25 results about "Fluoranthene" patented technology

The invention relates to the technical field of organic electroluminescence, in particular to a fused heterocyclic compound and an organic electroluminescence device containing the compound. The compound has a characteristic double-boron-nitrogen aromatic fused structure, and rigid substituents such as phenanthrene amine, naphthylamine, anthramine and fluoranthene amine are introduced to the periphery of the compound, so that a molecule has a relatively high T2 energy level, the T1 energy level is remarkably reduced, T2 is slightly higher than S1 energy level, T2-T1 internal conversion is inhibited, T2-S1 exciton up-conversion is promoted, the exciton utilization rate is increased, and the luminous efficiency is remarkably improved. An OLED device prepared from the compound has the advantages of low starting voltage, high color purity, high efficiency and excellent service life, meets the requirements of a high-performance display panel on a luminescent material, and has a good application prospect.

The invention relates to the technical field of environmental remediation microorganisms, and discloses a mixed polycyclic aromatic hydrocarbon degrading bacterium G3 suitable for variable environments and application thereof. The bacterial strain is pseudoxanthomonas sp. G3, and is preserved in the China Center for Type Culture Collection (CCTCC), and the preservation number is CCTCC M 20251828. The strain G3 is enriched and separated from soil of a certain coking plant in Beijing, can utilize polycyclic aromatic hydrocarbons such as acenaphthene, fluorene, phenanthrene, fluoranthene and pyrene as a single carbon source, and can simultaneously degrade acenaphthene, fluorene, phenanthrene, fluoranthene and pyrene mixtures within 14 days, so that the degradation rate of each component is not lower than 70%; good growth and degradation activity are maintained under the conditions that the temperature is 20-37 DEG C, the salinity is 0-4% NaCl and the pH value is 5.0-9.0, and the degradation rates can reach 100% and 84.15% respectively after the strain is cultured in a single carbon source culture solution with the initial concentration of phenanthrene and pyrene being 50 mg.L <-1 > for 7 days; after the polycyclic aromatic hydrocarbon aging polluted soil is cultured for 28 days, the mixed polycyclic aromatic hydrocarbon in the soil can be effectively removed. According to the invention, the technical bottlenecks of poor environmental adaptability and low mixed pollutant degradation efficiency of the existing degrading bacteria are solved. Therefore, the strain has good application potential in the aspect of bioremediation of the polycyclic aromatic hydrocarbon polluted environment.

A photoelectric conversion element including an anode, a cathode, and a photoelectric conversion layer, wherein the photoelectric conversion layer contains a first organic compound and a second organic compound, and difference between oxidation potential of first organic compound and reduction potential of second organic compound is larger than 1.5 [V], and the first organic compound is any one of general formulae [1] below, a fluoranthene derivative, and a metal complex,R1 represents a hydrogen atom or a substituent, Ar1, Ar2, and Z1 represents a substituent, n1 and n2 represents an integer of 0 to 4, and X1 to X3 represents a nitrogen atom, a sulfur atom, an oxygen atom, or a carbon atom.

The present invention discloses a method and application for simultaneously reducing polycyclic aromatic hydrocarbons in tobacco leaves and cigarette smoke, as well as a cigarette, which relates to the technical field of harm reduction in tobacco processing. The method includes: preparing a lipase solution; uniformly spraying the lipase solution on both the front and back sides of the tobacco leaves to be treated; subjecting the tobacco leaves sprayed with the lipase solution to constant temperature and humidity treatment, and the content of polycyclic aromatic hydrocarbons in the tobacco leaves after lipase treatment is reduced; cutting the tobacco leaves treated with lipase into shreds, and inactivating the lipase in the shredded tobacco leaves treated with lipase; rolling the inactivated shredded tobacco into cigarette sticks, and the content of polycyclic aromatic hydrocarbons in the smoke after combustion is reduced. The method is applicable to low-grade flue-cured tobacco or cut tobacco after threshing and redrying. The cigarette includes shredded tobacco obtained by lipase treatment. The method of the present invention is simple and easy to operate. After treatment with lipase preparation, it can specifically reduce the content of PAHs in tobacco leaves and cigarette smoke, especially the content of fluoranthene, and can significantly improve the safety of tobacco with a high fluoranthene content.

