61results about How to "High luminous intensity" patented technology

The invention provides an NIR-IIb / c rare earth nanoparticle fluorescent probe as well as a preparation method and application thereof. The fluorescent probe sequentially comprises a core, an active shell and an inert shell from inside to outside, wherein the core comprises Tm < 3 + > ions and Er < 3 + > ions, and the active shell comprises Er < 3 + > ions, Yb < 3 + > ions and Ce < 3 + > ions. The fluorescent probe provided by the invention has an efficient energy transfer system, not only has bright luminescence in an NIR-IIb wave band (1500-1700 nm), but also has luminous intensity increased by dozens of times in an NIR-IIc wave band (1700-1900 nm) compared with that of a traditional probe. The hydrophilic modification method of the probe is also improved, and the biocompatibility of the probe is improved by a multi-layer polymer cross coating method, so that the probe still has good luminescence property in an organism, and the penetration depth and resolution of biological tissues during imaging are improved.

The invention provides a europium ion doped titanate compound as well as a preparation method and application thereof, and relates to the technical field of rare earth luminescent materials. The chemical formula of the titanate compound provided by the invention is K2Ti6O13: xEu < 3 + >, the titanate compound is in a monoclinic system. A proper amount of Eu < 3 + > ions are doped in K2Ti6O13, so that the prepared rare earth fluorescent powder has higher color rendering index and quantum yield, and the luminescent property of a white light LED can be greatly improved; as K2Ti6O13 has good electrochemical performance and relatively high conductivity, the rare earth fluorescent powder provided by the invention can also be used in the fields of illumination, display, photocatalysis and energy storage. And on the other hand, the preparation method provided by the invention is simple in process, mild in condition, convenient for large-scale production and wide in development and application space.

The invention belongs to the technical field of perovskite batteries, and particularly relates to a perovskite precursor and a preparation method thereof. According to the invention, the perovskite precursor is prepared into an emulsion form, Ge < 4 + > is adopted to prepare the perovskite precursor, and the silicon dioxide nano oxide, the additive and the stabilizer are introduced into the emulsion precursor, so that the moisture resistance and hydrophobicity of the perovskite thin film are improved, and tiny liquid drops in the emulsion are used as a template for perovskite crystal growth, so that the perovskite thin film is prepared. The size and form of perovskite crystals are controlled, the silicon dioxide nano oxide can passivate defect states on the surface of perovskite and reduce recombination of electron-hole pairs, and a precursor in the emulsion is also beneficial to passivating surface defects in the curing process, reducing defect state density and improving device performance. The device prepared by using the perovskite precursor prepared by the invention has good photoelectric property and stability.

The invention discloses a multi-element rare earth doped vanadate-based luminescent material and a preparation method thereof, and belongs to the field of rare earth luminescent material preparation. A multi-element rare earth doped vanadate-based luminescent material comprises A, B and C, A, B and C are rare earth elements, A, B and C are different, the chemical formula of the luminescent material is (AxB1-x) 1-yVO4: Cy, x is more than or equal to 0.10 and less than or equal to 1.00, and y is more than or equal to 0.01 and less than or equal to 0.10; the invention can overcome the problems of general luminous intensity, poorer stability and shorter service life of the luminescent material.

The invention provides a surface-modified perovskite nanocrystal and a preparation method and application thereof, and the surface-modified perovskite nanocrystal comprises: a perovskite nanocrystal having a chemical composition of ABX3; wherein A is selected from at least one of Cs < + >, CH3NH3 < + > and HC (NH2) 2 < + >; b is selected from at least one of Pb < 2 + >, Sn < 2 + >, Ge < 2 + > and Mn < 2 + >; x is selected from halogen anions; the surface of the perovskite nanocrystal is coated with an organic ligand layer; the organic ligand comprises a halogenated organic ligand. In the surface modified perovskite nanocrystal, the surface of the perovskite nanocrystal is coated with the organic ligand layer, so that surface defects can be effectively passivated at the same time, and the surface integrity and the crystallization quality of the nanocrystal are remarkably improved. And due to the surface consistency, the defect state density is reduced, and the exciton and phonon coupling coefficient is reduced, so that a non-radiative composite channel is remarkably inhibited, and the optical performance of the perovskite nanocrystal is remarkably improved.

