71 results about "Phenazine" patented technology

The invention provides a diaphragm and a secondary battery, and belongs to the technical field of secondary batteries, and the diaphragm comprises a base membrane and a coating. Wherein the coating is arranged on one surface, facing the positive pole piece, of the base film, and the coating comprises an electroactive material and a binder; the electroactive material comprises at least one of a quinone derivative, a phenazine derivative, an imide derivative and a phenothiazine derivative. The electroactive material in the diaphragm coating can be dissolved in the electrolyte after the environment temperature reaches the thermal safety critical temperature, and reacts with the positive and negative active materials, so that the charge state of the battery is quickly reduced, and the thermal runaway of the battery is inhibited or even avoided.

The present application relates to the technical field of soil remediation, and discloses a composite microbial inoculum for activating reverse conversion of oxidized iron in dry land soil and application thereof.The composite microbial inoculum comprises aerobic iron-reducing bacteria and phenazine electron shuttles.The present application mediates the aerobic iron-reducing process of the aerobic iron-reducing bacteria strain through the phenazine electron shuttles, significantly improves the electron transfer efficiency, enhances the iron-reducing capacity, and can efficiently generate high-activity weak-crystalline iron oxide under aerobic conditions, thereby breaking through the limitation of traditional iron reduction relying on anaerobic environment;by promoting the reverse conversion of high-crystalline oxidized iron to weak-crystalline oxidized iron, the mineral interface activity is improved, the fixation capacity for Cd, Pb, As and other multi-metals in dry land soil is significantly enhanced, the biological availability thereof is reduced, the biological toxicity and migration risk thereof are greatly weakened, the remediation process is stable, the risk of secondary pollution is low, and the present application has good application prospect and popularization value in the field of heavy metal contaminated soil remediation.

The present invention relates to electrolyte compositions comprising distinct redox-active compounds, namely, a redox-active compound, which is phenazine or a phenazine derivative, and a distinct redox-active compound, which is not phenazine or a phenazine derivative. The present invention also relates to the use of such electrolyte compositions as redox flow battery electrolytes. Accordingly, the invention further provides a redox flow battery comprising said compositions.

This invention discloses a method for the biosynthesis and application of fluorinated phenazine and its derivatives, belonging to the field of bioengineering technology. The invention aims to provide a method for synthesizing fluorinated phenazine and its derivatives. Specifically, it provides an in vitro enzyme cascade catalytic reaction method for synthesizing fluorinated phenazine and its derivatives, in which halogenated methyltransferase HMT1 and O-methyltransferase LaphzM, or halogenated methyltransferase HMT1 and N-methyltransferase PhzM, are added to a reaction buffer containing 1-hydroxyphenazine and its derivatives to obtain fluorinated phenazine and its derivatives. The enzyme concentrations of halogenated methyltransferase HMT1 and O-methyltransferase LaphzM are 2:1; the enzyme concentrations of halogenated methyltransferase HMT1 and N-methyltransferase PhzM are 2:1. This establishes a pathway for the synthesis of fluorinated phenazine from 1-hydroxyphenazine and its derivatives, providing a new approach for the biosynthesis of fluorinated phenazine.

The invention discloses a photo-assisted self-charging battery based on a phenazine positive electrode material and a preparation method of the photo-assisted self-charging battery, and belongs to the technical field of aqueous zinc batteries, a phenazine organic matter electrode with electrochemical activity and photo-response activity is used as a zinc ion storage material, and in a safe and environment-friendly aqueous electrolyte, the photo-assisted self-charging battery is prepared. The self-charging process of the organic matter electrode is realized under the photo-assisted condition by utilizing the electron hole transmission characteristic of the nitrogen-containing hybrid organic matter, and the discharge product of the phenazine organic matter electrode absorbs photons to generate electron hole pairs under the photo-assisted effect under the condition of no external power supply through the photo-assisted effect of solar energy, so that the nitrogen-containing hybrid organic matter is charged. Then, holes are diffused to the hole transport layer, electrons are injected into the electron transport layer to form voltage, and the self-charging dezincification process of the electrode is achieved by means of charge / carrier separation.

