Organic dyes with persistent delayed fluorescence and ultralong phosphorescence
A team of researchers from Lithuania has developed organic dyes showing a particularly long afterglow after being excited by light.
A team of researchers from Lithuania has developed organic dyes showing a particularly long afterglow after being excited by light.
Polymers
Dec 16, 2022
0
132
Phthalocyanines are used in renewable energy production, sensing, nanomedicine and more. Researchers at Aalto University have demonstrated how the dye can be produced in a greener way that minimizes high-boiling organic solvents, ...
Materials Science
Aug 19, 2022
0
34
Efficient adsorbents for industrial wastewater treatment are important to minimize potential environmental damage. In particular, organic dyes, as a significant group of industrial pollutants, are usually highly water soluble, ...
Nanomaterials
Aug 3, 2022
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47
Lanthanide (Ln3+)-doped upconversion (UC) nanocrystals (NCs) have attracted considerable interest due to their superior optical features. Unfortunately, the relatively low luminescence intensity is a major drawback that seriously ...
Materials Science
Jan 11, 2022
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59
In photosynthesis and organic photovoltaics, pigment molecules convert light into electrical charge. A team of chemists have now produced an unusual organic pigment, which is "switched on" by an electrical charge to become ...
Materials Science
Aug 9, 2021
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380
Synthetic dyes are common ingredients in the textile industry, but because of their general use, they often find their way into waterbodies from industrial wastewater, where they pollute the water and threaten water security.
Analytical Chemistry
May 5, 2021
0
81
Organic molecules that capture photons and convert these into electricity have important applications for producing green energy. Light-harvesting complexes need two semiconductors, an electron donor and an acceptor. How ...
Bio & Medicine
Feb 24, 2021
1
488
A precise and non-toxic treatment that targets lung cancer cells at the nanoscale is able to effectively kill the cells even at a low dose.
Bio & Medicine
Oct 22, 2019
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358
Movies featuring heroes with superpowers, such as flight, X-ray vision or extraordinary strength, are all the rage. But while these popular characters are mere flights of fancy, scientists have used nanoparticles to confer ...
Nanomaterials
Aug 27, 2019
3
460
Organic solar cells are made of cheap and abundant materials, but their efficiency and stability still lag behind those of silicon-based solar cells. A Chinese-German team of scientists has found a way to enhance the electric ...
Materials Science
Aug 16, 2019
0
400