The invention provides a sky-green light source LED packaging device, and belongs to the technical field of luminescent materials. The azure light source LED packaging device comprises a light-emitting substrate, wherein the light-emitting substrate comprises fluorescent powder; the fluorescent powder comprises blue-green fluorescent powder and green fluorescent powder; the light-emitting peak wavelength of the blue-green fluorescent powder is 490-500 nm, the molecular formula of the blue-green fluorescent powder is (Ba1-x-ySrxEuy) Si2N2O2, and x is greater than or equal to 0.001 and less than or equal to 0.3; 0.001 < = y < = 0.1; the blue-green fluorescent powder is of an orthogonal structure and is crystallized in a space group Pcca. According to the invention, on the basis of realizing azure luminescence, the luminescence performance of the azure luminescence is improved, especially the luminescence intensity of the azure luminescence is improved, and the anti-aging performance of the azure light source LED packaging device is also improved.

The invention provides an optical fiber image transmission element for ultraviolet detection and a preparation method and application thereof, and the preparation method comprises the steps: carrying out the pickling of the cross section of one end of the optical fiber image transmission element, enabling the cross section to form a microporous structure with the depth of 10-50 [mu] m, and obtaining a pickled optical fiber image transmission element; a fiber core of the optical fiber image transmission element is made of an easily acid-etching material, and a cladding is made of an acid-etching-resistant material; the preparation method comprises the following steps: dissolving CsX and PbX2 in an organic solvent to obtain a precursor solution; wherein X is at least one of Cl, Br and I; the precursor solution is heated, gas is introduced, the gaseous precursor solution is brought to the microporous structure, the precursor solution reacts at the microporous structure in a gaseous form to generate CsPbX3 quantum dots, the microporous structure is filled, and a filled optical fiber image transmitting element is obtained; and the protection window is arranged on the filling surface of the filling optical fiber image transmission element, so that the optical fiber image transmission element for ultraviolet detection is obtained, the optical fiber image transmission element has the advantages of high brightness and high resolution, and the efficiency and the resolution of an ultraviolet detector can be effectively improved.

The invention relates to Eu (III) doped tantalate red fluorescent powder, a preparation method thereof and application of the Eu (III) doped tantalate red fluorescent powder in pixelated LEDs, and belongs to the technical field of inorganic luminescent materials. The invention discloses Eu (III) doped tantalate red fluorescent powder, which is mainly Eu < 3 + > doped tantalate red fluorescent powder (the chemical composition is Sr2Lu1-xTaO6: xEu < 2 + >, and x is greater than or equal to 0.05 and less than or equal to 0.25). According to the Eu (III) doped tantalate red fluorescent powder, the oxide Sr2LuTaO6 is used as a fluorescent powder matrix, Eu < 3 + > is added for doping, so that strong red light emission is achieved, the Eu (III) doped tantalate red fluorescent powder is stable in structure and excellent in thermal stability, the color rendering performance of a white light LED can be remarkably improved, and pixelated LEDs (representing high luminous intensity, high brightness and high brightness) can be achieved. The high-efficiency pixelated white-light LED is expected to be realized when the high-efficiency pixelated white-light fluorescent powder is combined with green-light or yellow-light fluorescent powder in the prior art.

