299 results about "Photo stability" patented technology

The invention discloses a near-infrared dichroic dye, a liquid crystal composition and application of the near-infrared dichroic dye and the liquid crystal composition. The structural general formula of the disclosed dichroic dye is as shown in formula I in the specification. According to the invention, a hydrogenated quinoline ring, a hydrogenated benzopyran ring and a hydrogenated naphthalene ring are introduced into a molecular skeleton, so that the novel near-infrared dichroic dye with high light stability, high solubility, high order parameter and high light modulation capability is obtained. Compared with the near-infrared dichroic dye disclosed in the prior art, the absorption band is further subjected to red shift, and the light modulation capability is remarkably improved; ordering parameters are greatly improved, and the application bottleneck is solved.

The invention discloses the technical field of photocatalysis, and particularly discloses a preparation method of a visible-light response type covalent organic frame-TiO2 composite material, which comprises the following steps: adding TiO2 into a mixed solvent, carrying out ultrasonic dispersion, dropwise adding an H2PtCl6 aqueous solution while stirring, reacting under the irradiation of a mercury lamp, centrifuging, washing and drying to obtain a Pt-TiO2 material; the preparation method comprises the following steps: dispersing a Pt-TiO2 material in an organic solvent, adding 2-hydroxybenzene-1, 3, 5-tricarboxaldehyde and 4, 4 '-(benzo [c] [1, 2, 5] thiadiazole-4, 7-diyl) diphenylamine, carrying out ultrasonic treatment for 3-8 minutes, and then adding acetic acid; after 2-4 times of liquid nitrogen freezing-degassing, sealing, and reacting for 2-5 days at the temperature of 110-130 DEG C; and centrifuging, washing and drying to obtain the covalent organic frame-TiO2 composite material. The novel covalent organic frame-TiO2 composite material prepared by the invention effectively expands the visible light absorption range of TiO2, has strong visible light absorption and strong photocatalytic performance, can efficiently catalyze hydrogen evolution, and has excellent light stability and repeatability in photocatalytic hydrogen evolution reaction.

The invention belongs to the technical field of industrial silane preparation, and provides a natural silane rotor and a preparation method and application thereof.The preparation method comprises the steps that a pyridoxal phosphate solution and a 4-amino ethyl cinnamate solution are mixed and then react to obtain pyridoxal phosphate cinnamyl ester; and mixing the pyridoxal phosphate cinnamyl ester solution and the amino silane solution, and reacting to obtain the natural silane rotor. The silane rotor has a good conjugated structure, is stable in chemical structure, can be stored for a long time, is good in light stability, and is not liable to cause a photobleaching phenomenon. Besides, conjugated single and double bonds capable of freely rotating exist in the molecular structure, a typical flexible intramolecular rotation characteristic is presented, the conjugated structure can freely rotate in a dilute solution, a surface sightseeing signal is weak, the free rotation phenomenon is limited in a thick solution, the surface sightseeing signal is strong, and the surface sightseeing signal is strong. Therefore, the device can be used as a molecular tool for monitoring the change of the thin consistency of the silane, and can provide real-time, lossless and visual detection support for the development of a silane modulation process.

The invention relates to the technical field of immunochromatography, in particular to time-resolved fluorescent microspheres, a preparation method and application of the time-resolved fluorescent microspheres in PSP / CRP / MxA quantitative detection immunochromatography test strip, and the preparation method of the time-resolved fluorescent microspheres comprises the following steps: 1) preparing surface aminated polystyrene microspheres; (2) carrying out glutaraldehyde crosslinking and 1, 10-phenanthroline-5-amino combination; 3) grafting a rare earth fluorescent dye on the surface; and 4) coating a polymer shell layer and modifying carboxyl. According to the invention, through a dual fixation strategy of surface grafting and polymer coating, the time-resolved fluorescent dye is confined to a functional region between the surface of the microsphere and a polymer shell layer, diffusion and leakage of dye molecules to the external environment are blocked, and the problem of dye shedding of traditional fluorescent microspheres is solved; the polymer shell layer can effectively isolate external ultraviolet light, oxygen and other corrosive factors, reduce photooxidative degradation and non-radiative transition loss of fluorescent molecules, and improve the light stability and fluorescent lifetime of the fluorescent molecules.

