19 results about "Naphthalene diimide" patented technology

[Problem] To provide a sealant composition for a protective film layer, said sealant composition being made of a resin and being cured at a lower temperature than the firing temperature of an overcoat agent comprising a glass paste. [Solution] This sealant composition for a protective film layer is characterized by including: a bisnadimide compound that is represented by chemical formula 1 and in which a divalent hydrocarbon group (R1) is bonded to nitrogen atoms of imide groups having norbornene skeletons; a phenolic resin; and a reactive diluent that has one or more epoxy groups. A resin cured film that has superior heat resistance can be formed using this composition, and thus this composition can be used as a sealant for a protective film layer of a chip resistor, a chip capacitor, or similar.

The present invention is entitled: Naphthalene diimide derivatives incorporating piperidine as cathode interface materials for organic solar cells. This invention relates to the field of materials science, specifically to a compound and its applications, preparation methods, organic solar cell cathode interface materials, and organic solar cells. The structure of the compound is as follows: [structure omitted for brevity]. Wherein, n is a natural number between 0 and 6, and X1 and X2 are independently selected from [selections omitted for brevity]. This compound can be used as a cathode interface material for organic solar cells, achieving high photoelectric conversion efficiency. By incorporating piperidine, the photostability of the material is improved, exhibiting stronger photostability compared to commonly used tertiary amine side chain naphthalene diimide derivatives. This compound can also be applied to devices such as organic light-emitting diodes and perovskite solar cells.

The invention provides a near-infrared two-region aggregation-induced emission material, a preparation method thereof and application of the near-infrared two-region aggregation-induced emission material in preparation of I-type photodynamic drugs, and belongs to the technical field of biomedical engineering. The NDA / BA nano-particles are constructed by taking the obtained near-infrared two-region aggregation-induced emission material as a donor and thiaphthalimide as a receptor and integrating the donor and the receptor through poloxamer F127, and the NDA / BA nano-particles are further used for preparing I-type photodynamic drugs. The NDA / BA nano-particles show remarkably enhanced I-type photodynamic performance, the total active oxygen,. OH and O2 <.-> generation amount of the NDA / BA nano-particles are remarkably increased, the NDA / BA nano-particles are proved to have accurate near-infrared two-region imaging and photodynamic therapy effects, and a new scheme with a wide prospect is provided for near-infrared two-region image guided photodynamic diagnosis and treatment integration.

This invention discloses a series of zirconium-based MOFs and their preparation methods and applications for electrochromic thin films, specifically involving two MOF materials with electrochromic properties. The materials are framework materials with one-dimensional channels, one example having a unique csq topology. The metal is zirconium, and the ligand is a tetracarboxylic acid ligand containing a naphthalimide group. The one-dimensional channels include triangular channels with a diameter of 1.2 nm and hexagonal channels with a diameter of 2.7 nm. Both MOFs crystallize in the hexagonal P6 / mmm crystal system. The cell parameters of NKM-908 are a = b = 40.285, c = 23.6990, α = β = 90°, γ = 120°. The cell parameters of NKM-908-TPDC-X are a = b = 40.54, c = 23.45, α = β = 90°, γ = 120°. Here, X represents different substituents modified by the linear dicarboxylic acid ligand side chain. This application also provides the two methods for preparing the aforementioned MOF thin films, which feature simple processes, mild reaction conditions, and good reproducibility. The NKM-908 electrochromic thin film can achieve reversible color switching, changing from essentially colorless to light yellow and then to green. The NKM-908-TPDC-X thin film exhibits different color changes depending on the difference in X.

A method for detecting and discriminating between per- and poly-fluoroalkyl substances (PFAS) in an aqueous sample includes exciting the aqueous sample alone at a wavelength of between 330 - 390 nm, contacting the sample with a detection reagent comprising a naphthalene diimide-based cationic fluorophore, exciting the detection reagent and sample together at the excitation wavelength, and quantifying a change in a fluorescence emission intensity of the detection reagent while in contact with the sample relative to the fluorescence intensity of the detection reagent prior to being contacted with the sample.