This invention discloses a III-V semiconductor epitaxial structure, its fabrication method, and its applications. The epitaxial structure includes a first buffer layer and a first interconnecting layer stacked together. The first interconnecting layer has a first protrusion structure with intermittent structures between it. It also includes a second buffer layer and a second interconnecting layer within the intermittent structures, the second interconnecting layer being composed of at least multiple independent second protrusion structures. The first and second protrusion structures can serve as the basis for epitaxial growth. The III-V semiconductor light-emitting layer grown based on the III-V semiconductor epitaxial structure provided by this invention forms light-emitting surfaces of various sizes and curvatures, greatly increasing the light-emitting area. It also enables the light-emitting layer to form quantum dot luminescence, and utilizes the quantum dot confinement effect to reduce the quantum Stark effect, improving the incorporation of light-emitting layer components. These combined effects significantly improve radiative recombination efficiency, ultimately enhancing the overall luminous intensity and efficiency of the device.

The invention provides an intelligent mechanical response luminescent heterojunction material and a preparation method and application thereof, the chemical expression is x ZnS-(1-x) CaZnSO: 1% Mn < 2 + >, 0 < = x < = 1; the preparation method of the material comprises the following steps: (1) mixing ZnS, CaCO3 and MnCO3 according to a molar ratio of (1: 0)-(1: 1), and then adding MnCO3 accounting for 1% of the mass of the mixed powder; adding ethanol, grinding, and uniformly mixing to obtain mixed powder; (2) putting the mixed powder into a raw material reaction bottle, then putting the raw material reaction bottle into a reactor, and preparing a heat-insulating brick group to obtain a reaction device equipped with the mixed powder; and (3) preparing a microwave reaction furnace provided with a turntable capable of controlling rotation, placing the reaction device in the microwave reaction furnace for a synthetic reaction, and cooling after the reaction is finished to obtain the intelligent mechanical response luminescent heterojunction material. The material disclosed by the invention is obvious in mechanical luminescence phenomenon and high in luminescence efficiency, can directly generate the mechanical luminescence phenomenon through external force application, and can be applied to preparation of a mechanical force responsive film.

This patent application discloses an indenoquinolinone or chromenequinolinone derivative and its preparation method and application. The indenoquinolinone or chromenequinolinone derivative in this patent application is based on quinoline methyl ketone as an electron-withdrawing group, and with the help of the electron-donating ability of N in the heterocyclic ring, an indenoquinolinone or chromenequinolinone derivative organic luminescent small molecule is prepared. The quinolinone derivative containing aromatic amine groups provided in this patent application has a unique aggregation-induced emission effect, high luminous intensity, good thermal stability and good solubility, and can be used as a new type of solid luminescent molecule with good performance, low cost and highly distorted spatial structure. The quinolinone derivative containing aromatic amine groups has significant economic value in the preparation of luminescent materials, luminescent devices or smart materials, and has good application prospects in the fields of full-color display and solid-state lighting.

The invention belongs to the field of X-ray long-afterglow luminescent materials. The technical problems that traditional Pr < 3 + > doped fluoride is insufficient in afterglow performance, X-ray imaging depends on continuous irradiation, and color scattering noisy points exist are solved. The NaLuF4: Mg / Cs / Pr fluoride material is prepared by adopting a Cs < + >-Mg < 2 + > co-doping regulation strategy, the material is synthesized by an oleic acid-octadecene liquid phase method, and the X-ray excitation afterglow intensity of Pr < 3 + > is improved by about 110 times by utilizing the synergistic effect that Cs < + > enhances X-ray absorption and Mg < 2 + > optimizes a carrier shallow-deep trap level; the material is prepared into the high-light-transmittance rare earth nano flexible scintillation screen with the resolution ratio of 20.01 lp / mm. According to the invention, zero-noisy-point time-delay imaging after low-dose X-ray transient irradiation is realized, continuous irradiation is not needed, the radiation dose is lower, and the method is mainly applied to the field of X-ray time-delay imaging of low-dose medical diagnosis and industrial nondestructive testing. The method does not need continuous X-ray irradiation, and has important application value in the fields of medical diagnosis, industrial nondestructive testing and the like.