According to the yellow leuco dye developing ink and the preparation method thereof disclosed by the invention, by optimizing the molecular structure of the yellow leuco dye and the matching relationship between the yellow leuco dye and a color developing agent, the ink can quickly develop under the conditions of low temperature, slight pressure or low-concentration acid / metal salt, the developing effect is distinct, and handwriting or patterns are clear and visible; by selecting a yellow leuco dye with better photostability of a color body after color development and introducing an antioxidant component, the color fading of a color development product under the irradiation of ultraviolet and visible light is effectively delayed, and the storage period of color development images and texts is prolonged; by improving an ink formula and a packaging process, the ink can keep good leuco stability in different environments such as high temperature, high humidity, low temperature and the like, and the phenomena of self color development, non-uniform color development and the like are prevented. The ink is colorless or light in color under normal conditions, can show bright yellow after being stimulated by acid, metal salt or heat, and has the characteristics of high color developing sensitivity, clean background and wide application range, and the comprehensive performance of the ink is remarkably improved.

The invention discloses a photoetching machine multi-light-source cooperative high-precision exposure control system, and relates to the technical field of photoetching machine control. Initial energy parameters of all light sources are obtained, a coupling feature set of energy change and light spot morphology change is constructed, and light intensity errors, phase errors and light spot distortion errors are used as input, so that a multi-light-source cooperative high-precision exposure control system is constructed; respectively generating an inter-light-source time sequence offset matrix and a light source energy compensation matrix, constructing a light source collaborative error model through matrix superposition and eigenvalue decomposition, inputting exposure disturbance obtained by real-time monitoring of a photoetching machine into the error model, and obtaining a primary compensation amount; a final target exposure compensation parameter is obtained by adopting a quadratic optimization algorithm under a constraint condition, and light source energy output, a light path phase and a pulse trigger time sequence are cooperatively adjusted according to the target exposure compensation parameter, so that energy deviation, phase drift and time sequence mismatch can be reduced at the same time, the exposure stability and the pattern forming precision are remarkably improved, and the image forming precision is improved. The method is suitable for high-resolution and multi-light-source photoetching equipment.

The invention discloses a real-time positioning method for a weld track, and belongs to the technical field of laser positioning, and the method comprises the steps: obtaining an environment state coefficient based on the environment light intensity and the temperature of a structured light emitter; a welding state coefficient is obtained based on the welding smoke particle concentration and the arc light intensity; acquiring an environment stability coefficient based on the welding state coefficient and the environment state coefficient under the vibration amplitude of the current structured light emitter; obtaining a structured light stability coefficient based on the laser wavelength, the line width and the power of the structured light emitter; obtaining a distance-reflection matching degree based on the laser working distance and the workpiece surface reflectance under the environment stability coefficient and the structured light stability coefficient; constructing a divergence angle optimization model based on the distance-reflection matching degree and the current laser divergence angle to output a target laser divergence angle; according to the method, high-precision real-time positioning of the welding seam track under the strong interference environment is achieved through multi-model cooperation, and the robustness and adaptability of a welding automation system are remarkably improved.

The utility model relates to a kind of vegetable hydroponic device with LED intelligent lighting system, relate to a kind of indoor planting vegetable hydroponic device, to solve the problem that light source in existing vegetable hydroponic device is difficult to realize dynamic spectrum regulation and poor light supplement stability.The growth box, seedling box and nutrient solution tank of the new type are sequentially arranged from top to bottom;Seedling box is used to cultivate seedling;Growth box is used to hold transplanted seedling;Nutrient solution tank is used to store nutrient solution;Illumination sensor is used to obtain the illumination of seedling, preset illumination threshold in main control unit, illumination sensing signal is compared with illumination threshold, and illumination instruction is generated according to comparison result;The illumination instruction output end of main control unit is connected with the illumination instruction input end of three-dimensional light supplement LED light source;Three-dimensional light supplement LED light source emits light according to illumination instruction, and irradiates growth box.Affirmative effect is to improve the light energy utilization rate when high crown layer vegetable is planted and improve the stability of light supplement.

The invention relates to the technical field of nano materials and biomedical engineering, and discloses a dye-sensitized rare earth up-conversion luminescent nano material as well as a preparation method and application thereof. The dye-sensitized rare earth up-conversion luminescent nano-material comprises a rare earth doped up-conversion nano-particle core, an unsaturated fatty acid salt self-assembled shell layer and a near-infrared dye modified on the surface of the rare earth doped up-conversion nano-particle. The unsaturated fatty acid salt coating layer endows the material with excellent water dispersibility through a hydrophilic group; a hydrophobic chain segment and an unsaturated double bond can effectively block water and oxygen permeation and quench singlet oxygen, so that the photobleaching half-life period of the material is increased by 86.7 times or more compared with that of a conventional coating material, and the light stability is excellent; the material successfully realizes efficient up-conversion luminescence under excitation of a low-power near-infrared light emitting diode (NIR LED, the power density of which can be as low as 100mW / cm < 2 >), and thoroughly gets rid of dependence on a high-cost and high-risk laser.