The invention belongs to the field of organic synthesis, and particularly relates to a synthetic method of a diaryl methane compound. A toluene derivative as shown in a formula 1, an aryl iodide as shown in a formula 2 and a styrene derivative as shown in a formula 3 are subjected to a reaction in the presence of a catalytic amount of PdCl2 (dppf) and 4, 6-di (diphenylphosphine) phenazine and an equivalent amount of LiN (SiMe3) 2 and CsF to synthesize the diaryl methane compound as shown in a formula 4. The coupling reaction of the toluene derivative, the aryl iodide and the styrene derivative is realized by adopting a catalytic amount of PdCl2 (dppf), and the palladium catalyst shows obvious catalytic performance.

The invention belongs to the field of metal ion battery material synthesis, and particularly provides a sulfur-doped oxygen-nitrogen-enriched conjugated organic material and application thereof in Li < + > / Zn < 2 + > ion batteries. The preparation method comprises the following steps: firstly, preparing 2, 3, 8, 9, 14, 15-hexachlorodiquinoline [2, 3-a: 2 ', 3'-c] phenazine (HANT-Cl) by taking cyclohexanehexone and dichlorobenzene diamine as raw materials, and then synthesizing 6S6O and the derivative thereof by taking HATN-Cl, sodium sulfide nonahydrate and a naphthoquinone derivative as raw materials. The obtained electrode material contains a plurality of oxidation-reduction active sites, multi-electron storage can be carried out, the transfer rate of electrons is improved through the large pi conjugated structure of the conjugated quinoneazine material, and therefore the high theoretical specific capacity and the excellent rate performance are achieved. Due to the addition of the sulfur element, the oxidation-reduction potential of the material is improved, the energy density of a battery can be improved, and the material has a wide application prospect in a Li < + > / Zn < 2 + > ion battery system.

This invention belongs to the field of bioengineering and provides a method for constructing *Pseudomonas aeruginosa* strains that produce 2-hydroxyphenazine and its applications. This invention uses Qlu-1-3 from patent ZL202011026637.X as the starting strain, and achieves this by knocking out a gene that inhibits phenazine synthesis in the genome. mdtA , gspM The gene enabled the engineered strain to produce 2-hydroxyphenazine at concentrations of 156.3 mg / L and 216.4 mg / L, laying the foundation for the subsequent production of 2-OH-PHZ using Pseudomonas aeruginosa.

The invention provides a benzo [b] phenazine-1, 2, 3, 4, 6, 11-hexanone derivative and a preparation method and application thereof.The benzo [b] phenazine-1, 2, 3, 4, 6, 11-hexanone derivative is of an asymmetric multi-carbonyl quinone phenazine structure, contains a plurality of oxidation-reduction active sites and can show excellent oxidation-reduction performance, molecules of the benzo [b] phenazine-1, 2, 3, 4, 6, 11-hexanone derivative are of a conjugated structure, hydrogen bonds exist between the molecules, and the structure of the benzo [b] phenazine-1, 2, 3, 4, 6, 11-hexanone derivative can be used for preparing the benzo [b] phenazine-1, 2, 3, 4, 6, 11-hexanone derivative. And the material is difficult to dissolve in an electrolyte, and has stable electrochemical performance in an ion battery. The preparation method of the benzo [b] phenazine-1, 2, 3, 4, 6, 11-hexanone derivative comprises the following steps: carrying out condensation reaction on a 2, 3-diaminonaphthalene-1, 4-diketone derivative and 2, 3, 5, 6-tetrahydroxy-1, 4-benzoquinone to obtain an intermediate; and then oxidizing the intermediate to obtain the benzo [b] phenazine-1, 2, 3, 4, 6, 11-hexanone derivative disclosed by the invention.