The present invention discloses a method and composition for removing endogenous polycyclic aromatic hydrocarbons (PAHs) from biochar using humic acid and oxalic acid. The method comprises the following steps: adding humic acid and oxalic acid to soil containing biochar for treatment to degrade the endogenous PAHs in the biochar. This method not only reduces the total content of endogenous PAHs in the biochar but also significantly promotes the degradation of both low-ring and high-ring PAHs. In particular, it significantly increases the degradation rate of high-ring PAHs, with a particularly strong degradation effect on fluoranthene and chrysene.

The invention discloses a simple and low-cost preparation method of a dark blue organic light emitting diode material benzo [k] fluoranthene. The method comprises the following steps: by taking aryl halide as an initial raw material, activating the aryl halide and inorganic alkali under heating under the action of a catalytic system, carrying out DA reaction under the light irradiation under the synergistic catalysis of polycyclic aromatic hydrocarbon and a metal catalyst, and oxidizing by an oxidant to obtain the benzo [k] fluoranthene. Wherein the polycyclic aromatic hydrocarbon has an autocatalytic effect under illumination, and cooperates with metal halide as a reaction catalyst to activate carbon halogen bonds on halogenated aromatic hydrocarbon, so that the halogenated aromatic hydrocarbon and the polycyclic aromatic hydrocarbon are subjected to cycloaddition Diels-Alder reaction, and then aromatization is performed to obtain the target product benzo [k] fluoranthene. All raw materials involved in the synthetic route are cheap and easy to obtain, and expensive and dangerous chemical raw materials are avoided. The reaction is carried out under illumination, the condition is mild, compared with a traditional high-temperature reaction condition, the condition is better, and the green chemistry and sustainable development concepts are met.

The invention discloses a sphingobacterium sp. And an application thereof. The sphingobacterium sp. Disclosed by the invention is preserved in the China Center for Type Culture Collection on May 7, 2025, and the preservation number of the sphingobacterium sp. Is CCTCC (China Center for Type Culture Collection) NO: M 2025987. The sphingobacterium sp. Disclosed by the invention can be used for treating and repairing polycyclic aromatic hydrocarbons (phenanthrene, fluoranthene and pyrene) in soil, water bodies or sediments under heavy metal stress, and has a relatively wide application prospect. The degradation rate of the sphingobacterium sp. To inorganic salt culture media containing 25 mg / L of phenanthrene, 25 mg / L of fluoranthene and 25 mg / L of pyrene can reach 80%-85% within 10 days, the tolerance of the sphingobacterium sp. To heavy metal is high, and the degradation rate range can reach 40%-85% under the condition that pollution of 0-100 mg / L of Cd < 2 + > exists at the same time.

The present disclosure relates to an organic compound, an electronic device and an electronic apparatus using the same. The organic compound of the present disclosure has a chemical structure comprising a fluoranthene and a nitrogen-containing heteroaromatic cyclic group. The organic compound can be used as a material for a functional layer of the electronic device, so as to increase the electron mobility of the electron transport material, thereby increasing the luminous efficiency and reducing the driving voltage of the electronic device.

