Chemists discover new class of compounds

01-Jun-2022

Scientists at Jacobs University Bremen led by Ulrich Kortz, Professor of Chemistry, have achieved a breakthrough in the field of precious metal-oxo chemistry. For the first time, researchers have synthesized cationic, meaning positively charged, metal-oxo clusters based on palladium. They report ...

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Researchers have developed a new ligand that promotes a direct nickel-photocatalyzed cross-coupling reaction

28-Apr-2022

In recent years, the golden word in precious metals is palladium. A crucial component in automobile catalytic converters and in emerging hydrogen fuel cell technology, the demand for this rare silvery white transition metal continues to outstrip supply, driving its price per ounce far above gold ...

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Potential for a wide range of applications

07-Apr-2022

Hydrogen plays a pivotal role in Germany’s energy and climate policy. In comparison to other gaseous or liquid energy sources, special security requirements have to be considered for applications with hydrogen, because additionally to fire hazard under certain conditions an explosive air hydrogen ...

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Innovative ideas for the energy carrier of the future

04-Jan-2022

An innovative approach could turn nanoparticles into simple reservoirs for storing hydrogen. The highly volatile gas is considered a promising energy carrier for the future, which could provide climate-friendly fuels for airplanes, ships and lorries, for example, as well as allowing ...

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Scientists succeed in linking microscopic and macroscopic approaches - and thus solve an old puzzle

28-Oct-2021

Chemical reactions can be studied at different levels: At the level of individual atoms and molecules, new compounds can be designed. At the level of tiny particles on the nano and micrometre scale, one can understand how catalyst materials influence chemical reactions. And in order to use ...

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26-Jan-2021

Metallurgists have all kinds of ways to make a chunk of metal harder. They can bend it, twist it, run it between two rollers or pound it with a hammer. These methods work by breaking up the metal's grain structure -- the microscopic crystalline domains that form a bulk piece of metal. Smaller ...

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A new type of palladium catalysts based on chitin can be reused over 10 times

17-Dec-2020

Chemists from RUDN University synthesized soluble biopolymers based on chitin from crab shells. Together with palladium, they form effective catalysts for organic reactions, and their nanoparticles can be re-used over ten times. Palladium-based catalysts are used to speed up cross-coupling ...

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Direct coupling of aryl halides and alkyllithium compounds by palladium catalysis

14-Oct-2020

Palladium catalysts help synthesize key chemicals for many industries. However, direct reaction of two basic reagents, aryl halides and alkyllithium compounds, remains a challenge. Now, a team of scientists have found that a catalyst containing YPhos-type ligands can mediate this reaction even at ...

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Catalyst based on a substance that comes from plant waste

08-Sep-2020

Many production facilities (e.g. plastic manufacturers, pharma companies, and others) use nanocatalysts that contain palladium--an expensive component that is not sustainably produced. A chemist from RUDN University found a way to reduce palladium consumption and to make its manufacture more ...

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Chemists develop method to produce π-allylpalladium complexes by radical chemistry

26-Mar-2020

In the production of compounds, chemists have the fundamental goal of finding strategies that are most selective and avoid waste products. Breakthroughs in this area serve, among other things, to drive industrial innovation and drug development. In this context, allylic substitution reactions ...

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