140 results about "Perylenemonoimide" patented technology

The invention discloses a preparation method for perylene bisimide polyurethane liquid crystal non-covalent modified graphene. The preparation method comprises the following steps: adding perylene and zinc acetate into N-methyl pyrrolidone, stirring and heating to 150-160 DEG C, adding diglycolamine, reacting for 12 hours, pouring into absolute ethyl alcohol for precipitating and discharging, filtering, and drying in vacuum to obtain hydroxyl-terminated perylene bisimide; taking and dissolving the hydroxyl-terminated perylene bisimide into N, N-dimethyl formamide, adding hexamethylene diisocyanate and a catalyst, heating to 60-65 DEG C and reacting for 6 hours under protection of N2, adding polyethylene glycol, heating to 90-95 DEG C and reacting for 8 hours, pouring reaction liquid into distilled water for precipitating and discharging, filtering, and drying in vacuum to obtain perylene bisimide polyurethane liquid crystals; and taking and dissolving the perylene bisimide polyurethane liquid crystals into chloroform, adding graphene, ultrasonically treating for 2-3 hours, carrying out suction filtration, washing by chloroform, and drying in vacuum to obtain the perylene bisimide polyurethane liquid crystal non-covalent modified graphene. The method disclosed by the invention has the advantages of being wide in material source, simple in process, low in price, small in pollution and the like.

The present invention provides resistance-type gas sensors of three perylene imide derivatives containing different substituents at perylene bays and a preparation method thereof. In a device, the material constituting a source region and a drain region is elemental gold; the material constituting a channel region is a single micron or nano wire of three perylene imide derivatives; and the material constituting a gate dielectric layer is silicon and silica. The gas sensors of three perylene imide derivatives provided by the present invention have high sensitivity under a hydrazine hydrate atmosphere, wherein variation of the sensitivity is closely related with molecular structures. The present invention has the advantages that: on the one hand, fast and efficient detection of a hydrazine hydrate atmosphere is achieved, on the other hand, the structure is simple, size is small, and the device is easy to carry and has a broad application prospect in detection of amine gases.

The invention discloses water-soluble perylene imide compounds, a usage as a DNA intercalator, and applications thereof in the growth inhibition of cancer cells, and belongs to the technical field of chemical synthesis of biological drugs. Through inducing cation amino functional groups into perylene anhydride derivatives and a perylene mono-anhydride system, the water solubility of the perylene anhydride derivatives and the perylene mono-anhydride system is greatly improved; furthermore, the cation amino functional groups are in a photo-stability combination with perylene derivatives, and thus a series of novel water-soluble perylene imide compounds are obtained. The synthesized water-soluble perylene imide compounds can effectively be embedded between the base pairs of DNA double helix of nucleus and be used as a DNA intercalator. The synthesized water-soluble perylene imide compounds have a planar rigid structure, so that the compounds can be specifically enriched around fixed tissue cell nucleus, the compounds have the advantages of strong fluorescence and easiness in fluorescent imaging, and have a similar effect as the DAPI effect of commercial cell nucleus dye. The synthesized water-soluble perylene imide compounds can effectively inhibit the growth of cancer cells such as U2OS, HTC116, Hela, AGS, etc., and have a very prominent anti-tumor effect.

The invention provides two biological resistive gas sensors made from perylene bisimide derivatives and a method for manufacturing the biological resistive gas sensors. Perylene of the biological resistive gas sensors contains different substituting groups. Source regions and drain regions of the sensors are made from elementary gold; channel regions of the sensors comprise single micrometer wires or nanowires made from two types of perylene bisimide derivatives; and gate dielectric layers of the sensors are made from silicon and silicon dioxide. The biological gas sensors made from the two types of perylene bisimide derivatives are high in sensitivity when in hydrazine hydrate atmosphere, and variation of the sensitivity of each sensor is closely related to molecular structures. The biological resistive gas sensors and the method have the advantages that the hydrazine hydrate atmosphere can be efficiently and quickly detected, the sensors are simple in structure and small in size, and are portable, and the biological resistive gas sensors and the method have a high application prospect in amine gas detection.

