Search Results - "Melaet, Gérôme"

Enhanced CO Oxidation Rates at the Interface of Mesoporous Oxides and Pt Nanoparticles by An, Kwangjin, Alayoglu, Selim, Musselwhite, Nathan, Plamthottam, Sheba, Melaet, Gérôme, Lindeman, Avery E, Somorjai, Gabor A

“…The interaction of the metal and support in oxide-supported transition-metal catalysts has been proven to have extremely favorable effects on catalytic…”
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Evidence of Highly Active Cobalt Oxide Catalyst for the Fischer–Tropsch Synthesis and CO2 Hydrogenation by Melaet, Gérôme, Ralston, Walter T, Li, Cheng-Shiuan, Alayoglu, Selim, An, Kwangjin, Musselwhite, Nathan, Kalkan, Bora, Somorjai, Gabor A

“…Hydrogenations of CO or CO2 are important catalytic reactions as they are interesting alternatives to produce fine chemical feedstock hence avoiding the use of…”
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Platinum and Other Transition Metal Nanoclusters (Pd, Rh) Stabilized by PAMAM Dendrimer as Excellent Heterogeneous Catalysts: Application to the Methylcyclopentane (MCP) Hydrogenative Isomerization by Deraedt, Christophe, Melaet, Gérôme, Ralston, Walter T, Ye, Rong, Somorjai, Gabor A

“…Pt, Rh, and Pd nanoclusters stabilized by PAMAM dendrimer are used for the first time in a gas flow reactor at high temperature (150–250 °C). Pt nanoclusters…”
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High-performance hybrid oxide catalyst of manganese and cobalt for low-pressure methanol synthesis by Li, Cheng-Shiuan, Melaet, Gérôme, Ralston, Walter T., An, Kwangjin, Brooks, Christopher, Ye, Yifan, Liu, Yi-Sheng, Zhu, Junfa, Guo, Jinghua, Alayoglu, Selim, Somorjai, Gabor A.

“…Carbon dioxide capture and use as a carbon feedstock presents both environmental and industrial benefits. Here we report the discovery of a hybrid oxide…”
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Cobalt Particle Size Effects in the Fischer–Tropsch Synthesis and in the Hydrogenation of CO2 Studied with Nanoparticle Model Catalysts on Silica by Melaet, Gérôme, Lindeman, Avery E., Somorjai, Gabor A.

“…We have investigated the effect of cobalt nanoparticle size in Fischer–Tropsch synthesis (CO/H 2 ) and have compared it to data obtained for carbon dioxide…”
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In Situ Spectroscopic Investigation into the Active Sites for Crotonaldehyde Hydrogenation at the Pt Nanoparticle–Co3O4 Interface by Kennedy, Griffin, Melaet, Gérôme, Han, Hui-Ling, Ralston, Walter T, Somorjai, Gabor A

“…The hydrogenation of crotonaldehyde by platinum nanoparticles supported on cobalt oxide was used as a reaction to probe the effect of the interface between the…”
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Evidence of Structure Sensitivity in the Fischer–Tropsch Reaction on Model Cobalt Nanoparticles by Time‐Resolved Chemical Transient Kinetics by Ralston, Walter T., Melaet, Gérôme, Saephan, Tommy, Somorjai, Gabor A.

“…The Fischer–Tropsch process, or the catalytic hydrogenation of carbon monoxide (CO), produces long chain hydrocarbons and offers an alternative to the use of…”
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Oxidative coupling of methane (OCM): Effect of noble metal (M=Pt, Ir, Rh) doping on the performance of mesoporous silica MCF-17 supported MnxOy-Na2WO4 catalysts by Liu, Wen-Chi, Ralston, Walter T., Melaet, Gérôme, Somorjai, Gabor A.

“…[Display omitted] •M-MnxOy-Na2WO4 (M=Pt, Ir, Rh) catalysts were prepared on mesoporous silica MCF-17.•Enhanced C2 selectivity in OCM was obtained in the order…”
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Structure and Chemical State of the Pt(557) Surface during Hydrogen Oxidation Reaction Studied by in Situ Scanning Tunneling Microscopy and X‑ray Photoelectron Spectroscopy by Zhu, Zhongwei, Melaet, Gérôme, Axnanda, Stephanus, Alayoglu, Selim, Liu, Zhi, Salmeron, Miquel, Somorjai, Gabor A

“…The surface structure of Pt(557) during the catalytic oxidation of hydrogen was studied with in situ scanning tunneling microscopy and X-ray photoelectron…”
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InSitu Microscopy and Spectroscopy Applied to Surfaces at Work by Han, Hui-Ling, Melaet, Gérôme, Alayoglu, Selim, Somorjai, Gabor A

“…The present review discusses the current state of the art microscopic and spectroscopic characterization techniques available to study surfaces and interfaces…”
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Product distribution change in the early stages of carbon monoxide hydrogenation over cobalt magnesium Fischer-Tropsch catalyst by Melaet, Gérôme, Ralston, Walter T., Liu, Wen-Chi, Somorjai, Gabor A.

