Shuangde Li, Xiaofeng Wu, Renliang Yue, Weiman Li, Xicuo Zha, Yuzhou Deng et Yunfa Chen. « Catalytic Behaviour of Flame-Made CuO-CeO2 Nanocatalysts in Efficient CO Oxidation ». Catalysts 9, no 3 (13 mars 2019) : 256. http://dx.doi.org/10.3390/catal9030256.
Texte intégralFazlikeshteli, Shiva, Xavier Vendrell et Jordi Llorca. « Low-Temperature Methane Partial Oxidation over Pd Supported on CeO2 : Effect of the Preparation Method and Precursors ». Reactions 2, no 1 (17 février 2021) : 30–42. http://dx.doi.org/10.3390/reactions2010004.
Texte intégralFilip, Mihaela, Elena Maria Anghel, Vasile Rednic, Florica Papa, Simona Somacescu, Cornel Munteanu, Nicolae Aldea, Jing Zhang et Viorica Parvulescu. « Variation in Metal–Support Interaction with TiO2 Loading and Synthesis Conditions for Pt-Ti/SBA-15 Active Catalysts in Methane Combustion ». Nanomaterials 13, no 10 (15 mai 2023) : 1647. http://dx.doi.org/10.3390/nano13101647.
Texte intégralKong, Weimin, Shuyuan Zhou, Xuwei Wang, Qingrong He, Piaoping Yang, Ye Yuan et Yanchun Dong. « Catalytic Oxidative Decomposition of Dimethyl Methyl Phosphonate over CuO/CeO2 Catalysts Prepared Using a Secondary Alkaline Hydrothermal Method ». Catalysts 12, no 10 (19 octobre 2022) : 1277. http://dx.doi.org/10.3390/catal12101277.
Texte intégralThèses sur le sujet "Surface interaction, photoelectron spectroscopy, catalysis"
Back, Tyson Cody. « SURFACE CHEMISTRY OF METAL CATALYST UNDER CARBON NANOTUBE GROWTH CONDITIONS ». University of Dayton / OhioLINK, 2010. http://rave.ohiolink.edu/etdc/view?acc_num=dayton1272935820.
Texte intégralPeronio, Angelo. « A closer look at heterogeneous catalysis : reaction intermediates at the single-molecule level ». Doctoral thesis, Università degli studi di Trieste, 2013. http://hdl.handle.net/10077/8577.
Texte intégralThe present work pertains to the surface science approach to heterogeneous catalysis. In particular model systems for CO2 hydrogenation to methanol, and NO selective catalytic reduction, are investigated by means of a combined approach, where the molecular-level insight provided by a low-temperature scanning tunneling microscope is complemented by density functional theory (DFT) calculations of their electronic structure. To this end, the Inelastic Electron Tunneling Spectroscopy (STM-IETS) technique was introduced for the first time in our laboratory, a recent development which allows to measure the vibrational spectrum of individual molecules adsorbed on a surface. Regarding CO2, we provide single molecule imaging and characterization of CO2/Ni(110), chemisorbed with high charge transfer from the substrate, in an activated state that plays a crucial role in the hydrogenation process. We obtain a detailed characterization of the adsorption geometries and an estimate of the energies corresponding to the different adsorbed states. A consistent picture of CO2 chemisorption on Ni(110) is provided on the basis of the newly available information, yielding a deeper insight into the previously existing spectroscopic and theoretical data. In the Selective Catalytic Reduction (SCR) process, nitrogen oxide is selectively transformed to N2 by reductants such as ammonia. The specificity of this reaction was tentatively attributed to the formation of NH3-NO coadsorption complexes, as indicated by several surface science techniques. Here we characterize the NH3-NO complex at the atomic scale on the (111) surface of platinum, investigating the intermolecular interactions that tune the selectivity. The structures that arise upon coadsorption of NH3 and NO are analyzed in terms of adsorption sites, geometry, energetics and charge rearrangement. An ordered 2 × 2 adlayer forms, where the two molecules are arranged in a configuration that maximizes mutual interactions. In this structure, NH3 adsorbs on top and NO on fcc-hollow sites, leading to a cohesional stabilization of the extended layer by 0.29 eV/unit cell. The calculated vibrational energies of the individually-adsorbed species and of the coadsorption structure fit the experimental values found in literature within less than 6%. The characterizations and optimizations that had to be tackled in order to successfully perform STM-IETS measurement are eventually presented, focusing in particular on an original method which allows to increase the achieved resolution. Namely, the modulation broadening associated to phase-sensitive detection is reduced by employing a tailored modulation function, different from the commonly-used sinusoid. This method is not limited to STM-IETS, but can be easily applied whenever a lock-in amplifier is used to measure a second derivative.
