CENIDE: News

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Richtig kühlen fürs Klima
© Qiming Zhang

Winner of Humboldt-Research-Award at Institute of Materials Science

Proper cooling for the climate

[10.09.2019]

Cooled food and drugs are very important for many humans. Simultaneously, keeping them cold harms the environment. Prof. Qiming Zhang explores how optimal chilling reduces the climate change. The winner of the Humboldt-Research-Award is guest of Prof. Dr. Doru C. Lupascu at the UDE-Institute of Materials Science.

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Laufende stehende Welle erzeugt

Video of a phenomenon

Standing waves that won’t stand still

[12.08.2019]

And yet they move: An international team of scientists involving physicists from the Center for Nanointegration (CENIDE) at the University of Duisburg-Essen (UDE) has observed a new phenomenon: They have generated standing waves – which travel. The results of their research have been published in the scientific journal "Physical Review B" including videos of the effect.

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Gedrehtes Graphen

Publication in ACS NanoLetters

Graphene likes the Twist

[08.08.2019]

Graphene does not like to be compressed – instead it forms twisted domains during epitaxial growth on an iridium substrate.

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Kleinste messbare Prozesse einzeln erfasst

Dynamics in quantum dots

Smallest measurable processes recorded individually

[29.07.2019]

Colloquially, the term “quantum jump” is used to describe a tremendous development. In fact, it is the smallest change of state that can still be traced. Physicists from the Collaborative Research Center 1242 at the University of Duisburg-Essen (UDE) have now succeeded in measuring every single jump by optical means and drawing conclusions about the dynamics of the electrons inside a quantum dot. The journal Physical Review Letters reports on this in its 122ndissue.

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Zweiseitige Nanoringe
© GröschelLab

Self-organizing molecules

Nanorings with two sides

[18.07.2019]

The tiny rings that chemists at the Center for Nanointegration (CENIDE) at the University of Duisburg-Essen (UDE) create in the laboratory are as small as a bacterium. Self-organized, individual polymer chains form the flexible structures that can even squeeze themselves through cell membranes. This would enable them to deliver active substances in a very targeted manner. The renowned scientific journal ACS Nano reports on this in its current issue.

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Katalysator-Herstellung in einem Schritt
© Wöhrl, AG Lorke

Patent pending for process

Production of catalyst in one single step

[15.07.2019]

Not much is possible without catalysts: More than 80% of all chemically manufactured products undergo a catalytic step during their production. The active material is usually platinum or another precious metal, so production is correspondingly expensive and requires several steps. Physicists at the University of Duisburg-Essen (UDE) have now filed a patent application for a process that produces highly active and long-term stable catalyst material in a single step.

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Hohe Reaktionsraten auch ohne Edelmetalle
© RUB / Kramer

Publication in JACS

High reaction rates even without precious metals

[19.06.2019]

Precious metals are often efficient catalysts. But they are expensive and rare. However, it has so far been difficult to determine how efficient non-precious metal alternatives are. A team including Prof. Dr. Kristina Tschulik from the Ruhr-Universität Bochum, Prof. Dr. Stephan Schulz (UDE) and colleagues from Dresden published together in the Journal of the American Chemical Society.

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Starre Bindungen für neue Smartphone-Datenspeicher

Publication in Science

Rigid bonds enable new data storage technology

[14.06.2019]

Phase-change materials are used in the latest generation of smartphones enabling higher storage densities and energy efficiency. However, to date it has not been possible to study what happens at the atomic level during this process. In a paper published today in Science, a group of scientists led by researchers from the University of Duisburg-Essen and the European XFEL in Germany, show that changes of the chemical bonding mechanism in the liquid phase enables data storage in these materials.

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Becher mit Attoliter-Volumen

Self-organizing molecules

Cups with attoliter volume

[15.05.2019]

They look like interlocking egg cups, but a hen's egg is 100,000 times as thick as one of the miniature cups: Scientists at the Center for Nanointegration (CENIDE) at the University of Duisburg-Essen (UDE) have made polymers to form themselves into tiny cups on their own. They could, for example, be used to remove oil residues from water. The scientists have published their results in the journal "Angewandte Chemie".

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Partikel aus der Flamme
© privat

Humboldt Prize Winner at the NETZ

Particles out of the flame

[13.05.2019]

To improve car engines, produce nanomaterials or design rocket engines, it is essential to understand combustion processes. Professor Hai Wang from Stanford University (USA) is an expert in this field. As a winner of the prestigious Research Award of the Alexander von Humboldt Foundation, he is currently a guest researcher at the NanoEnergieTechnikZentrum (NETZ) of the University of Duisburg-Essen (UDE).

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Das perfekte Material berechnen

Emmy Noether Group for Physicist

Calculating the perfect material

[25.02.2019]

Generating electricity from heat differences or mechanical energy has been possible for a long time. But the materials required are usually expensive, rare or toxic. Physicist Dr. Anna Grünebohm from the University of Duisburg-Essen (UDE) researches harmless and easily available alternatives. She has succeeded in recruiting one of the coveted Emmy Noether junior research groups, and will be funded with more than €1.3 million for six years.

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Die Suche nach der Traumreaktion
(c) UDE

Prof. Dr. Corina Andronescu is new at the UDE

The quest for the dream reaction

[29.01.2019]

While politicians are struggling for mandatory solutions to limit carbon dioxide (CO2) emissions, Dr Corina Andronescu is researching a complementary solution – the electrochemical conversion of CO2into usable fuels such as methanol, called "Dream Reaction". In December, she was appointed junior professor for electrochemical catalysis at the University of Duisburg-Essen (UDE).

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Die Nanoschicht aus dem Drucker
(c) UDE

Prof. Dr. Doris Segets is new at the UDE

The printed nanolayer

[21.01.2019]

Solar and fuel cells, LEDs, batteries – many sustainable technologies already contain nanoparticles. But still there are hardly any scalable processes for the production in industrial dimensions. That’s what Prof. Dr. Doris Segets wants to change. She took up the professorship for “Process Engineering of Electrochemical Functional Materials” at the University of Duisburg-Essen (UDE). Already, she has been appointed to the board of directors of the NanoEnergieTechnikZentrum (NETZ).

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Zweite Auflage der Materials Chain International Conference

From all over the world to the Ruhr

2nd Materials Chain International Conference

[05.12.2018]

For the second time, the Materials Chain International Conference (MCIC) was organized by the correspondent flagship program of the University Alliance Ruhr (UA Ruhr). This year it took place in Bochum from November 12 to 14. About 200 international scientists gathered at the second MCIC to discuss their latest results and to network with high-ranking invited speakers from other renowned institutes such as Oxford, Berkeley or Harvard.

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