The application belongs to the field of photoelectric functional materials, and discloses a blue light excitable Cu-based fluorescent material and a preparation method thereof. The material is obtained by room temperature reaction of 4-pytrz and halogenated cuprous CuX (X=Br, I), wherein 4-pytrz is 4-(4H-1,2,4-triazole-4-yl)pyridine. Two highly stable coordination polymers, complex 1 [CuBr(4-pytrz)2] n and complex 2 [Cu2I2(4-pytrz)] n are designed and synthesized, which have good thermal stability, exhibit a wide excitation band covering from deep ultraviolet light to blue light region, and have a quantum efficiency of 19.36% under blue light excitation. The complexes exhibit effective solid-state emission and enhanced light stability, and have wide application prospects.

The present invention relates to the technical field of organic light-emitting materials, and provides a tetradentate cyclometalated platinum (II) complex based on an oxygen atom linkage and containing phenyl acridine and an application thereof. The tetradentate cyclometalated platinum (II) complex has the structure as represented by general formula (I). (I) The cyclometalated platinum (II) complex in the present invention adopts a tetradentate ligand, is high in rigidity, and can improve the light stability of a light-emitting material. At the same time, the complex molecule can strongly emit light, and therefore can be used as a light-emitting material in an OLED device.

The application discloses an aggregation-induced emission microsphere with colorimetric-fluorescent double signals and a preparation method and application thereof. The aggregation-induced emission microsphere comprises carboxyl polystyrene microspheres and aggregation-induced emission dyes embedded in the carboxyl polystyrene microspheres; and the structural formula of the aggregation-induced emission dyes is as follows: The aggregation-induced emission microsphere has colorimetric-fluorescent double signals, is red under natural light, has strong absorption at 600 nm, and shows high light-emitting efficiency at 725 nm, effectively avoids the interference of biological autofluorescence, reduces background interference, has good light stability and light bleaching resistance, and has high molar extinction coefficient, so that the aggregation-induced emission microsphere has colorimetric and fluorescent double signal output capabilities. In addition, the preparation process of the aggregation-induced emission microsphere has high reproducibility, has the potential for large-scale synthesis, and meets the needs of industrial batch production.

The application is a divisional application of Chinese patent application No. 202011250638.2 entitled "Structure of steric hindrance adjustable weak base light stabilizer and preparation method and application thereof". The present application belongs to the field of new compounds and their synthesis methods, and specifically relates to a steric hindrance adjustable weak base light stabilizer and a preparation method and application thereof. The innovative light stabilizer of the present application adjusts the steric hindrance by establishing the size of the substituent group that produces steric hindrance around the nitrogen atom in the general structure. In addition, by adjusting the distance of the polar group, the electronegativity of the nitrogen atom can be affected, thereby adjusting its basicity or nucleophilic property. By adjusting the steric hindrance and nucleophilic property or basicity of the nitrogen atom in the environment, the desired effect is obtained, and the application range of the innovative light stabilizer is widened, so that it is widely applicable to PC, polyester, PU, PVC and other acidic or electrophilic polymer materials as a light stability protection aid.

Provided is a phenolic composition having enhanced biodegradability and / or photostability, said composition containing a phenol and at least one compound containing one or more atoms selected from among nitrogen, sulfur, and phosphorous.

The present application relates to the technical field of cancer detection, in particular to a kind of tumor imaging guided photodynamic therapy reagent.The reagent is named ADS254BE / H2TPP NPs, which is composed of hydrophobic conjugated polymer ADS254BE and tetraphenylporphyrin H2TPP doped polymer microspheres, and the surface of the polymer microspheres also has PSMA modification layer.The reagent is prepared by uniformly mixing ADS254BE, H2TPP and PSMA solution, ultrasonic treatment, room temperature standing, and then evaporating solvent in the solution.The photodynamic diagnosis and treatment reagent provided by the present application shows bright red emission centered at 650nm, relatively large stoke shift, higher singlet oxygen generation rate, and good light stability and biocompatibility.The present application provides a feasible strategy for constructing new optical diagnosis and treatment integrated reagent, and is expected to promote the development of imaging guided photodynamic therapy.

