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266
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Dataset results
266 results for “Catalyst”
ZEO-1, A Stable Zeolite Catalyst with Intersecting Three-Dimensional extralarge Plus Large Pores
<p>ZEO-1 is an aluminosilicate zeolite with a multidimensional system of interconnected extra-large pores. This aluminosilicate has a high silica content and a zeolitic, non-interrupted framework, with high thermal and hydrothermal stability. The pore system of ZEO-1 contains both 3D 16MR and large 3D 12MR channels with high interconnectivity that results in three types of supercages with four windows of 16MR and/or 12MR. </p>
Dataset for the paper "High Loading of Single Atomic Iron Sites in Pyrolysed Fe-NC Oxygen Reduction Catalysts for Proton Exchange Membrane Fuel Cells", DOI:10.1038/s41929-022-00772-9
<p>The data in this spreadsheet was used to produce the figures in the paper </p> <p>Authors: Asad Mehmood, Mengjun Gong, Frédéric Jaouen, Aaron Roy, Andrea Zitolo, Anastassiya Khan, Moulay-Tahar Sougrati, Mathias Primbs, Alex Martinez Bonastre, Dash Fongalland, Goran Drazic, Peter Strasser, Anthony Kucernak</p> <p>Title: High Loading of Single Atomic Iron Sites in Pyrolysed Fe-NC Oxygen Reduction Catalysts for Proton Exchange Membrane Fuel Cells</p> <p>Journal: Nature Materials</p> <p>DOI: 10.1038/s41929-022-00772-9</p> <p>Please cite the above reference if you wish to use this data </p> <p> </p> <p>DOI of data: 10.5281/zenodo.6411262</p>
Supplementary Material for Mapping Active Site Geometry to Activity in Immobilized Frustrated Lewis Pair Catalysts
<p>Supplementary Material for "Mapping Active Site Geometry to Activity in Immobilized Frustrated Lewis Pair Catalysts".</p>
Catalyst Regeneration of RAP-Binder in Asphalt
<p>Reclaimed Asphalt Pavement (RAP) binders are difficult to reuse because they often contain associated/aggregated molecules with very high molecular weights. This is due to the polarity gained during oxidative aging, causing the aggregation to occur. These high molecular weight components are responsible for RAP binder’s increased viscosity and certain deteriorated rheological properties. One strategy to reuse RAP binder is to mix it with virgin asphalt binder and use this partially recycled mixture in asphalt. The RAP binder is usually improved before mixing by the addition of rejuvenators, softening agents, softer binders, and antioxidants to the asphalt binder mix to rebalance their rheological properties. The purpose of this research was to study effective ways to incorporate RAP content in asphalt mixtures using a novel approach of introducing a catalyst that can modify the binder’s chemical composition; particularly to alter the oxidized molecules and reduce the number/content of aggregated structures. The use of a catalyst such as a Lewis acid to break the associated molecules in the RAP-binder is a new promising approach. The Lewis acids catalysts are known to catalyze the conversion of coal to liquid product, but the mechanism of action is not well understood. This report describes the result of our investigation into the effects of a Lewis acid catalyst such as Iron (III) chloride and Zinc chloride on the chemical composition of RAP-binder. The ultimate result is that Iron (III) chloride lowers the size of high molecular weight material when 2% w/w is used with RAP at 165 degrees Celsius for 30 minutes.</p>
dataset How does the balance of metal and acid functions on the benchmark Mo/ZSM-5 catalyst drive the Methane dehydroaromatization reaction
<p>dataset How does the balance of metal and acid functions on the benchmark Mo/ZSM-5 catalyst drive the Methane dehydroaromatization reaction</p>
EVERGi-Brightway/Fischer-Tropsch-catalyst: Fischer-Tropsch catalyst LCI
<p>This repository contains the LCI of the life cycle of the cobalt Fischer-Tropsch catalyst described in <a href="https://doi.org/10.1021/acscatal.0c05027">https://doi.org/10.1021/acscatal.0c05027</a>. The database is in Excel format and it can be imported in a brightway2 project. The repository also contains the script to generate the prospective background database that was used in the paper "Assessment of the climate change and metal depletion impacts of a cobalt Fischer-Tropsch catalyst with prospective life cycle assessment".</p>
Catalyst-free single-step plasma reforming of CH4 and CO2 to higher value oxygenates under ambient conditions
<p>Experimental data</p>
Encapsulation Enhances the Catalytic Activity of C-N Coupling: Reaction Mechanism of a Cu(I)/Calix[8]arene Supramolecular Catalyst - XYZ Structure files
<p>XYZ Structures corresponding to DOI: 10.1002/cctc.202200662</p>
Flame-made ternary Pd-In2O3-ZrO2 catalyst with enhanced oxygen vacancy generation for CO2 hydrogenation to methanol
<p>Source data for figures displayed in the manuscript.</p>
