577 results about "Electron acceptor" patented technology

The invention provides a solid polymer electrolyte capable of working in a wide temperature range. The solid polymer electrolyte is obtained by carrying out in-situ polymerization on a precursor solution on the surface of a base material, wherein the precursor solution is prepared from a first type of polymeric monomer, a second type of polymeric monomer, an initiator and electrolyte salt; the first polymeric monomer is an electron donor, and the electron donor is at least one of cyclic ether and olefin monomers; the second polymeric monomer is an electron acceptor, and the electron acceptor is one or more of cyclic ester, olefin monomers and anhydride monomers. The solid polymer electrolyte keeps good mechanical performance and high ionic conductivity in a wide temperature range, and an assembled solid secondary battery has good electrical performance and cycling stability.

The invention provides a low C / N sewage nitrogen and phosphorus removal method based on MABR-DPR-anaerobic ammonia oxidation, which couples anaerobic, membrane aeration anoxic and anaerobic ammonia oxidation processes, forms an anoxic environment in a water phase of a membrane aeration reactor, and enriches denitrifying phosphorus-accumulating bacteria. And the anaerobic phosphorus release and anoxic denitrification nitrogen and phosphorus removal processes of the denitrifying phosphorus-accumulating bacteria are realized through the backflow of the sludge between the anaerobic tank and the membrane aeration reactor. Nitrite accumulated in effluent of the membrane aeration reactor supplements an electron acceptor for a subsequent anaerobic ammonia oxidation deep denitrification process, and meanwhile, a carbon source is obviously consumed in an anoxic denitrification nitrogen and phosphorus removal process of the membrane aeration reactor, so that inhibition of influent organic matters on an anaerobic ammonia oxidation process is effectively weakened. The process solves the problem that the carbon source is seriously insufficient in the nitrogen and phosphorus removal process of the low C / N sewage, and the stable and efficient nitrogen and phosphorus removal effect can still be maintained under the condition that an external carbon source is not needed.

The invention discloses a sixteen-hole multifunctional polyester staple fiber and a preparation method thereof, and relates to the technical field of functional fibers. Sodium alginate is used as a skin layer, polyethylene glycol terephthalate is used as a core layer, functional layering is achieved through skin-core compounding, and the interface bonding force between sodium alginate and polyethylene glycol terephthalate is enhanced through glutaraldehyde; in the melting processing process of polyethylene glycol terephthalate, a chain extender is used for reducing the melting point of the polyethylene glycol terephthalate so as to reduce the pyrolysis risk of sodium alginate, meanwhile, a low-polarity lubricant is used for grafting zirconium carbide so as to balance the lubrication and enhancement functions and realize far infrared and antistatic properties, and then an aniline monomer is initiated to polymerize on the surface of zirconium carbide so as to prepare the far infrared anti-static polyethylene glycol terephthalate composite material. Seaweed-carbon can generate far infrared radiation and negative ions, and zirconium carbide can be used as an electron acceptor to enhance the carrier mobility, so that the far infrared and antistatic properties of the fiber are enhanced.

The invention discloses a hole transport material, a preparation method thereof and a perovskite solar cell, and belongs to the technical field of photovoltaic solar materials. The molecular structural formula of the compound is shown as a formula (I) or a formula (II). According to the invention, a quinoxaline part is used as an electron acceptor for extended conjugate modification, a plurality of single donors such as triphenylamine electron donating groups, dihydroacenaphthene, binaphthyloxy and the like are introduced, the hole transport material with a multi-donor structure is constructed, and the hole transport material adjusts the distribution of HOMO-LUMO, increases charge transfer channels, improves the separation and transport capabilities of charges, and improves the hole transport efficiency. Therefore, the mobility of current carriers is improved. A tert-butyl unit is further introduced to the periphery of the triphenylamine group, the hydrophobic property of tert-butyl reduces the interface energy barrier between the hole transport layer and the perovskite precursor solution, directional growth and defect passivation of perovskite crystals are promoted, and the crystallization quality of the perovskite thin film and the device performance are improved.