The application discloses a kind of high solubility green phthalocyanine dyes for photoresist and a synthesis method thereof, the synthesis method comprises the following steps: (1) S N Ar reaction: under the action of catalyst, attack aromatic ring using carboxyl compound to carry out S N Ar reaction, and after treatment to obtain intermediate P1;(2) preparation of phthalocyanine dye: using intermediate P1 obtained in step (1), metal salt, high-boiling alcohol as raw material, and under the activation condition of catalyst, reaction, after treatment to obtain phthalocyanine P2. The application provides a new type of high solubility phthalocyanine dye molecule, which can be mixed with other colorants to configure green photoresist color paste, which has phthalocyanine as parent structure, improves dye solubility by introducing halogen atom, alkoxycarbonyl, etc., and has excellent thermal stability and light stability;At the same time, the synthesis method provided by the application is simple, easy to mass production, and can be used to improve the quality of LCD display.

The invention discloses a fluorescent pigment compound as well as a preparation method and application thereof. The chemical structural formula of the fluorescent pigment compound is shown in the specification. Wherein n is an integer from 2 to 6, and R1 and R2 are respectively and independently selected from C1-C3 alkyl groups. By introducing 4-tert-butylphenyl and tert-butylsilane ether chains, the compound has excellent solubility, film-forming property, high fluorescence quantum yield (gt, 95%) and light stability (retention rate gt, 90% after ultraviolet irradiation for 500 hours). The preparation method is simple, is suitable for a solution processing technology, and can be widely applied to the fields of OLEDs, light conversion adhesive films, fluorescence sensing, biological imaging and the like.

The application discloses a kind of near-infrared benzothiadiazole dye sensitized rare earth upconversion luminescence nano-probes and preparation method thereof;Probe is composed of near-infrared benzothiadiazole dye and upconversion nanoparticle, benzothiadiazole dye is compounded with ligand-free lanthanide ion doped upconversion nanoparticle, and upconversion luminescence is enhanced.This application preparation method is simple, and it does not involve complex core-shell structure and energy migration process, benzothiadiazole dye is directly compounded with ligand-free rare earth nanoparticle, and upconversion luminescence nano-probe is formed, under the irradiation of 808nm laser, the emission spectrum of benzothiadiazole dye and the absorption spectrum of sensitizer ion in upconversion nanoparticle overlap, which can effectively enhance the upconversion luminescence intensity of nano-probe, and keep good light stability, keep more than 90% of initial luminescence intensity under the irradiation of 120 minutes excitation light.

The application provides a g-C3N4 modified PC and a preparation method and application thereof, the modified PC comprises the following components in mass fraction: base PC resin 96-98%, flame retardant 0.05-0.2%, toughening agent 0.1-1.5%, antioxidant 0.05-0.15%, lubricant 0.1-0.5%, maleic anhydride grafted g-C3N4 nano material 0.01-1%, and toner 0.5-1%. The modified PC has excellent antibacterial and antifouling capacity, can effectively solve the appearance problems of existing PC materials, such as easy fouling, poor wear resistance and the like in electronic and electrical products and daily packaging material products, the toughness and strength of the material are improved, and in addition, the modified PC material has certain light stability.

This invention relates to a lysosome-targeting fluorescent dye based on the BODIPY structure and its synthesis method, belonging to the field of organic fluorescent dyes. The invention designs and synthesizes the lysosome-targeting fluorescent dye BDP. The dye molecule uses BODIPY as the parent structure, and a novel lysosome-targeting fluorescent dye molecule is synthesized by introducing diphenylphosphine salt and tert-butyloxycarbonyl groups. The synthetic route of this dye is simple, it possesses excellent photostability, and exhibits good resistance to interference from ions, amino acids, and viscosity. Furthermore, this dye demonstrates superior fluorescence performance in a variety of common solvents, with fluorescence quantum yields exceeding 0.70. Experimental results show that this fluorescent dye can precisely target lysosomes in living cells, demonstrating promising applications in the field of bioimaging.