The compounds represented by the following general formula exhibit excellent luminescent properties. Ar 1 Represents benzene ring, naphthalene ring, phenanthrene ring, etc.; D represents 5H-indol[3,2,1-de]phenazin-5-yl, etc.; A represents cyano, phenyl, pyrimidinyl, triazolyl, etc.; m represents 1 or 2; n represents 0 to 2; R 1 ~R 4 It represents H, aryl, cyano, etc.

The invention belongs to the technical field of flow batteries, and particularly relates to an electrolyte for a flow battery, a preparation method of the electrolyte and the flow battery. The electrolyte comprises an alkali solution, a zinc salt, a phenazine additive and a solvent, wherein the structural general formula of the phenazine additive is shown as a formula I or a formula II: (formula I) and (formula II); in the formula I and the formula II, R1 is an electron donor functional group, and R2 is a hydrophilic functional group. According to the electrolyte disclosed by the invention, the redox medium function of the phenazine additive is utilized, dead zinc losing electric contact can be reconverted into zinc with electrochemical activity, and meanwhile, hydrogen evolution side reaction is inhibited, so that the cycle life of the flow battery is remarkably prolonged. The preparation method of the electrolyte is simple and convenient, the formula can be flexibly adjusted according to actual requirements, the cost is low, and the electrolyte required by the flow battery can be rapidly prepared.

The invention discloses a substituent-modified phenazine leveling agent, an acid copper plating solution and a preparation method and application thereof, chlorine atoms are introduced to a specific position of phenazine for modification, so that the acid copper plating solution containing the leveling agent has a high pore filling rate while obtaining a high-brightness plating layer, and the pore filling capacity of the leveling agent at a low concentration is effectively improved; and resource saving and cost reduction are facilitated. The total synthesis of the chlorine atom modified phenazine leveling agent is realized by using a chlorine-substituted raw material, and no complex reaction process and harsh reaction conditions exist, so that the method has industrial value.

The invention belongs to the field of electrochemical sensors, and discloses an anti-pollution microelectrode for identifying pseudomonas aeruginosa strains and detecting phenazine spatial distribution of the pseudomonas aeruginosa strains as well as a preparation method and application of the anti-pollution microelectrode. The anti-pollution microelectrode comprises a carbon fiber electrode base body, a Fe-HHTP-PDA composite substrate layer and a Fe-HHTP-SBMA anti-pollution layer. The two-dimensional conductive metal organic framework material Fe-HHTP is doped in the anti-pollution layer based on the PDA substrate and the SBMA, so that the problem of signal attenuation caused by insulativity of the anti-pollution layer is successfully solved; by virtue of a two-dimensional ordered structure and a mixed valence iron node, the Fe-HHTP not only serves as a conductive bridge to maintain electron transmission, but also specifically catalyzes an oxidation-reduction reaction of phenazine substances, so that the anti-pollution function is realized, and meanwhile, the detection sensitivity is maintained and even improved. The preparation method is simple and convenient to operate and controllable in modification, and does not need a traditional high-pressure and high-temperature process.

The invention discloses a pyridyl phenazine water-based positive electrode material as well as a preparation method and application thereof, and relates to the technical field of water-based positive electrode materials. The pyridyl phenazine compound provided by the invention is used as an aqueous battery positive electrode material, solves the problems of structural collapse and capacity fading caused by hydration metal ion insertion of the existing inorganic material, is based on a surface functional group synergistic reaction mechanism, is stable in structure, and shows excellent electrochemical performance when being applied to an aqueous zinc ion battery. The synthesis method of the material is simple, the reaction condition is mild, large-scale production and commercial application are facilitated, and the material can also be applied to various aqueous batteries and has wide application prospects.