The invention relates to the technical field of preparation of organic solar cells, in particular to an organic solar cell based on a halogenated additive, and the structure level of a forward device of the solar cell sequentially comprises a transparent conductive substrate, a hole transport layer, an organic active layer, an electron transport layer and a metal electrode from bottom to top, the organic active layer comprises a polymer donor PM6, a non-fullerene electron acceptor L8-BO and a halogenated additive DFBB. Through addition of a halogenated additive DFBB, strong non-covalent bonding is formed by unique sigma-hole interaction of the halogenated additive DFBB and a receptor L8-BO, and meanwhile, the molecular stacking orientation of the active layer can be accurately regulated and controlled by the polymer electrostatic potential extreme value of the halogenated additive DFBB. The halogenated additive DFBB preferentially generates strong sigma-hole interaction with acceptor molecules, ordered accumulation of L8-BO is remarkably enhanced, meanwhile, the crystallization behavior of the donor PM6 is balanced through the synergistic halogen effect, a bicontinuous interpenetrating network structure is formed, and the photo-generated exciton yield is improved.

The invention relates to a method for quantitatively evaluating the anti-oxidation effect of a skin surface in real time. The method comprises the following steps: applying a reaction medium with a standard potential window on the skin surface; the reducing capacity of skin antioxidant molecules is indirectly reflected through real-time potential drift of electron concentration change in the reaction process; constructing a surface electron acceptor reaction relation framework taking the skin as a reaction main body; deploying the modified electrode array on the skin surface; each pair of electrode sites responds to corresponding reactive oxygen species (ROS); collecting a transient response current and time curve and generating a characteristic curve combination map; an anti-oxidation response electrochemical space fingerprint is established through the pattern form and the response gradient; dividing the electrochemical response signal into a plurality of reaction micro windows; establishing a biophysical state vector of the individual skin by detecting basic conductivity, moisture capacitance and micro-temperature change of the skin surface; the vectors are used for conducting numerical value normalization and response range calibration on the response curve, and a unified standardized anti-oxidation response value is output.

A long-persistent luminescence emitter containing a polymer that contains, relative to the total molar amount of an electron donor structural unit and an electron acceptor structural unit therein, 70 mol % or more of an electron donor structural unit and less than 30 mol % of an electron acceptor structural unit, or containing a polymer that contains, relative to the total molar amount of an electron donor structural unit and an electron acceptor structural unit therein. 70 mol % or more of an electron acceptor structural unit and less than 30 mol % of an electron donor structural unit. The emission decay after stopping light irradiation to the emitter is power law decay.

The invention relates to a preparation method of a battery pole piece, the battery pole piece and a battery, the preparation method of the battery pole piece comprises the following steps: preparing the battery pole piece by using a dry process, the used active substance is graphite, and the binder is PTFE; soaking the battery pole piece in a Lewis acid solution; and drying the battery pole piece soaked in the Lewis acid solution. For the graphite negative pole piece prepared by adopting a dry process, in order to reduce side reaction between PTFE and graphite and improve the first effect of the lithium ion battery, Lewis acid is adopted to treat the pole piece, and the Lewis acid can effectively break C-F bonds at the tail end of a PTFE chain and reduce side reaction between PTFE and graphite through the strong electron acceptor property of the Lewis acid, so that the positive effect of the lithium ion battery is improved. Therefore, the first cycle efficiency of the lithium ion battery is improved.

The invention discloses a compound, a kit and application thereof, and relates to the technical field of biomedicine. The compound comprises an electron acceptor aromatic unit, an optional electron donor aromatic unit and a shielding unit, and the shielding unit shields intermolecular interaction of the electron acceptor aromatic unit and / or the electron donor aromatic unit. Wherein the electron acceptor aromatic unit, the electron donor aromatic unit and the shielding unit are connected through covalent bonds. The compound can be used as a molecular near-infrared-II fluorophore, and has higher quantum yield and good biocompatibility. The compounds emit fluorescence in the range of 900-1400 nanometers, the intermolecular and intramolecular interaction of the conjugated skeleton is weakened, and the quantum yield is improved. The high quantum yield, biocompatibility and near-infrared II emission of the compound provide opportunities for in-vivo application of near-infrared II imaging by using molecular fluorophores.