The invention discloses a floating interactive intelligent display chip based on dynamic distance sensing and a preparation process, and relates to the field of integrated chip preparation, the floating interactive intelligent display chip comprises a substrate layer, a buffer layer, an intrinsic layer, a multi-quantum well layer, a barrier layer, a source electrode, a grid electrode, a p-GaN layer, an anode and a drain electrode, the buffer layer, the intrinsic layer, the multi-quantum well layer and the barrier layer are sequentially arranged on the substrate layer, and the source electrode, the grid electrode, the p-GaN layer, the anode and the drain electrode are sequentially arranged on the substrate layer. The source electrode is arranged on one side of the upper surface of the barrier layer, the grid electrode is arranged in the middle of the upper surface of the barrier layer, the p-GaN layer is arranged on the other side of the upper surface of the barrier layer, and the anode and the drain electrode are sequentially arranged above the p-GaN layer. An InGaN / GaN multi-quantum well structure is embedded into a p-GaN HEMT epitaxial layer structure to form a light-emitting HEMT structure, and a driving transistor, a light source and a photoelectric detector are subjected to monolithic integration, so that a floating interactive intelligent display chip with an epitaxial integrated structural characteristic is realized.

The utility model discloses a novel fish lure with noctilucent effect, including the fish bait main part, the lateral surface of fish bait main part is equipped with two first recess and second recess, and the first recess and second recess are symmetric distribution, and the both ends of fish bait main part are installed with two connecting rings, the utility model discloses a first recess and second recess etc. are arranged, and the fishing line and the fish hook are installed on the fish bait main part through two connecting rings, when the fishing line is pulled upward when the fish bait main part is thrown in the water and fishes, the fish bait main part will pull the surrounding water, and the position and shape of first recess and second recess determine the flow direction and speed of water, after the water enters first recess and second recess, due to the change of the flow rate of water around because of the water distribution, the air bubble will be produced, these air bubbles rise in the water, form a kind of dynamic bubble flow, and the bubble flow can simulate the air bubble produced when the aquatic insects, small fish and other organisms swim and struggle in the water, attract the predatory fish to come and attack, and then play the effect of fish lure.

The invention discloses a plasmon core-shell quantum dot and a preparation method thereof, and belongs to the technical field of quantum dot luminescent materials.The preparation method comprises the steps that S1, silver nitrate and sodium hydroxide are added into methylthiouracil, then magnetic stirring is conducted at the temperature of 20-35 DEG C, ultrafiltration centrifugation is conducted through an ultrafiltration centrifuge tube, and a plasmon core-shell quantum dot solution is obtained; an inner layer silver core solution of the plasmon core-shell quantum dot is obtained; s2, sodium hydroxide, chloroauric acid and methylthiouracil are added into the inner layer silver core solution of the plasmon core-shell quantum dot, then magnetic stirring is conducted at the temperature of 20-35 DEG C, and the plasmon core-shell quantum dot is obtained. The plasmon core-shell quantum dot disclosed by the invention is high in luminous intensity, high in quantum yield, adjustable in luminous wavelength and adjustable in excitation wavelength, and can be used for preparing a luminous grating and a display device.

The invention discloses a high-load full-color transparent display film as well as a preparation method and application thereof, and belongs to the technical field of display screens. According to the invention, rare earth ions are selectively doped to obtain the green light, red light and blue light emitting nanocrystalline colloid. The structure of the light-emitting film is reasonably designed, and the epoxy resin layer, namely the near ultraviolet light blocking layer, is added between the light-emitting layers on the two sides, so that the light-emitting film of a sandwich structure is formed, and color crosstalk of transfer emission under red light and green light is inhibited. The problem that a down-transfer light-emitting display screen can only emit monochromatic light for a long time is solved, the full-color transparent screen is prepared, the load rate of the light-emitting material is remarkably improved, and the method has important economic value and social benefit.

