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Electrons in rapid motion

Researchers observe quantum interferences in real-time using a new extreme ultra-violet light spectroscopy technique

18-Feb-2020

A team headed by Prof. Dr. Frank Stienkemeier and Dr. Lukas Bruder from the Institute of Physics at the University of Freiburg has succeeded in observing in real-time ultrafast quantum interferences — in other words the oscillation patterns — of electrons which are found in the atomic shells of ...

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Iodide salts stabilise biocatalysts for fuel cells

18-Feb-2020

Oxygen is the greatest enemy of biocatalysts for energy conversion. A protective film shields them – but only with an additional ingredient: iodide salt. Contrary to theoretical predictions, oxygen inactivates biocatalysts for energy conversion within a short time, even under a protective film. A ...

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Cobalt-based catalysts promise to enhance heavy oil extraction

18-Feb-2020

Despite the large number of existing reagents, research is ongoing in the world to obtain universal catalysts that are distinguished by their efficiency, low cost and neutral impact on the environment. After conducting laboratory studies, KFU scientists were able to create a new type of reagent ...

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Underestimated chemical diversity

There are an ever-​greater number of industrial chemicals on the world market

17-Feb-2020

An international team of researchers has conducted a global review of all registered industrial chemicals: some 350,000 different substances are produced and traded around the world – well in excess of the 100,000 reached in previous estimates. For about a third of these substances, there is a ...

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A fast light detector made of two-dimensional materials

Technology with multiple possibilities

17-Feb-2020

Two research groups at ETH Zurich have joined forces to develop a novel light detector. It consists of two-​dimensional layers of different materials that are coupled to a silicon optical waveguide. In the future, this approach can also be used to make LEDs and optical modulators. Fast and highly ...

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Catalyst deposition on fragile chips

17-Feb-2020

Electrocatalysts can help to obtain chemicals from renewable raw materials or to use alternative energy sources. But testing new catalysts brings challenges. Researchers at the Ruhr-Universität Bochum (RUB) and the University of Duisburg-Essen have developed a new method of depositing catalyst ...

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From petroleum to wood

Cost-efficient and more sustainable

17-Feb-2020

An interdisciplinary team of bio-engineers and economists from KU Leuven has mapped out how wood could replace petroleum in the chemical industry. They not only looked at the technological requirements, but also whether that scenario would be financially viable. A shift from petroleum to wood ...

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New simulation-experiment combination allows deeper insights into ultrafast light-induced processes

14-Feb-2020

Researchers from Graz University of Technology and the University of Vienna are demonstrating for the first time how the energy flow between strongly interacting molecular states can be better described. Since the 1990s, femtochemistry has been researching ultrafast processes at the molecular ...

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Graphene forms under microscope's eye

Scientists shrink laser-induced graphene for flexible electronics

14-Feb-2020

You don't need a big laser to make laser-induced graphene (LIG). Scientists at Rice University, the University of Tennessee, Knoxville (UT Knoxville) and Oak Ridge National Laboratory (ORNL) are using a very small visible beam to burn the foamy form of carbon into microscopic patterns. The labs ...

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Modified clay can remove herbicide from water

14-Feb-2020

By creating neatly spaced slits in a clay mineral, University of Groningen Professor of Experimental Solid State Physics Petra Rudolf was able to filter water to remove a toxic herbicide. After removing the pollutant by heating the material, the clay can be reused. Together with colleagues from ...

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