The invention relates to a polystyrene high-fluorescence microsphere and a preparation method thereof, according to the invention, a 1, 7-vinyl-perylene bisimide derivative is used as a cross-linkingagent, and the microsphere has fluorescence. The imide site of the 1, 7-vinyl-perylene bisimide derivative has a large-volume substituent, so that molecules are not easy to aggregate, and fluorescenceis not easy to quench. When the fluorescent microsphere is prepared through suspension polymerization, a good solvent of the 1, 7-vinyl-perylene bisimide derivative is added, and the 1, 7-vinyl-perylene bisimide derivative is further dispersed in suspension droplets in a monomolecular state through the good solvent. Polymerization is initiated to form polystyrene microspheres with 1, 7-vinyl-perylene bisimide derivative imide as a cross-linking point, and the cross-linking point is uniformly distributed in a monomolecular form. The 1, 7-vinyl-perylene bisimide derivative imide aggregation fluorescence quenching phenomenon in the fluorescent microspheres is effectively avoided, the fluorescence quantum yield is high, and the fluorescence emission wavelength distribution is narrow.

The invention discloses a one-dimensional organic semiconductor nano material and a preparation method and an application thereof. The material employs a unsymmetrical perylene bisimide derivative monomer as a construction monomer, hydrophilic branched-chain alkyl (5-nonane) and pentafluorophenyl substituent are respectively introduced at two sides of perylene bisimide, and the one-dimensional organic semiconductor nano material can be obtained by self assembly preparation through Pi-Pi interacting of construction monomers. The one-dimensional organic semiconductor nano-material has the advantages of high fluorescence quantum yield, porous performance, large surface area, and good stability, greatly reduces the detection lowest limitation, has good anti-interference capability for an aggregate such as triphosgene and other common gases and organic solvent steam, and realizes specific and high-sensitivity detection on phosgene.

The invention relates to a cell membrane imaging fluorescence probe, in particular to glycosyl-substituted perylene bisimide derivative cell membrane imaging dye. An alkyl chain is introduced into oneend of the derivative, and pyranose is introduced into the other end. The dye can be self-assembled into nano-particles in vitro and enter cells, and then are redistributed in cell membranes, and after the dye is excited, the cell membranes can be specifically imaged. Compared with traditional cell membrane fluorescence dye, the dye is high in biocompatibility and lasting in light and acid stability, and the preparation method is simple, economical and capable of being widely used in cell membrane imaging research, especially, the research on imaging of the cell membranes of tumor cells in aweak acid environment.

The invention discloses a preparation method for a fluorescent star-shaped block copolymer and application of the fluorescent star-shaped block copolymer serving as a medicine carrier. According to the preparation method, the fluorescent star-shaped block copolymer is prepared according to ring opening polymerization by taking amphipathic polylactic acid-polyphosphoester as an arm and taking a perylene bisimide derivative as a core. The fluorescent star-shaped block copolymer is self-assembled in an aqueous solution to form fluorescent supramolecular micelles, have good fluorescence characteristics, and can serve as a fluorescent probe and be used for cell and in-vivo imaging. The fluorescent supramolecular micelles prepared by the preparation method can effectively carry hydrophobic medicines and realize pH stimulation release. The analysis of a laser scanning confocal microscope and a flow cytometer show that the fluorescent supramolecular micelles are easily swallowed by cancer cells and can realize cellular internalization. In in-vitro and in-vivo tumor growth inhibition experiments, compared with a free medicine, the inhibition effect of the fluorescent supramolecular micelles to tumor growth is more obvious, so that the fluorescent supramolecular micelles have potential application value in the fields of biological imaging and cancer treatment.

A fade-resistant fluorescent colorant composition includes a polymer; a fade-susceptible fluorescent colorant, provided the fluorescent colorant is not a perylene imide derivative; and a hindered amine light stabilizer of molecular weight greater than about 1,200 AMU. The hindered amine light stabilizer includes at least one secondary or tertiary hindered amine. A fade-resistant retroreflective article includes the colorant composition and a retroreflective structure, comprising an array of transparent optical elements. Also included are methods for forming the composition and articles.

The invention discloses a perylene imide derivative self-assembly film and an application thereof in preparing electrochromic film devices. The structural formula of the perylene imide derivative self-assembly film is shown as in a first formula, wherein n represents the number of self-assembly layers, n is 4-16, compared with other prior electrochromic materials, the electrochromic material has the advantages of reversible color change, high color contrast, fast response time and the like. The electrochromic material can show the color change from red to purple, the optical contrast can reach61.1%, the response time is 1.23s, and the electrochromic material is a potential electrochromic material.

The invention relates to the field of organic photovoltaic materials, particularly to a triptycene-based perylene imide compound, a preparation method and applications thereof, wherein the triptycene-based perylene imide compound has the structure formula represented by T-1, T-2 or T-3, and R1 are selected from the following any groups: C2-60 alkyl, substituent-containing alkyl, alkoxy, substituent-containing alkoxy, aryl, substituent-containing aryl, alkyl aryl, substituent-containing alkyl aryl, alkyl heteroaryl, substituent-containing alkyl heteroaryl, alkyl heterocycle group and substituent-containing alkyl heterocycle group, and are the same or different. According to the present invention, with the triptycene-based perylene imide compound, the photoelectric conversion efficiency is significantly improved, the design idea is reasonable and effective, the molecular structure is simple, and the synthesis step is short; and the triptycene-based perylene imide compound is the organicsolar cell material with important application prospects. The formulas T-1, T-2 and T-3 are defined in the specification.