XXV Ciclo
1984
(5930045), Cory A. Milligan. « FUNDAMENTAL INSIGHTS OF PLANAR AND SUPPORTED CATALYSTS ». Thesis, 2019.
Trouver le texte intégralA fundamental understanding of heterogeneous catalysis requires analysis of model catalytic surfaces in tandem with complex technical catalysts. This work was divided in three areas, 1- preparation and characterization of model surfaces synthesized by vapor deposition techniques, 2- kinetic evaluation of model catalysts for formic acid decomposition and dry methane reforming, 3- characterization and kinetic evaluation of technical catalysts for the water gas shift reaction.
In the first project, model PdZn intermetallic surfaces, a relevant catalyst for propane dehydrogenation, were prepared using an ALD approach. In this work, model surfaces were synthesized by exposing Pd(111) and Pd(100) surfaces to diethylzinc at ca. 10-6 mbar. Several different surface structures were identified by careful control of the deposition temperature of the substrate. Modifications in the adsorption properties of these surfaces towards carbon monoxide and propylene coincided with the structure of the PdZn surface layer.
In the second project, formic acid decomposition kinetics were evaluated on model Pt catalysts. Formic acid decomposition was found to be structure-insensitive on Pt(111), Pt(100), and a polycrystalline foil under standard reaction conditions. CO selectivity remained < 1% for conversions <10%. Additionally, inverse Pd-Zr model catalysts were prepared by ALD of zirconium-t-butoxide (ZTB). Depending on treatment conditions, either ZrOxHy or ZrO2 overlayers or Zr as sub-nanometer clusters could be obtained. The activity of the model catalyst surface towards dry reforming of methane if the initial state of the zirconium is metallic.
In the third project, Au/Fe3O4 heterodimer catalysts were characterized for their thermal stability. In-situ TEM and XPS characterization demonstrates that the gold nanoparticles transform into gold thin films that wet the Fe3O4 surface as the reduction of the oxide proceeds. DFT calculations show that the adhesion energy between the Au film is increased on a partially reduced Fe3O4 surface. Additionally, Pt/Nb2CTx catalysts were characterized and kinetics evaluated for the water gas shift reaction. XPS and TEM characterization indicates that a Pt-Nb surface alloy is formed under moderate reduction temperatures, 350OC. Water-gas shift reaction kinetics reveal that the alloy-MXene interface exhibit high H2O activation ability compared to a non-reducible support or bulk niobium carbide.
Bach, Markus. « Fundamental Analysis of the Interaction of Low Pressure Plasmas with Polymer Surfaces ». Doctoral thesis, 2003. https://repositorium.ub.uni-osnabrueck.de/handle/urn:nbn:de:gbv:700-2003112531.
Texte intégralLivres sur le sujet "Surface interaction, photoelectron spectroscopy, catalysis"
McGovern, Mark Edward. Monolayer chemistry - interaction of OTS with quartz/glass surfaces in various solvents probed by x-ray photoelectron spectroscopy and surface acoustic wave device. Ottawa : National Library of Canada, 1993.
Trouver le texte intégralChapitres de livres sur le sujet "Surface interaction, photoelectron spectroscopy, catalysis"
Mun, Bongjin Simon, Hiroshi Kondoh, Zhi Liu, Phil N. Ross et Zahid Hussain. « The Development of Ambient Pressure X-Ray Photoelectron Spectroscopy and Its Application to Surface Science ». Dans Current Trends of Surface Science and Catalysis, 197–229. New York, NY : Springer New York, 2013. http://dx.doi.org/10.1007/978-1-4614-8742-5_9.
Texte intégralGoldmann, A. « Chapter 5 : Photoelectron Spectroscopy ». Dans Studies in Surface Science and Catalysis, 160–95. Elsevier, 1987. http://dx.doi.org/10.1016/s0167-2991(09)60454-7.
Texte intégralLee, Adam F., Christopher M. A. Parlett et Karen Wilson. « X-Ray Photoelectron Spectroscopy ». Dans Contemporary Catalysis : Science, Technology, and Applications, 496–512. The Royal Society of Chemistry, 2017. http://dx.doi.org/10.1039/9781849739900-00496.