The application provides a degradation method of polycyclic aromatic hydrocarbons in coal gangue and application thereof, and the degradation method comprises the following steps: mixing coal gangue, microbial strains with biological weathering, microbial strains for degrading polycyclic aromatic hydrocarbons, nutrients and water, and culturing, so that the degradation of polycyclic aromatic hydrocarbons in the coal gangue is completed; the polycyclic aromatic hydrocarbons include any one or a combination of at least two of naphthalene, acetylene, acenaphthene, fluorene, phenanthrene, anthracene, fluoranthene, pyrene, benz[a]anthracene, chrysene, benzo[b]fluoranthene, benzo[k]fluoranthene, benzo[a]pyrene, indeno[1,2,3-c,d]pyrene, benz[a,h]anthracene and benzo[g,h,i]perylene. The degradation method of polycyclic aromatic hydrocarbons in the coal gangue provided by the application can simultaneously degrade multiple polycyclic aromatic hydrocarbons, and has good degradation effect.

The application discloses a device and method for cutting fluoranthene crystal by using a photo-induced electric field of lithium niobate. The method uses a spatial electric field generated by laser irradiation of iron-doped lithium niobate to realize cutting of micron-size fluoranthene crystal under heating conditions. The whole device is simple to build, and realizes real-time control of the crystal cutting position and residual length. The technology can be applied to various applications of organic field effect transistors and other organic optoelectronics, and has important significance for processing and modification of organic crystals.

The invention discloses a method for preventing and controlling plants from absorbing fluoranthene based on a nanometer zero-valent iron dispersion technology. The method comprises the steps that IGEPALCA-720 serves as a dispersing agent to prepare nZVI dispersion liquid, the tomatoes planted in the fluoranthene contaminated soil are treated through foliage spraying, spraying is carried out once every three days, spraying is carried out five times in total, and the water content of the soil is kept to be 60% of the maximum field water holding capacity in the culture period. By optimizing the dispersion effect of nZVI, inhibition of fluoranthene on plant growth is remarkably relieved, the accumulation amount of fluoranthene in plants is reduced, and the biological enrichment factor (BCF) and the transfer factor (TF) are reduced by 38.9% and 46.1% respectively. The method is easy and convenient to operate and environmentally friendly, can effectively prevent and control accumulation of fluoranthene in plants, and provides technical support for safe production of crops in contaminated soil.

The invention relates to a boron-nitrogen doped fluoranthene compound as well as a preparation method and application thereof. The structural formula of the boron-nitrogen doped fluoranthene compound is as shown in a formula 1 or a formula 2, and a boron-nitrogen unit is embedded in a molecular central axis; 1, 8-dibromo-boron aza-naphthalene is used as a raw material, and the boron-nitrogen-doped fluoranthene compound and the derivative thereof are synthesized by a one-pot method through a palladium-catalyzed Suzuki-Miyaura coupling reaction. The method is simple and convenient to operate and mild in reaction condition, and has good structural adjustability and applicability; the obtained compound shows excellent photoelectric properties and can be applied to the field of organic photoelectric functional materials.

The present application belongs to the technical field of environmental pollutant detection, and particularly relates to a method for detecting fluoranthene in water. The method provided by the present application extracts and enriches the to-be-detected fluoranthene on an organic microporous membrane as a solid-phase extraction medium in the sample pretreatment process, and can directly detect the fluoranthene on the organic microporous membrane after solid-phase extraction of the water sample without elution. Since the to-be-detected fluoranthene is separated from the water and adsorbed on the surface of the membrane material, the concentration is greatly improved, and the light signal can directly irradiate the to-be-detected fluoranthene on the enriched organic microporous membrane for excitation without refraction and reflection of water, so that the sensitivity is higher than that of the traditional solid-phase extraction method, time and reagents are saved, the detection cost is reduced, and the detection efficiency is improved.

The invention relates to the field of organic photoelectricity, in particular to an arylamine organic compound and an organic electroluminescent device. The invention provides a compound as shown in a general formula (I), which comprises a specific group, is beneficial to realizing better charge transport and electron blocking capabilities by being connected with an arylamine group, is endowed with excellent thermal stability, and can be used as a hole transport material to be applied to an OLED (Organic Light Emitting Diode) device. And higher luminous efficiency and longer service life of the device can be realized.

