156 results about "Perylene" patented technology

The invention relates to the field of novel display material quantum dot materials, and discloses a preparation method of a carbon dot-based anti-blue light film. The preparation method comprises the following steps: (1) weighing perylene and PTCDA or perylene and propylene diamine as reaction precursors according to a molar ratio of perylene to PTCDA / propylene diamine of (1-5): 1; (2) adding an ethanol-sulfuric acid solution or DMF (Dimethyl Formamide) into the reaction precursor, and carrying out solvothermal reaction in a hydrothermal reaction kettle; the perylene: ethanol sulfuric acid solution or DMF = 1 mmol: (3-20) mL; (3) after the solvothermal reaction is completed, filtering, centrifuging and dialyzing a reaction solution, and finally drying to obtain the carbon dots; and (4) mixing and dispersing polystyrene and the carbon dots in toluene, and spin-coating to prepare the carbon dot-based anti-blue light film. The prepared carbon dots can be used for preparing an anti-blue-light film at a low doping ratio, CIE coordinates do not shift, and the color is not distorted.

Compounds with redox molecular cores and branched molecular tails comprising ionic functionalities for uses as electrolytes in redox flow batteries are described, as well as methods of synthesis and use thereof. The compounds have redox active perylene diimide or ferrocene molecular core decorated with the branched molecular tails having multiple ionic functionalities to improve water solubility of the molecular core, and, as such, its performance as the electrolyte.

The invention belongs to the field of novel display material quantum dot materials, and discloses a carbon dot with a dark blue light emission characteristic, and a preparation method and application thereof. The preparation method comprises the following steps: (1) weighing perylene and PTCDA or perylene and propylene diamine as reaction precursors according to a molar ratio of perylene to PTCDA / propylene diamine of (1-5): 1; (2) adding an ethanol-sulfuric acid solution or DMF (Dimethyl Formamide) into the reaction precursor, and carrying out solvothermal reaction in a hydrothermal reaction kettle; and (3) after the solvothermal reaction is completed, filtering, centrifuging and dialyzing the reaction solution, and finally drying to obtain the carbon dots. The carbon dot with the dark blue light emission characteristic is applied to a dark blue light electroluminescent diode. The carbon dots developed by the invention have a dark blue light emission characteristic (the emission peak value is less than or equal to 465 nm), can be applied to dark blue light-emitting diodes, have a wide application prospect, are simple in preparation process and low in cost, and are a convenient and environment-friendly method for synthesizing the carbon dots on a large scale.

The invention provides wear-resistant fluorescent waterborne polyurethane and a preparation method thereof, and relates to the technical field of novel fluorescent polymer materials. The wear-resistant fluorescent waterborne polyurethane is prepared from the following raw materials in parts by weight: 5 to 15 parts of perylene bisimide modified monomer, 20 to 45 parts of oligomer polyol, 35 to 45 parts of isocyanate, 2 to 7 parts of hydrophilic monomer, 5 to 10 parts of chain extender, 2 to 5 parts of neutralizer and 0.01 to 0.1 part of catalyst, wherein the perylene bisimide modified monomer takes perylene bisimide as a center, the nitrogen end of the perylene bisimide is grafted with a cage type polysilsesquioxane group, and the bay position of the perylene bisimide is modified with a triethylene glycol group. The wear-resistant fluorescent waterborne polyurethane disclosed by the invention has high solid-state fluorescent quantum yield and excellent physical and mechanical properties.

The present invention provides a black polyimide film manufactured by imidizing a polyamic acid obtained from a dianhydride monomer and a diamine monomer, the black polyimide film comprising a black pigment containing bituminous coal and perylene black.

