132 results about "Molecular self-assembly" patented technology

The invention belongs to the technical field of perovskite solar cells, and provides a dibenzofuranyl carbazole derivative and a preparation method and application thereof.The dibenzofuranyl carbazole derivative takes dibenzofuranyl carbazole as a functional group, molecular ordered accumulation is optimized, and hole mobility is remarkably improved; an alkyl carbon chain is used as a linking group, a phosphate group at the tail end is an anchoring group, perovskite interface defects can be effectively passivated, the energy loss at the interface can be reduced, single molecule self-assembly can be realized, the cell performance can be improved, and as a self-assembly monomolecular layer hole transport material, a perovskite solar cell has relatively high photoelectric conversion efficiency, and the photoelectric conversion efficiency can be improved. The service life is long; and the stability is high.

The invention provides a self-assembled monomolecular layer hole transport material based on a polycarbazole derivative and a preparation method and application thereof, and the self-assembled monomolecular layer hole transport material has a structure as shown in a formula I. The self-assembled monomolecular layer hole transport material is simple in structure, high in hole transport property, strong in interface passivation ability, high in thermal stability, and suitable for large-scale application; a polycarbazole derivative is taken as a mother nucleus, an alkyl / aryl chain is taken as a linking group, phosphoric acid is taken as an anchoring group, and rigid conjugated large-plane polycarbazole with a specific structure is taken as the mother nucleus, so that molecular accumulation can be improved, and the hole transport performance of the material can be improved. By taking a phosphate group as a tail end, single-molecule self-assembly can be realized, a perovskite interface can be passivated, the energy loss at the interface is reduced, and the battery performance is improved.

The invention provides a laminated solar cell and a preparation method and application thereof. The laminated solar cell comprises a bottom cell, a tunneling composite layer and a top cell which are laminated in sequence, the tunneling composite layer comprises a first single-molecule self-assembly layer and a second single-molecule self-assembly layer which are arranged in a stacked mode in the direction away from the bottom cell, and the first single-molecule self-assembly layer and the second single-molecule self-assembly layer transmit charges with opposite electrical properties. The first single-molecule self-assembly layer and the second single-molecule self-assembly layer which are opposite in electrical property are introduced to serve as tunneling composite junctions in the laminated solar cell, tunneling recombination of carriers between the top cell and the bottom cell can be achieved, and the laminated solar cell has the advantages of being low in material cost, low in parasitic absorption, low in damage to a substrate and the like; therefore, a good foundation is laid for the preparation of a high-efficiency and low-cost laminated solar cell, and the laminated solar cell has excellent photoelectric properties.

The invention relates to the field of electrochemiluminescence imaging analysis, and particularly discloses a single-particle electrochemiluminescence imaging method by adjusting the thickness of a molecular self-assembly layer, which is used for solving the problems of serious non-specific luminescence of an electrode substrate, incapability of finely regulating an interface structure, poor stability and the like in single-particle electrochemiluminescence imaging. The method comprises the following steps: preparing an insulating molecule self-assembly layer with gradient thickness, optimizing a fixing process of gold nanoparticles, determining the position of a single particle, carrying out ECL imaging acquisition on the single particle, and optimizing the thickness of the molecule self-assembly layer. According to the method, the thickness of a molecular self-assembly layer is precisely regulated and controlled, a nano-particle fixing and ECL system is optimized, and a single-particle ECL imaging device is built, so that the signal-to-noise ratio of single-particle electrochemical imaging can be increased, and background interference caused by non-specific luminescence of an electrode substrate is effectively inhibited.