The present invention discloses an organic electron acceptor containing a carbazole side chain and its application in solar cells. The organic electron acceptor containing a carbazole side chain has a structure shown in the following formula: #imgabs0# wherein R1 and R2 are independently a linear or branched alkyl group containing 1-18 carbon atoms, and A is an electron-withdrawing functional group. The present invention uses a non-fully fused ring structure based on trithiophene as the central conjugated skeleton of the organic electron acceptor, introduces a carbazole group as a side chain, prevents excessive elevation of the molecular HOMO energy level, and inhibits the internal rotation between the trithiophene rings connected by single bonds through its rigid large steric effect, thereby ensuring the planarity of the acceptor molecule, regulating the stacking between molecules, and simultaneously inhibiting the aromatic amine group from inducing the molecular skeleton to form a quinone structure, thereby improving the molecule's resistance to photooxidation.

The invention relates to the technical field of biological denitrification, in particular to a nitrogen-doped carbon dot-based microbial electronic control denitrification system and application thereof. The system comprises electron donor microorganisms, electron acceptor microorganisms and nitrogen-doped carbon dots, the nitrogen-doped carbon dots serve as electron mediators outside cells, an efficient extracellular electron transfer network is constructed, and interspecific electron transfer resistance is reduced; meanwhile, the nitrogen-doped carbon dots can regulate and control intracellular electron transport chains and the energy metabolism process, the improvement of the reducing power and the energy level is promoted, and the metabolism mode optimization is realized. By cooperatively regulating and controlling generation, transmission and utilization of electrons under an extreme electron donor limited oligotrophic condition, the system disclosed by the invention can realize efficient denitrification, avoid nitrite accumulation, remarkably inhibit generation of nitrous oxide (N2O), reduce dependence on an external organic carbon source and an electron source, and improve the denitrification efficiency. And a new technical approach is provided for improving the deep denitrification efficiency under the low-carbon condition.

The invention relates to an electrocatalysis-biological fermentation coupling system as well as a construction method and application thereof. The electrocatalysis-biological fermentation coupling system comprises an electrocatalysis unit and a fermentation unit; the electro-catalysis unit is used for electrolyzing water to generate H2 and O2; the fermentation unit is used for producing succinic acid through fermentation by taking CO2 as a carbon source and taking H2 and O2 generated by the electro-catalysis unit as an electron donor and an electron acceptor; the fermentation unit comprises S.ovaata bacteria, E.coli bacteria and a culture medium, the S.ovaata bacteria are used for synthesizing acetate by taking CO2 as a carbon source, and the E.coli bacteria are used for synthesizing succinic acid by utilizing the acetate. According to the invention, an electro-catalysis-biological fermentation coupling system with a specific structure is designed, the system can stably operate for 5 days, and the average yield of succinic acid is as high as 30.70 mg.L <-1 >. Day <-1 >.

A compound having a structure of Formula I,is provided. In Formula I, Z1 to Z16 are each CR or N; three consecutive ones of Z1 to Z16 within the same ring cannot be N; each R is independently a hydrogen or a substituent selected from a variety of substituents; at least one R includes and electron donor substituent; at least one R includes an electron acceptor substituent; and any two Rs on the same ring can be joined or fused together to form a ring. Organic light emitting devices, consumer products, formulations, and chemical structures containing the compounds are also disclosed.