This patent application discloses a near-infrared material suitable for solution processing, its preparation method, and its applications, relating to the field of organic light-emitting materials. The solution-processable near-infrared material of this patent application consists of a rigid electron acceptor fragment and a bulky electron donor fragment (N-(9,9-bis(4-(tert-butylphenyl)-9H-fluorene-2-yl)amino)-9,9-bis(4-(tert-butylphenyl))-N-phenyl-9H-fluorene-2-amine), wherein the electron acceptor fragment is diphenyl[a,c]phenazine-11,12-dinitrile. This material is a near-infrared material with thermally activated delayed fluorescence properties, and the fabricated device has a maximum external quantum efficiency of 8.33%.

The invention discloses a phosphonic acid group modified phenazine negative electrode electrolyte as well as a preparation method and application thereof, and relates to the technical field of flow batteries. The phenazine negative electrode electrolyte has a structure shown in the specification, wherein R, R1, R2, R3, R4, R5 and R6 are respectively one of-H,-OCH3,-OCnH2nCH3,-Me,-F,-Cl,-Br,-I,-CnH2nCH3,-OCnH2nPO3H2 and-CnH2nPO3H2, at least one of R, R1, R2, R3, R4, R5 and R6 is-OCnH2nPO3H2, and n is a positive integer. The phenazine negative electrode electrolyte material disclosed by the invention realizes relatively high solubility, stable chemical properties and physical properties and relatively high battery cycle stability, and is suitable for near-neutral aqueous organic salt cavern flow batteries.

This invention relates to a bipolar organic material, its preparation method, and its application in sodium-ion batteries, belonging to the field of organic electrode materials technology. The bipolar organic material is prepared from 4,4-dibromoazobenzene, 5,10-dihydrophenazine, 2-bicyclohexylphosphine-2',6'-diisopropoxybiphenyl (Ruphos), [2'-(amino)[1,1'-biphenyl]-2-yl][[2',6'-di(1-methylethoxy)[1,1'-biphenyl]-2-yl]dicyclohexylphosphine]palladium chloride (Ruphos Pd G2), and sodium tert-butoxide. Because the chemical structure of this material simultaneously contains substances that can react with sodium... + Azo units for reversible storage and for ClO4 ‑ The phenazine unit stores anions, thus exhibiting bipolar characteristics. When used as a cathode material in coin cells, it demonstrates excellent electrochemical performance. Its preparation method is simple, easy to operate, and suitable for large-scale industrial production.

The application discloses application of a phzB-G gene in synthesis of phenazine-1,6-dicarboxylic acid. The application is that the phzB-G gene is connected with an integrated plasmid, and then integrated into a Streptomyces genome to construct a Streptomyces engineering strain, which is used for synthesizing phenazine-1,6-dicarboxylic acid. The Streptomyces engineering strain constructed by the application can stably and specifically synthesize phenazine-1,6-dicarboxylic acid, and further through screening of different promoters, the synthesis yield can be greatly improved.

The application discloses a fungicidal composition, which comprises imazalil and phenoxazine-1-carboxylic acid with a mass ratio of 0.5-5:1, or the fungicidal composition comprises imazalil and phenoxazine-1-carboxylic acid with a mass ratio of 1:3.4-5.5. The fungicidal composition has a synergistic effect on the prevention and treatment of rice sheath blight, strawberry gray mold or pepper anthracnose.

This invention relates to a photosensitizer with a D1-π-A-π-D2 type structure based on asymmetric end-capped donor units. This material is characterized by using 4-(5-(4-(9H-carbazole-9-yl)phenyl)) as donor units (D1) and 5-(4-(diphenylamino)phenyl) as donor units (D2), with isooctylthiophene as the connecting π-bridge, and phenazine as the central acceptor unit (A), specifically naphthiazo[1,2-b][1,2,5]thiadiazo[3,4-g]quinoxaline and [1,2,5]thiadiazo[3,4-i]dithienozo[2,3-a:3',2'-c]phenazine. The photophysical properties of this D1-π-A-π-D2 type photosensitizer were tested, and a novel photosensitizer with high photothermal conversion efficiency and high reactive oxygen species (ROS) yield was developed. The material involved in this invention has near-infrared II region imaging and photothermal in-situ imaging diagnostic functions, and is expected to be used as an organic photosensitizer material for integrated photothermal and photodynamic diagnosis and treatment.

