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There is a light source with high yield and fast response speed

A response speed, high quantum technology, applied in the field of light source, to achieve the effect of increasing luminous rate and high quantum yield

Active Publication Date: 2021-09-03
WUHAN UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

At present, the luminous quantum yield of electrically driven nanoantennas has been greatly improved in the world, reaching 10 -4 -10 -5 order of magnitude, but still far from practical application

Method used

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  • There is a light source with high yield and fast response speed
  • There is a light source with high yield and fast response speed

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Embodiment Construction

[0023] The technical solution of the present invention will be clearly and completely described below in conjunction with the accompanying drawings and specific embodiments. Apparently, the described embodiments are only some of the embodiments of the present invention, but not all of them. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0024] The nano light source with fast response speed and high quantum yield as shown in the figure. Both electrodes (the first electrode and the second electrode) are on the surface of the substrate 1, and the two electrodes are connected to the high voltage end and the low voltage end of the external circuit. The insulating layer is located on one of the first electrodes, a part of the two-dimensional material is located in the overlapping area of ​​the insulating layer and the ...

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Abstract

The invention discloses a light source with high quantum yield and fast response speed, which is connected to an external connection circuit, and includes: a substrate, an ultra-smooth electrode, an insulating layer, a two-dimensional luminescent material and nanoparticles; the ultra-smooth electrode is arranged on the substrate surface, the two electrodes are respectively connected to the high-voltage end and low-voltage end of the external circuit; the insulating layer is on the surface of one of the ultra-smooth electrodes; one end of the two-dimensional luminescent material is in the overlapping area between the ultra-smooth electrode and the insulating layer, and the other end is The second electrode is connected; the nano particles are in the overlapping area of ​​the ultra-smooth electrode, the insulating layer and the two-dimensional luminescent material. The invention has the advantages of fast response speed and high quantum yield, and can be planarly patterned.

Description

technical field [0001] The invention relates to the field of light sources, in particular to a light source with high quantum yield and fast response speed. Background technique [0002] Since the 1990s, people have been looking for high-speed, high-brightness all-solid-state light sources that can be integrated. The luminescence with high quantum yield is the most common luminescence mechanism by utilizing the recombination radiation of carriers. This type of light source is mainly prepared by methods such as doping, II-VI or III-V semiconductor growth and other methods, such as LEDs, laser diodes and other light sources. The light source based on the recombination of carriers has extremely high brightness, and is the main method used in industrialization at present. Another luminescent mechanism is to use an inelastic tunneling mechanism to prepare a high-speed light source. Its core structure is a metal-insulator-metal (MIM) tunneling junction, and the energy lost by e...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H01L33/00H01L33/26H01L33/36
CPCH01L33/0004H01L33/36H01L33/26
Inventor 张顺平徐红星吴宇
Owner WUHAN UNIV
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