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Reseachers construct microporous structure making active site more accessible in single-atom catalysts

Scientists develop macroporous structure to increase accessibility of active sites in single-atom catalysts, achieving high activity in oxidative esterification of furfural. The composite catalyst shows high stability and potential for industrial application in biomass valorization and pharmaceutical manufacturing.

SourceInstitute of Process Engineering, Chinese Academy of Sciences·JournalIndustrial Chemistry and Materials·TypeExperimental study·DateJan 10, 2023

Chemical researchers discover catalyst to make renewable paints, coatings, and diapers

University of Minnesota researchers develop groundbreaking new catalyst technology to convert renewable materials like trees and corn into acrylic acid and acrylates used in paints, coatings, and superabsorbent polymers. The new catalyst substantially reduces costs and increases yield, paving the way for lower-cost renewable chemicals.

SourceUniversity of Minnesota·JournalJACS Au·TypeExperimental study·DateJan 9, 2023

CityU scientists discover a novel photophysical mechanism that has achieved record-breaking efficiency for organic photovoltaics

Researchers from City University of Hong Kong developed a novel device-engineering strategy to suppress energy conversion loss in organic photovoltaics, achieving PCE over 19%. The discovery enables OPVs to maximize photocurrent and overcome the limit of maximum achievable efficiency.

SourceCity University of Hong Kong·JournalNature Energy·TypeExperimental study·DateDec 21, 2022

Water cleanup method developed by University of California, Riverside, scientists destroys pervasive, cancer-causing “forever chemicals” or PFAS

Researchers at the University of California, Riverside, have created a novel method to break down per- and polyfluoroalkyl substances (PFAS), also known as 'forever chemicals', in contaminated water. The hydrogen-infusion and UV light-based process achieves high molecular destruction rates without generating unwanted byproducts.

SourceUniversity of California - Riverside·JournalJournal of Hazardous Materials Letters·TypeExperimental study·DateDec 13, 2022

Nanodiamonds can be activated as photocatalysts with sunlight

Researchers have discovered that nanodiamonds can emit solvated electrons in water when exposed to visible light, a crucial step towards using them as photocatalysts. This discovery could lead to the development of inexpensive and metal-free processes for converting CO2 into valuable hydrocarbons or converting N2 into ammonia.

SourceHelmholtz-Zentrum Berlin für Materialien und Energie·JournalNanoscale·TypeExperimental study·DateNov 30, 2022

Drugs from plastic waste

Researchers have developed a chemical-biological method to upcycle polyethylene waste into valuable and complex compounds of pharmacological interest. Genetically engineered fungi convert carboxylic diacids derived from PE waste into natural products, including asperbenzaldehyde, citreoviridin, and mutilin.

SourceWiley·JournalAngewandte Chemie International Edition·TypeExperimental study·DateNov 28, 2022

Bringing the Kelvin problem solutions to life with the first-ever polymeric Weaire-Phelan structures

A Japanese research team successfully constructed the first polymeric Weaire-Phelan structure, a previously theoretical form predicted to be the most efficient solution for a century-old tessellation problem. The structure was achieved through a novel polymerization-induced phase separation method.

SourceShibaura Institute of Technology·JournalScientific Reports·TypeExperimental study·DateNov 28, 2022

Charged porphyrins: The key to investigating the properties of stacked ion pairs

Charged porphyrins enable researchers to study π-electronic ion pairs and their interactions, leading to the creation of electronic materials with unique properties. The study reveals fascinating new properties of stacked ion pairs and their potential applications in fields like nanomagnetism and ferroelectrics.

SourceRitsumeikan University·JournalJournal of the American Chemical Society·TypeExperimental study·DateNov 21, 2022

How fine bubbles lead to more efficient catalysts

The formation of fine bubbles in catalyst pores enhances gas generation reactions from liquid phase systems. This leads to a significant increase in the release of hydrogen per unit time, making the technology more compact and powerful. The discovery provides new insights into performance-limiting factors in heterogeneous catalysis.

SourceForschungszentrum Juelich·JournalScience Advances·TypeExperimental study·DateNov 17, 2022

Hydrogen bonding promotes photocatalytic alcohol coupling

Researchers found that adding water increases selectivity of 2,3-butanediol generation by 57%. Hydrogen bonding stabilizes radical intermediates, avoiding oxidation and promoting selective coupling. The study reveals non-chemical bonding interactions can steer reaction paths for selective photocatalysis.

