摘要:
A case including a case main body, a matrix including a semiconductor nanocrystal, the matrix disposed in the case main body, and a sealant disposed on the case main body, wherein the sealant has a gas permeability of about 1 cubic centimeter at standard temperature and pressure per centimeter per meter squared per day per atmosphere or less and a tensile strength of about 5 megaPascals or more, and wherein the semiconductor nanocrystal is a Group II-VI compound, a Group III-V compound, a Group IV-VI compound, a Group IV element, a Group IV element, a Group IV compound, or a combination thereof.
摘要:
A light emitting diode device includes a light emitting diode chip and a nanocrystal-metal oxide monolith having a nanocrystal-metal oxide composite disposed on a light emitting surface of the light emitting diode chip.
摘要:
Disclosed herein is a method for the preparation of metal phosphide nanocrystals using a phosphite compound as a phosphorous precursor. More specifically, disclosed herein is a method for preparing metal phosphide nanocrystals by reacting a metal precursor with a phosphite compound in a solvent. A method is also provided for passivating a metal phosphide layer on the surface of a nanocrystal core by reacting a metal precursor with a phosphite compound in a solvent. The metal phosphide nanocrystals have uniform particle sizes and various shapes.
摘要:
Disclosed herein is a light emitting device with improved life characteristics. The light emitting device comprises a circuit board having a recess, a reflection plane and an excitation source disposed in the recess, an overmolding overlying the reflection plane and the excitation source, a surface-inducing film formed on the overmolding, and a light conversion layer overlying the surface-inducing film. Also disclosed herein is a method for fabricating the light emitting device.
摘要:
Nanocrystal-metal oxide-polymer composites and their methods of preparation are described. The composites comprises a number of nanocrystals within a metal oxide matrix, and an oligomer or polymer covalently bonded to organic reactive groups of the metal oxide matrix. The composites can be applied to a variety of electronic devices. The electronic devices constructed from the composites do not decrease in performance rapidly due to degradation and exhibit improved stability.
摘要:
An organic-inorganic hybrid electroluminescent device having a semiconductor nanocrystal pattern prepared by producing a semiconductor nanocrystal film using semiconductor nanocrystals, where the nanocrystal is surface-coordinated with a compound containing a photosensitive functional group, exposing the film through a mask and developing the exposed film
摘要:
Disclosed herein is a thin film prepared using a mixture of nanocrystal particles and a molecular precursor. The nanocrystal is used in the thin film as a nucleus for crystal growth to minimize grain boundaries of the thin film and the molecular precursor is used to form the same crystal structure as the nanocrystal particles, thereby improving the crystallinity of the thin film. The thin film can be used effectively in a variety of electronic devices, including thin film transistors, electroluminescence devices, memory devices, and solar cells.Further disclosed is a method for preparing the thin film.
摘要:
A method for preparing nanocrystal-metal oxide composites with long-term stability is disclosed herein. The nanocrystals are mixed with a first metal oxide precursor, a solvent and water to form a sol-gel composite. The sol-gel composite is pulverized to form a sol-gel composite powder. The sol-gel composite is then reacted with a second metal oxide precursor. The nanocrystal-metal oxide composites have a high luminescence efficiency and uniform emission wavelengths. The nanocrystal-metal oxide composite is used to manufacture a light-emitting device.
摘要:
An organic-inorganic hybrid electroluminescent device having a semiconductor nanocrystal pattern prepared by producing a semiconductor nanocrystal film using semiconductor nanocrystals, where the nanocrystal is surface-coordinated with a compound containing a photosensitive functional group, exposing the film through a mask and developing the exposed film.
摘要:
Disclosed herein is a multilayer nanocrystal structure comprising a nanocrystal alloy core comprising two or more nanocrystals and including an alloy interlayer formed at an interface between the two or more nanocrystals, and one or more layers of nanocrystal shells formed sequentially on the surface of the nanocrystal alloy core, wherein the nanocrystal shells each have different band gaps. The multilayer nanocrystal structure can be applied to various electronic devices owing to its advantages of high luminescence efficiency, superior optical stability, and superior chemical stability.