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h-BN/NiS2/NiS nanocatalysts for removing rhodamine B and Cr(VI) in wastewater

The h-BN/NiS2/NiS nanocatalyst exhibits high photocatalytic performance for removing Cr(VI) and rhodamine B from wastewater, with a synergistic effect enhancing its activity and stability. The composite material displays uniform dispersion of NiS2/NiS nanocrystals, increased specific surface area, and enhanced light absorption.

SourceHigher Education Press·JournalFrontiers of Chemical Science and Engineering·TypeExperimental study·DateDec 17, 2021

3D printing approaches atomic dimensions

Researchers have developed a new electrochemical technique for printing metal objects at the nanoscale, achieving resolutions of up to 25 nanometres in diameter. This technology has vast potential applications in fields like microelectronics, sensor technology, and battery production.

SourceUniversity of Oldenburg·JournalNano Letters·TypeExperimental study·DateNov 18, 2021

Converting methane to methanol -- with and without water

A team at Brookhaven National Laboratory has identified a common industrial catalyst that can efficiently convert methane to methanol with or without water. The findings suggest strategies for improving the water-free conversion, achieving 30% selectivity in the absence of water, and 80% selectivity with water.

SourceDOE/Brookhaven National Laboratory·JournalJournal of the American Chemical Society·TypeExperimental study·DateNov 8, 2021

Plant from plastics: Bio-based polymers can be transformed into fertilizer

Scientists at Tokyo Institute of Technology have developed an environmentally friendly process to chemically recycle bio-based plastics into fertilizers. The process, which uses ammonia to break down the plastics, produces nitrogen-rich molecules that can be used as fertilizer, showing promising results in plant growth experiments.

SourceTokyo Institute of Technology·JournalGreen Chemistry·TypeExperimental study·DateOct 28, 2021

Researchers determine optimum pressure to improve the performance of lithium metal batteries

The study found that a stack pressure of 350 kilo Pascal increases lithium particle deposition in neat columns, improving stability and reducing the risk of short circuits. Additionally, partial discharge during cycling can also boost performance without affecting the solid electrolyte interphase structure.

SourceUniversity of California - San Diego·JournalNature Energy·TypeExperimental study·DateOct 18, 2021

Molecular mixing creates super stable glass

Scientists at Chalmers University of Technology have developed a new type of super-stable glass by mixing up to eight different molecules. This breakthrough material exhibits ultralow fragility and superior glass-forming ability, making it suitable for applications in display technologies, renewable energy, and pharmaceuticals.

SourceChalmers University of Technology·JournalScience Advances·DateOct 14, 2021

COVID-19 and plastics: How the pandemic highlights the need for sustainable waste disposal

The COVID-19 pandemic has exacerbated plastic pollution, with global waste generation increasing by twice the amount in 2020 compared to 2019. To address this issue, researchers advocate for a transition to novel sustainable practices and technologies, including biodegradable plastics and efficient recycling processes.

SourceCactus Communications·JournalNature Reviews Earth & Environment·TypeCommentary/editorial·DateOct 7, 2021

Finding better ways to deliver medicine in the body

University of Delaware chemical engineer Catherine Fromen aims to improve the delivery of therapeutic medicines to the body by studying how they interact with mucosal interfaces. Her research focuses on designing medicines that can overcome natural defenses in the lungs and gut, with potential applications for diseases such as lung can...

Scientists look to nature to discover method for installing sulfur into complex molecules

A new study from Scripps Research Institute reveals a previously unrecognized way that nature solves the problem of persulfide instability, through the generation of helpful enzymes. The discovery provides researchers with a new method for generating potentially important sulfur-based molecules in the lab.

SourceScripps Research Institute·JournalNature Communications·TypeExperimental study·DateOct 1, 2021

Non-toxic technology extracts more gold from ore

Researchers at Aalto University have developed a non-toxic alternative to traditional cyanide-based gold extraction processes. The new chloride-based method, called EDRR, achieves an impressive 84% gold recovery rate, surpassing the 64% recovered with traditional cyanide methods.

SourceAalto University·JournalChemical Engineering·DateOct 1, 2021

Studying thermophoresis in space

A multidisciplinary team of Lehigh University researchers will conduct experiments on thermophoresis in complex fluids for bioseparations at the International Space Station. The team hopes to understand how temperature gradients affect particles and improve virus separation techniques with potential societal impact.

New cerium superhydrides become stepping stones to ‘Goldilocks’ superconductors

Scientists have discovered two new cerium superhydrides, CeH9 and CeH10, which exhibit superconductivity at lower pressures than previously known compounds. This breakthrough brings researchers closer to creating room-temperature superconductors with more manageable pressure conditions.

SourceSkolkovo Institute of Science and Technology (Skoltech)·JournalPhysical Review Letters·TypeExperimental study·DateSep 13, 2021

New substance classes for nanomaterials: Nano spheres and diamond slivers made of silicon and germanium

Researchers at Goethe University Frankfurt and Bonn have synthesized molecular nano spheres made of silicon atoms, known as silafulleranes, which can encapsulate chloride ions. The discovery of these new compounds may lead to improved applications in electronics, solar cells, and batteries.

SourceGoethe University Frankfurt·JournalJournal of the American Chemical Society·TypeExperimental study·DateSep 8, 2021

Bringing order to chaotic bubbles can make mining more sustainable

Researchers at Columbia University School of Engineering and Applied Science have developed a new technique to structure chaotic bubbles, enabling more efficient separation of useful metals from useless particles. This method uses vibrations to control the motion of bubbles, leading to reduced energy and water usage in mining.

SourceColumbia University School of Engineering and Applied Science·JournalProceedings of the National Academy of Sciences·DateAug 23, 2021

‘Core@Shell’ catalyst that controls chemical reactions with light

Researchers at POSTECH developed a 'core@shell' nanocrystal technology that harnesses interfacial synergy for efficient catalysis. The innovative approach produces high-energy conversion rates and enables remote operation of catalysts, opening doors to various applications in sustainable energy and biotechnology.

SourcePohang University of Science & Technology (POSTECH)·JournalJournal of the American Chemical Society·DateAug 19, 2021

Plastics aren’t what we think. New study finds they’re a tad rubbery, paving the way for better products

Researchers at the University of South Florida discovered that glassy polymers, or plastics, have a soft, rubbery layer on their surface that can be controlled. This breakthrough could lead to improved properties such as adhesion and scratch resistance in materials like automobile paint and cellphone screens.

SourceUniversity of South Florida·JournalNature·TypeExperimental study·DateAug 18, 2021