Provided herein are naphthalene diimide (NDI) compounds and their use in thin films, methods of making thin films, photovoltaic devices comprising NDI thin films, and methods of making photovoltaic devices comprising NDI thin films. Additionally contemplated are organic light-emitting diodes comprising NDI thin films, photodetectors comprising NDI thin films, and organic field-effect transistors (OFETs) comprising NDI thin films.

The invention relates to the technical field of photochromic coordination polymers, in particular to a naphthalimide-based photochromic coordination polymer and a preparation method thereof. The chemical formula of the naphthalimidogen photochromic coordination polymer is [Sr (AlaNDI) (18-C-6)] n, AlaNDI is deprotonated (2S, 2 'S)-2, 2'-(1, 3, 6, 8-tetraoxo-1, 3, 6, 8-tetrahydrobenzo [1mn] [3, 8] phenanthroline-2, 7-diyl)-dipropionic acid), and AlaNDI is deprotonated (2S, 2 'S)-2, 2'-(1, 3, 6, 8-tetraoxo-1, 3, 6, 8-tetrahydrobenzo [1mn] [3, 8] phenanthroline-2, 7-diyl)-dipropionic acid. The 18-C < 6 > is 18-crown-6; the naphthalimide-based photochromic coordination polymer is a trigonal system, the space group is P3212, under the irradiation of a xenon lamp, the color of the coordination polymer is quickly changed into dark brown from light yellow within 30 seconds, a wide absorption band extending to a near-infrared region appears, and an obvious photochromic behavior is shown.

The invention discloses a cellulose acetate based 1, 8-naphthalimide fluorescent probe for detecting hydrogen sulfite (HSO3 <->) as well as a preparation method and application of the cellulose acetate based 1, 8-naphthalimide fluorescent probe. The preparation method comprises the following steps: by taking 4-bromo-1, 8-naphthalic anhydride as a raw material, carrying out condensation reaction on the 4-bromo-1, 8-naphthalic anhydride and 4-aminobutyric acid to prepare 4-(4-bromo-1, 8-naphthalic diimide) butyric acid, namely BNA-B; the preparation method comprises the following steps: carrying out coupling reaction on BNA-B and 4-formyl phenylboronic acid to prepare 4-(4-(4-formyl phenyl)-1, 8-naphthalimidoyl) butyric acid, namely FNA-B; the preparation method comprises the following steps: carrying out aldol condensation reaction on FNA-B and 1, 2, 3, 3-tetramethyl-3H-indole iodide to prepare a compound INA-B; and the compound INA-B and cellulose acetate (CA) are subjected to an esterification reaction, such that the cellulose acetate-based 1, 8-naphthalimide fluorescent probe INA-B-CA is prepared. The compound INA-B-CA can specifically recognize HSO3 <->, under the irradiation of 365nm ultraviolet light, after HSO3 <-> is added into a DMSO / PBS solution of INA-B-CA, the fluorescence color of the solution is changed from yellow to blue, and the probe has a good application prospect.

The invention discloses application of a multi-charge derivative based on naphthalimide in a flowing electrochromic device, and belongs to the technical field of preparation of intelligent electrochromic devices. A plurality of charged functional groups are introduced into the derivative, the redox activity and the electrochromism performance are improved, the derivative serves as an active electrolyte to be combined with a flow battery framework and electrochromism, reversible conversion from a full-transparent state to a full-black state is achieved, and the derivative has the full-wave-band absorption characteristic. Compared with a traditional device, the flowing electrochromic device has the advantages that a molecular self-recovery mechanism is established by electrolyte flowing, and the cycle life is prolonged; large-area devices are uniformly colored; the functions of self-erasing light writing, light-driven energy storage and the like are achieved; the optical contrast of the device reaches 96%, the cycle exceeds 30,000 times, and the coloring efficiency is high. The building energy-saving simulation shows that the indoor temperature rise can be effectively inhibited under strong light, and the global energy-saving potential is remarkable. An innovative scheme is provided for a high-performance and low-cost electrochromic system, and the method has wide prospects in the fields of intelligent buildings, optical management and the like.