The application discloses a kind of multispectral nanocluster doped multiple coating light concentrator and its method, including preparation substrate layer, preparation light emitting layer and preparation anti-reflection function layer, multispectral nanocluster doped light emitting layer is coated on substrate layer, anti-reflection function layer is coated on light emitting layer, the multispectral nanocluster is using Eu 3+ 、Tb 3+ 、Ce 3+ Ion or any combination thereof induced nanocluster of agglomerated polymer formation, the light emitting layer is obtained using multispectral nanocluster doped resin, for the absorption of incident short-wave light and conversion into characteristic emission light;The anti-reflection function layer is coupled to the outermost layer of light emitting coating, for limiting the light quantum conduction in coating, using different refractive index coating to limit the light quantum conduction in coating, to lock the fluorescent light quantum escape emitted by inner layer light emitting material, while, also can play the role of reducing interface reflection loss and improving the injection efficiency of incident light to light emitting layer.

The invention relates to the technical field of road traffic, in particular to a traffic facility sign with double functions of light reflection and light storage and a preparation method of the traffic facility sign. A traffic facility sign with double functions of light reflection and light storage sequentially comprises a non-woven fabric layer, an adhesive layer, a noctilucent and light-reflecting layer and a mask layer from bottom to top. The luminous and reflective layer comprises reflective glass beads and light-storing glass beads, and the mass ratio of the reflective glass beads to the light-storing glass beads is 1: (0.5-2.5). According to the traffic facility sign with the dual functions of light reflection and light storage, the traffic facility sign capable of emitting light is improved under the condition that road illumination is not good, a driver can still recognize the traffic sign when a vehicle headlamp cannot irradiate the traffic facility sign, and therefore the warning effect is achieved in advance, and the traffic facility sign is more convenient to use. And the position of the guardrail and the direction of the road are clearly marked, traffic accidents caused by limited sight during night driving are reduced, and the road guardrail has lasting use performance.

The invention relates to rare earth element and titanium element co-doped gallium oxide fluorescent powder as well as a preparation method and application thereof. The chemical formula of the fluorescent powder is Ga2O3: xM / yTi, m is a doped rare earth element and is selected from one of Er and Eu, and x ranges from 0.005 to 0.1; ti is a doped transition metal element, and the value range of y is 0.005-0.1. When the rare earth element is Er, compared with Er element single-doped gallium oxide fluorescent powder, the Er element and Ti element co-doped gallium oxide fluorescent powder provided by the invention has the advantages that the luminous intensity of photoinduced green light and red light is respectively improved by 1900 times and 530 times, and the comprehensive performance of the fluorescent powder is remarkably improved. The preparation method provided by the invention is simple in process, the used raw materials are easy to obtain, low in price and non-toxic, and the preparation method has a relatively great application prospect.

This invention relates to the field of red luminescent materials, specifically disclosing a europium-doped sodium manganese mica red luminescent material, its preparation method, and its applications. The general chemical formula of the europium-doped sodium manganese mica red luminescent material is NaMg. a Mn 3‑a AlSi3O 10 F2:xEu 2+ x = 2 mol%–5 mol%, a = 2.4–2.8. This invention uses sodium manganese mica as the luminescent matrix and Eu... 2+ As a sensitizer, some of the Mg atoms in fluorophlogopite are located in octahedral positions. 2+ Mn 2+ Replaced by Mn 2+ It appears in the matrix as an activator; Eu 2+ Doping into the matrix, in Eu 2+ →Mn 2+ Under the action of energy transfer, Mn 2+ The red light emission is greatly enhanced; through Na + interlayer cations K in manganese mica + By exchanging and regulating the lattice of the mica matrix, europium-doped sodium manganese mica red luminescent material has great application potential in the field of LEDs for plant growth.