The invention belongs to the technical field of electro-catalysis, and particularly relates to a perylene-based composite material electrode with Ni loaded on carbon cloth and application of a preparation method of the perylene-based composite material electrode in electro-catalysis nitrate reduction. The preparation method comprises the following steps: dissolving perylene-3, 4, 9, 10-tetracarboxylic dianhydride, imidazole and 2, 4, 6-tri (4-aminophenyl)-1, 3, 5-triazine in DMF (Dimethyl Formamide), continuously refluxing for 48 hours under the condition of stirring at 180 DEG C, repeatedly cleaning with DMF, and drying to obtain a perylene-based material; the preparation method comprises the following steps: dissolving nickel nitrate hexahydrate, thiourea and a perylene-based material in tetrahydrofuran (THF), reacting at 160 DEG C for 24 hours, centrifuging, washing and drying to obtain the perylene-based composite material of Ni, which is stable in structure, convenient to synthesize and good in catalytic performance. The composite material is prepared into printing ink, carbon cloth is coated with the printing ink, a reduction electrode is prepared, the electrode is used for electro-catalysis of nitrate radicals, the Faraday efficiency is 31.49% under-1.2 V v.s.RHE, the ammonia nitrogen yield is up to 357.70 mmol h <-1 > g <-1 >, and the electrode has excellent nitrate radical reduction catalytic activity.

The invention belongs to the cross technical field of environmental catalysis and green chemical industry, and particularly relates to a PDI / PMSO-based composite photocatalytic system and a method for producing hydrogen peroxide by using organic wastewater. According to the invention, a PDI / PMSO composite photocatalytic system is obtained by coupling a PDI supramolecular photocatalyst with methyl phenyl sulfoxide (PMSO) wastewater according to a specific concentration ratio. According to the PDI / PMSO composite photocatalytic system, the yield of H2O2 can be remarkably increased, and when the concentration of PMSO is 10 mM, the yield of H2O2 reaches 137.28 [mu] M.g <-1 >. H <-1 > and is increased by 4.3 times compared with a pure water system. The system promotes photo-induced electron-hole pair separation (steady-state fluorescence intensity is reduced by 37%) through a synergistic effect, enhances electron conduction efficiency (photocurrent is improved by 1.8 times), and keeps excellent cycle stability (the yield is kept above 80% after 10 cycles) and practical water body applicability. The method is simple in process and low in cost, and an integrated solution is provided for recycling of organic wastewater and green synthesis and application of H2O2.

The invention belongs to the technical field of photocatalysts, provides a structure, a preparation method and application of four novel organic polymer materials, and particularly relates to a preparation method and application of a perylene covalent triazine framework material. The preparation method mainly comprises the following steps: firstly, mixing monomers containing different functional groups and structures in different solvents, and synthesizing a polymer material through simple Sonogashira coupling reaction and Suzuki coupling reaction; secondly, performing Soxhlet extraction and purification on the four materials in a Soxhlet extractor to wash off impurities and unreacted monomers; according to the novel organic polymer material, triazine rings are introduced and form a more stable and prolonged D-A structure with pyrene and perylene functional group parts, intramolecular electron transfer of photon-generated carriers is promoted, compounding of the photon-generated carriers can be inhibited, and then the performance of the obtained material for photocatalytic water production of hydrogen peroxide is improved; meanwhile, the influence of introduction of different units on the performance of photocatalytic water production of hydrogen peroxide is compared.

Compounds with redox molecular cores and branched molecular tails comprising ionic functionalities for uses as electrolytes in redox flow batteries are described, as well as methods of synthesis and use thereof. The compounds have redox active perylene diimide or ferrocene molecular core decorated with the branched molecular tails having multiple ionic functionalities to improve water solubility of the molecular core, and, as such, its performance as the electrolyte.

The invention provides a visible light photocatalytic hydrogen production material based on a D-pi-A type PTA-TFPTA imine bond COF as well as a preparation method and application of the visible light photocatalytic hydrogen production material, belongs to the technical field of functional material technologies and photocatalytic hydrogen production, and is used for solving the problem that a covalent organic framework material is generally insufficient in catalytic activity in the photocatalytic hydrogen production process. The material is prepared by mixing and reacting 2, 5, 8, 11-tetra (4-aminophenyl) perylene and an electron-deficient monomer; during application, the material is mixed with a sacrificial agent and a cocatalyst, and photocatalytic hydrogen production can be realized under visible light irradiation. The preparation process is simple and convenient, does not need complex equipment and harsh conditions, and is easy for large-scale production; the obtained material is good in crystallinity, excellent in visible light absorption performance and outstanding in photocatalytic hydrogen production activity.

