A method is presented for producing light using a liquid media. The method includes: hosting nanoparticles in a liquid media; disposing a pair of electrodes in direct contact with the liquid media; and generating an excitation signal between the electrodes in the pair of electrodes, thereby illuminating a portion of the nanoparticles.

A light-emitting device is provided. The light emitting device includes a first electrode, second electrode facing the first electrode, and an emission layer between the first electrode and the second electrode. The emission layer includes at least one perovskite compound, a first quantum dot, and a second quantum dot. The first quantum dot and the second quantum dot may be different from each other.

A method is presented for producing light using a liquid media. The method includes: hosting nanoparticles in a liquid media; disposing a pair of electrodes in direct contact with the liquid media; and generating an excitation signal between the electrodes in the pair of electrodes, thereby illuminating a portion of the nanoparticles.

The present disclosure describes luminescent solar concentrators that include photoluminescent nanoparticles. The photoluminescent nanoparticles include a semiconductor nanocrystal that sensitizes the luminescence of a defect. The defect can include, for example, an atom, a cluster of atoms, or a lattice vacancy. The defect can be incorporated into the semiconductor nanocrystal, adsorbed onto, or otherwise associated with the surface of the semiconductor nanocrystal.

A light-emitting device is provided. The light emitting device includes a first electrode, second electrode facing the first electrode, and an emission layer between the first electrode and the second electrode. The emission layer includes at least one perovskite compound, a first quantum dot, and a second quantum dot. The first quantum dot and the second quantum dot may be different from each other.

A semiconductor nanocrystal include a first semiconductor material and have a luminescence quantum yield of at least 10%, at least 20%, or at least 30%. The nanocrystal can be substantially free of toxic elements. Populations of the nanocrystals can have an emission FWHM of no greater than 0.35 eV.

To provide Zinc Sulfide activated with Silver (ZnS:Ag) based fluorescent material for detecting particle beams, having lower gamma-ray sensitivity and providing lower afterglow, and being specialized for the purpose of detecting particle beams, and its manufacturing method. Zinc Sulfide activated with Silver (ZnS:Ag) based fluorescent material for detecting particle beams emits fluorescence with wavelengths from 320 nm to 580 nm in response to alpha-ray irradiation, and has a fluorescence spectrum with a peak wavelength from 395 nm to 410 nm.

The present invention relates to a method for producing a marking in a coating on a substrate or on the surface of a molding, where the marking represents a negative marking within a luminescent surrounding field and is generated using a laser beam, to a marking produced with the aid of the method, and to the use thereof, in particular for the labeling of products.

A hybrid nanophosphor includes red silicon nanoparticles in a homogenous mixture blue and green phosphors. A preferred hybrid nanophosphor uses ZnS: Ag, and ZnS: Cu, Au, Al for blue and green conversion, respectively, and mono dispersed 3 nm Si nano particles as a red phosphor. Wide emission profiles are provided by all components, and predetermined color characteristics in terms of CCT and CRI can be achieved simultaneously for excitation. A preferred lighting device includes a nanophosphor thin film of the invention on a UV or near UV-LED.

A canopy for a vehicle, wherein the canopy comprises a body that is structured and operable to protect passengers of the vehicle from rain, water and sunlight, wherein the body comprises a photoluminescent material that is structured and operable to illuminate in the absence of light such that the body is structured and operable to self-illuminate without a connection to an electrical power source.