There is provided a redox flow battery (1) comprising a negative electrolyte solution (2) and a positive electrolyte solution (3) wherein the negative electrolyte solution (2) comprises an optionally modified naphthalene diimide, NDI, or a salt thereof, and the positive electrolyte solution (3) comprises a cyclic nitroxyl radical derivative having at least two cyclic nitroxyl radical groups, or a salt thereof.

The invention discloses a carboxymethyl chitosan graft polymer based on naphthalimide functionalization and a preparation method of the carboxymethyl chitosan graft polymer, and discloses a novel polymer, namely the carboxymethyl chitosan graft polymer based on naphthalimide functionalization. The polymer integrates three functional units through molecular design: a carboxymethyl chitosan skeleton, a naphthalimide unit and alkali metal ions. The preparation method of the polymer relates to condensation grafting reaction and ion exchange functionalization, the process is simple and convenient, and the yield is high. In the aspect of application, the polymer is used as an interface modifier, and defect passivation, charge transfer enhancement and crystallization optimization are synergistically realized on an electron transfer layer of a perovskite solar cell through in-situ pyrolysis, so that the efficiency and stability of a device are improved. The scheme of single material and one-step method solves the problems of single function and complex process in the prior art.

The invention discloses a crystalline organic light-emitting material and a preparation method and application thereof. The crystalline organic light-emitting material comprises a cyclotrimeric naphthalene diimide derivative and perylene, and the cyclotrimeric naphthalene diimide derivative and perylene molecules are connected through a non-covalent pi. The crystalline organic light-emitting material is formed by stacking molecules of the cyclotrimeric naphthalene diimide derivative under the action of C-H... Pi and C-H... O. The invention further discloses a preparation method of the crystalline organic light-emitting material. Compared with the characteristic of single fluorescence excitation mode in the existing material, the organic eutectic luminescent material provided by the invention realizes an efficient two-photon absorption cross section and also realizes efficient photothermal conversion performance.

The invention discloses a crystalline supramolecular polymer, preparation thereof and application of the crystalline supramolecular polymer in detection of amine steam. The crystalline supramolecular polymer is formed by self-assembly of an electron-rich host molecular cage (Cage) and an electron-deficient guest naphthalene diimide derivative (NDI-4 or NDI-8) through charge transfer interaction and pi-pi accumulation interaction. The preparation method comprises the two steps of synthesis of the naphthalimide derivative and co-crystallization of a subject and an object, and is simple in process and mild in condition. The crystalline supramolecular polymer has excellent gasochromic performance and has high selectivity and sensitivity to propylamine, isopropylamine and butylamine steam, the response time at the room temperature does not exceed 4 hours, and rapid and visual detection can be achieved through color change (from purple black to orange or brown) and / or reduction of absorption intensity at the position of 533 nm. The method enriches a supramolecular chemical research system, provides an efficient and low-cost amine steam detection scheme, and has wide application prospects in the fields of environmental monitoring, industrial safety and the like.

The utility model belongs to the technical field of electronic materials and devices, and particularly relates to an N2200-based top gate bottom contact polymer field effect transistor, which comprises a substrate, and an organic semiconductor layer, a polymer dielectric layer and a polymer packaging layer which are sequentially arranged on the substrate and are made of N2200, one end of the organic semiconductor layer is electrically connected with a source electrode, and the other end is electrically connected with a drain electrode; a grid electrode is arranged between the polymer dielectric layer and the polymer packaging layer, and the grid electrode is electrically connected with the polymer dielectric layer; and the organic semiconductor layer is made of a material of poly (naphthalene diimine)-bithiophene P (DNI2OD-T2), namely N2200. According to the utility model, N2200 is used as the organic semiconductor layer, nickel and gold are evaporated on the substrate to serve as the source and drain electrodes, polymethyl methacrylate is used as the dielectric layer, the top-gate bottom-contact high-performance transistor is prepared, and meanwhile, the packaging layer is added on the surface of the organic field effect transistor by a simple spin-coating method, so that the surface defects of a packaging film can be effectively reduced, and the reliability of the organic field effect transistor is improved. The operation is simple and the complexity is reduced.