This invention relates to the field of genetic engineering technology, and provides a method for high-yield production of 2-hydroxyphenazine using Pseudomonas aeruginosa, using strain Qlu-1ΔHΔPΔO as the starting strain, and knocking out pykA Genes were used to obtain strain Qlu-1ΔHΔPΔO-1; pykA The gene sequence is shown in SEQ ID NO. 1. This invention uses *Pseudomonas aeruginosa* Qlu-1ΔHΔPΔO from ZL 202210461035.X as the starting strain, and employs a scarless knockout method... pykA Genes were used to obtain the engineered strain Qlu-1ΔHΔPΔO-1. After fermentation and yield testing, it was found that the 2-hydroxyphenazine yield of Qlu-1ΔHΔPΔO-1 was increased to 321.2 mg / L, thus achieving an increase in the yield of 2-hydroxyphenazine in the strain.

The application provides a phenoxazine compound and application thereof, and relates to the technical field of organic electroluminescent materials. The phenoxazine compound can effectively improve the photoelectric performance and service life of an OLED device as a hole transport material.

The application discloses a kind of based on multi-pyridine modified phenazine derivative fluorescent probe and its synthesis method and application, the fluorescent probe with the N,N'-disubstituted-dihydrodibenzo [a, c] phenazine of tunable multiple fluorescence as one fluorescent group and skeleton in it and at its both ends 4-([2,2':6',2"-terpyridyl]-4'-group) phenyl containing multiple pyridine groups are modified to increase its water solubility and environmental sensitivity.The synthesis method of the fluorescent probe of the application is simple, the requirement of low instrument equipment, suitable for amplification production, it has both polar sensitive characteristics, and has the advantages such as good chemical stability, fast response, high degree of fluorescence visualization, can be directly detected, can detect different organic solvents, trace or trace water in organic solvent and different models of gasoline, realize instant, on-line determination of the polarity difference of solution phase sample.

The application provides a genetically engineered bacterium for promoting production of phenazine-1-carboxylic acid by enhancing a synthesis pathway, and uses a green needle Pseudomonas aeruginosa genetically engineered bacterium QPCA Delta DTH as a starting strain, introduces an aroC gene into a site where a hppA gene is knocked out in the green needle Pseudomonas aeruginosa genetically engineered bacterium QPCA Delta DTH to obtain a strain QPCA Delta DTH:C; and / or introduces a phzIR gene into a Detg gene site of the strain QPCA Delta DTH:C to obtain a QPCA Delta DTH:C:IR genetically engineered bacterium. The aroC gene and the phzIR gene are integrated into the genome to enhance a phenazine synthesis precursor pathway, a shikimic acid pathway and a phenazine synthesis pathway, so that the yield of phenazine-1-carboxylic acid of the initial strain is increased from 4787.2 mg / L to 7746 mg / L.

The application discloses a high-purity 2-hydroxyphenazine compound and a purification method thereof, successfully separates and purifies a large amount of 2-hydroxyphenazine compound from a green needle pseudomonas fermentation liquor, and comprises the following steps: centrifuging the green needle pseudomonas fermentation liquor to remove bacterial bodies to obtain a sample liquid; using a macroporous adsorption resin column to perform dynamic adsorption on the sample liquid until saturation adsorption; using a low-concentration ethanol aqueous solution to elute impurities on the macroporous adsorption resin column; using a higher-concentration ethanol aqueous solution as an eluent to desorb, to obtain a desorption liquid; removing the eluent in the desorption liquid to obtain 2-hydroxyphenazine purified products. The recovery rate of the method reaches 93.01+5.95%, has the advantages of simple operation, environmental protection and no pollution, and has wide application value in industrialized large-scale production.