The invention relates to the technical field of flash fire lifting agents, and discloses a flash fire lifting agent of an electrolyte of a boron-free aluminum electrolytic capacitor and a preparation method of the flash fire lifting agent, and the flash fire lifting agent comprises the following components in percentage by mass: 10-30% of organic ammonium carboxylate; 5%-15% of a nitro compound; 3%-10% of a phosphate ester compound; 2%-8% of a polyethylene glycol derivative; 0.5%-3% of organic siloxane; and the balance of deionized water. Through the synergistic effect of the organic ammonium carboxylate, the nitro compound, the phosphate ester substance and the organosiloxane in a specific proportion, the sparking voltage of the electrolyte is remarkably improved, and the negative effects of boron elements on the environment and the performance of a capacitor are avoided; a nitro compound is used as an electron acceptor to inhibit hydrogen precipitation, and cooperates with phosphate to fill oxide film micropores and block current concentration; the organic siloxane forms a hydrophobic barrier on an electrode interface, electrolyte decomposition is delayed, the organic carboxylic acid ammonium salt accurately controls the free acid concentration, and the conductivity rise caused by hydrogen ion migration is avoided.

The invention discloses an acridine-derived thermally activated delayed fluorescent material and an electroluminescent device thereof, and belongs to the technical field of organic luminescent materials. According to the fluorescent material, any electron withdrawing group is used as a receptor, an acridine derivative is used as a donor, nitrogen atoms of the acridine derivative are directly connected with the receptor, a dihedral angle between an electron donor and the electron receptor is increased, the dihedral angle is kept at an angle close to 90 degrees, meanwhile, the large-rigidity donor structure further reduces intramolecular vibration relaxation, and the fluorescence intensity is improved. In addition, HOMO delocalization can be further realized through side conjugation modification of acridine, so that large antiintersystem crossing rate and radiation decay rate are realized, the luminescence property of molecules is further improved, and the efficiency roll-off is reduced. The material provided by the invention can be used as an active material to be applied to organic electroluminescent devices.

The invention discloses a molecular assembly method of a D-A type blending system, which comprises the following steps: by taking indolo [3, 2-B] carbazole as an electron donor (D) and N, N '-bis (4-pyridyl)-1, 4, 5, 8-naphthalene tetraformyl diimide as an electron acceptor (A), dispersing the electron donor (D) and the electron acceptor (A) in an organic solvent, heating, and carrying out ultrasonic treatment to dissolve the electron donor (D) and the electron acceptor (A) to obtain clear and transparent D-A type blending system assembly liquid; vertically inserting a cleaned conductive substrate into the D-A type blending system assembly liquid, soaking for a period of time, lifting the conductive substrate at a constant speed by using a lifting instrument until the conductive substrate is completely separated from the liquid level, horizontally placing, and naturally volatilizing the solvent until the conductive substrate is completely dried to obtain a completely assembled D-A type assembly film; the invention also provides an application of the D-A type assembled film as multi-system information storage. The micromolecule blending assembly system provided by the invention can realize an ultrahigh-density information storage function.

The invention relates to the field of soil remediation and improvement, and discloses a protonated chitosan modified sustained-release material and a preparation method and application thereof.The protonated chitosan modified sustained-release material is of a core-shell structure, an inner core contains sulfate, and a shell layer contains protonated chitosan modified porous carbon; the raw materials for preparing the protonated chitosan modified porous carbon contain biomass. The protonated chitosan modified sustained-release material provided by the invention can continuously provide electron acceptors for indigenous sulfate reducing bacteria by continuously releasing sulfate radicals and stimulate the sulfate reducing bacteria to continuously utilize an organic carbon source in an environment for metabolic proliferation, so that the effects of degrading and stabilizing pollutants are achieved, and the protonated chitosan modified sustained-release material has a relatively good application value.

The invention provides a synthesis method of a boron cluster-cucurbituril-triazine unit three-component supramolecular reversible photochromic material, which is characterized in that an electron donor boron cluster is directly introduced into a cucurbituril cavity encapsulated with an electron acceptor 2, 4, 6-tri (4-pyridine)-1, 3, 5-triazine in a subject-object self-assembly manner. According to the material, the characteristics that a boron cluster is rich in electrons and negative charges are distributed in a delocalization mode are used as electron donors, convenience is provided for charge transfer between the boron cluster and 2, 4, 6-tri (4-pyridine)-1, 3, 5-triazine by means of a cucurbituril cavity, and photochromism is achieved. Under the irradiation of ultraviolet light, the material is subjected to electron transfer and evolves from creamy white to green, the color can be recovered after the ultraviolet light is removed, and good photochromic performance and fatigue resistance are shown. The supramolecular light-induced reversible color-changing material prepared by the invention is a powdery solid, and the preparation method is simple to operate, reliable in process, good in repeatability and easy for large-scale preparation.

