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261 Current news about the topic copper

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New method correlates atomic force microscopy with the function of single-atom catalysts

Researchers study catalytic activity of copper atoms

09-Sep-2022 - Fuel cells convert chemical reaction energy into electric power and heat. They are used, for example for the development of electric vehicles, in aviation and aeronautics or for sustainable energy supplies. During the conversion of energy, the catalytic reduction of oxygen plays an important ...

catalysts copper single-atom catalysts
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Caught in the act: Key chemical intermediates in pollutant-to-fuel reaction identified

Such work will help convert an atmospheric pollutant into fuel for vehicles, and chemical feedstocks for industry

11-Jul-2022 - Researchers from the University of Tsukuba and collaborating partners experimentally measured hydrogenation of metal-adsorbed formate. This development will facilitate practical conversion of carbon dioxide pollutant into methanol fuel. Carbon dioxide pollution continues to change the global ...

carbon dioxide copper formates +4
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Scientists solve mystery about catalysis for green production of methanol from carbon dioxide

Live view into methanol synthesis

10-May-2022 - An international research team led by researchers of Stockholm University has for the first time been able to study the surface of a copper-zinc catalyst when carbon dioxide is reduced to methanol. The results – obtained at DESY´s brilliant light source PETRAIII – are published in the scientific ...

carbon dioxide catalysis catalysts +4
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Copper is effective against Sars-Cov-2 on surfaces – silver is not

Silver nanopatches leave the virus unimpressed

09-May-2022 - Copper and silver are known for their antibacterial properties. Researchers from Bochum have explored their effectiveness against viruses. Silver and copper ions wipe out many pathogens. That’s why implants and medical instruments, for example, are coated with these metals. Researchers from ...

coatings copper material science +4
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Rice process aims to strip ammonia from wastewater

Ruthenium and copper catalyze a more environmentally friendly way to produce essential chemical

04-May-2022 - A dash ofrutheniumatoms on a mesh of copper nanowires could be one step toward a revolution in the global ammonia industry that also helps the environment. Collaborators at Rice University’sGeorge R. Brown School of Engineering,Arizona State Universityand Pacific Northwest National ...

ammonia catalysts copper +7
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Copper-silver-gold nanostructure gives carbon-capture-and-utilization a boost

“We thought if two metals were producing good results, then perhaps three metals would be even better”

18-Mar-2022 - Chemists have developed a nano-scale structure that combines copper, gold and silver to work as a superior catalyst in a chemical reaction whose improved performance will be essential if carbon capture and utilization efforts are to succeed in helping to mitigate global warming. In the face of ...

carbon capture carbon dioxide catalysts +5
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Impossible material made possible inside a graphene sandwich

Towards new 2D materials

21-Jan-2022 - Atoms bind together by sharing electrons. The way this happens depends on the atom types but also on conditions such as temperature and pressure. In two-dimensional (2D) materials, such as graphene, atoms join along a plane to form structures just one atom thick, which leads to fascinating ...

2D materials copper graphene +4
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The next big thing: A new technology for directly converting carbon dioxide into pure formic acid

Novel electrochemical device based on solid-state electrolyte

05-Jan-2022 - Anthropogenic emissions of carbon dioxide bring a series of climatic and environmental problems including global warming. Artificially upcycling of carbon dioxide into value-added fuels and chemicals, powered by "green electricity" of renewable energy, provides an elegant route to close the ...

carbon dioxide catalysts copper +1
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Machine learning deployed to fast-track industrial optimization process

Minimization of defects in ALD passivation films with only two steps through Bayesian optimization

16-Dec-2021 - An interdisciplinary team of researchers at the Max Planck Institute for Intelligent Systems, the Max Planck Institute for Solid State Research, the Technical University of Munich, and Robert Bosch GmbH deploy Bayesian Machine Learning methods to fast-track the optimization process of coating ...

aluminium oxides atomic layer deposition coatings +3
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3D printing approaches atomic dimensions

A new electrochemical technique makes the production of complex metallic objects at the nanoscale possible

22-Nov-2021 - In recent years 3D printing, also known as additive manufacturing, has established itself as a promising new manufacturing process for a wide variety of components. Dr Dmitry Momotenko, a chemist at the University of Oldenburg, has now succeeded in fabricating ultrasmall metal objects using a new ...

3D printing copper electrochemistry +1