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62 results about "Perylenetetracarboxylic dianhydride" patented technology

Perylenetetracarboxylic dianhydride (PTCDA) is an organic dye molecule and an organic semiconductor. It is used as a precursor to a class of molecules known as Rylene dyes, which are useful as pigments and dyes. It is a dark red solid with low solubility in aromatic solvents. The compound has attracted much interest as an organic semiconductor.

Monodisperse laser-responsive photoinducedly-movable one-dimensional organic semiconductor microbelt, and preparation method and application thereof

The invention relates to a monodisperse laser-responsive photoinducedly-movable one-dimensional organic semiconductor microbelt which can convert luminous energy into mechanical energy at a microscopic scale so as to make other things work, and a preparation method and application thereof. The one-dimensional organic semiconductor microbelt is obtained through self-assembly of a plurality of perylene bisimide derivatives having same substituents at two ends and containing 3,4,9,10-perylenetetracarboxylic dianhydride in virtue of pi-pi interaction among 3,4,9,10-perylenetetracarboxylic dianhydride. In the absorption wavelength range of a construction monomer molecule and under irradiation by laser with laser intensity density of greater than or equal to 40 mW/cm2, the one-dimensional organic semiconductor microbelt continuously moves on the surface of a hydrophobic substrate under excitation, and the moving manner of the microbelt is directly related to the structure of construction monomers composing the one-dimensional organic semiconductor microbelt while the moving speed of the microbelt is directly related to provided laser intensity density. Thus, the moving manner of the one-dimensional organic semiconductor microbelt can be controlled by adjusting the structure of construction monomers composing the one-dimensional organic semiconductor microbelt.
Owner:INST OF CHEM CHINESE ACAD OF SCI

Preparation method of amphipathic asymmetric double-ion perylene bisimide dye and application thereof in marking cell membranes

The invention discloses amphipathic asymmetric double-ion perylene bisimide dye, a preparation method thereof and application thereof in a living cell membrane mark fluorescence imaging aspect and belongs to the technical field of biomarker. According to the preparation method, sea island position chlorine or bromine-substitution perylene tetracarboxylic dicarboxylic anhydride or sea island position unmodified perylene tetracarboxylic dianhydride is utilized as fluorophore, and a hydrophobic alkyl chain and a hydrophilic double-ion radical are respectively led into two ends to obtain the amphipathic asymmetric double-ion perylene bisimide dye. By means of leading into the double-ion radical, water solubility and biocompatibility of a whole structure are improved, and cellular poison of the whole structure is reduced. The dye can be applied to external and internal cell membrane mark fluorescence imaging. As perylene with good photochemical stability and near-infrared emission wavelength is utilized as the fluorophore, effective marking time is greatly improved in a biological living cell membrane imaging process through an electrostatic force effect between a double-ion structure and a membrane structure, and time duration can be 72 hours or more.
Owner:BEIJING UNIV OF CHEM TECH

Preparation method of fluorescent dye and water-soluble near-infrared fluorescent probe

The invention provides a preparation method of a fluorescent dye and a water-soluble near-infrared fluorescent probe, and belongs to the technical field of chemical synthesis. The invention provides aperylene diimide derivative, wherein R1 is a conjugated group with aggregation-induced emission characteristics, and R2 is pyridinium salt with alkyl chains of different lengths, PEG (polyethylene glycol) with different chain lengths or tri-PEG benzene. The derivative is prepared from 3,4,9,10-perylenetetracarboxylic dianhydride as a raw material through the following chemical reactions: (1) 3,4,9,10-perylenetetracarboxylic dianhydride and bromine are subjected to a reaction in a molar ratio of 1 to (1 to 10) to obtain 1,7-dibromo-3,4,9,10-perylenetetracarboxylic dianhydride; (2) 1,7-dibromo-3,4,9,10-perylenetetracarboxylic dianhydride and trimethyl tin-tetraphenyl ethylene are subjected to a reaction under the catalysis of Pd(PPh3)4 to obtain a coupling product; and (3) the coupling product and an amine-terminated compound are subjected to a reaction, and the reaction product is bonded with hydrophilic pyridine bromide onium salt or PEG in an anhydride position to obtain the target product. The obtained water-soluble fluorescent material can be used for near-infrared cell imaging.
Owner:SUZHOU UNIV