The invention relates to the technical field of environmental remediation microorganisms, and discloses acinetobacter B2-4, a culture method thereof and application of the acinetobacter B2-4 in degradation of polycyclic aromatic hydrocarbon. The Acinetobacter sp. B2-4 is preserved in the China General Microbiological Culture Collection Center on March 3, 2025, the preservation address is No.3, Yard 1, Beichen West Road, Chaoyang District, Beijing, and the preservation number is CGMCC No.33689. The Acinetobacter sp. B2-4 has the advantages that the Acinetobacter sp. The Acinetobacter sp. B2-4 disclosed by the invention is an anaerobic bacterium, and can utilize nitrate, iron, sulfate and the like to replace an electron acceptor in an anoxic environment to continuously degrade polycyclic aromatic hydrocarbon. After the strain is cultured for 45 days, the degradation rate of phenanthrene reaches 74.9%, and the degradation rate of pyrene reaches 56.2%.

The present invention discloses a photoelectrochemical sensor for the detection of hexavalent chromium ions. The photoelectrochemical sensor is a modified ITO glass electrode, and the modification material is a photosensitive composite film with high-sensitive optoelectronic activity. Due to the strong absorption effect of the photo electron acceptor on the photo electrons generated by the photosensitive complex, the sensor can generate a strong cathodic photoelectrochemical signal. By utilizing the enrichment performance of the photosensitive composite film for hexavalent chromium ions, and under the conditions of light illumination and an applied bias voltage, weakly conductive reduction products can be generated on the surface of the photosensitive composite film, which effectively reduces the conductivity of the photosensitive composite film, inhibits the optoelectrochemical activity, hinders the transfer of photo electrons to the electron acceptor, quenches the photocurrent, and the quenched photocurrent has a correlation with the content of hexavalent chromium. In the present invention, the preparation of the sensor is simple, the cost is low, the response is fast, the sensitivity is high, the detectable range is wide, and the detection limit is as low as 5 pM. The rapid determination of hexavalent chromium in environmental water bodies, drinking water and food can be realized.

Compounds of Formula Ia and Ib: (Ia) (Ib) wherein R, R1 and R2 are each independently a linear or branched C6-15-alkyl; X1, X2, X3 and X4 are each independently H, F, Cl or Br; and T1 and T2 are each independently ═O, ═C(CN)2, or ═CHCN, are disclosed herein. Organic photovoltaics (OPVs) based on binary and ternary compositions comprising a compound of Formula Ia and / or Ib are also disclosed. In an aspect, a compound of Formula Ia (electron acceptor material A1) was combined with PTB7-Th (electron donor material D1) to afford binary bulk heterojunction blends. In an aspect, a pair of compounds of Formula Ia (electron acceptor materials A1) were combined with PTB7-Th (electron donor material D1) to afford ternary bulk heterojunction blends. In a further aspect, a compound of Formula Ib (electron acceptor material A1) was combined with P3HT (electron donor material D1) to afford binary bulk heterojunction blends.