The invention relates to a synthetic method and a micrometer wire preparation method of a perylene bisimide derivative. The synthetic method of the perylene bisimide derivative comprises the step of dissolving 1-NO2-3,4 and 9,10-perylene tetracarboxylic acid imidodicarbonic diamide into a polarity organic solvent, stirring and reacting for 4 to 6h at the temperature of 150 to 180 DEG C, dropping a solution after reacting into diluted hydrochloric acid, separating out precipitation, filtering, washing, drying and purifying to obtain a product. Dissolving the perylene bisimide derivative into a chloroformic solution, and preparing into 2x10<-3>mol/L of concentrated solution, taking 2mL of the to-be-used concentrated solution into a test tube, injecting 3 to 5mL of methanol solution into the test tube, and standing for one day, so as to obtain the micrometer wire corresponding to the perylene bisimide derivative. The synthetic method of the compound is simple, the cost is relatively low, the reaction is finished by one step, and the product purity is relatively high. An oxygen atom five-membered ring is introduced in a bay position, so that the conjugate pi system of the plane part of a perylene molecule is increased, and the acting force among the perylene molecules is changed, so that the preparation of the micrometer wire is realized.

The invention discloses a perylene diimide derivative, a preparation method and application of the perylene diimide derivative in preparation of an ATP (adenosine triphosphate) fluorescent probe. Theperylene diimide derivative is shown as a formula (IV), wherein R<+> = R'2(CH3)2N<+>, and R' is linear alkyl with 16-18 carbon atoms, branched alkyl or alkyl with a cyclic alkyl chain. The ATP fluorescent probe prepared from the perylene diimide derivative can selectively and quickly detect ATP, the prepared ATP fluorescent probe is good in chemical stability, high in sensitivity and good in selectivity and can be combined with a commercial fluorescent instrument to achieve quick response and real-time monitoring of the ATP; the perylene diimide derivative is used for preparing the fluorescentprobe high in luminescence performance and capable of quickly selectively analyzing the ATP, the preparation method is simple and convenient, reaction conditions are mild, reaction is performed in ethanol water, environment pollution is avoided, the requirements of green chemical probes are met, synthesis is simple, and products are easy to separate and purify.

The invention provides a perylene bisimide derivative functional graphene/carbon nano tube composite thermal conductive thin film and a preparation method thereof. The thin film is a longitudinal bridging enhanced network formed by bridging highly oriented layered graphene and a perylene bisimide derivative through pi-pi stacking and a one-dimensional multi-walled carbon nanotube. The preparationmethod comprises the steps that (1), graphene, carbon nanotubes and perylene bisimide derivative with the mass ratio being (90-75):(10-25):(0.1-0.3) are mixed and stirred in deionized water, ultrasonic dispersion is uniform, suction filter is conducted, and a film is formed; (2), the film obtained in step (1) is pressed at the mechanical pressure being 8-15 MPa for 5-10 minutes, and the compositethermal conductive thin film can be obtained. According to the composite thermal conductive thin film, not only the longitudinal thermal conductivity is greatly improved, but also the mechanical properties are greatly improved; the defects that an existing graphene thin film is low in longitudinal thermal conductivity and poor in mechanical properties are overcome; meanwhile, the preparation process is simple, large-scale production is easy, and the thin film has broad application prospects.

The invention relates to asymmetric perylene bisimide compounds with star structures and a preparing method thereof, and belongs to the field of organic synthesis. The objective of the invention is to design and prepare the asymmetric perylene bisimide compounds with the star structures. The general structure formula of the compounds is shown as the formula (I). 4,4',4''-triamino triphenylamine and asymmetric perylene bisimide monoanhydride with different alkyl chains are adopted as reaction raw materials. The compounds with the star structures are obtained by adding a certain amount of a catalyst and reaction solvent, and reacting at 90-200 DEG C for 6-18 h according to a certain warming gradient. The compounds with the star structures are good in dissolving capacity, maintain the perylene ring plane structure, and are prone to supramolecular self-assembly in solutions. Formation of the donor-acceptor structure between the triphenylamine and the perylene core facilitates intramolecular charge transfer, broadens the molecular spectral absorption range and shortens the band gap of materials. The compounds with the star structures are widely applied in the fields of supramolecular self-assembly and organic optoelectronic materials.