The invention discloses a screening method for transparent bottled health-care wine containers, and aims to solve the problem that active ingredients of transparent bottled health-care wine are degraded due to illumination. According to the method, 200-700nm is taken as a research range, and the 200-700nm is divided into a plurality of equal-width sub-wavebands; detecting the absorbance sum Ak of the health-care wine in each sub-wave band and the average light transmittance Tk of the container in the corresponding sub-wave band; the equivalent light transmittance Te is calculated through a formula, the lower the Te value is, the better the protection effect of the containers on the light stability of the wine body is, and the containers with Te smaller than or equal to a preset threshold value are screened. According to the method, the light transmission characteristic of the container and the light sensitivity characteristic of the wine body are coupled, the evaluation accuracy is superior to the traditional single wavelength / average light transmittance index, the stability of active ingredients of the health wine in storage and display can be ensured, and the container practicability and the product quality are both considered.

The present invention relates to a composition comprising: (1) at least one thiopyridinone compound; and (2) caffeine. The present invention can provide a composition including (1) thiopyridinone compound(s) with increased photostabilization of the (1) thiopyridinone compound(s).

The invention discloses a fluorescent probe based on an ESIPT principle and application of the fluorescent probe in detection of total iron, ferrous iron and ferric iron. The probe OHNH contains a phenolic hydroxyl group, generates strong fluorescence through ESIPT, and has the advantages of good light stability, high fluorescence quantum yield, good water solubility, difficult hydrolysis, simple synthesis and the like. Fe and OHNH can generate specific complexation, the ESIPT process is influenced, and fluorescence quenching is caused. Fe is easily oxidized into Fe under the heating condition of a drying oven, and then fluorescence quenching is also triggered. Based on the principle, high-selectivity and high-sensitivity detection of total iron, ferrous iron and ferric iron can be realized. The method is low in cost, easy and convenient to operate, high in specificity and high in accuracy, and visual detection can be achieved. Furthermore, the method can be used for valence state distinguishing and content determination of iron in complex matrixes such as medicines, foods and water bodies, and has important practical application value.

The application provides a water-soluble single benzene ring fluorescent dye and a preparation method and application thereof. The single benzene ring fluorescent dye has a structure shown in formula I, and the preparation method comprises the following steps: adding tetrafluoro-p-xylylene cyanide into an organic solvent, stirring and dissolving, adding an alkali, and performing reaction to obtain the water-soluble single benzene ring fluorescent dye. The organic small molecule fluorescent dye has excellent water solubility, and fluorescence quenching does not occur in water. The fluorescent dye has a rigid conjugated structure, the fluorescent dye 1 has a quantum yield of 0.83 in an aqueous solution, and the fluorescent dye 2 can reach a quantum yield of 0.97 in an aqueous solution. In addition, the fluorescent dye has excellent thermal stability and light stability, provides a possibility for further detection, and has a wide application prospect.

This invention discloses a dimerized triarylmethane compound for blue photoresist color paste and its synthesis method. The compound is a dimerized blue triarylmethane compound A, which is prepared by the following steps: (1) reacting reactant B with diacid chloride as an acylation reagent to obtain intermediate C; (2) removing the Boc group from intermediate C to obtain intermediate D; (3) cyclizing intermediate D with potassium thiocyanate and acyl chloride reagent to obtain intermediate E; (4) reacting intermediate E with 4,4-bis(diethylamino)benzophenone to obtain F; (5) salting intermediate F to obtain the target dimerized triarylmethane compound A. The dimerized triarylmethane compound of this invention has excellent color performance and is suitable for blue photoresist color paste. It can significantly improve the brightness, transparency, contrast and dispersibility of the color paste, while also possessing high hiding power, strong tinting strength and good thermal and light stability.

The application discloses a photolithography machine multi-light-source cooperative high-precision exposure control system and relates to the technical field of photolithography machine control. The initial energy parameters of each light source are acquired, a coupling characteristic set of energy variation and light spot appearance variation is constructed, light intensity error, phase error and light spot distortion error are taken as inputs, a time sequence offset matrix between the light sources and a light source energy compensation matrix are respectively generated, a light source cooperative error model is constructed through matrix superposition and eigenvalue decomposition, exposure disturbance obtained by real-time monitoring of the photolithography machine is input into the error model, the final target exposure compensation parameters are obtained by using a quadratic optimization algorithm under a constraint condition after the preliminary compensation amount is obtained, the light source energy output, the light path phase and the pulse trigger time sequence are cooperatively adjusted according to the target exposure compensation parameters, the energy deviation, the phase drift and the time sequence mismatch can be simultaneously reduced, the exposure stability and the pattern shaping precision are significantly improved, and the application is suitable for high-resolution and multi-light-source photolithography equipment.