The invention is applicable to the technical field of solid-state charge transfer compounds, and provides a solid-state charge transfer compound and a preparation method and application thereof, the solid-state charge transfer compound is EtLP6 alpha-TFTN, ethyl oblique [6] arene EtLP6 is used as an electron donor, and electron-deficient aromatic tetrafluoroterephthalonitrile is used as an electron acceptor. According to the embodiment of the invention, a solid-state charge transfer (CT) compound formed by ethyl oblique [6] arene (EtLP6) and an electron-deficient aromatic receptor (Tetrafluoro-terephthalonitrile-TFTN) is constructed, and the switching type gasochromic property of the solid-state charge transfer (CT) compound on 1, 3-dioxane and 1, 4-dioxane isomer steam is utilized, so that the solid-state charge transfer (CT) compound can be used for realizing the conversion of 1, 3-dioxane and 1, 4-dioxane isomer steam, and the conversion efficiency of 1, 3-dioxane and 1, 4-dioxane isomer steam is improved. The 2, 4-dioxane isomer can be quickly and visually distinguished and detected; according to the embodiment of the invention, the solid-state charge transfer compound can be obtained through simple mechanical grinding, and a complex solvent crystallization process is not involved.

The invention discloses a water-soluble near-infrared two-region aggregation-induced emission material and a preparation method and application thereof, and belongs to the technical field of aggregation-induced emission materials.Benzobithiadiazole is used as an electron acceptor group, dithieno-cyclopentadiene and derivatives thereof are used as electron donor units, and benzobithiadiazole and dithieno-cyclopentadiene and derivatives thereof are coupled to form the water-soluble near-infrared two-region aggregation-induced emission material. The organic near-infrared second-region molecule with the intramolecular charge transfer characteristic is constructed. According to the invention, the positively charged quaternary ammonium salt group is introduced into the electron donor group, and the positively charged quaternary ammonium salt group has good hydrophilicity, so that the water solubility of molecules can be effectively improved. Moreover, the water-soluble near-infrared two-region aggregation-induced emission material has excellent photodynamic and photothermal activity, and realizes efficient killing of bacteria (especially propionibacterium acnes) through the synergistic effect of photodynamic and photothermal effects.

The invention discloses a calcium nitrate slow-release filler for strengthening restoration of black and odorous bottom mud of a river channel and a preparation method of the calcium nitrate slow-release filler. The calcium nitrate slow-release filler is prepared by physically mixing Ca (NO3) 2.4 H2O, PVA (Polyvinyl Alcohol) and sodium carboxymethyl cellulose. The calcium nitrate slow-release filler disclosed by the invention not only can controllably slowly release calcium nitrate and prevent the calcium nitrate from quickly escaping to overlying water to cause secondary pollution after being put into the bottom mud, but also can provide an electron acceptor for the bottom mud, effectively remove sulfide and ferrous ions in the black and odorous bottom mud and relieve the black and odorous phenomenon of the bottom mud in urban river channels; the method has a wide application prospect in the restoration of the black and odorous bottom mud of the river channel.

The invention discloses a biological agent for preventing and treating panax notoginseng root rot, and relates to the technical field of biological prevention and treatment, the biological agent is composed of four layers of functional florae: an A layer of sentinel-decoding flora is used for identifying a pathogen quorum sensing signal and is used as an event trigger source, a B layer of metabolic countering flora is used for decoupling conversion of disease-promoting saponin and controllable release of a metabolic false substrate, and a C layer of functional florae is used for controlling root rot of panax notoginseng. The C-layer self-healing conductive biological membrane construction flora forms a biological membrane with conductivity and self-healing capability on the root surface, and the D-layer electrically-enabled flora constructs stable biological micro-current at the rhizosphere by using ferric oxide particles as external electron acceptors. The layer A triggers to cause controlled release of the layer B, a conversion product of the layer B provides a carbon source and a structural unit for the layer C, and a conductive network of the layer C and the layer D form an electronic path. The biological agent is used for early recognition and continuous inhibition of pathogens in panax notoginseng planting soil, can start defense response in the early stage of quorum sensing signal occurrence, and keeps action stability under complex environmental conditions.

The invention discloses a TADF luminescent material and a preparation method thereof, and relates to the technical field of organic optoelectronics, the molecular structure of the material comprises a phenyl triazine derivative electron-deficient core as an electron acceptor and a carbazole or tert-butyl carbazole electron-rich group as an electron donor; an aggregation-induced emission mechanism is introduced into the thermally activated delayed fluorescence material, so that the aggregation-induced quenching problem of a traditional thermally activated delayed fluorescence material and the exciton annihilation effect under high brightness are effectively solved, and meanwhile, the defect that a traditional aggregation-induced emission molecule is low in electroluminescence efficiency is overcome; the material can be used for preparing a non-doped organic electroluminescent device, the process is simplified, the cost is reduced, and the material has application potential in the field of intelligent response materials.

