Photocoupled electroreduction of CO2 over photosensitizer decorated covalent organic frameworks
Electrocatalytic CO2 reduction reaction (CO2RR) is thought to be an ecologically favorable technique for using CO2 as a cheap and abundant C1 feedstock for the production of value-added chemicals such as CO. However, the thermodynamically stable natu.....»»
Photosynthesis powers our world, but what fuels this fundamental process?
It's hard to overstate the importance of photosynthesis, the biochemical pathway by which plants, algae, and certain bacteria convert the sun's energy into the organic material that feeds the entire living biosphere. But there are still aspects of th.....»»
Scientists develop efficient and stable hybrid perovskite-organic LEDs with external quantum efficiency exceeding 40%
Tandem LEDs offer an effective way to integrate different light-emitting technologies for better display that meets Rec. 2020 color gamut standard. Now, scientists in China have developed a stable, efficient and high-color purity green LED with a tan.....»»
Promising interlayer sensitization strategy for the construction of high-performance blue hyperfluorescence OLEDs
Multi-resonance thermally activated delayed fluorescence (MR-TADF) materials are promising candidates for organic light-emitting diodes (OLEDs) with narrow electroluminescence (EL) spectra. Scientists in China propose an interlayer sensitization stra.....»»
New probe reveals water-ice microstructures
Ice is believed to have played a crucial role in the emergence of life. One reason is that organic molecules can be excluded into the gaps between the crystal lattice by orderly arranged water molecules, leading to the concentration of organic compou.....»»
New organic molecule shatters phosphorescence efficiency records and paves way for rare metal-free applications
A research team led by Osaka University discovered that the new organic molecule thienyl diketone shows high-efficiency phosphorescence. It achieved phosphorescence that is more than ten times faster than traditional materials, allowing the team to e.....»»
3D covalent organic frameworks with zyg topology for photocatalytic synthesis of hydrogen peroxide
A research team proposed a new synthetic strategy of COFs based on a new topology that remotely separates donor (D) and acceptor (A) units in 3D lattice to produce the expected metastable photo-induced charge-separated states......»»
Unleashing the potential of high-spin polymers for next-gen optoelectronics and spintronics
The study of open-shell molecules, particularly those with high-spin ground states, has unveiled significant potential in organic electronics and magnetism. These molecules, characterized by unpaired electrons, exhibit unique properties such as long.....»»
Mussels downstream of wastewater treatment plant contain radium, study reports
Burrowed into streambeds and rarely moving for their decades-long lifespans, freshwater mussels are biomonitors, meaning they indicate how clean their environment is, according to Penn State researchers. As the bivalves feed on organic matter and fil.....»»
Study suggests faster decomposition rates in waterways could exacerbate greenhouse gas emissions, threaten biodiversity
Humans may be accelerating the rate at which organic matter decomposes in rivers and streams on a global scale, according to a new study from the University of Georgia, Oakland University and Kent State University......»»
Fully automated detection robot promotes efficient soil testing
A research team developed new equipment that achieved fully automatic and unmanned detection of soil nutrients (such as organic matter, available potassium, available phosphorus) and heavy metals (including Pb, Cd, Hg, As, Cr). They named it High Thr.....»»
Researchers develop high-performance blue organic LEDs based on thermally activated delayed fluorescence material
Organic light-emitting diodes (OLEDs) have become a leading display technology. The luminescent material is a core component of OLEDs. Thermally activated delayed fluorescence (TADF) materials have emerged as promising emitters for achieving high-eff.....»»
Researchers develop organic photoredox catalysts with enhanced stability and recyclability
In recent years, global environmental concerns have prompted a shift toward eco-friendly manufacturing in the field of organic synthetic chemistry. In this regard, research into photoredox catalytic reactions, which use light to initiate redox or red.....»»
Deciphering how crystals form in non-classical ways
Soft and organic crystals are a diverse group of materials with connections to biological, environmental, and industrial processes with a wide range of applications, from pharmaceuticals to flexible electronics. Understanding the details of their cry.....»»
Effective GRC programs rely on team collaboration
One in three organizations are not currently able to proactively identify, assess, and mitigate risk with their GRC program, nor are they able to ensure compliance with regulations and frameworks – both key aspects of a mature, holistic GRC pro.....»»
Unlocking complex sulfur molecules: A novel approach for synthesis of functionalized benzenethiol equivalents
Organosulfur compounds, organic compounds containing sulfur, are vital in biological processes and research fields like pharmaceuticals, biomedical imaging, agriculture, and electronics. Compounds like phenothiazine, thianthrene and thienothiophene,.....»»
Shedding light on the chemical enigma of sulfur trioxide in the atmosphere
Researchers at Tampere University have discovered that sulfur trioxide can form products other than sulfuric acid in the atmosphere by interacting with organic and inorganic acids......»»
New insights into the degradation dynamics of organic material in the seafloor
The long-term deposition of organic material in sediments on the ocean floor is a key process in the global carbon cycle. The question of whether, from a chemical perspective, the deposited material is more similar to marine algae or the microorganis.....»»
New metal-free porous framework materials may have potential for hydrogen storage
Researchers at the University of Liverpool and the University of Southampton have used computational design methods to develop non-metal organic porous framework materials, with potential applications in areas such as catalysis, water capture or hydr.....»»
A metal-free organic framework for electrocatalytic production of ethylene from carbon dioxide
Use of the greenhouse gas CO2 as a chemical raw material would not only reduce emissions, but also the consumption of fossil feedstocks. A novel metal-free organic framework could make it possible to electrocatalytically produce ethylene, a primary c.....»»
Researchers report structure for developing high-efficiency crystalline white organic light-emitting diodes
Organic light-emitting diodes (OLED) have emerged as a new generation of display technology. Organic crystalline materials possess superior thermal stability, chemical stability, and high carrier mobility, making them an ideal choice for developing l.....»»