Articles tagged with Photoluminescence
Researchers at Kumamoto University developed a technique to assess quantum dot photoluminescence emission mechanisms using polyoxometalates. The study revealed previously unseen peak emissions at 410 nm due to bulk defects in the quantum dots.
Researchers at LMU München precisely tune carbon dot's properties by introducing nitrogen atoms, enabling diverse applications. The study reveals that the physicochemical characteristics can be simply and precisely controlled, opening up new possibilities for energy conversion and bio-imaging.
A team of researchers at KAUST discovered the origin of strong photoluminescence in Cs4PbBr6, a perovskite material. Heating the crystal to 180°C irreversibly destroys its photoluminescence, but creates CsPbBr3 nanocrystals that act as traps for excitons, leading to efficient re-emission of light.
A team of chemists led by Carnegie Mellon University's Rongchao Jin developed a site-specific surgery method to precisely tailor nanoparticles' properties. The technique, published in Science Advances, increases photoluminescence by about 10-fold and enhances catalytic activity.
Researchers at Lomonosov Moscow State University develop nanoparticles that can efficiently penetrate into cancer cells, emitting light to aid in early diagnosis. The particles can also be used as targeted drug delivery systems, offering a promising approach for cancer treatment.
Researchers at NUS have developed a method to enhance the photoluminescence efficiency of tungsten diselenide, a two-dimensional semiconductor material. By incorporating gold plasmonic nanostructures, they achieved a 20,000-fold enhancement, paving the way for novel optoelectronic devices.
Researchers at Penn State have successfully created single layers of the rare mineral tungstenite, forming triangular structures that exhibit photoluminescent properties. These findings hold promise for various optical technologies, including light detection and laser technology.
Researchers at Berkeley Lab have discovered a unique luminescence property in tetrapod nanocrystals that breaks Kasha's rule. The cadmium-selenide/cadmium-sulfide core/shell tetrapods emit light from multiple excited states, showing promising potential for optical sensing and LED applications.
Scientists have developed non-blinking semiconductor nanocrystals, overcoming a long-standing challenge in their applications. The discovery enables the use of nanocrystals in devices like low-threshold lasers and solar cells, as well as biological imaging and tracking.