This invention relates to the field of wastewater treatment technology, and more particularly to a method for anaerobic ammonia oxidation denitrification in a conductive membrane bioreactor for wastewater with low concentrations of nitrite. Anaerobic ammonia-oxidizing bacteria are inoculated into a conductive membrane bioreactor; the bioreactor is connected to a DC power supply, with a conductive membrane assembly as the cathode and a three-dimensional porous or fibrous conductive carbon material with a high specific surface area as the anode, and a positive bias is applied to the anode; nitrogen-containing wastewater with a nitrite to ammonia nitrogen molar ratio of 1:1.5 to 1:5 is introduced into the electro-enhanced membrane bioreactor, where the anaerobic ammonia-oxidizing bacteria use the conductive carbon material at the anode as an extracellular electron acceptor for biological denitrification. This invention, based on a conductive membrane bioreactor, achieves efficient denitrification even under nitrite-deficient conditions through a dual approach of "electroadsorption enrichment + electrostimulation enhancement." This method is simple to operate, energy-saving, and has broad application prospects.

The invention discloses a method and a device for preparing a D-A type thermally activated delayed fluorescent material through continuous flow. A two-section type continuous flow reaction system is adopted, wherein the first continuous flow reaction system is connected with a tubular reactor in series through a micro-channel reactor, and efficient nucleophilic substitution reaction of an electron acceptor halide and an electron donor is achieved under palladium catalysis; the second continuous flow reaction system is driven by double feeding pumps, so that a D-A type compound prepared from a precursor and nonaphenyl tertiary alcohol are subjected to Friedel-Crafts alkylation modification under the catalysis of acid, the reaction time of the two steps is greatly shortened, and the yields of the two steps are both 88% or above. Through flow rate limitation, solvent concentration, solid content and temperature-pressure cooperative control, the problems of palladium-containing catalyst slurry transmission and side reaction inhibition are solved. According to the method, continuous kilogram-level production of the TADF material is achieved, compared with a traditional process, energy consumption is reduced, intermediate separation is not needed, and a new normal form is provided for industrial preparation of the OLED material.

The invention discloses a synthesis method and application of a non-condensed ring electron acceptor, which are different from a traditional condensed ring structure or a single alkyl chain side chain, and a dichlorobenzene unit is introduced as a conformation regulating group. As chlorine atoms have strong electronegativity and proper atomic radius, remarkable non-covalent interaction such as Cl-S and Cl-pi can be generated among molecules. The interaction is similar to a set of precise molecular guide rails, molecules are guided to perform highly ordered pi-pi accumulation, so that electron cloud overlapping is remarkably enhanced, and an efficient electron transmission channel is constructed. According to the organic solar cell prepared based on the non-condensed ring electron acceptor material designed by the invention, the electron mobility is remarkably improved, and meanwhile, the charge recombination loss of a device is effectively reduced.

The invention discloses a water-soluble stable anion free radical compound and a preparation method and application thereof, the anion free radical compound comprises an electron donor and an electron acceptor, the electron donor is an alkali metal compound, and anions of the alkali metal compound are halide ions; moreover, electrons of halide ions are delocalized from an electron donor to an electron acceptor to form an anion free radical compound. An electron donor and an electron acceptor form a charge transfer compound, and the charge transfer compound is self-assembled to form a stable anion free radical compound. The free radical compound takes alkali metal halide salt as an electron donor, on one hand, integer charge transfer between halogen anions and an electron acceptor can be met, and F4TCNQ.-anion free radicals are rapidly generated; on the other hand, coordination bonds with moderate strength are formed between alkali metal cations and F4TCNQ.-. Therefore, the composition has excellent water solubility and stability.