Composite solid polymer electrolytes (SPE), organic cathode electrodes, and solid-state lithium batteries (SLBs) that incorporate the SPE and / or the organic cathode electrodes. The composite solid polymer electrolytes include a hybrid polymer matrix, an LiTFSI salt dispersed in the matrix polymer matrix, and an LLZTO ceramic filler dispersed in the matrix polymer matrix. The organic cathode electrodes contain perylene-3,4,9,10-tetracarboxylic dianhydride (PTCDA).

The embodiment of the invention relates to a negative electrode material and a preparation method thereof, a negative electrode plate and a battery, and the preparation method of the negative electrode material comprises the following steps: S1, uniformly mixing a single-layer MXene suspension and a resin prepolymer dispersion liquid, adding perylene-2, 5, 8, 11-tetracarboxylic acid, and uniformly stirring to obtain a precursor solution; s2, performing hydrothermal reaction on the precursor solution to obtain a carbon precursor; and S3, performing carbonization treatment on the carbon precursor in a protective gas atmosphere to obtain the negative electrode material. Therefore, the first efficiency, the capacity performance and the cycle performance of the negative electrode material can be effectively improved.

To provide an exterior laminate that can be used as an exterior component and is capable of sufficiently suppressing heat accumulation due to radiant heat such as sunlight. [Solution] An exterior laminate 10 is disclosed, having, in order from the surface side, a) a transparent film layer 1 containing an acrylic resin, c) a printed layer 2, and b) a colored film layer 3 containing a polyvinyl chloride resin, wherein the printed layer 2 of c) does not contain carbon black, the solar transmittance of the printed layer 2 of c) is 70% or more, and the solar absorptance is 20% or less. Preferably, the printed layer 2 of c) contains a perylene-based colorant and / or a phthalocyanine-based colorant.

This invention relates to the field of functional materials technology, and particularly to a floating defective g-C3N4 / PDI composite thin-film photocatalyst, its preparation method, and its application. The preparation method of the floating defective g-C3N4 / PDI composite thin-film photocatalyst provided by this invention includes the following steps: mixing defective graphene carbon nitride, N,N'-bis(3-aminopropyl)perylene-3,4,9,10-tetracarboxylic acid diimide (PDI), an organic base, and water to obtain a first suspension; mixing the first suspension with a monohaloacetic acid to undergo a protonation reaction, followed by solid-liquid separation to obtain a protonated composite material; mixing the protonated composite material with a thermoplastic resin solution to obtain a second suspension; and forming the second suspension into a film and then drying it to obtain the floating defective g-C3N4 / PDI composite thin-film photocatalyst. This photocatalyst is recyclable after use, does not cause secondary pollution to the environment, and exhibits excellent photocatalytic performance.

The invention belongs to the technical field of eutectic semiconductor materials, and discloses a D-A type acene-perylene bisimide eutectic crystal, an organic field effect transistor and a preparation method and application of the D-A type acene-perylene bisimide eutectic crystal and the organic field effect transistor. As a bipolar semiconductor material, the D-A acene-perylene bisimide eutectic crystal shows balanced bipolar with excellent performance, has an ultrahigh on-off ratio, and shows great application value in the aspect of electronic circuits.

The invention belongs to the technical field of photothermal conversion materials, and discloses a preparation method and application of an inorganic-organic hybrid polyoxotungstate photothermal material with wide spectrum absorption. The structural formula of the photo-thermal material is Per4W10O32, the crystal structure belongs to a triclinic system, the space group is P-1, and the photo-thermal material has specific unit cell parameters. The preparation method comprises the following steps: oxidizing perylene molecules through constant current electrolysis in a mixed solvent system containing perylene molecules and a decatungstate precursor in an electrochemical oxidation manner, and assembling the oxidized perylene molecules with decatungstate anions to form bulk crystals; the photo-thermal material has continuous strong absorption in a region from ultraviolet light to short wave infrared, the photo-thermal conversion efficiency is as high as 98.24%, when the photo-thermal material is applied to the fields of solar driven interface photo-thermal evaporation and water treatment, the evaporation rate of a two-dimensional system is 1.89 kg.m <-2 >. H <-1 >, the evaporation rate of a three-dimensional hydrogel system is increased to 3.02 kg.m <-2 >. H <-1 >, salt deposition can be inhibited in long-term seawater desalination operation, and the photo-thermal material has a good application prospect. Fresh water quality meets drinking water standards.

