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
0
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
0
380
Colorful organic materials have fascinated scientists already for more than 200 years. The color of an organic material typically arises from light-matter-interactions that involve electronic transitions such as charge transfer ...
Bio & Medicine
Jun 23, 2021
0
1
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
Multicolor single-mode polarized microlasers containing an output range from visible light to the near-infrared have significant applications in photonic integration and multimodal chemical sensing or imaging applications. ...
Organic solar cells are usually less effective than silicon solar cells. But there is still a market for them—and they're beautiful and exciting.
Materials Science
Jan 28, 2020
0
115
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
0
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