Surfactant as well as preparation method and application thereof

The invention provides a surfactant as well as a preparation method and application thereof. The surfactant has relatively high surface activity and good foaming and foam stabilization effects. The molecule of the surfactant comprises 4 hydrophobic chain segments and hydrophilic units, wherein the hydrophobic chain segments are alkyl chains containing 8-18 carbon and the hydrophilic units are quaternary ammonium salt radicals; and the hydrophobic chain segments and the hydrophilic units are in covalent linkage at the part adjacent to quaternary ammonium salt through a bridge connection unit with an aromatic ring structure. The preparation method comprises the following steps: firstly, enabling aromatic tetracarboxylic dianhydride and dibromoethane to react, so as to generate an intermediate with four branch chains; and then enabling the intermediate and alkyl dimethyl tertiary amine to react so that the intermediate is modified with the quaternary ammonium salt radicals with positive charges and hydrophilic carbon chains, wherein the aromatic tetracarboxylic dianhydride is pyromellitic dianhydride, 1,4,5,8-naphthalenetetracarboxylic dianhydride or 3,4,9,10-perylenetetracarboxylic dianhydride, and the alkyl dimethyl tertiary amine is R-N(CH3)2, wherein R is CH3(CH2)n and n is an integer of 7-17.
Owner:JIANGSU SOBUTE NEW MATERIALS +1

Preparation method of electrochemical impedance electrode for detecting bacteria

InactiveCN110618178AHigh yieldThe reaction mechanism is simple and matureMetallic material coating processesMaterial impedanceEscherichia coliSolubility
The invention discloses a preparation method of an electrochemical impedance electrode for detecting bacteria. By taking polyhexamethylene guanidine and 3,4,9,10-perylenetetracarboxylic dianhydride asraw materials and through a simple anhydride ammonolysis reaction, a novel macromolecule bactericidal disinfectant, namely perylene polyhexamethylene guanidine is synthesized. Through the product, not only is the antibacterial activity of the polyhexamethylene guanidine improved, but also the poor water solubility of perylene derivatives is significantly overcome. Aiming at the seven kinds of polyhexamethylene guanidine with different perylene contents, the relationship between the antibacterial activity of the polyhexamethylene guanidine and the perylene grafting amount of a polymer is studied. Finally, the electrode which can be used for bacterial detection is prepared by combining the perylene polyhexamethylene guanidine with a graphene oxide material. By testing the change of an alternate-current impedance value, it is observed that the electrode can effectively capture and kill the bacteria, is high in sensitivity and can well detect escherichia coli and staphylococcus aureus suspensions with the low concentrations.
Owner:TIANJIN UNIVERSITY OF TECHNOLOGY

Preparation method and application of perylene non-covalently modified graphene

InactiveCN106977880ABroaden other fields of applicationEasy to makeEpoxyPerylenetetracarboxylic dianhydride
The invention discloses a preparation method and application of perylene non-covalently modified graphene. The preparation method comprises the following steps: adding 0.02g of graphene in 80mL of N-methylpyrrolidone, carrying out ultrasonic dispersion for 0.5-1h, then adding 0.0037g of zinc acetate, 0.0392g of 3,4,9,10-Perylenetetracarboxylic dianhydride and 0.0242g of trihydroxymethyl aminomethane, continuously carrying out ultrasonic dispersion for 0.5-1h, then carrying out reaction for 10-14h at the temperature of 180 DEG C at the nitrogen atmosphere, pouring a reaction liquid in anhydrous alcohol to carry out precipitation and material discharge after reaction is finished, filtering a product, and vacuum drying an obtained filtrate to obtain a purple-black product, i.e. the perylene non-covalently modified graphene. The perylene non-covalently modified graphene can be applied to the technical field of epoxy resin-based composite or high-performance shape-memory polymer preparation. The preparation method and the application are very simple in preparation process and are liable to popularize; and in addition, the prepared perylene non-covalently modified graphene can be used for preparing the epoxy resin-based composite and high-performance shape-memory polymer and fully utilizes the synergetic enhancement effect of perylene and graphene in performance.
Owner:广西涵誉成实验设备有限公司