Texte intégral« Appendix B XPS X-ray photoelectron spectroscopy ». Dans Studies in Surface Science and Catalysis, 501–4. Elsevier, 1995. http://dx.doi.org/10.1016/s0167-2991(06)81524-7.
Texte intégralLee, Adam F., Karen Wilson et Richard M. Lambert. « In situ observation of a surface catalysed chemical reaction by fast X-ray photoelectron spectroscopy ». Dans Studies in Surface Science and Catalysis, 3095–100. Elsevier, 2000. http://dx.doi.org/10.1016/s0167-2991(00)80497-8.
Texte intégralHeber, M., et W. Grünert. « Characterization of adsorbates and surface functional groups on polycrystalline oxides by ultraviolet photoelectron spectroscopy (UPS) ». Dans Studies in Surface Science and Catalysis, 3279–84. Elsevier, 2000. http://dx.doi.org/10.1016/s0167-2991(00)80528-5.
Texte intégralBorade, Ramesh B., et Abraham Clearfield. « Probing Acid Sites in Zeolites by X-ray Photoelectron Spectroscopy Using Pyridine as a Probe Molecule ». Dans Studies in Surface Science and Catalysis, 661–68. Elsevier, 1994. http://dx.doi.org/10.1016/s0167-2991(08)64171-3.
Texte intégralSpevack, P. A., L. L. Coatsworth, N. S. Mcintyre, I. Schmidt et J. R. Brown. « A Miniature On-Line Closed-Cycle Reactor for X-Ray Photoelectron Spectroscopy Studies of Hydrodesulphurization Reactions ». Dans Studies in Surface Science and Catalysis, 229–42. Elsevier, 1989. http://dx.doi.org/10.1016/s0167-2991(08)60501-7.
Texte intégralDe Jong, K. P., H. P. C. E. Kuipers et J. A. R. Van Veen. « Topology of Coke Deposits in Spent Heavy Oil Processing Catalysts. A Quantitative X-Ray Photoelectron Spectroscopy Study ». Dans Studies in Surface Science and Catalysis, 289–96. Elsevier, 1991. http://dx.doi.org/10.1016/s0167-2991(08)62646-4.
Texte intégralMolina, R., M. Genet et G. Poncelet. « A X-ray photoelectron spectroscopy investigation of α-alumina-supported nickel catalysts prepared from nickel (II) acetylacetonate ». Dans Studies in Surface Science and Catalysis, 3333–38. Elsevier, 2000. http://dx.doi.org/10.1016/s0167-2991(00)80537-6.
Texte intégralActes de conférences sur le sujet "Surface interaction, photoelectron spectroscopy, catalysis"
Hertel, T., E. Knoesel, M. Wolf et G. Ertl. « Time-Resolved Two-Colour Photoelectron Spectroscopy of Clean and Adsorbate Covered Metal Surfaces ». Dans International Conference on Ultrafast Phenomena. Washington, D.C. : Optica Publishing Group, 1996. http://dx.doi.org/10.1364/up.1996.fe.45.
Texte intégralMoser, Eva Maria, Sidney Chappuis et Javier Olleros. « Photocatalytically Active Titania Produced by MOCVD Plasma Process ». Dans 13th International Conference on Plasma Surface Engineering September 10 - 14, 2012, in Garmisch-Partenkirchen, Germany. Linköping University Electronic Press, 2013. http://dx.doi.org/10.3384/wcc2.321-324.
Texte intégralLiu, Y. S., H. S. Cole et H. R. Philipp. « Interactions of excimer lasers with polymers ». Dans International Laser Science Conference. Washington, D.C. : Optica Publishing Group, 1986. http://dx.doi.org/10.1364/ils.1986.fb2.
Texte intégralChai, Rukaun, Yuetian Liu, Qianjun Liu, Xuan He et Pingtian Fan. « Effect and Mechanism of CO2 Electrochemical Reduction for CCUS-EOR ». Dans SPE Annual Technical Conference and Exhibition. SPE, 2021. http://dx.doi.org/10.2118/206135-ms.
Texte intégralAutric, Michel, Laurence Yaghdjian, Gilbert Vacquier et Gines Nicolas. « KrF Excimer Laser Induced Modifications of Aluminum Nitride Ceramic Materials ». Dans The European Conference on Lasers and Electro-Optics. Washington, D.C. : Optica Publishing Group, 1998. http://dx.doi.org/10.1364/cleo_europe.1998.cmb2.
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