Sustainably producible covalent organic networks capture carbon dioxide

"For the first time, a solid-phase synthesis of COFs has been developed that works completely without solvents"

01-Oct-2024 - An international research team led by Heinrich Heine University Düsseldorf (HHU) and the University of Siegen has synthesized a new compound that forms a so-called covalent organic network. The phosphonic acid-based compound is stable and can be used, for example, to store carbon dioxide (CO2), ...

Researchers achieve dual-functional supramolecular materials

08-Jul-2024 - Versatile molecular frameworks called discrete supramolecular structures act like microscopic building blocks customizable for a wide variety of applications. The structures can serve in drug delivery, provide unique environments for catalytic reactions or plug into a molecular machine. In their ...

Molecular sponge for the electronics of the future

The properties of the new 2D polymer can be controlled in a targeted and reversible manner

19-Jun-2024 - An international research team led by Dr Florian Auras from Dresden University of Technology (TUD) has succeeded in developing a new type of material in the rather young research field of covalent organic frameworks. The new two-dimensional polymer is characterised by the fact that its properties ...

New milestone for lithium metal batteries

POSTECH, KIER, and POSCO N.EX.T HUB develops porous structures for lithium metal batteries

29-May-2024 - Just as road signs provide directions and distances to help travelers avoid getting lost, "signposts" guide people in specific situations. In the field of chemistry, structures that serve a similar purpose have recently been discovered and are drawing significant academic interest. Professor ...

Freeze casting - a guide to creating hierarchically structured materials

Diverse applications not only in biomedicine, but also in engineering, from new catalysts to highly porous battery electrodes

30-Apr-2024 - Freeze casting is an elegant, cost-effective manufacturing technique to produce highly porous materials with custom-designed hierarchical architectures, well-defined pore orientation, and multifunctional surface structures. Freeze-cast materials are suitable for many applications, from ...

How to capture water from air

Researchers decipher the underlying adsorption mechanism of special microporous material

09-Jan-2024 - Researchers from the Helmholtz-Zentrum Dresden-Rossendorf (HZDR) and Dresden University of Technology (TUD) have unraveled the water adsorption mechanism in certain microporous materials – so-called hierarchical metal-organic frameworks (MOFs) – while probing them on the atomic scale. Discovered ...

When soft spheres make porous media stiffer

Researchers of the University of Stuttgart and the University if Twente succeed in three-dimensional characterization

23-Jun-2023 - Porous media such as concrete physically represent a spherical packing of different components – in this case cement, rock and water. The mechanical properties of such mixtures are still difficult to calculate due to their discretized nature. A team led by Prof. Holger Steeb (University of ...

New AI model transforms understanding of metal-organic frameworks

The “MOFtransformer” is designed to be the ChatGPT for researchers that study MOFs

15-Mar-2023 - How does an iPhone predict the next word you’re going to type in your messages? The technology behind this, and also at the core of many AI applications, is called a transformer;a deep-learning algorithm that detects patterns in datasets. Now, researchers at EPFL and KAIST have created a ...

Novel porous materials are ideal for metal-air batteries

13-Mar-2023 - Sustainable energy solutions cannot be pulled out of thin air. However, combining air with metal and other frameworks may pave the way for environmentally friendly energy conversion and storage, according to a research team based in China. They published their review of novel porous materials — ...

The junction is the key: Researchers decrypt transport dynamics of porous media

What laws govern how chemicals pass through filters? How do droplets of oil move through layers of stone? How do blood cells travel through a living organism?

02-Dec-2022 - A team of researchers led by the Technical University of Munich (TUM) and the Max Planck Institute for Dynamics and Self-Organization (MPI-DS) has discovered how pore space geometry impacts transport of substances through fluids. Concentration takes energy. As you read this article, the blood ...