Mitochondrion 3,4,9,10-perylenetetracarboxylic dianhydride targeting fluorescent probe and application thereof

The invention discloses a mitochondrion 3,4,9,10-perylenetetracarboxylic dianhydride targeting fluorescent probe and an application thereof. The molecular formula of the mitochondrion 3,4,9,10-perylenetetracarboxylic dianhydride targeting fluorescent probe is C104H108Br2N4O18P2, and the molar mass of the fluorescent probe is 1923.74. The mitochondrion 3,4,9,10-perylenetetracarboxylic dianhydride targeting fluorescent probe is characterized in that two sides of a fluorophore 3,4,9,10-perylenetetracarboxylic diimide are connected with two water-soluble PEO chains, and the hydrophilicity of the probe is improved greatly; by means of presence of a linking group, the whole conjugate plane is enlarged, and the fluorescence property of the probe is improved; a triphenylphosphine cation is introduced to the position of the linking group, so that the linking group serving as a targeting group can be specifically bound to the mitochondrion. The invention further provides the application of the mitochondrion 3,4,9,10-perylenetetracarboxylic dianhydride targeting fluorescent probe in living cell imaging and provides an application method of the mitochondrion 3,4,9,10-perylenetetracarboxylic dianhydride targeting fluorescent probe. Experiments prove that the fluorescent probe enters cells easily, is good in cell uploading rate and good in cell permeability and cannot produce cytotoxicity.
Owner:HEBEI UNIVERSITY

Method for preparing shape memory polymer through non-covalent modification on graphene by 3,4,9,10-perylenetetracarboxylic dianhydride

The invention discloses a method for preparing a shape memory polymer through non-covalent modification on graphene by 3,4,9,10-perylenetetracarboxylic dianhydride. The method includes adding 0.02 g of graphene into 80 milliliters of N-methylpyrrolidone, performing ultrasonic dispersion for 0.5-1 hour, adding 0.0037 g of zinc acetate, 0.0392 g of 3,4,9,10-perylenetetracarboxylic dianhydride and 0.0242 g of tris(hydroxymethyl)aminomethane, continuing to perform ultrasonic dispersion for 0.5-1 hour, reacting in a nitrogen atmosphere for 10-14 hours at 180 DEG C, pouring reaction liquid into absolute ethyl alcohol to precipitate and discharge after the reaction is terminated, filtering, subjecting a filtered substance to vacuum drying to obtain graphene non-covalently modified by the 3,4,9,10-perylenetetracarboxylic dianhydride, and enabling the graphene non-covalently modified by the 3,4,9,10-perylenetetracarboxylic dianhydride to react with HDI and polycaprolactone diol so as to obtain the shape memory polymer. The method has the advantages that the method is simple to operate, particularly, a preparation process of the graphene non-covalently modified by the 3,4,9,10-perylenetetracarboxylic dianhydride is quite simple and easy to popularize, and synergetic enhancement effect of the 3,4,9,10-perylenetetracarboxylic dianhydride and the graphene in terms of performance is fully utilized, so that the prepared shape memory polymer is excellent in mechanical performance, shape memory performance and thermal performance.
Owner:GUILIN UNIVERSITY OF TECHNOLOGY