“…[Display omitted] •Chemical Transient Kinetic Experiment.•Temporal Analysis of Products Fischer-Tropsch reaction.•Product distribution changes from branched to…”
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Co–Rh Nanoparticles for the Hydrogenation of Carbon Monoxide: Catalytic Performance Towards Alcohol Production and Ambient Pressure X-Ray Photoelectron Spectroscopy Study by Liu, Wen-Chi, Melaet, Gérôme, Ralston, Walter T., Alayoglu, Selim, Horowitz, Yonatan, Ye, Rong, Hurlburt, Tyler, Mao, Baohua, Crumlin, Ethan, Salmeron, Miquel, Somorjai, Gabor A.

“…5 nm Co–Rh bimetallic nanoparticles with narrow size distributions and three different atomic compositions (2, 10, and 16 % Rh) were synthesized using a…”
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In Situ Microscopy and Spectroscopy Applied to Surfaces at Work by Han, Hui-Ling, Melaet, Gérôme, Alayoglu, Selim, Somorjai, Gabor A.

“…The present review discusses the current state of the art microscopic and spectroscopic characterization techniques available to study surfaces and interfaces…”
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Time-Resolved (2 s) Study of the Initial Steps of the Catalytic Hydrogenation of CO: From Branched Isomers to Unsaturated Molecules by Melaet, Gérôme, Ralston, Walter T, Liu, Wen-Chi, Somorjai, Gabor A

“…The catalytic hydrogenation of carbon monoxide, known as the Fischer–Tropsch process, is a technologically important, complex multipath reaction which produces…”
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Bimetallic Cobalt Nanoparticles (Co–M): Synthesis, Characterization, and Application in the Fischer–Tropsch Process by Ralston, Walter T., Liu, Wen-Chi, Alayoglu, Selim, Melaet, Gérôme

“…General synthesis schemes for size and composition controlled, bimetallic Co–M (M = Mn, Cu, Ru, Rh, Re) nanoparticles is reported. Characterization was carried…”
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Promotion of Hydrogenation of Organic Molecules by Incorporating Iron into Platinum Nanoparticle Catalysts: Displacement of Inactive Reaction Intermediates by Wang, Hailiang, Krier, James M, Zhu, Zhongwei, Melaet, Gérôme, Wang, Yihai, Kennedy, Griffin, Alayoglu, Selim, An, Kwangjin, Somorjai, Gabor A

“…We characterize the surface chemical states of reactants and catalysts under reaction conditions to elucidate the composition effect of platinum–iron…”
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Combined sulfating and non-sulfating support to prevent water and sulfur poisoning of Pd catalysts for methane combustion by Di Carlo, Gabriella, Melaet, Gérôme, Kruse, Norbert, Liotta, Leonarda F, Pantaleo, Giuseppe, Venezia, Anna M

“…The appropriate combination of titania and silica, sulfating and non-sulfating support, respectively, results in Pd catalysts with improved water and sulfur…”
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Surface Composition Changes of Redox Stabilized Bimetallic CoCu Nanoparticles Supported on Silica under H2 and O2 Atmospheres and During Reaction between CO2 and H2: In Situ X‑ray Spectroscopic Characterization by Alayoglu, Selim, Beaumont, Simon K, Melaet, Gérôme, Lindeman, Avery E, Musselwhite, Nathan, Brooks, Christopher J, Marcus, Matthew A, Guo, Jingua, Liu, Zhi, Kruse, Norbert, Somorjai, Gabor A

“…In this paper, we report the colloidal synthesis and detailed characterization of 11 nm bimetallic CoCu nanoparticle catalysts. Presently Co and Cu is an…”
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Isomerization of n-Hexane Catalyzed by Supported Monodisperse PtRh Bimetallic Nanoparticles by Musselwhite, Nathan, Alayoglu, Selim, Melaet, Gérôme, Pushkarev, Vladimir V., Lindeman, Avery E., An, Kwangjin, Somorjai, Gabor A.

“…Composition and size of Pt x Rh 1− x bimetallic nanoparticles were varied in order to study the effects in the catalytic reforming of n -hexane. Hexane…”
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CO Oxidation Activity of Ag/TiO2 Catalysts Prepared via Oxalate Co-precipitation by Frey, Krisztina, Iablokov, Viacheslav, Melaet, Gérôme, Guczi, László, Kruse, Norbert

“…Ag/TiO 2 catalysts with different Ag loadings (2, 4, 7 and 10% (w/w)) have been prepared by means of co-precipitation of Ag- and TiO-oxalates followed by…”
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