In some embodiments, the display device includes an anti-reflective pattern or columnar spacer disposed between the light-emitting diode and the diaphragm layer and comprising a blue colorant. Blue light reflected from the anti-reflective pattern or columnar spacer is almost imperceptible. Image quality can be improved by preventing rainbow spots (or blotches) caused by reflections of external light. Since blue light emitted from the light-emitting diode can pass through the anti-reflective pattern and / or columnar spacer, the light intensity emitted from the light-emitting diode can be increased.

The present invention discloses a highly active and highly thermostable luciferase mutant suitable for a mammalian cell expression system. The present invention transforms the molecular structure of luciferase using a rational design method based on codon-optimized firefly luciferase to obtain a luciferase mutant with improved thermostability and activity, and the amino acid sequence of the mutant is shown in SEQ ID NO.3‑5. The nucleotide sequence encoding its protein is shown in SEQID NO.6‑8. The mutant includes at least one of the double mutation sites T214N T290P, T214N K28R and A532RT214N. Compared with the prior art, the luciferase mutant obtained by the present invention can be efficiently expressed in 293 cells, and the expression product has the characteristics of high activity and high thermostability.

The preparation method comprises the following steps: dissolving a cesium source, a copper source and an optional doping element source in a mixed solvent consisting of a polar aprotic solvent and organic carboxylic acid according to a volume ratio of (95: 5)-(85: 15) to prepare a clear precursor solution; placing the solution in a rotary evaporator, carrying out rotary evaporation for 30-180 min at a water bath temperature of 80-120 DEG C and a rotation speed of 2-10 rpm, and directly crystallizing in a bottle to obtain a solid product; and washing and drying to obtain the copper-based halide scintillator. The method is simple in process, mild in condition, recyclable in solvent and suitable for macro preparation. The crystal structure of the obtained scintillator is A3Cu2X5: M (wherein A is Cs < + >, X is one or more of Cl <->, Br <-> and I <->, and M is a doping element), and the scintillator has good scintillation performance.

The application discloses a kind of transmission type three-layer composite structure fluorescent ceramic for laser illumination and a preparation method thereof, and the fluorescent ceramic is three-layer composite structure from top to bottom in turn (Re 1‑x Ce x )3Al5O 12 Yellow-green fluorescent layer, transparent high-thermal-conductivity heat-dissipation layer, (A 1‑y Ce y )3(Al 1‑z B z )5O 12 Red fluorescent layer. The preparation method comprises the following steps: placing yellow-green fluorescent ceramic obtained by dry pressing into the bottom of a copper mold, pouring magnesium-aluminum spinel molten liquid into the preheated copper mold, placing red fluorescent ceramic above the molten liquid, and placing the composite structure material obtained after cooling in a muffle furnace for crystallization treatment to obtain the composite structure fluorescent ceramic of yellow-green fluorescent layer / transparent high-thermal-conductivity heat-dissipation layer / red fluorescent layer. The method can realize good connection and combination between different ceramic matrices, and has the advantages of simple process and low cost. The obtained transmission type composite structure fluorescent ceramic can maintain higher luminous intensity at high temperature, and excellent color rendering property can be obtained.

The invention discloses a targeted modified fungal luciferase protein and application thereof in enhancing the bioluminescence intensity of fungi or plants. The invention aims to solve the problems of subcellular localization disorder and activity loss caused by deletion of natural membrane localization signals of fungal luciferase in heterologous systems such as plants and the like. The invention creatively provides an innovative positioning reconstruction strategy: removing a natural membrane positioning sequence at the N end of the Luz protein, and then carrying out double modification on the N end and the C end. The method specifically comprises the following steps: fusing endoplasmic reticulum targeting signal peptide at the N end to guide a target protein into an endoplasmic reticulum cavity; meanwhile, endoplasmic reticulum retention signal peptide is fused at the C end of the Luz protein, so that the Luz protein is stably retained in an endoplasmic reticulum, subcellular localization of the Luz protein is accurately reconstructed, Luz is ensured to be localized into cytoplasm, and the Luz protein is prevented from entering a secretion path, so that the expression level and activity of the Luz protein in a fungus or plant system are remarkably improved, and the bioluminescence intensity of fungi or plants is remarkably enhanced.