The invention discloses a multifunctional nano delivery system based on targeted ferritin as well as a preparation method and application of the multifunctional nano delivery system. According to the system, traditional Chinese medicine active ingredients, namely neogambogic acid GNA, a photosensitizer Ce6 and ferritin targeting peptide HKN15 are integrated through a self-assembly technology, a synergistic treatment system integrating photodynamic therapy PDT and ferroptosis induction is constructed, and the treatment effect on non-small cell lung cancer NSCLC can be remarkably enhanced. According to the nano delivery system, precise targeting of a tumor site is achieved through the ferritin targeting peptide HKN15, and a double anti-tumor mechanism is formed by utilizing the photodynamic effect of the photosensitizer Ce6 and the ferroptosis induction effect of GNA. The preparation process is based on a molecular self-assembly principle, and has the advantages of high tumor accumulation efficiency, low system toxicity, remarkable tumor inhibition effect and the like, and an innovative solution is provided for precise treatment of the non-small cell lung cancer.

The invention discloses a high-dispersion cobalt-based catalyst and a preparation method and application thereof, and belongs to the technical field of cobalt-based catalysts.The preparation method comprises the steps that tetracarboxyl cobalt phthalocyanine and nitrogen-defect carbon nanotubes serve as raw materials, a pre-assembled compound is formed in an organic solvent through molecular self-assembly, then programmed microwave heating is conducted on the pre-assembled compound, and the high-dispersion cobalt-based catalyst is obtained. According to the high-dispersion cobalt-based catalyst and the preparation method thereof disclosed by the invention, a means of combining a specific molecular precursor and carrier defect engineering is utilized, a'molecular anchor-anchor positioning 'pre-connection system is constructed through liquid-phase pre-assembly, and a programmed microwave energy accurate input principle is supplemented, so that the high-dispersion cobalt-based catalyst is obtained. The key technical problems that when the cobalt-based catalyst is prepared through an existing microwave method, metal atoms are prone to agglomeration, the active site structure is uncontrollable, and the catalytic performance is ordinary are successfully solved.

The present invention relates to a supramolecular self-assembly system, comprising the following ingredients:(2) one or more carriers (or building blocks), which are water-soluble or at least soluble under pH≤8 conditions, where at least one carrier is amphiphilic with a hydrophobic group and a hydrophilic group; and(3) one or more targets, preferably the targets are active ingredients such as drugs, diagnostic agents, biomarkers, vaccines, nutrients, or cosmetic active ingredients, and preferably in a free, salt, hydrate, or solvate form.

The invention discloses a multi-stage cooperative processing technology for a tinned pin oxide layer of a plastic package device, and belongs to the technical field of electronic component packaging. The process comprises the following steps of: (1) low-temperature plasma pretreatment: under a vacuum condition, adopting mixed gas of argon and nitrogen, and generating plasma through a radio frequency power supply to carry out irradiation treatment on the surface of a pin; (2) composite reduction treatment: soaking the device in a citric acid-ascorbic acid composite solution with the pH value of 2.8-3.5; and (3) molecular self-assembly protection: carrying out surface coating by adopting an ethanol solution of gamma-aminopropyltriethoxysilane, and curing to form an anti-oxidation protection layer. According to the method, effective removal and protection reconstruction of the oxide layer are achieved through a three-stage cooperative processing mechanism, the pin welding qualification rate can be increased to 98.5% or above, and the temperature in the processing process is always lower than the glass-transition temperature of a plastic packaging material.

The invention relates to the technical field of fermented fruit and vegetable juice, in particular to a compound probiotic fermented fruit and vegetable juice beverage and a preparation method thereof, and the compound probiotic fermented fruit and vegetable juice beverage comprises the following raw materials: apple juice, snow pear juice, carrot juice, a momordica grosvenori extracting solution, compound probiotics, zinc gluconate, citric acid, oat beta-glucan and nano diatomite loaded prebiotics. Nano diatomite is treated through acid pickling and 3-aminopropyltriethoxysilane, then a functional layer with gradient hydrophilic-hydrophobic balance is formed through molecular self-assembly of quercetin (hydrophobic area) and lecithin (hydrophilic head group), the structure is kept stable in fermentation liquor, the hydrophobic end of quercetin is embedded into a probiotic cell membrane phospholipid layer, the hydrophilic end of quercetin is exposed to a liquid phase, and the hydrophobic end of quercetin is embedded into a probiotic cell membrane phospholipid layer. The interface affinity is enhanced; and carboxylated galactooligosaccharide is further grafted, so that the feed has the directional nutritional characteristic of preferential utilization of probiotics.