The invention belongs to the technical field of negative electrode materials, and particularly relates to a graphene composite material and a preparation method and application thereof. The invention provides a graphene composite material. The graphene composite material comprises a graphene matrix and a functional material loaded on the graphene matrix, the functional material is a polymer formed by perylene-3, 4, 9, 10-tetracarboxylic dianhydride and an amide compound. According to the invention, a polymer formed by perylenetetracarboxylic dianhydride and an amide compound is loaded on graphene, the polymer and the graphene are fully combined, and the obtained composite material is used as a negative electrode material and has relatively high specific capacity; and meanwhile, the polymer with the plate-shaped structure also has a supporting function, so that the structural stability of the graphene in the charging and discharging process is ensured.

The present invention discloses a perylene tetracarboxylic acid ester fluorescent probe for detecting fluoride ions and a detection method thereof, belonging to the technical field of analytical chemistry. The perylene tetracarboxylic acid ester fluorescent probe contains a copper ion and bipyridine-like complex structure and an O-H group. The fluorescent probe of the present invention is simple to synthesize and convenient to use. The coordination effect of copper ions enhances the ability of the O-H group to donate protons, and can specifically react with fluoride ions. Chloride ions, bromide ions, iodide ions, sulfate ions, acetate ions, perchlorate ions and dihydrogen phosphate ions have no obvious interference on the determination of fluoride ion concentration, and have the characteristics of good selectivity and high sensitivity.

The present invention provides an aqueous inkjet ink composition containing a pigment, an alkali-soluble resin, a surfactant, a water-soluble solvent, colloidal silica, and water, wherein the pigment is one or more pigments selected from the group consisting of dye lake pigments, azo-based pigments, benzimidazolone-based pigments, phthalocyanine-based pigments, quinacridone-based pigments, anthraquinone-based pigments, dioxazine-based pigments, indigo-based pigments, thioindico-based pigments, perylene-based pigments, perinone-based pigments, diketopyrrolopyrrole-based pigments, isoindolinone-based pigments, nitro-based pigments, nitroso-based pigments, flavanthrone-based pigments, quinophthalone-based pigments, pyranthrone-based pigments, indanthrone-based pigments, carbon black, red iron oxide, graphite, black iron oxide, and chrome oxide green, the surfactant includes a surfactant (A) having an HLB value equal to or greater than 3 and less than 10 and a surfactant (B) having an HLB value of 10-20 (inclusive), the water-soluble solvent has a boiling point of 170-250°C (inclusive) at 1 atm and represents 15-60% by mass (inclusive) in the aqueous inkjet ink composition, and the percentage of the colloidal silica in the aqueous inkjet ink composition is 0.05-2 mass% (inclusive). The aqueous inkjet ink composition has excellent storage stability, mechanical stability, discharge stability, coating film drying properties, and cissing resistance.

The invention discloses a heterojunction-based bipolar synapse transistor and a preparation method thereof, and the heterojunction-based bipolar synapse transistor comprises a gate layer, a gate insulating layer located on the surface of the gate layer, a charge storage layer located on the surface of the gate insulating layer, and a semiconductor layer located on the surface of the charge storage layer. The drain electrode and the source electrode are located on the surface of the semiconductor layer. The charge storage layer is prepared from n-type N, N '-dioctyl-3, 4, 9, 10-perylene dicarboximide through vacuum evaporation; and the semiconductor layer is prepared by vacuum evaporation of p-type pentacene. According to the transistor prepared by the invention, a balanced bipolar behavior is combined with an effective charge capture mechanism, the functions of a memory and a photoelectric synapse transistor can be realized at the same time, and the transistor has huge application potential in the aspect of constructing a brain-like computing system.