Efficiency and suitability when exploring the conformational space of phase transfer catalysts - Supporting information
<p>Supporting information for Efficiency and suitability when exploring the conformational space of phase transfer catalysts. In this study, a complete exploration of the conformational space within phase transfer catalysts by means of computational methods benchmarking is presented. For this particular research work, only the most applied conformational analysis approaches have been chosen to characterise different Cinchona alkaloid-based phase transfer catalysts. This particular benchmarking study aims to rigorously compare the performance of different conformational methods, determining the strengths of each method and to provide recommendations regarding suitable choices of methods for an analysis. <strong> </strong></p>
"Catalyst for change" mural
Mural on [Greene & Nostrand](https://www.google.com/maps/@40.688428,-73.9510059,3a,75y,117.49h,99.58t/data=!3m6!1e1!3m4!1s5N9tA9jzKLomWhWXeN2sQQ!2e0!7i16384!8i8192) in Brooklyn. ~100 photos processed with Metashape. Source: Objaverse 1.0 / Sketchfab
Research Data: Supported Ruthenium Phosphide as a Promising Catalyst for Selective Hydrogenation of Sugars (doi.org/10.1002/ejic.202400117)
<p>Research Data for the Publication: "<span><span>Supported r</span><span>uthenium phosphide</span><span> </span><span>as a promising </span><span>catalyst for selective hydrogenation</span><span> </span><span>of sugars</span></span>" published by Wiley, European Journal of Inorganic Chemistry</p>
One-pot synthesis of iron-doped ceria catalysts for tandem carbon dioxide hydrogenation
<p>Raw data set for the manuscript "One-pot synthesis of iron-doped ceria catalysts for tandem carbon dioxide hydrogenation"</p> <p>Journal: Catal. Sci. technol.</p> <p>Authors: Albert Gili, Maged F. Bekheet, Franziska Thimm, Benjamin Bischoff, Michael Geske, Martin Konrad, Sebastian Praetz, Christopher Schlesiger, Sören Selve, Aleksander Gurlo, Frank Rosowski, Reinhard Schomäcker</p> <p>Abstract: We report on the one-pot synthesis of inexpensive and abundant CeO<sub>2</sub> and 1.5, 4.5, and 9 mol% Fe-doped ceria (Ce<sub>1-x</sub>Fe<sub>x</sub>O<sub>2-δ</sub>) systems and their catalytic activity for tandem CO<sub>2</sub> hydrogenation. XAFS and XRD demonstrate that oxygen vacancies are generated via two mechanisms: firstly, by the substitution of Ce<sup>4+</sup> by Fe<sup>3+ </sup>in the lattice and the subsequent loss of oxygen anions. Secondly, by the partial reduction of Ce<sup>+4</sup> to Ce<sup>+3</sup>, which is enhanced by the presence of Fe. All the samples tested show high activity for CO<sub>2</sub> hydrogenation and the production of CO, CH<sub>4</sub>, and light (C<sub>2</sub>-C<sub>4</sub>) alkanes and alkenes, with the 9 mol% Fe-doped CeO<sub>2</sub> showing the best performance in terms of CO<sub>2</sub> reaction rate and product selectivity. During reaction, Fe exsolves/seggregates from the ceria, resulting in particles decorating the surface of the catalyst and increasing the reaction rates of CO<sub>2</sub>. This system is composed of two functionalities, the oxygen vacancy and the Fe, whose close vicinity results in a high selectivity toward CO and CH<sub>4</sub> detrimental to the more valuable hydrocarbons. A rather complex interplay between the two functionalities, their interface, and the particle size of the catalysts exists for this tandem reaction network on this catalytic system and deserves further studies.</p>
Electrochemical on-surface synthesis of a strong electron-donating graphene nanoribbon catalyst
<p><span>On-surface synthesis of edge-functionalized graphene nanoribbons (GNRs) has attracted much attention. However, producing such GNRs on a large scale through on-surface synthesis</span><span> </span><span>under ultra-high vacuum on thermally activated metal surfaces has been challenging. This is mainly due to decomposition of functional groups at temperatures </span><span>of</span><span> 300 to 500°C and limited monolayer GNR growth based on the metal catalysis. To overcome these obstacles, we developed an on-surface electrochemical technique that utilizes redox reactions of asymmetric precursors at an electric double layer where a strong electric field is confined to the liquid-solid interface. <a name="_Hlk164526696"></a>We successfully demonstrate layer-by-layer growth of strong electron-</span><span><span>donating</span><span> GNRs on electrodes at temperatures </span><span><</span><span>80°C without decomposing functional groups.</span></span><span> </span><span>We show</span><span> that high-voltage facilitates previously unknown heterochiral di-cationic polymerization. <a name="_Hlk164368440"></a>Electro</span><span><span>chemically produced</span><span> GNRs exhibiting one of the strongest electron-</span><span>donating</span><span> properties known, enable extraordinary silicon-etching catalytic activit</span><span>y,</span><span> </span><span>exceeding those of </span><span>noble metals, with superior photoconductive properties.</span></span><span> </span><span>Our technique advances the possibility of producing various edge-functional GNRs.</span></p>
