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Breakthrough research enhances stability and efficiency of perovskite solar cells

Researchers developed a chemically protective cathode interlayer using amine-functionalized perylene diimide, which stabilizes perovskite solar cells. The novel solution-processed PDINN cathode interlayer achieved impressive performance with over 81% retention and record-high bias-free solar hydrogen production rate.

SourceUlsan National Institute of Science and Technology(UNIST)·JournalAdvanced Energy Materials·DateJan 22, 2024

Core-shell ‘chemical looping’ boosts efficiency of greener approach to ethylene production

Researchers have developed a new catalyst that exceeds 30% yield for the production of ethylene through oxidative coupling of methane, a more sustainable and economically viable method. The core-shell Li2CO3-coated mixed rare earth oxides catalyst enables sequential oxygen switching, replenishing its ability to provide oxygen for the r...

SourceLehigh University·JournalNature Communications·DateJan 12, 2024

Scientists have come up with a technology to recycle used clothes rather than simply burning them

Scientists have developed a technology to recycle used clothes by separating different fibers, which could significantly increase textile recycling rates. The method uses heat and chemicals to break down elastane fibers in mixed fabrics, allowing for the processing of materials that were previously impossible to recycle.

SourceAarhus University·JournalGreen Chemistry·TypeExperimental study·DateJan 11, 2024

Greener and feasible production: Enzymatic methods for mono- and diacylglycerol synthesis in the food industry

The review highlights the advancements in enzymatic production of MAGs and DAGs, emphasizing their role in revolutionizing industry standards. Enzymatic methods are expected to meet global demand, but further research is needed to overcome challenges like reaction efficiency and large-scale application.

SourceHenan University of Technology·JournalGrain & Oil Science and Technology·DateJan 2, 2024

Researchers profile pollutants present in an important river basin in São Paulo state, Brazil

A study by UNICAMP researchers found high concentrations of contaminants in the Piracicaba, Capivari and Jundiaí River Basin, including PFAS compounds, pesticides, and industrial chemicals. The study highlights the severity of pollution in the region, which supplies water for drinking, irrigation, and industry.

Boosting PET recycling with higher standards for laboratory experiments

Researchers establish new standards for laboratory experiments to improve PET recycling efficiency. Four engineered enzymes were tested, with LCC-ICCG outperforming the others in terms of depolymerisation rate and enzyme requirement. The study aims to accelerate the development of industrial-scale solutions for PET waste management.

SourceHelmholtz-Zentrum Berlin für Materialien und Energie·JournalACS Catalysis·TypeExperimental study·DateNov 24, 2023

Syngas photocatalysis made easy

Researchers have developed a novel photocatalyst system that enables the production of syngas from methane steam reforming under atmospheric pressure. The system harnesses sunlight to split methane and water into hydrogen and carbon monoxide, forming syngas.

SourcePNAS Nexus·JournalPNAS Nexus·DateNov 21, 2023

GIST researchers improve water splitting reaction for green hydrogen gas production

Researchers from GIST have developed a new electrode using Schottky junctions to overcome the conductance limit of active catalysts, achieving high-performance water splitting and hydrogen evolution reactions. The electrode demonstrated remarkable current density and durability during continuous operation for 10 days.

SourceGIST (Gwangju Institute of Science and Technology)·JournalApplied Catalysis B Environment and Energy·TypeExperimental study·DateNov 15, 2023

Ammonia fuel offers great benefits but demands careful action

Researchers at Princeton University found that an ammonia economy can help achieve decarbonization goals, but it poses risks if not managed properly. The widespread use of ammonia could lead to significant emissions of nitrous oxide and nitrogen oxides, affecting air quality, water quality, and ecosystems.

SourcePrinceton University, Engineering School·JournalProceedings of the National Academy of Sciences·TypeComputational simulation/modeling·DateNov 13, 2023

Green hydrogen could reach economic viability by co-production of valuable chemicals

Researchers have discovered a way to make solar hydrogen production economically viable by co-producing high-value chemicals like methylsuccinic acid. By coupling the photoelectrochemical (PEC) process with hydrogenation, the cost of hydrogen drops significantly, making it competitive with fossil gas.

SourceHelmholtz-Zentrum Berlin für Materialien und Energie·JournalNature Communications·TypeExperimental study·DateOct 5, 2023

Sustainable lithium for many decades

A recent study by KIT researchers found that geothermal power plants in the Upper Rhine Valley and Northern German Basin could cover between 2 and 12 percent of Germany’s annual lithium demand. The model developed for the study describes lithium extraction in the Upper Rhine Valley, with parameters transferable to other joint systems.

SourceKarlsruher Institut für Technologie (KIT)·JournalEnergies·TypeComputational simulation/modeling·DateSep 12, 2023

Gwangju Institute of Science and Technology researchers reveal the effect of AIN surface pits on GaN remote epitaxy

GIST researchers found that nano-sized pits on AlN surfaces cause graphene degradation at higher temperatures, leading to GaN film exfoliation failure. The study's results demonstrate the importance of substrate chemical and topographic properties for successful remote epitaxy.

SourceGIST (Gwangju Institute of Science and Technology)·JournalACS Nano·TypeExperimental study·DateSep 12, 2023

Atmospheric scientists reveal much of Houston’s ozone exceedance due to air flows from the north

A University of Houston study found that most of Houston's ozone exceedance is due to transported pollutants from the central and northern US, while local photochemistry contributes to elevated ozone production. The research highlights the importance of reducing emissions at the Houston Ship Channel to mitigate future ozone pollution.

SourceUniversity of Houston·JournalScience of The Total Environment·DateSep 11, 2023

New study highlights feasibility and optimization of ammonia-based power generation for carbon neutrality

A recent study evaluates the feasibility of ammonia-based power generation through techno-economic and carbon footprint analyses. The research reveals an impressive energy efficiency rate of 46.7% within the designed power generation process, with costs and greenhouse gas emissions considered.

SourceUlsan National Institute of Science and Technology(UNIST)·JournalChemical Engineering Journal·DateSep 8, 2023

Ben-Gurion University scientists observe driver of chemical reaction in plastics industry for first time

Researchers at Ben-Gurion University have detected the elusive ethyl radical intermediate in the ethane pyrolysis reaction, a key driver of chemical reactions in the plastics and natural gas industries. This discovery could lead to more efficient production of plastics and other chemicals with reduced byproducts and pollution.

SourceBen-Gurion University of the Negev·JournalAngewandte Chemie·TypeExperimental study·DateJul 26, 2023

Meat processing plants: What factors are critical for survival?

A study from the University of Illinois analyzed 7,839 US meat processing plants to identify factors associated with plant survival. Small and medium-sized plants were more likely to fail than large plants, while business diversification played a critical role in small plant survival.

SourceUniversity of Illinois College of Agricultural, Consumer and Environmental Sciences·JournalJournal of the Agricultural and Applied Economics Association·TypeData/statistical analysis·DateJun 13, 2023