A near-atomic-scale electrolytic machining method based on an interface self-assembly biomask comprises the steps that firstly, hydroxylation pretreatment is conducted on the surface of an anode of a workpiece, then the surface of the anode is covered with an organic solvent phase containing phospholipid monomers, water-phase electrolyte drops are introduced, molecular self-assembly driving force at an oil-water-metal three-phase interface is utilized, and the surface of the anode of the workpiece is subjected to near-atomic-scale electrochemical machining. And rapidly forming a layer of ultrathin, continuous and stable support phospholipid bilayer mask on the surface of the workpiece in situ. Then, biological nanochannels are embedded in the biomimetic mask to construct a confinement ion transport path. And finally, a precise pulse electric field is applied, electrolyte ions are driven to be strictly limited in the nanometer channel and transmitted to the surface of the workpiece, local anodic dissolution is triggered, and therefore localized material removal of the nanometer scale or even the near-atomic scale is achieved. According to the method, the technical bottleneck that the high-quality phospholipid bilayer is difficult to prepare on the high-surface-energy metal surface is solved, and a new way is provided for ultra-precision electrolytic machining.

The present invention belongs to the field of biomedicine. Provided are an organic molecular self-assembly serving as a carrier-free system, and a preparation method therefor and the use thereof. Provided is a self-assembly, which is composed of steroidal molecules, and by means of optimizing the molecular structures of these steroids and critical aggregation concentrations thereof, a carrier-free system formed via self-assembly of the steroidal molecules is prepared. The carrier-free system can be loaded with a drug to prepare a drug nanocomposite. In the nanocomposite, the efficacy of the drug is improved, and the effects of reducing toxicity and improving efficacy can be achieved. If the steroid molecules used are themselves biologically active, the pharmacological activity of the steroid molecules remains unaffected after being prepared into the drug nanocomposite. The carrier-free system has the advantages of both a carrier-free nano-preparation and a nano-preparation using a conventional material as a carrier.

The invention relates to the field of biological materials, in particular to an amphiphilic block copolymer self-assembled biomimetic membrane and a molecular membrane anchoring method and application. Wherein the biomimetic membrane is formed by self-assembly of membrane forming molecules; the film-forming molecule comprises an amphiphilic triblock copolymer, the configuration of the amphiphilic triblock copolymer is a hydrophilic chain segment A-hydrophobic chain segment B-hydrophilic chain segment A, and the amphiphilic triblock copolymer is modified by an organic silicon surfactant and then is self-assembled into the amphiphilic triblock copolymer biomimetic film. And the biological nanopore protein is promoted to be embedded into the biomimetic membrane by adopting anchoring molecules through a molecular membrane anchoring method, so that the application of the biomimetic membrane in preparation of a biosensor is realized. An organic silicon surfactant is added as a bridge, polarity repulsion between the substrate and the polymer is eliminated, and the triblock polymer is stably attached to the surface of the substrate. Anchoring molecules are adopted to form covalent bonds with the surface of the membrane and biomacromolecules to realize anchoring, so that the stability is extremely high, the elution resistance and the environmental interference resistance are high, and the method is suitable for biosensors.

The invention discloses a supramolecular self-assembled fiber as well as a preparation method and application thereof in cells. The supramolecular self-assembled fiber is obtained by mixing a cis, cis-cyclohexane-1, 3, 5-triformyl hydrazine mother solution, a p-formylphenylboronic acid mother solution and a 5-(2-aminophenyl) tetrazole mother solution in a phosphate buffer solution; the application of the supramolecular self-assembled fiber in cells comprises the following steps: inoculating a pore plate with Haila cells, gently and horizontally shaking, culturing, washing, incubating in a complete DMEM (Dulbecco Modified Eagle Medium) solution of 5-(2-aminophenyl) tetrazole, and washing to obtain pretreated cells; and further incubating and washing the pretreated cells in a complete DMEM (dulbecco's modified eagle medium) solution containing cis, cis-cyclohexane-1, 3, 5-triformyl hydrazine and p-formylphenylboronic acid, so as to obtain the cells enriched with the boron element. Compared with a small molecular boron carrying agent, the supramolecular self-assembled fiber prepared by the invention realizes effective boron element enrichment, and has the advantages of high affinity to tumor cells, good stability and low biotoxicity.