The invention relates to a cyclic bisazo initiator for preparing EVOH as well as a preparation method and application of the cyclic bisazo initiator, the initiator is a cyclic bisazo compound, an aromatic ring is used as an intermediate structure of the compound, tetrahydropyridazine is coupled to an adjacent position of the aromatic ring, and the aromatic ring is selected from any one of naphthalene, anthracene, pyrene and perylene. Compared with the prior art, the initiator provided by the invention has a ring rigid structure and two azo groups, can be rapidly initiated to generate free radicals with a certain concentration, is high in polymerization efficiency, and effectively improves the performance of an EVOH product.

The present application relates to fluorescent nanoparticles based on fluorinated zwitterionic random copolymer and its preparation method and application, the fluorescent nanoparticles include the single chain nanoparticles formed by poly trifluoroethyl methacrylate-co-methacryloyloxyethyl sulfobetaine, the molecular chain end of the poly trifluoroethyl methacrylate-co-methacryloyloxyethyl sulfobetaine is connected with ACQ type group selected from anthryl, perylene imide group and pyrene base or AIE type group selected from tetraphenyl ethylene base, carbazole base and cyanine-containing triphenyl ethylene group.The fluorescent nanoparticles based on the poly trifluoroethyl methacrylate-co-methacryloyloxyethyl sulfobetaine of the present application that terminal fluorescent group is terminated, has excellent controllable fluorescent luminescence performance.It is considered that the single chain nanoparticles have isolation effect, avoid the fluorescence quenching effect of ACQ type group, and can provide limited microenvironment for AIE type group, ensure the fluorescent luminescence performance of nanoparticles.

The invention discloses a high-saturation fluorescent orange polyester composition as well as a preparation method and application thereof, and relates to the technical field of high polymer materials. The fluorescent orange polyester composition comprises aromatic polyester resin and perylene black dye. Aromatic polyester resin is adopted as a matrix, a specific amount of perylene black dye is added, and the pi-pi stacking effect between perylene black dye molecules is destroyed by a benzene ring molecular chain structure of the aromatic polyester resin through the strong conjugation effect with dye small molecules at a high temperature, so that the perylene black molecules are uniformly dispersed between polyarylate resin molecular chains, and the perylene black dye is prepared. And self-assembling with a benzene ring molecular chain structure of aromatic polyester resin through pi-pi conjugation to obtain the orange polyester composition with high temperature resistance, strong fluorescence, strong covering power and high brightness.

An electrochemical sensor for the detection of a selected analyte and methods of detecting the selected analyte. The sensor comprises an active layer containing a sensing material dispersed in a semiconducting and / or conducting polymer. The conductance of the active layer is responsive to the presence / amount of selected analyte in the active layer. The sensing material comprises a pi-conjugated moiety and at least one chemical functional group bonded to the pi- conjugated moiety, interaction of the sensing material with the selected analyte induces charge transfer into the active layer to change the conductance of the active layer. Example selected analytes are volatile bases, particularly ammonia, volatile amines, diamine or polyamines. Example sensing material is the N-Annulated perylene diamine NPDI-NH.

The invention relates to the technical field of functional materials, in particular to a floating type defect g-C3N4 / PDI composite film photocatalyst as well as a preparation method and application thereof. The preparation method of the floating type defect g-C3N4 / PDI composite film photocatalyst provided by the invention comprises the following steps: mixing defect type graphene carbon nitride, N, N '-bis (3-aminopropyl) perylene-3, 4, 9, 10-tetracarboxylic diimide (PDI), organic alkali and water to obtain a first suspension; mixing the first suspension with halogenated acetic acid, carrying out protonation reaction, and then carrying out solid-liquid separation to obtain a protonated composite material; and mixing the protonated composite material with a thermoplastic resin solution to obtain a second suspension, forming a film from the second suspension, and drying to obtain the floating type defect g-C3N4 / PDI composite film photocatalyst. The photocatalyst can be recycled after being used, does not cause secondary pollution to the environment, and has excellent photocatalytic performance.