The invention belongs to the technical field of inorganic synthesis of luminescent materials, and discloses a preparation method of white LED (light-emitting diode) lamp green fluorescent powder for plant supplementary lighting, which comprises the following steps: accurately weighing raw materials MgO, Al2O3 and MnCO3 according to the chemical formula ratio of Mg1-xAl2O4: xMn, adding a fluxing agent H3BO4, putting into an agate mortar, grinding, and uniformly mixing; pouring the mixed powder into a corundum crucible, sintering in microwave heating equipment, naturally cooling to room temperature, and grinding by an agate mortar to finally obtain the Mg1-xAl2O4: xMn green fluorescent powder, the Mg1-xAl2O4: xMn fluorescent powder is synthesized by utilizing a microwave heating technology, and microwave sintering depends on an efficient absorption and conversion mechanism of the dielectric property of the material to microwave energy, so that fossil energy consumption is avoided, the preparation period can be shortened, the development concepts of environmental protection, energy conservation and carbon reduction are met, and the Mg1-xAl2O4: xMn fluorescent powder can be used for a green powder part in a white light LED plant illuminating lamp.

The present invention discloses a fluorescent probe of an AIE molecule modified cationic polymer, and a preparation method and application thereof. The structure of the fluorescent probe consists of a polyamino cationic polymer A, an AIE photosensitizer B, and a hydrophobic component C; A and B, A and C are respectively connected by chemical bonds. The preparation method of the fluorescent probe of the present invention adopts an efficient alkynamine click reaction. The fluorescent probe of the present invention has aggregation-induced luminescence properties, avoids the ACQ effect of traditional fluorescent molecules, realizes the synchronous enhancement of fluorescence and ROS, and can realize rapid staining and identification of all living bacteria, reflecting efficient and sensitive characteristics. The fluorescent probe of the present invention has excellent photodynamic antibacterial effect and can achieve photodynamic killing of a variety of bacteria at low concentrations. The fluorescent probe of the present invention has a low degree of internalization, has a strong anchoring ability for cell membrane structure, and can also be used for long-term imaging of biomass membranes.

The invention discloses a preparation method and application of a high-efficiency optical communication waveband luminescent material, and belongs to the field of luminescent material preparation, the chemical general formula of the luminescent material is as follows: the luminescent material comprises a matrix with a double perovskite structure and ions doped in the matrix; wherein the luminescent material has a characteristic emission peak at the wave band of 1500 to 1600 nm under the excitation of ultraviolet light. The process is simple to operate, good in reproducibility, low in energy consumption and extremely easy for large-scale production.

The invention discloses an organic silicon luminescent elastomer based on perovskite quantum dots as well as a preparation method and application thereof, and belongs to the technical field of preparation of photoluminescent elastomers. The organic silicon luminescent elastomer based on the perovskite quantum dots is prepared from the following components in parts by weight: 100 parts of base glue, 1 to 20 parts of modified ABX3 perovskite quantum dots, 10 to 60 parts of filler, 1 to 15 parts of cross-linking agent and 0.1 to 6 parts of catalyst, in the modified ABX3 perovskite quantum dot, A is Cs < + >, B is Pb < 2 + >, and X is Cl <->, Br <-> or I <->. The organic silicon luminescent elastomer based on the perovskite quantum dots, which has good mechanical properties and fluorescence properties, is obtained by making specific limits on all the components and the proportion of all the components; the modified ABX3 perovskite quantum dots are added, so that the modified ABX3 perovskite quantum dots can participate in a cross-linking system, are effectively anchored in a cross-linking network and have good dispersity and stability, agglomeration and intersystem streaming of the perovskite quantum dots are reduced, and good luminous intensity, luminous uniformity and continuity are achieved.