The application discloses a kind of iron monatomic catalysts with controllable sulfur content and coordination mode and its preparation method and application, nitrogen-allyl thiourea and thiocyanic acid are respectively used as sulfur-containing organic ligand and sulfur-containing supramolecular precursor, chelate with iron ion, and use the hydrogen bond interaction between melamine and cyanuric acid, complete supramolecular self-assembly process;And high-temperature pyrolysis is carried out under argon atmosphere, and iron monatomic catalysts with controllable sulfur content and coordination mode can be prepared.The application also includes the application of iron monatomic catalysts with controllable sulfur content and coordination mode in removing organic pollutants such as p-chlorophenol and antibiotics in water.Iron monatomic catalysts with controllable sulfur content and coordination mode can improve the activation efficiency of persulfate, the content and selectivity of active oxygen species generated, and achieve efficient degradation of p-chlorophenol under different anion-cation, humic acid and pH conditions, while having good recycling performance.

The invention discloses a flaky supramolecular chiral copper catalyst based on molecular self-assembly and application thereof, and belongs to the technical field of asymmetric catalysis, the flaky supramolecular chiral copper catalyst is prepared by the following preparation method: dissolving L-ThrC10-20 in a solvent, and stirring to obtain a methanol solution of the L-ThrC10-20; adding ultrapure water into the system, and stirring to obtain a sheet-shaped supramolecular assembly body L-ThrC10-20-NS; and adding Cu < 2 + >, and stirring to obtain the flaky supramolecular chiral copper catalyst L-ThrC16-NS-Cu (II). According to the invention, the flaky supramolecular chiral copper catalyst L-ThrC10-20-NS-Cu (II) assembled on the basis of L-ThrC10-20 and Cu < 2 + > is successfully constructed for the first time, and the catalyst shows obvious enantioselectivity in a Diels-Alder reaction and can be used for efficiently catalyzing to generate an S-endo configuration product.

The invention provides a retarder, retarded acid and a preparation method and application thereof, and relates to the technical field of acidification transformation of carbonate reservoirs in oil and gas field development, the retarder comprises the following components in percentage by mass: 50%-70% of a main polymer, 15%-25% of a film-forming acceleration component, 10%-15% of an acid-resistant stable component and 5%-10% of a dispersing aid; the main body polymer is a quadripolymer and is formed by copolymerizing a cationic monomer, a bidentate anchoring monomer, a supramolecular self-assembly monomer and an acid-resistant monomer, the cationic monomer is methacryloyloxyethyl trimethyl ammonium chloride or acryloyloxyethyl trimethyl ammonium chloride, the bidentate anchoring monomer is phthalic anhydride modified acrylate, and the supramolecular self-assembly monomer is a supramolecular self-assembly monomer. The supramolecular self-assembly monomer is carbamido ethyl methacrylate, and the acid-resistant monomer is 2-acrylamide-2-methylpropanesulfonic acid; the retarder is obviously superior to the conventional retarded acid in the aspects of stability, film-forming speed, retarding effect, effective acting distance and reservoir protection.