To provide a pigment composition having excellent transparency, clarity, and weather resistance.SOLUTION: A pigment composition contains perylene pigment (A), particle size control agent (B) and carboxylic acid (C), where the perylene pigment (A) is perylene pigment having a specific structural formula, the particle size control agent (B) is a compound which has three or more of 5-membered ring or 6-membered ring, and at least one of the 5-membered ring and 6-membered ring is heterocycle, the carboxylic acid (C) is carboxylic acid having the molecular weight of 100 or more and 1000 or less, and the pigment composition contains the perylene pigment (A) by 70 mass% or more, the particle size control agent (B) by 0.1 mass% or more and 20 mass% or less, and the carboxylic acid (C) by 0.5 mass% or more and 20 mass% or less in the total 100 mass% of the perylene pigment (A), the particle size control agent (B) and the carboxylic acid (C).SELECTED DRAWING: None

The invention belongs to the field of heat-conducting composite materials, and discloses interfacial effect enhanced liquid crystal polyester, a high-heat-conductivity liquid crystal polyester composite material and a preparation method and application thereof. The preparation method comprises the following steps: mixing a dihydric alcohol monomer and perylene-3, 9-dicarboxylic acid, adding a catalyst, heating for condensation polymerization, and continuously heating for reaction while suction filtration to obtain the interfacial effect enhanced liquid crystal polyester. Graphene nanosheets and interfacial effect enhanced liquid crystal polyester are dissolved in an organic solvent, stirring, ultrasonic dispersion and drying are performed, then hot pressing is performed, the high-thermal-conductivity liquid crystal polyester composite material is obtained, liquid crystal polyester serves as a base material, the graphene nanosheets serve as filler, and the adding amount of the liquid crystal polyester accounts for 70%-90% of the mass of the composite material. Due to the pi-pi stacking effect between the matrix and the filler, the interfacial compatibility is improved, a heat-conducting network is constructed, the heat-conducting property of the composite material is further improved, and the heat conductivity coefficient of the vertical surface of the composite material can reach 0.848 W m <-1 > K <-1 >.

The present invention discloses a class of perylene diimide luminescent crystals with the characteristics of a magic-angle stacking structure and their applications. In the perylene diimide luminescent crystals with the characteristics of a magic-angle stacking structure, the imide region of the perylene diimide and the substituents are connected by a methylene group, and the types and sizes of the substituents can finely adjust the arrangement of molecules in the crystal. The perylene diimide luminescent crystals can be obtained by solution processing or vapor deposition, and their stacking mode is a staggered stacking, with the slip angle near the magic angle (54.7°), that is, the displacement along the long axis of the molecule and the displacement along the short axis have a crossing angle less than or equal to 30°. The luminescent crystals of the present invention have a broad absorption band in the visible light region, and the fluorescence is mainly in the deep red-near infrared region, and its fluorescence quantum yield ranges from 1% to 100%, and it can be applied in solar concentrators, organic electroluminescent devices, etc.

The invention relates to an organic compound, a polymer and a light-emitting device. The organic compound has a structural formula as shown in a formula (1). According to the invention, a condensed ring structure with perylene groups is formed in the organic compound, so that blue light can be effectively absorbed; when the organic compound is used for forming a color conversion layer and used in a light-emitting device, the light-emitting efficiency and the light-emitting effect of the light-emitting device can be improved.

The invention provides an asymmetric perylene organic matter as well as a preparation method and application thereof. The asymmetric perylene organic matter has a structure shown in a formula (I), n is 1-5, and m is 1-10. After the asymmetric perylene organic matter with the structure is applied to a passivated perovskite thin film, a phosphate group and a trifluoromethyl group can passivate grain boundary and surface defects in the perovskite thin film and improve grain boundary and surface charge transfer, F atoms can improve the hydrophobicity of the surface of the perovskite thin film, and therefore the perovskite thin film can be used for passivating the perovskite thin film. The perovskite thin film can form a hydrogen bond with N to inhibit methylamine and formamidine ion migration, and P = O and C = O are coordinated with Pb ions to inhibit Pb ion migration. The efficiency and the stability of the perovskite device can be improved through superposition of the multiple effects. # imgabs0 #