112 results about "Perylene" patented technology

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 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 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).

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 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.

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 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 discloses an application of a fusion gene RPL17-C18orf32 as a benzo [g, h, i] perylene acute exposure marker, an in-vitro benzo [g, h, i] perylene acute exposure human lung bronchial epithelial cell model is established, abnormal expression of the fusion gene RPL17-C18orf32 is detected, and RPL17-C18orf32 participates in benzo [g, h, i] perylene acute exposure marker expression. The processes of cell proliferation capacity decline, apoptosis rate increase, cycle disorder, cell DNA damage and the like caused by acute exposure of benzo [g, h, i] perylene, so that the fusion gene RPL17-C18orf32 can be used as a biomarker for acute exposure of benzo [g, h, i] perylene. The invention not only provides a potential biomarker for early diagnosis for evaluating the acute exposure of the benzo [g, h, i] perylene, but also provides a new strategy for developing diseases related to the acute exposure of the benzo [g, h, i] perylene for preventing and treating the acute exposure of the benzo [g, h, i] perylene.

The present invention relates to a nylon composite material, a preparation method and an application thereof, belonging to the technical field of plastic coloring and color matching. The nylon composite material described in the present invention comprises the following components in parts by weight: 55-70 parts of nylon resin, 0.7-2 parts of white pigment, 0.1-0.7 parts of bis(p-chlorophenyl)-1,4-diketopyrrolo[3,4-c]pyrrole pigment, and 0.3-0.9 parts of perylene-based pigment. By compounding and adding perylene-based pigment and DPP pigment into nylon resin, the present invention can synergistically improve the color saturation of nylon material, and still enable the final product to have a low fluorescence intensity when the dosage of DPP is low. The nylon composite resin prepared by the present invention has a low fluorescence intensity, a redder hue, a higher chromaticity value, and the color difference after boiling in water at 100°C for 1 h is less than 1, which is of great significance for saving the coloring and color matching cost of nylon resin.

The invention discloses a perylene bisimide flame-retardant pigment as well as a preparation method and application thereof, and relates to the technical field of high polymer material additives, and the perylene bisimide flame-retardant pigment comprises a compound as shown in a formula I. According to the perylene bisimide flame-retardant pigment provided by the invention, the design thought of an organic functional pigment is broadened, the blank of synergistic application of a flame retardant and a pigment in the prior art is filled up, a novel structure considering flame-retardant and coloring requirements in a single molecule is realized, the adjustability of color and performance of a material is endowed through substituent group engineering, and the flame-retardant perylene bisimide pigment is suitable for industrial production. The method has important significance in the fields of textile fibers, engineering plastics, electrical and electronic components and the like which need to consider attractiveness and safety. Formula I.

The present invention relates to the technical field of optoelectronic devices, and particularly to a two-color light source single-molecule device based on femtosecond two-photon absorption and a preparation method thereof. The single-molecule device includes a substrate, a graphene source electrode, and a graphene drain electrode. The graphene source electrode and the graphene drain electrode form a graphene electrode pair, and the graphene electrode pair is disposed on the top layer of the substrate. The two-color light source uses a multi-thienyl dendritic molecule of a single-molecule perylene diimide core as a luminescent molecule. The two -NH2 ends of the multi-thienyl dendritic molecule of the perylene diimide core are respectively connected to the graphene source electrode and the graphene drain electrode through amide bonds, significantly enhancing the chemical stability of the single-molecule device, and thus being able to ensure its long-term reliability under complex operating conditions. The preparation method of the two-color light source single-molecule device based on femtosecond two-photon absorption provided by the present invention has a simple operation process and controllable conditions, which is beneficial to the large-scale production of single-molecule devices.

The invention relates to the technical field of textile fiber preparation, in particular to a preparation method of colorful chitosan-based fluorescent anti-counterfeiting nanofibers. The method comprises the following steps: (1) preparing a spiropyrane (SP) labeled red fluorescent chitosan (CS) solid material SP-CS; (2) preparing a perylene (Perylene) labeled green fluorescent chitosan solid material Perylene-CS (Chlorine Sulfonate); (3) preparing a tetraphenylethylene (TPE) labeled blue fluorescent chitosan (CS) solid material TPE-CS; (4) blending the SP-CS dilute acetic acid solution, the Perylene-CS dilute acetic acid solution, the TPE-CS dilute acetic acid solution and the polyvinyl alcohol (PVA) solution according to different proportions to prepare a spinning solution; and (5) preparing the colorful chitosan-based fluorescent anti-counterfeiting nanofiber through electrostatic spinning. The series of chitosan-based anti-counterfeiting nanofibers prepared by the invention can emit fluorescence in various colors such as orange, yellow, cyan and purple under the excitation of ultraviolet light, the diameter distribution of the fibers is uniform, the surface is smooth, and the average diameter is within the range of 110-150nm.