Reaction-Induced Metal-Metal Oxide Interactions in Pd In2O3/ZrO2 Catalysts Drive Selective and Stable CO2 Hydrogenation to Methanol
<p>Ternary Pd-In<sub>2</sub>O<sub>3</sub>/ZrO<sub>2</sub> systems hold promise as industrial catalysts for CO<sub>2</sub>-based methanol synthesis, but maximization of their productivity requires appropriate structuring of the active phase, promoter, and carrier. Here, we report that Pd-In<sub>2</sub>O<sub>3</sub>/ZrO<sub>2</sub> systems prepared by impregnation evolve into a unique catalyst architecture under CO<sub>2</sub> hydrogenation conditions, leading to selective and stable behavior. Detailed space and time-resolved <em>operando</em> characterization and simulations reveal that the restructuring process, completed within the first 30 min under reaction conditions, is governed by the energetics of metal-metal oxide interactions. The resulting architecture comprises InPd<em><sub>x</sub></em> alloy particles decorated by InO<em><sub>x</sub></em> layers, whose proximity is crucial to avoiding performance losses typically observed when palladium agglomerates. The findings highlight the potential beneficial role of reaction-induced restructuring in advancing catalyst design.</p>
Amazon Catalyst Video for WebNeuralNetwork (WNN)
<p>Video introducing Washington State University Vancouver's Distributed Systems Research Lab on Concurrency, Energy, and Resources including initial research into WebNeuralNetwork (WNN).</p>
Supplementary Data for "Structure−Activity Relationships that Identify Metal−Organic Framework Catalysts for Methane Activation"
<p>DFT-optimized structures, energies, and computed physicochemical properties of metal-organic frameworks that correspond with work in "Structure−Activity Relationships that Identify Metal−Organic Framework Catalysts for Methane Activation" (DOI: <a href="https://pubs.acs.org/doi/10.1021/acscatal.8b05178">10.1021/acscatal.8b05178</a>).</p>
Assessment of transport phenomena in catalyst effectiveness for chemical polyolefin recycling
<p>Dataset for the article titled Assessment of transport phenomena in catalyst effectiveness for chemical polyolefin recycling, published in Nature Chemical Engineering.</p>
HERFD-XANES and vtc-XES data acquired during CO2RR conditions for Ni single atom catalysts
<p>HERFD-XANES and vtc-XES data (.h5 files) relative to the pubblication: "Unveiling the Adsorbate Configurations in Ni Single Atom Catalysts during CO2 Electrocatalytic reduction using Operando XAS, XES and Machine Learning".</p>
Competing commercial catalysts: Unprecedented catalyst activity and stability of Mizoroki-Heck reaction in a continuous packed bed reactor
<p>This dataset contains the measurement data for figures (graphs) published in journal article:</p> <p>Competing commercial catalysts: Unprecedented catalyst activity and stability of Mizoroki-Heck reaction in a continuous packed bed reactor</p> <p>by Nemanja Vucetic, Pasi Virtanen, Andrey Shchukarev, Tapio Salmi and Jyri-Pekka Mikkola</p> <p>Published in: Chemical Engineering Journal, Volume 433, Part 1, 2022, 134432</p> <p>https://doi.org/10.1016/j.cej.2021.134432</p>
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These curated guides explain access requirements, typical timelines, costs, and reuse considerations for widely used research datasets.
Allen Brain Atlas
Allen Brain Atlas is an Allen Institute collection of brain map atlases, datasets, APIs, and analysis tools covering mouse, human, and non-human primate brain resources.
Annotated Behaviour and Observability Dataset (ABODe)
ABODe is a University of Edinburgh DataShare dataset for behavior classification in group-housed mice using home-cage video, identities, bounding boxes, ground-plate positions, and annotator labels.
DANDI Archive for NWB datasets
DANDI is a BRAIN Initiative archive for publishing and sharing neurophysiology data, including electrophysiology, optophysiology, and behavioral data packaged as NWB and related standards.
International Brain Laboratory public data
The International Brain Laboratory public data releases expose standardized mouse decision-making experiments, including Neuropixels recordings, widefield calcium imaging, behavior, and session metadata accessed through the ONE API.
OpenNeuro
OpenNeuro is a free, open platform for sharing neuroimaging datasets, with public search, dataset pages, and download paths for web, S3, DataLad, and the OpenNeuro CLI.