Preparation method of all-organic composite photocatalytic material for photocatalytic production of hydrogen peroxide

The invention discloses a preparation method of an all-organic composite photocatalytic material for photocatalytic production of hydrogen peroxide, and the preparation method specifically comprises the following steps: firstly, calcining a nitrogen-containing precursor in a muffle furnace, and grinding to obtain g-C3N4; the preparation method comprises the following steps: uniformly mixing g-C3N4 with 1, 6, 7, 12,-tetrachloro-3, 5, 9, 10-perylenetetracarboxylic dianhydride, calcining and grinding in an inert gas atmosphere, cleaning the obtained sample with methanol and deionized water until the supernatant is colorless, centrifuging, drying and grinding. According to the all-organic composite photocatalytic material prepared by the invention, an all-organic heterojunction is formed between 1, 6, 7, 12,-tetrachloro-3, 5, 9, 10-perylene tetracarboxylic diimine and g-C3N4, and chlorine atoms are substituted at the bay position of perylene tetracarboxylic diimine, so that electron migration in carbon nitride is promoted, separation of current carriers is facilitated, the recombination rate of electron-hole pairs is reduced, and the photocatalytic efficiency is improved. The photocatalytic hydrogen peroxide production capability is improved.
Owner:SHAANXI UNIV OF SCI & TECH

Organic light-emitting superlattice film as well as preparation method and application thereof

The invention discloses an organic light-emitting superlattice film and a preparation method and application thereof, and belongs to the field of organic semiconductor photoelectric materials. The organic light-emitting superlattice film is an organic light-emitting film formed by alternate epitaxial growth of two two-dimensional organic molecules on the surface of a substrate, and the two-dimensional organic molecules are selected from 3,4,9,10-perylenetetracarboxylic dianhydride, N,N'-dimethyl-3,4,9,10-perylenetetracarboxylic diimide, N,N'-dioctyl-3,4,9,10-perylenedicarboximide and 3,4,9,10-Perylenetetracarboxylic diimide. The preparation method comprises the following steps: placing a growth source material of a first two-dimensional organic molecule and a substrate at different positions of a tube furnace, and epitaxially growing a first layer of organic light-emitting film on the surface of the substrate; replacing a growth source material with a second two-dimensional organic molecule, and growing a second layer of organic light-emitting film; and repeatedly replacing the growth source material, and alternately growing multiple layers of organic light-emitting films to obtainthe organic light-emitting superlattice film. The organic light-emitting superlattice thin film has high quality and high light-emitting intensity, and can be used as a light-emitting layer of an organic light-emitting field effect transistor.
Owner:NANJING UNIV

Zinc ion battery based on manganese dioxide-based positive electrode and polyimide-based negative electrode and preparation method of zinc ion battery

The invention discloses a zinc ion battery based on a manganese dioxide-based positive electrode and a polyimide-based negative electrode and a preparation method of the zinc ion battery. The zinc ion battery comprises a positive electrode, a negative electrode, an electrolyte and a diaphragm, the positive electrode adopts a manganese dioxide electrode material, the negative electrode adopts a polyimide organic electrode material, and the electrolyte is an aqueous solution containing zinc ions; wherein the polyimide is prepared by taking 3, 4, 9, 10-perylenetetracarboxylic dianhydride and diaminodiphenyl ether as reaction monomers. The manganese dioxide is used as the positive electrode material, and the polyimide is used as the negative electrode material, so that the voltage window of the water-based zinc ion battery is improved; the obtained zinc ion battery has relatively high voltage window (V = 1.6 V) and energy density; meanwhile, crystal dendrite growth does not exist in the negative electrode of the zinc ion battery, and ideal charge-discharge cycle stability can be obtained; the obtained zinc ion battery has the advantages of high capacity, environmental friendliness, safety, low cost and the like, and is beneficial to industrial popularization and application.
Owner:WUHAN INSTITUTE OF TECHNOLOGY
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