Metallic five-membered ring pushes the boundaries of aromaticity

Researchers succeed in synthesizing a molecule that should not actually exist

03-Jun-2022 - How many atoms can an aromatic ring have if it contains only two electrons? The answer has recently been changed: five! For the first time, a team from chemistry has succeeded in synthesizing and describing a five-membered aromatic compound - an important class of substances in chemistry - by ...

Improve industrial chemical reactions with better products and less byproducts

Heterogeneous photocatalysis can help scientists sustainably control products and byproducts of chemical reactions, including reducing CO₂

03-Jun-2022 - Controlling the products and byproducts of a chemical reaction is called selectivity. Scientists are trying to find better ways to control selectivity in industrial chemical reactions to improve the quality of the chemical products, reduce wasteful byproducts, and reduce harmful byproducts, like ...

Zapping orange peel oil into new, pleasant aroma compounds

Generation of flavor-active compounds by electrochemical oxidation of limonene

03-Jun-2022 - As oranges are peeled, they spray a tangy, citrus scented oil into the air. The main compound in the fragrant mist is limonene, which can be collected from discarded peels and used in flavorings, perfumes and all-purpose cleaners. Now, researchers reporting in ACS’ Journal of Agricultural and ...

New method for the technological use of 2D nanomaterials

02-Jun-2022 - Nanosheets are finely structured two-dimensional materials and have great potential for innovation. They are fixed on top of each other in layered crystals, and must first be separated from each other so that they can be used, for example, to filter gas mixtures or for efficient gas barriers. A ...

New tech aims to drive down costs of hydrogen fuel

02-Jun-2022 - Researchers from North Carolina State University have developed a new technique for extracting hydrogen gas from liquid carriers which is faster, less expensive and more energy efficient than previous approaches. “Hydrogen is widely viewed as a sustainable energy source for transportation, but ...

Writing with Light on Titania

Rewritable UV-sensitive surfaces made from doped TiO2 nanocrystals

02-Jun-2022 - Researchers have succeeded in producing a coating material that can be written on using UV light and the writing erased again using oxygen. Changes to rewritable paper could help reduce paper waste in a wide variety of applications. The material is made from three non-toxic components and is ...

Study Identifies Alternative to Lithium-based Battery Technology

02-Jun-2022 - Lithium-ion batteries are currently the preferred technology to power electric vehicles, but they’re too expensive for long-duration grid-scale energy storage systems, and lithium itself is becoming more challenging to access. While lithium does have many advantages – high energy density and ...

Electrochemical synthesis now possible without electric power source

New electrosynthesis process is independent of a power supply and can be used for sustainable organic synthesis, even in unpowered areas

02-Jun-2022 - Synthesis of organic compounds and polymers is at the core of many manufacturing industries. The new “electrifying synthesis” methods that can combine conventional synthetic chemistry with electrochemistry are a step closer to a sustainable tomorrow. These reactions don’t require potentially ...

Breakthrough in the field of precious metal-oxo chemistry

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 ...

Light Instead of Electricity: A New Kind of “Green Hydrogen”

Simple and promising

01-Jun-2022 - Today, green hydrogen is usually created by splitting up water using electrical current derived from renewable energy sources. Scientists at TU Wien have now developed a new photocatalyst design that could make this process more direct and controllable. Hydrogen could be an important part of our ...