Articles with "copper catalysts" as a keyword



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Mapping Support Interactions in Copper Catalysts

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Published in 2019 at "Topics in Catalysis"

DOI: 10.1007/s11244-019-01150-9

Abstract: Intrinsic activity is often reported as a Turnover Frequency (TOF) of an active phase and is determined from an overall activity and a specific active surface area. The latter parameter is often determined by selective… read more here.

Keywords: copper catalysts; interactions copper; mapping support; support interactions ... See more keywords
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Efficient copper catalysts for CH bond arylation under microwave heating: Direct access to multi-substituted pivanilides

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Published in 2017 at "Catalysis Communications"

DOI: 10.1016/j.catcom.2016.11.022

Abstract: Abstract We herein describe a parallel comparison between homogeneous and heterogeneous copper catalysts for microwave-assisted direct C H bond arylation. These catalytic systems feature enhanced catalytic activities, unique bulky ligand/base effects, mild conditions, and operational… read more here.

Keywords: copper catalysts; substituted pivanilides; copper; bond arylation ... See more keywords
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Evolution of active sites and catalytic consequences of mesoporous MCM-41 supported copper catalysts for the hydrogenation of ethylene carbonate

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Published in 2018 at "Chemical Engineering Journal"

DOI: 10.1016/j.cej.2017.11.115

Abstract: Abstract Understanding the nature of copper active sites and structural evolution in preparation is crucial to rational design of copper catalysts for ethylene carbonate hydrogenation. The Cu/MCM-41 catalysts were prepared to focus on the evolution… read more here.

Keywords: active sites; copper catalysts; ethylene carbonate; evolution ... See more keywords
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Insights into the Preparation of Copper Catalysts Supported on Layered Double Hydroxide Derived Mixed Oxides for Ethanol Dehydrogenation.

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Published in 2021 at "ACS applied materials & interfaces"

DOI: 10.1021/acsami.1c04541

Abstract: Acetaldehyde is an important chemical commodity and a building block for producing several other high-value products in the chemical industry. This has motivated the search for suitable, efficient, stable, and selective catalysts, as well as… read more here.

Keywords: layered double; copper catalysts; copper; ethanol dehydrogenation ... See more keywords
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Active and Selective Ensembles in Oxide-Derived Copper Catalysts for CO2 Reduction

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Published in 2020 at "ACS energy letters"

DOI: 10.1021/acsenergylett.0c01777

Abstract: Copper catalysts are unique in CO2 reduction as they allow the formation of C2+ products. Depending on the catalysts’ synthesis, product distribution varies significantly: while Cu nanoparticles pr... read more here.

Keywords: co2 reduction; selective ensembles; copper catalysts; active selective ... See more keywords
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The effects of currents and potentials on the selectivities of copper toward carbon dioxide electroreduction

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Published in 2018 at "Nature Communications"

DOI: 10.1038/s41467-018-03286-w

Abstract: Copper electrodes have been shown to be selective toward the electroreduction of carbon dioxide to ethylene, carbon monoxide, or formate. However, the underlying causes of their activities, which have been attributed to a rise in… read more here.

Keywords: carbon dioxide; copper catalysts; carbon; electroreduction ... See more keywords
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Some Insights into the Use of Heterogeneous Copper Catalysts in the Hydroprocessing of Levulinic Acid

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Published in 2023 at "Catalysts"

DOI: 10.3390/catal13040697

Abstract: Levulinic acid and its esters are close to being extensively produced through consolidated industrial processes, thus playing a central role in biobased industries producing commodities within the principles of the circular economy. One of the… read more here.

Keywords: copper catalysts; heterogeneous copper; acid; levulinic acid ... See more keywords