The invention relates to an environment intelligent response type easily-degradable coated controlled-release fertilizer for dry farmland and a preparation method of the easily-degradable coated controlled-release fertilizer. The easily-degradable coated controlled-release fertilizer is prepared by uniformly spraying a layer of controlled-release coating material which is sensitive to temperature and humidity on the surfaces of urea or compound fertilizer particles. The coating material is prepared from a temperature and humidity dual-sensitive composition and an interpenetrating network polymer through an emulsion interfacial polymerization reaction under a heating condition. The temperature and humidity double-sensitive composition is formed by molecular self-assembly of a temperature and humidity low-sensitive organic material and a temperature and humidity high-sensitive organic material; the invention fundamentally solves the problem that the controlled-release fertilizer is difficult to release at low temperature and drought in spring and quick to release at high temperature and high humidity in summer on dry field crops, is more accurate in nutrient supply and demand matching, can realize that the fertilizer is only applied once per plant under the condition of high and stable yield of the dry field crops, and can meet the requirements of simultaneous sowing of seed and fertilizer and lateral deep fertilization; the method has the outstanding advantages of time saving, labor saving, fertilizer saving, easy degradation of the membrane material, environmental friendliness and the like, and has a very wide application prospect.

The invention belongs to the technical field of solar cells, and discloses a perovskite solar cell and a method for improving thermal management of the perovskite solar cell. A high-thermal-conductivity p-type inorganic spinel mineral material CuBi2O4 is doped in an organic hole transport layer micromolecule self-assembly material of the perovskite solar cell to form an organic-inorganic mixed hole transport layer; the device is optimized by regulating and controlling the proportion of the organic micromolecule self-assembly material to the organic micromolecule self-assembly material, and the defect that the heat conduction efficiency of the organic micromolecule self-assembly material is poor is overcome. An inorganic material with high thermal conductivity and an organic material with low thermal conductivity are mixed, the organic-inorganic mixed hole transport layer is prepared by adopting a spin coating process, and the mixed transport layer can effectively transfer heat energy generated by the perovskite solar cell in a photoelectric conversion process to an electrode. While the efficiency of the perovskite solar cell is improved, the thermal management capability of the perovskite solar cell is enhanced, and the operation stability is improved.

The preparation method of the agar nanogel interface modification spray is prepared from the following raw materials by weight: agarose 35-70 parts, Tween 80 40-50 parts, dimethyl silicone oil 60-150 parts, and tetrahydrofuran 50-120 parts. The preparation method comprises the following steps: S1: placing agarose into heated deionized water to obtain an agarose aqueous solution, adding Tween 80 and dimethyl silicone oil to obtain a coarse emulsion; S2: ultrasonic dissolving the coarse emulsion to obtain a fine emulsion, cooling and centrifuging, taking the lower liquid, adding tetrahydrofuran to obtain an agar nanogel mixture; S3: rotary evaporation and drying the mixture to obtain agar nanogel; and S4: adding the gel into ethanol or water to obtain the agar nanogel interface modification spray. The agar nanogel spray formed based on the molecular self-assembly strategy has a hexagonal phase columnar structure, the spray can form a modified layer with excellent light-heat conversion efficiency and water transport performance on the water surface, and can significantly enhance the evaporation efficiency.

The invention discloses a wafer-level ultra-flat clean graphene electron microscope grid and a preparation method and application thereof. The method comprises the following steps: placing a target transmission electron microscope grid on the surface of a two-dimensional material on a hard growth substrate; a substance capable of generating molecular self-assembly is dissolved in a low-surface-tension organic solvent to prepare a fitting solution, the fitting solution is dropwise added to the surface of the structure, and tight fitting at the normal temperature is achieved after the solution is volatilized; etching to remove the hard growth substrate; and finally, washing with deionized water and isopropanol. According to the method disclosed by the invention, by utilizing the self-assembly effect of molecules and the characteristic of a low-surface-tension solvent, glue-free and normal-temperature transfer is realized, polymer residues are avoided, and the ultra-flatness and high cleanliness of the graphene surface are ensured; the method has the advantages of high universality, simple process and high yield, and is particularly suitable for batch production of 4-inch wafers.