The application discloses a tetrahydroindazole biphenyl type fluorescent probe for detecting hydrazine and a preparation method and application thereof. The fluorescent probe is (3-(4-((2,5,8,11-tetraoxatridecan-13-yloxy)-4'- (6,6-dimethyl-2-(4-nitrophenyl)-4,5,6,7-tetrahydro-2H-5,7-methanobenzimidazole-3-yl)-1,1'-biphenyl-3-yl)-2-(pyridin-4-yl)acrylonitrile (TOPIB-PAN for short). The application uses 4-((2,5,8,11-tetraoxatridecan-13-yloxy)-4'- (6,6-dimethyl-2-(4-nitrophenyl)-4,5,6,7-tetrahydro-2H-5,7-methanobenzimidazole-3-yl)-1,1'-biphenyl-3-formaldehyde (TOPIB-CA for short) as a raw material, and performs an aldol condensation reaction with 4-pyridine acetonitrile to obtain the compound TOPIB-PAN. The compound TOPIB-PAN can specifically react with hydrazine. Under the irradiation of ultraviolet light with a wavelength of 365nm, the solution containing the compound emits green fluorescence. After hydrazine is added into the solution, the fluorescence color of the solution changes from green to colorless. Therefore, the compound can be used as a fluorescent probe for detecting hydrazine, has many advantages such as a low detection limit (7.9*10 ‑ 8 mol / L), a wide pH use range (3-11) and high light stability (>1800min), and has a good application prospect.

The invention discloses a high-entropy blue-light perovskite light-emitting layer and a preparation method and application thereof, a quaternary ammonium salt compound is introduced to construct an organic high-entropy layer, the dynamic evolution behavior of the perovskite light-emitting layer can be effectively regulated and controlled, the phase purity and the structural stability of the perovskite light-emitting layer are remarkably optimized, and meanwhile, the carrier transport matching performance is improved; and finally, cooperative improvement of the luminous efficiency and the service life of the blue-light PeLED is realized. According to the method for preparing the high-entropy blue-light perovskite light-emitting diode, a mixed process of solution spin coating and thermal evaporation is adopted, complex equipment is not needed, precursor materials are commercially available, cost is low, repeatability is good, the high-entropy blue-light perovskite light-emitting layer can be directly integrated into a preparation process of an existing light-emitting device, process parameters do not need to be greatly adjusted, and the method is suitable for large-scale production. And finally, the stability, the efficiency and the cost of the blue-light PeLED are optimized comprehensively, and the blue-light PeLED has a wide application prospect.

The invention discloses a chlorinated liquid crystal compound, a liquid crystal composition and application thereof. The structural general formula of the disclosed liquid crystal compound is as shown in formula (I), wherein R represents one of alkyl and alkoxy with the carbon atom number of 1-9, or alkenyl and alkenyloxy with the carbon atom number of 2-9; x1-X4 are independently hydrogen or chlorine, and at least one of X1-X4 is chlorine; n = 0 or 1, m = 0 or 1, and n + m > = 1. The liquid crystal composition comprises a liquid crystal compound with a structure shown in a general formula I. The liquid crystal compound disclosed by the invention has the advantages of high birefringence, low loss and good low-temperature intermiscibility. The composition based on the liquid crystal compound provided by the invention has the advantages of low loss, high birefringence, good light stability, wide working temperature range and the like under mid-infrared and high-frequency conditions. The liquid crystal composition is suitable for manufacturing liquid crystal infrared optical elements and high-frequency assemblies. (I)

The application discloses an oxygen-sensitive film and a preparation method and application thereof, and comprises the following steps: S1: fluorine-containing silane is dissolved in an organic solvent, hydrochloric acid and water are added to completely hydrolyze the fluorine-containing silane, the solution is placed at 50-80 DEG C for 1-5h, a capping agent is added, and the mixture is uniformly stirred and baked at high temperature to obtain material I; S2: a fluorescent indicator is dissolved in an organic solvent, and nano inorganic oxide is added to the solution, stirred, and layered after standing; centrifugation, drying and grinding are carried out to obtain material II; the fluorescent indicator is a fullerene material; S3: material I and material II are added to an organic solvent in a mass ratio of 50:1-100:1, and the mixture is uniformly stirred; and S4: the uniformly stirred solution in S3 is dropped on a substrate, dried after spin coating to obtain an oxygen-sensitive film. The oxygen-sensitive film has high sensitivity, good light stability and high-temperature stability, can be used for preparing an oxygen sensor, and has a wide application range.