This invention belongs to the field of environmental microbial remediation technology, specifically relating to a microbial strain suitable for low-temperature environments and capable of simultaneously degrading multiple polycyclic aromatic hydrocarbons, and its application. The microorganism is bacterium B, named *Roseola oryzae*. Rossellomorea oryzaecoriticis This bacterium, B, was deposited on August 14, 2024, at the China General Microbiological Culture Collection Center (CGMCC), with accession number CGMCC No: 31584. The 16S rDNA sequence of the microorganism is shown in SEQ ID NO: 1. This bacterium B can be applied to degrade PAHs such as naphthalene, fluoranthene, and pyrene in low-temperature environments, which is beneficial for enriching the strain resource bank of PAH-degrading bacteria in low-temperature environments. The degradation method of this bacterium B has the advantages of high efficiency, energy saving, and environmental protection, providing an effective biodegradation method for the treatment of PAH-polluted water or soil in the cold regions of Northeast China.

The invention discloses a colorectal cancer related polycyclic aromatic hydrocarbon plasma metabolism molecular biomarker as well as a screening method and application thereof, and belongs to the technical field of colorectal cancer. Plasma of a colorectal cancer case and a healthy control group person is detected through gas chromatography-mass spectrometry; the method comprises the following steps: exporting information of a plurality of metabolites detected by a plasma sample, adjusting a batch effect through a ComBat method based on empirical Bayes, and then screening out polycyclic aromatic hydrocarbons with a detection rate of more than 60% in a colorectal cancer case contrast sample; three polycyclic aromatic hydrocarbons are screened out through a random forest method to serve as plasma metabolism molecular biomarkers of colorectal cancer related polycyclic aromatic hydrocarbons, the biomarkers are combined biomarkers of fluorene, anthracene and benzo [k] fluoranthene, the combined AUC of the three polycyclic aromatic hydrocarbons is 0.785, and the prediction accuracy of colorectal cancer is high.

The application discloses a method for controlling and inhibiting plant absorption of fluoranthene based on nano zero-valent iron dispersion technology. The method comprises the following steps: preparing an nZVI dispersion liquid by taking IGEPAL CA-720 as a dispersant, spraying the tomato planted in the fluoranthene contaminated soil through the leaf surface, spraying once every 3 days, spraying 5 times in total, and keeping the soil water content as 60% of the maximum field water holding capacity during the cultivation. By optimizing the dispersion effect of nZVI, the application significantly relieves the inhibition of fluoranthene on plant growth, and reduces the accumulation amount of fluoranthene in the plant body, and the bioconcentration factor (BCF) and the transfer factor (TF) are reduced by 38.9% and 46.1% respectively. The method is simple in operation, friendly to the environment, and can effectively control and inhibit the accumulation of fluoranthene in the plant body, thereby providing technical support for safe production of crops in contaminated soil.

The invention provides a fluoranthene derivative, a photoelectric conversion element containing the fluoranthene derivative, and a light-emitting element containing the fluoranthene derivative. The fluoranthene derivative according to the present invention uses a substituent containing a heteroatom, and adjusts the number of aza-benzene-based hosts and the nitrogen content thereof to control the amount of electrons that can transport in molecules, thereby providing an organic thin-film light-emitting element that simultaneously achieves high light-emitting efficiency, low driving voltage, and long endurance life.

This invention relates to compounds comprising heterocyclic groups substituted with fluoranthene groups and specific aromatic or heteroaromatic groups. These compounds are suitable for use in electronic devices, particularly organic electroluminescent devices. In some embodiments, the compounds are used as matrix materials for phosphorescent or fluorescent emitters, as well as hole-blocking layers or electron transport layers.