The invention discloses a method for preparing a polyamine branched chain containing perylene bisimide cathode interface layer. The polyamine branched chain perylene bisimide derivative can be prepared through a step of a simple substitution reaction. The method comprises the following steps: by taking imidazole as a solvent, adding a catalysis amount of zinc acetate, performing a backflow reaction on 3,4,9,10-tetracarboxylic dianhydride and tetraethylene pentamine over night; after the reaction is completed, cooling to a room temperature, adding a great amount of acetone, stirring for three hours, filtering off imidazole and tetraethylene pentamine which is not completely reacted, filtering filtrate, dissolving the filtrate with methanol, performing spinning drying on a solvent by using aneutral aluminum oxide column, and drying in vacuum, thereby obtaining a purple solid product. As a branch chain comprises polyamine, environmental-friendly polar solvent processing such as water/alcohol can be achieved by using the n-shaped perylene bisimide derivative, the work function can be reduced, the morphology of an upper active layer can be improved, and the problem of interface thickness sensitivity can be solved. The cathode interface layer can be used as a cathode interface layer of devices such as photovoltaic cells, LEDs and FETs in large-scale printing production.

The invention provides a perylene bisimide derivative and an application thereof, and belongs to the technical field of biological medicines, the perylene bisimide derivative is a compound with a structural formula shown in the specification, and the derivative can be used for detecting the distribution of the compound in organs and organelles by utilizing fluorescence imaging, and has lung and mitochondria advantage distribution characteristics. Compared with a first-line anti-lung cancer drug cis-platinum, the compound can improve the lung cancer tumor cell proliferation inhibition capability, the half inhibition concentration is about 16-48% of cis-platinum, and in-vivo tumor proliferation can be efficiently inhibited.

The invention discloses a preparation method of a nucleolus targeted photo-thermal reagent based on perylene bisimide and an application thereof. The preparation method comprises the following steps: firstly, reacting liquid bromine with perylene anhydride to obtain bromine-substituted perylene bisimide; and then introducing substituent groups into an imide site and a bay site through a reaction between amino and acid anhydride and a nucleophilic substitution reaction between amino and bromine, so as to obtain the perylene bisimide-based nucleolus targeted photo-thermal reagent. The photo-thermal reagent designed and synthesized by the invention is a compound capable of generating strong specific binding with nucleic acid, the binding force enables the photo-thermal reagent to be rapidly taken by cells (within three minutes) and enriched to a nucleolus part with concentrated DNA and RNA, and the targeting effect on the nucleolus is superior to that of a commercial dye nucleolus green. The photothermal reagent designed and synthesized by the invention is good in water solubility, good in light, heat and chemical stability, high in absorbance in a near-infrared region, good in photothermal conversion efficiency and excellent in photothermal killing effect on tumor cells, and can realize photothermal therapy of cancer cells.

The invention discloses a perylene tetracarboxylic acid diimide (CN-PDI) compound as well as a preparation method and application thereof. The perylene tetracarboxylic acid diimide (CN-PDI) compound is synthesized by the invention for the first time, and the synthetic steps are as follows: (1) tetrachloroperylene tetramethyl dianhydride and normal hexyl amine are taken as reactants and are subjected to reaction for 12-14 hours under nitrogen protection with methylbenzene as a medium; (2) a product obtained in step 1, 3,5-difluoro-4-cyanophenol and K2CO3(potassium carbonate) are taken as reactants and are subjected to reaction for 8-9 hours under nitrogen protection with N-methylpyrrolidone as a medium. An ITO interdigital electrode is dropwise coated with the perylene tetracarboxylic acid diimide (CN-PDI) compound uniformly to obtain a triethylamine gas sensor. According to the compound as well as the preparation method and application thereof, the advantages of good responsiveness, high sensitivity, fast response and recovery time, good repeatability and strong selectivity are realized on triethylamine with different concentrations; the preparation is simple, the production cost is low, environmental protection is realized, and the compound can be used for real-time detection of triethylamine with low concentration in the environment.

The invention discloses a novel, stable and good-solubility D-A polymer based on conjugate plane expansion of 3,4,9,10-perylenetetracarboxylic diimide and a preparation method of the D-A polymer. Thepolymer effectively improves the device performance of an organic semiconductor. The structural general formulas of the D-A polymer based on the conjugate plane expansion of 3,4,9,10-perylenetetracarboxylic diimide are shown as formulas (I) and (II). In the formulas, R and R'are C5-C18 fork chains or straight chains, and n is a positive integer in a range of 1 to 100.