The application discloses a kind of high-stable carbene-alkynyl probe molecule self-assembly interface and preparation method thereof, and systematically proposes the stability change of highly ordered monomolecular self-assembly interface under different experimental environments.The construction method includes: design and synthesis have with carbene-alkynyl as bonding assembly group probe molecule (CB-C≡C);Second, CB-C≡C molecule is self-assembled on gold nano surface by gold-carbene bond, gold-alkynyl bond, forms gold-carbene-alkynyl trident assembly sensing interface.And by electrode surface in situ combination ferrocene (Fc) electrochemical response group, generate gold-carbene-alkynyl-Fc molecular self-assembly interface, and systematically evaluate in different determination environments containing high concentration glutathione (5-10mMGSH), 25-50 DEG C, pH2-10 Interface high stability.The application utilizes this new CB-C≡C self-assembly molecular probe can realize high-stable determination under different determination environments for up to 90 days.

The invention belongs to the technical field of molecular electronics, and particularly relates to a method for constructing a fixed-area molecular tunnel junction and an electrical property testing method.The method comprises the steps that a circular array mask is prepared, a gold target is deposited on the surface of a glass sheet, and a circular gold array is obtained; the gold-glass transparent array electrode is soaked in a molecular solution, when molecule self-assembly is completed, the surface is washed and dried, and the gold-glass transparent array electrode with the surface containing a self-assembly monomolecular film is obtained; preparing a gallium-indium alloy electrode; the gold-glass transparent array electrode is placed on an objective table, the tip of the gallium-indium alloy electrode is in contact with the circular gold array, the other end of the gallium-indium alloy electrode is led out to be in contact with the metal probe electrode, a current test loop is formed, and a fixed-area molecular tunnel junction is formed; compared with a traditional metal electrode, the gold-glass transparent array electrode has the advantage that adverse factors such as personal errors of molecular junction electrical property test results are effectively reduced.

The invention relates to a supramolecular self-assembly hydrophobic surfactant as well as a preparation method and application thereof, and belongs to the technical fields of supramolecular self-assembly, surface modification engineering and hydrophobic coatings. The surfactant comprises a fluorine-containing compound and absolute ethyl alcohol, and the fluorine-containing compound is self-assembled in the absolute ethyl alcohol to form uniformly dispersed nano small particles; the fluorine-containing compound is obtained by reacting 4-aldehyde imidazole with hexamethylene diisocyanate and then grafting the reaction product on 1H, 1H, 2H, 2H-perfluoro-1-alcohol. Self-assembly in absolute ethyl alcohol is achieved through non-covalent interaction of fluorine-containing compounds, a nano-scale lotus leaf bionic structure is constructed, and the nano-structure material has hydrophobicity and also has a lotus leaf-imitated microcosmic hydrophobic structure and has good hydrophobicity. And when the catalyst is used for Al surface modification, the hydrophobic protection performance of Al can be improved, and a large number of active sites are reserved.

The invention relates to the field of batteries, and particularly discloses a reversed-phase micro-micelle electrolyte system for an aqueous battery as well as a preparation method and application of the reversed-phase micro-micelle electrolyte system. The electrolyte system is composed of tris (trimethylsilane) phosphate, isopropanol, metal salt and water, and a reverse micelle structure with the average hydration size of 1-2 microns is formed through molecular self-assembly among the components. The unique structure limits water molecules in micelles and near an electrode interface, and cooperates with a firm SiO2-P2O5 inorganic interface layer generated on the surface of an electrode in situ to jointly inhibit side reactions such as decomposition of water, so that an electrochemical stability window of an electrolyte system at-20-60 DEG C is 5.0-6.0 V. When the composite material is applied to a water-based zinc ion battery, the super-long cycle life under high voltage and wide temperature range can be realized at the same time, and a new scheme is provided for developing a water-based energy storage device with high performance and high safety.

The application discloses a kind of molecular self-assembly film of programmable control droplet speed, preparation method and application, the molecular self-assembly film includes polydimethylsiloxane base and at least 2 self-assembly regions arranged on the surface of base, and the crosslinking agent of different self-assembly regions is different;Or at least 1 self-assembly region is provided, but not all covers the surface of base;The crosslinking agent is one of trichloro (3,3,3-trifluoropropyl) silane, trichloro (1H,1H,2H,2H-tridecafluoro-n-octyl) silane, 1H,1H,2H,2H-perfluorodecyl trichlorosilane, 1H,1H,2H,2H-perfluorododecyl trichlorosilane, propyl trichlorosilane, n-octyl trichlorosilane, decyl trichlorosilane and dodecyl trichlorosilane.The film is by zoned self-assembly different length and end functional group silane chain on PDMS, to achieve different regions have different water droplet speed.