This invention provides a method for the deep reduction of phenazine waste residue. The phenazine waste residue generated during RT-PS production is hydrogenated and reduced to cyclohexylamine using a supported nickel catalyst. This invention, through deep reduction, converts phenazine, azobenzene, aniline, and other components in the phenazine waste residue into cyclohexylamine, solving the problem of difficult disposal of phenazine waste residue and realizing its resource utilization. This significantly reduces waste residue emissions during RT-PS production.

The invention discloses a pyrazolone phenazine nitrogen-containing heterocyclic compound, a luminescent composition and an organic electroluminescent element, and relates to the technical field of organic photoelectric materials and elements. The pyrazolone phenazine nitrogen-containing heterocyclic compound is a compound with a molecular structure general formula (1), is a nitrogen-containing heterocyclic compound taking pyrazolone phenazine as a skeleton, has the characteristics of high performance and narrow emission spectrum, and can be applied to preparation of organic electroluminescent elements or lighting elements.

An electrochromic material and a method for preparing the anodic electrochromic material thereof. The anodic electrochromic material used in the electrochromic material is bis(dimethyldihydrophenazinyl) ether. The steps are as follows: preparing a prepolymer solution; adding the cathodic electrochromic material; adding the anodic electrochromic material, and stirring until homogeneous. The method for preparing the anodic color-changing material involves preparing a moistened 2,2'-oxobis(5,10-dihydrophenazine) from 4,4'-oxobis(1,2-phenylenediamine) and catechol. The moistened 2,2'-oxobis(5,10-dihydrophenazine) is then added to acetonitrile, sodium dithionite, sodium carbonate, methyl iodide, and methyltributylammonium chloride to obtain a crude 2,2'-oxobis(5,10-dimethyl-5,10-dihydrophenazine). The crude 2,2'-oxobis(5,10-dimethyl-5,10-dihydrophenazine) is then added to toluene and ethanol to prepare a bis(dimethyldihydrophenazinyl) ether. The advantages of this invention are that it saves on the use of anodic electrochromic materials, reduces costs, and better meets color requirements.

The invention discloses a green synthesis and purification method of an electroactive phenazine compound, and relates to the technical field of organic synthetic chemistry and green energy materials, and the green synthesis and purification method comprises the following steps: mixing a phenanthrenequinone compound as shown in a structural general formula (I) and an o-phenylenediamine compound as shown in a structural general formula (II) according to a molar ratio of 1: 0.9-1: 1.1, and carrying out a reaction for 2-3 hours to obtain a phenanthrenequinone compound as shown in a structural general formula (I); the preparation method comprises the following steps: taking phenazine compounds as raw materials, dissolving the phenazine compounds in an acetic acid solvent together, carrying out a condensation cyclization reaction by adopting ultrasonic irradiation under the condition of no catalyst, and after the reaction is finished, carrying out post-treatment to obtain the phenazine compounds shown in the structural general formula (III), and according to the prepared specific phenazine compounds, the molecular structure endows the substances with reversible electrochemical reduction characteristics through structural confirmation. Due to the characteristic, the compound shows potential application value in the aspect of serving as an active substance of a charge storage material, especially in the aspect of constructing a negative electrode component of an energy storage device.

A terahertz detection method based on a multi-fluorescent organic probe based on molecular skeleton change belongs to the technical field of terahertz wave detection, which adopts a multi-fluorescent organic molecular solution N,N'-diphenyl-dibenzo[a,c] phenazine molecule and derivative and a cyclooctatetraene (COT) ring-fused anthracene molecule and derivative, based on the excited state molecular skeleton change characteristics, through the multi-fluorescent characteristics changing with the terahertz intensity under the terahertz radiation, the terahertz intensity change visualization is realized. This method can detect terahertz waves of different intensities, the field strength measurement range is from kV / cm to MV / cm order of magnitude, which can significantly simplify the terahertz detection process and improve the accuracy of terahertz detection.