The present invention belongs to the technical field of organic electroluminescent materials and relates to a compound with a fluoranthene-bis-pentacyclic ring as a parent core and its application. The present invention provides a class of compounds with a fluoranthene-bis-pentacyclic ring as a parent core, a large condensed ring stereo structure formed with two fluoranthene-bis-pentacyclic rings as the central skeleton, and a derivative compound formed by modification with specific groups. The compound has appropriate energy levels and color coordinates, good color purity, a high glass transition temperature, is not easy to crystallize, has good thermal stability and film-forming properties, can be used as a blue light dopant and host in organic electroluminescent devices, can reduce the driving voltage of the device, and improve the luminous efficiency and life of the device. The compound provided by the present invention is used as an organic light-emitting material, and its preparation method is simple, the raw materials are readily available, and it is suitable for industrial production and application.

The present invention provides a compound of general formula 1, a light-emitting device comprising the compound, a display apparatus, an electronic device, and an illumination apparatus. The compound of the present invention has a specific structure comprising fluoranthene and phenanthroline. The present invention can provide an organic thin film light-emitting element that simultaneously achieves high light-emitting efficiency, low driving voltage and long lifetime.

A class of deep-red to near-infrared iridium(III) complexes containing fluoranthene groups, their preparation methods, and applications are disclosed. The general chemical formula of the complexes is obtained by introducing electron-rich fluoranthene groups with strong rigidity and large π-conjugated planes, and modifying them with different functional groups to enhance the hole transport performance of the molecules. At the same time, fluoranthene is modified with electron-deficient functional groups to synthesize a series of organic ligands. The designed ligands have both large conjugation and strong charge transfer characteristics. The emission spectrum of the complexes can be redshifted in a simple step to obtain a series of deep-red to near-infrared iridium(III) complexes, achieving long-wavelength emission from deep red to near-infrared at 672nm, 690nm, 692nm, and 738nm. These can be used as organic light-emitting materials in the light-emitting layer of OLED devices, providing a new molecular design idea for the development of organic near-infrared light-emitting materials. In addition, the preparation method is simple, the raw materials are readily available, the cost is low, and it can be mass-produced, which has great practical value.

A color-changing window for fire early warning belongs to the technical field of building materials and safety protection and comprises a fireproof window frame, three pieces of color-changing glass are fixedly mounted in the fireproof window frame, and color-changing films are attached to the front faces and the back faces of the three pieces of color-changing glass. The main materials of the color-changing films on the front and back surfaces of the three pieces of color-changing glass are fluorane leuco fuel and bisphenol A compounds, the weight ratio of the fluorane leuco fuel to the bisphenol A compounds is 1: 3, and the assistants of the color-changing films on the front and back surfaces of the three pieces of color-changing glass are nano silicon dioxide and an ultraviolet absorbent; three pieces of photochromic glass are arranged, a photochromic film is attached to the outer surface of the photochromic glass, the photochromic glass is transparent in a normal state, when a fire occurs indoors and the temperature rises to exceed 60 DEG C, the photochromic film is heated to be changed into red from transparent, and at the moment, outdoor personnel can find the color at the first time and take rescue measures in time; therefore, the purpose that the color-changing glass changes color when the indoor fire breaks out and the temperature rises is achieved, outdoor people can sense the change of the internal environment state, and rescue can be conducted in time is achieved.

The invention belongs to the technical field of organic electroluminescence, and particularly relates to an organic compound containing fluoranthene and application of the organic compound in an organic electronic device. The organic compound provided by the invention can be used as a single host material to be matched with a proper guest material in a phosphorescent device, and can improve the luminous efficiency and service life of the device. The invention further provides a solution of the light-emitting device which is low in manufacturing cost, high in efficiency and long in service life.

The present invention provides a compound of general formula 1, and a light-emitting device, a display device, an electronic apparatus, and a lighting device comprising the compound. The compound of the present invention has a specific structure including fluoranthene and phenanthroline. The present invention can provide an organic thin-film light-emitting element which simultaneously achieves high luminous efficiency, low driving voltage, and long endurance life.