The utility model relates to the technical field of photoelectric equipment, in particular to an organic photoelectric detector and equipment comprising the organic photoelectric detector, and the organic photoelectric detector comprises an anode and a cathode; one end, far away from the cathode, of the anode is arranged on the transparent glass substrate; a hole transport layer is arranged at one end, far away from the transparent glass substrate, of the anode; an electron transport layer is arranged at one end, close to the anode, of the cathode; an active layer is arranged between the hole transport layer and the electron transport layer; the active layer is composed of at least two aggregation layers, and each aggregation layer comprises a graphene-azo sub-layer, a graphene-perylene sub-layer and a graphene-phthalocyanine sub-layer which are sequentially arranged in the longitudinal direction. Through collaborative design of a graphene grid thin layer structure and various photosensitive pigments, the generation, separation and migration efficiency of photon-generated carriers is remarkably improved.

The invention discloses an organic long-afterglow material for afterglow emission of a polycyclic aromatic hydrocarbon compound and a preparation method and colorful display application of the organic long-afterglow material for afterglow emission of the polycyclic aromatic hydrocarbon compound. The organic long-afterglow material for afterglow emission of the polycyclic aromatic hydrocarbon compound comprises cholic acid and the polycyclic aromatic hydrocarbon compound uniformly distributed in the cholic acid, the polycyclic aromatic hydrocarbon compound is one or a mixture of benzo [a] anthracene, benzo [c] phenanthrene, pyrene, benzo [ghi] perylene and naphthalene [2, 3-a] pyrene. The organic long-afterglow material shows a good color-changing long-afterglow property under excitation of an ultraviolet lamp, and overcomes the defects that most of existing long-afterglow materials are single in color and have a static afterglow effect. The dynamic color-changing long-afterglow material can display colored afterglow for a long time after optical excitation is stopped, and shows a dynamic and differentiated luminous effect. Meanwhile, the organic long-afterglow material is suitable for various polycyclic aromatic hydrocarbon compounds and is high in universality.

The invention provides a multicolor fluorescent carbon dot composite material as well as a preparation method and application thereof. The preparation method of the multicolor fluorescent carbon dot composite material comprises the following steps: adding an organic compound and urea into water, uniformly mixing to obtain a precursor solution, and heating the precursor solution under microwaves for a period of time to obtain multicolor fluorescent carbon dots; wherein the organic compound is selected from organic acid or organic acid anhydride; the organic acid is selected from p-aminobenzoic acid, citric acid, tetraphenylporphyrin tetrasulfonic acid, 3, 5-dihydroxybenzoic acid, ascorbic acid, lysine and the like; the organic anhydride is selected from perylenetetracarboxylic anhydride. The multicolor fluorescent carbon dot composite material containing the supporting substrate formed by taking urea as a raw material and the light-emitting center formed by reacting urea and an organic compound is directly obtained through a one-step method, and solid fluorescent materials with different light-emitting wavelengths are obtained by changing the types of organic acids or organic acid anhydrides. And the fluorescence quantum efficiency can reach up to 91.40%.

The invention belongs to the technical field of polymer composite heat conduction materials, and particularly relates to a hot adhesive for a composite material and a preparation method thereof. The method aims at solving the problem that current thermal conductivity improvement generally depends on a sacrifice process and adhesion. A three-dimensional heat conduction network is constructed through surface modification and magnetic field induced orientation of the perylene modifier on graphene, the perylene modifier is firmly adsorbed on the surface of the graphene through pi-pi accumulation and forms a dynamic covalent and chemical bonding interface with a hyperbranched polysiloxane matrix, and meanwhile, the surface of the modified graphene is loaded with nano-scale magnetic particles, so that the surface of the modified graphene is subjected to surface modification and magnetic field induced orientation. Under the action of a magnetic field, orientation is performed to form a three-dimensional heat-conducting chain structure, so that good flowability and adhesive force are still realized under relatively high filler loading, and the heat conductivity coefficient is improved.