SourceDalian Institute of Chemical Physics, Chinese Academy Sciences·JournalJournal of the American Chemical Society·DateNov 16, 2022

Catalyzing clean energy

Researchers at Lehigh University have secured $13.2 million in funding to improve hydrogen generation and carbon capture/sequestration technologies through a partnership with Georgia Tech's UNCAGE-ME Center. The goal is to develop catalysts that can mitigate the degradation of these technologies in real-world conditions.

Photocatalysis: Processes in charge separation recorded experimentally

Scientists have recorded photocatalysis charge separation processes experimentally on Cu2O particles, revealing rapid electron transfer and slower hole trapping, enabling better understanding of photocatalytic water splitting limitations. The technique allows for spatiotemporal imaging of charge transfer in photocatalyst particles.

SourceHelmholtz-Zentrum Berlin für Materialien und Energie·JournalNature·TypeExperimental study·DateNov 8, 2022

New potential from ‘one-pot-and-one-step’ polymer synthesis

Researchers at Hokkaido University have developed a one-pot-and-one-step synthesis procedure to create long and geometrically interlinked polymer molecules. This process can produce a wide range of advanced materials with applications in drug delivery, data storage, microelectronics, and nanolithography.

SourceHokkaido University·JournalJournal of the American Chemical Society·TypeExperimental study·DateOct 24, 2022

Rice lab advances water-splitting catalysts

Engineers at Rice University have discovered a method to make oxygen evolution catalysis in acids more economical and practical. They replaced rare and expensive iridium with ruthenium, a far more abundant precious metal, as the positive-electrode catalyst in a reactor that splits water into hydrogen and oxygen.

SourceRice University·JournalNature Materials·TypeExperimental study·DateOct 20, 2022

Durable, inexpensive catalyst reduces carbon footprint of ammonia production

Researchers develop stable catalyst that can produce ammonia at rates similar to conventional metal nitride catalysts, reducing the need for fossil fuels and lowering CO2 emissions. The new catalyst is chemically stable in the presence of moisture, enabling more efficient production under milder conditions.

SourceTokyo Institute of Technology·JournalAngewandte Chemie International Edition·TypeExperimental study·DateOct 19, 2022

A high-performance catalyst that dissolves polyester and realizes chemical recycling

A Japan Science and Technology Agency research group developed high-performance catalysts for efficient synthesis of value-added chemicals from polyester and vegetable oil. These catalysts enable nearly 100% selectivity in converting polyester into raw materials, offering a promising solution to chemical recycling.

SourceJapan Science and Technology Agency·JournalACS Sustainable Chemistry & Engineering·TypeExperimental study·DateOct 3, 2022

Artificial enzyme splits water

Researchers at the University of Würzburg have developed an artificial enzyme that can split water into oxygen and hydrogen with high efficiency. The enzyme-like catalyst was designed to mimic the natural process of photosynthesis, and its development is a significant step towards sustainable hydrogen production.

SourceUniversity of Würzburg·JournalNature Catalysis·TypeExperimental study·DateOct 3, 2022

Algae as microscopic biorefineries

Researchers introduce synthetic catalysts into algae cells, enabling chemical reaction upgrades to produce building blocks for polymers and chemicals. The process reduces reliance on fossil raw materials, using atmospheric carbon dioxide as a carbon source.

SourceUniversity of Konstanz·JournalAngewandte Chemie·DateSep 29, 2022

Carbon-neutralizing propylene production catalyzes change in petrochemical engineering

Researchers at Hokkaido University have developed a new catalyst that uses carbon dioxide to produce propylene more efficiently than existing methods. The catalyst also captures and converts carbon dioxide into useful resources. This breakthrough contributes to the carbon neutralization of the petrochemical industry.

SourceHokkaido University·JournalNature Communications·TypeExperimental study·DateSep 26, 2022

Researchers propose new coupling strategy for organic wastewater treatment

Researchers propose a new coupling strategy combining photocatalytic water oxidation and catalytic wet peroxide oxidation to efficiently remove organic pollutants from wastewater. The proposed strategy achieves higher total organic carbon removal rates compared to traditional methods.

SourceDalian Institute of Chemical Physics, Chinese Academy Sciences·JournalApplied Catalysis B Environment and Energy·TypeCommentary/editorial·DateSep 18, 2022