The application discloses a kind of self-assembly hydrogel, preparation method and application, belong to material field.The application claims to protect a kind of self-assembly hydrogel, it is formed by glycyrrhizic acid, five gallate glucose and paeonol by molecular self-assembly;Wherein, the mass ratio of glycyrrhizic acid and five gallate glucose, paeonol is (10~60) :(1~8) :(2~8).The self-assembly hydrogel provided by the application is suitable for skin, raw material is natural, biocompatibility is good, mechanical and storage stability is excellent, can release paeonol and the transdermal effect is good, three components synergistically improve atopic dermatitis and other skin inflammation, and clinical value is high.In addition, the preparation process of the self-assembly hydrogel of the application is simple, can be prepared using conventional one-pot method, easy to produce.Therefore, the self-assembly hydrogel of the application has the prospect of developing into paeonol sustained-release delivery system, paeonol transdermal sustained-release preparation or skin inflammation treatment drug.

The present disclosure pertains to a 3D scaffold for cell growth and proliferation. In particular, the present disclosure provides a method of producing an artificial 3D scaffold to support stem cell growth and later their differentiation, by converting biodegradable amphiphilic copolymers (star polymer) into nanowire scaffolds, through a molecular self-assembly process. The invention also relates to the use of said scaffold for cell culture and / or transplantation.

The invention discloses an iron-containing sludge heterogeneous Fenton catalyst based on multistage molecular self-assembly silanization modification and a preparation method and application thereof, and belongs to the technical field of solid waste treatment. The method comprises the following steps: pretreating an iron-containing sludge raw material through oxygen plasma; carrying out surface activation on the pretreated sludge by adopting an acid-alkali alternate cleaning process; the activated sludge is immersed into a mixed silane solution, and the mixed silane solution is composed of gamma-aminopropyltriethoxysilane (APTES), octadecyl triethoxysilane (ODTES) and 3-glycidyl ether oxypropyl trimethoxy silane (GPTMS), and the mixture is subjected to a reaction, wherein the mixed silane solution is composed of gamma-aminopropyltriethoxysilane (APTES), octadecyl triethoxysilane (ODTES) and 3-glycidyl ether oxypropyl trimethoxy silane (GPTMS); adding an organic tin catalyst, and carrying out in-situ cross-linking reaction; and curing to obtain the iron-containing sludge heterogeneous Fenton catalyst. According to the method, a super-hydrophobic organic-inorganic hybrid protective layer is directionally constructed on the surface of the iron-containing sludge, so that the stability and pollutant degradation efficiency of the catalyst are remarkably improved, and the catalyst is stable in catalytic performance in a high-salt environment and wide in pH application range.

The invention provides a self-assembled monomolecular layer hole transport material of an indenocarbazole derivative and a preparation method and application thereof, the hole transport material has a structure shown in a formula I. The self-assembled monomolecular layer hole transport material is simple in structure, high in hole transport property, strong in interface passivation ability and high in thermal stability, and can be applied to the field of hole transport. Indenocarbazole with a rigid conjugate large plane is used as a parent nucleus, so that molecular accumulation can be improved, and the hole transport performance of the material can be improved. By taking a phosphate group as a tail end, single-molecule self-assembly can be realized, a perovskite interface can be passivated, the energy loss at the interface is reduced, and the battery performance is improved. When the synthesized material is used as a hole transport layer of an inverted perovskite solar cell, gt can be obtained without doping; and meanwhile, the service life of the perovskite solar cell is greatly prolonged, the stability of the perovskite solar cell is greatly improved, and industrialization of the perovskite solar cell is expected to be achieved.