This invention relates to a bis(naphthalimide)-based blue dye, its preparation method, and an electrowetting display ink. The dye has the following structural formula: it comprises two naphthalimide units, each containing one aromatic amine group and two straight-chain or branched alkyl groups, bridged by a diamine. The preparation method uses dibromonaphthalimide as an intermediate, which undergoes nucleophilic substitution reactions with the diamine and aromatic amine, respectively, to obtain the dye. The preparation method of the bis(naphthalimide)-based blue dye provided by this invention is simple in procedure, has mild reaction conditions, and is suitable for large-scale preparation.

There is provided a redox flow battery (1) comprising: a negative compartment (4) comprising a negative electrode (6) in contact with a first aqueous-based electrolyte solution (2) including a negative electrolyte (2a) comprising an organic redox-active compound dissolved in a first aqueous-based solvent; a positive compartment (5) comprising a positive electrode (7) in contact with a second aqueous-based electrolyte solution (3) including a positive electrolyte (3a) in a second aqueous-based solvent; electrical conductive means (8) for establishing electrical conduction between said positive electrode and said negative electrode, and an external load (9) for directing electrical energy into or out of the redox flow battery; a separator component (10) separating the first aqueous-based electrolyte solution in the negative compartment from the second aqueous-based electrolyte solution in the positive compartment; wherein the organic redox-active compound is a naphthalene diimide, NDI, according to formula (I).

The invention provides a preparation method and application of a zirconium-based metal-organic framework adsorption material, and relates to the technical field of adsorbents. The method comprises the following steps: firstly, mixing zirconium tetrachloride, N, N '-bis (5-isophthalic acid) naphthalimide and a solvent, obtaining a zirconium-based metal-organic framework material by adopting a solvothermal method, then washing the obtained organic framework material, carrying out solvent exchange in dichloromethane, and drying to finish activating treatment; and finally, mixing the activated material, carboxyl benzo 12-crown-4-ether (CB-12C4E) and a solvent, carrying out constant-temperature reaction, cooling, filtering and drying to obtain the adsorption material CB-12C4E (at) Zr-NDI-scu-MOF. According to the method, more crown ether molecules are anchored through ligand exchange by utilizing Zr-NDI-scu-MOF with high porosity, so that a stronger lithium ion adsorption effect is shown, and the method has high adsorption capacity and relatively good selectivity and is suitable for efficiently and selectively recovering lithium ions from lithium ion solutions with complex components and various concentrations.

The invention discloses a heterogeneous catalyst, a preparation method and application of the heterogeneous catalyst in synthesis of carbonic ester compounds. The heterogeneous catalyst provided by the invention is MO-Cu-CMNDI, MO represents one of metal oxides such as MgO, Bi2O3, ZnO, CuO, Fe2O3, ZrO2, Ga2O3, CeO2, SiO2, Al2O3 and TiO2, preferably CeO2, and Cu-CMNDI represents a metal coordination network material [Cu (CMNDI) (H2O) 4] synthesized by CuSO4 and N, N '-bis (carboxyl methyl)-1, 4, 5, 8-naphthalimide (CMNDI). When the MO-Cu-CMNDI catalyst is used for the synthetic reaction of the carbonic ester compound, the catalytic activity is high, the reusability is good, and the yield of the reaction is improved.

The application provides a naphthalimide compound, a preparation method and application thereof, has a structure of a general formula (I), the preparation method is that a 1,4,5,8-naphthalene tetracarboxylic anhydride derivative compound is hydrolyzed under alkaline conditions to obtain a hydrolysis product, and the hydrolysis product is subjected to a condensation reaction with a methoxy polyethylene glycol amine compound under weak acid conditions, and the application solves the problems of poor storage stability of zinc oxide nanoparticles and low efficiency and poor stability of a device based on a zinc oxide nanoparticle electron transport layer.According to the 2-(2-(2-(2-methoxyethoxy)ethoxy)ethyl)-1,3-dioxo-2,3-dihydro-1H-benzoisoquinoline-6,7-dicarboxylic acid with the structure of the general formula (I) of the present application, when a metal oxide such as zinc oxide, tin dioxide is matched to form a composite electron transport layer, the efficiency and stability of a photoelectric device based on different active layers can be effectively and synergistically improved.