384 results about "Triphenylamine" patented technology

The invention relates to a preparation method and application of a porous material for preparing methanol through carbon dioxide adsorption and conversion. When the material is prepared, firstly, 4, 4 '4' '-(1, 3, 5-triazine-2, 4, 6-trimethylene) triphenylamine and 1, 2-acenaphthequinone are treated in a mixed solvent containing dioxane / acetonitrile / 6M acetic acid, and AT-COF is obtained; further synthesizing by adopting an impregnation method to obtain IrRu-COF; and finally, uniformly mixing the active gamma-aluminum oxide and the IrRu-COF material to form a carrier dispersion liquid, and then carrying out PEI loading, vacuum impregnation, washing and drying to obtain the PEI functionalized gamma-Al2O3 / COF composite catalyst. The technical closed loop from low-concentration CO2 capture to solar driven conversion is realized, the process flow is simple, and the energy consumption is low.

The invention discloses a dual-mechanism antibacterial photosensitizer as well as a preparation method and application thereof, and relates to the technical field of biomedical photoelectric functional materials. The invention relates to a triphenylamine derivative, which can realize fluorescence imaging of bacterial or fungal infection by utilizing fluorescence characteristics, can generate active oxygen under illumination to play a photodynamic therapy role, is suitable for preparing photodynamic therapy preparations and developing antibacterial materials, and can also be applied to the fields of environment and public health and tumor treatment. The problems that an existing photosensitizer is insufficient in broad spectrum, different in fungus drug resistance mechanism, limited in single treatment effect and the like can be effectively solved, and the photosensitizer has wide application prospects.

The invention relates to the field of oil storage microcapsules, and discloses a porous covalent organic framework oil storage microcapsule as well as a preparation method and application thereof. Under the catalysis of p-toluenesulfonic acid, 4, 4 ', 4' '-(1, 3, 5,-triazine-2, 4, 6-triyl) triphenylamine and trialdehyde phloroglucinol monomers are promoted to be subjected to condensation reaction in the repeated oscillation process, a product is purified to prepare a 4, 4', 4 ''-(1, 3, 5,-triazine-2, 4, 6-triyl) triphenylamine covalent organic framework, and by means of a periodic pore structure of the covalent organic framework, the covalent organic framework can be used for preparing the covalent organic framework. And the lubricating oil is adsorbed and stored and can be controllably separated out to provide lubrication during working, so that a high-performance self-lubricating effect can be realized. In addition, covalent organic frameworks are used as hard particles to be doped into a polymer matrix to modify the polymer matrix, so that the wear resistance of the polymer matrix can be greatly enhanced, and the performance of the self-lubricating bearing material is improved.

The invention provides a triphenylamine derivative as well as a preparation method and application thereof in killing gram-positive bacteria. The preparation method comprises the following steps: firstly, synthesizing an intermediate molecule 4-di-p-methoxyanilino benzaldehyde (s); the s respectively reacts with 3-pyridylacetonitrile and 4-pyridylacetonitrile to generate intermediate molecules a and b; the intermediate molecules a and b respectively react with methyl iodide to generate triphenylamine derivatives 1 and 2, and the intermediate molecules a and b respectively react with 9-bromomethyl anthracene to generate triphenylamine derivatives 3 and 4. The prepared triphenylamine derivative has a donor-acceptor structure and is a D-pi-A structure, the modified triphenylamine is used as a donor, a carbon-carbon double bond is used as a covalent bridge, and cyano and N positive ions have electron withdrawing property. As all the components contain positive ions, the components can be anchored on a bacterial membrane to kill bacteria; and the compound has a short alkyl chain and can be combined with gram-positive bacteria, so that the bacteria are killed.

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 discloses a thiazole-linked covalent organic framework carbon nanomaterial compound as well as a preparation method and application thereof. The preparation method comprises the following steps: adding 4, 4 ', 4'-tetramethyl-4, 4 ', 4'-tetramethyl-4, 4 '-tetramethyl-4, 4'-tetramethyl-4, 4 '- The preparation method comprises the following steps: dissolving 4, 4 ', 4' '-(1, 3, 5-triazine-2, 4, 6-triyl) triphenylamine, 4, 4', 4 ''-(1, 3, 5-triazine-2, 4, 6-triyl) tribenzaldehyde, elemental sulfur and an amino-modified carbon nanomaterial in a solvent, reacting under the action of a catalyst, and purifying after the reaction to obtain the compound. The compound has high chemical stability, high crystallinity and excellent conductivity, and shows excellent rate capability and long cycle stability in a lithium ion battery. The invention provides a new thought for design and preparation of a high-performance energy storage electrode material.

The invention discloses an aggregation-induced emission near-infrared photothermal molecule as well as a preparation method and application of the aggregation-induced emission near-infrared photothermal molecule, and belongs to the technical field of biomedicine. The invention provides the preparation method of the aggregation-induced emission near-infrared photothermal molecule, the synthesis process is simple and efficient, and the obtained novel near-infrared photothermal molecule has better luminescence performance or photothermal performance of a near-infrared second region. Meanwhile, the near-infrared aggregation-induced emission protein nanoparticles provided by the invention are simple in preparation process and excellent in performance, and can effectively cross nasal mucosa and target an A beta plaque part, so that AD visualization and photo-thermal / hypoxia relief combined treatment are realized.

The invention relates to a compound containing a thiophene group, a device and equipment. In the structural formula of the compound, R1, R2, R3, R4, R5, R6, R7, R8, R9 and R10 are independently selected from hydrogen, halogen, cyano, trifluoromethyl, triphenylamine and derivatives thereof, methoxyl, aryl and derivatives thereof, cyanobiphenyl and naphthyl; the compound can be used for preparing a photovoltaic device and photovoltaic equipment and is used for improving the efficiency and stability of the photovoltaic device.

The invention provides an imidazo [1, 2-alpha] pyridine stimuli-responsive molecule with a D-A twisted structure as well as a preparation method and application of the imidazo [1, 2-alpha] pyridine stimuli-responsive molecule, belongs to the technical field of intelligent materials, and is used for solving the technical problem that intelligent materials for developing stimuli-responsive molecules for data encryption and information anti-counterfeiting are insufficient. The preparation method of the compounds N1 and N3 comprises the following steps: 2-aminopyridine and 2, 4 '-dibromoacetophenone are subjected to an amphiphilic reaction to obtain a compound a; the compound a and POCl3 are subjected to a Vilsmeier-Haack reaction, and a compound b is obtained; carrying out Suzuki coupling reaction on the compound a or the compound b and triphenylamine boric acid to obtain a compound N1 or N2; the compound N2 and malononitrile are subjected to a Knovenagel condensation reaction, and a compound N3 is obtained. The compound prepared in the invention has good fluorescence emission capability in a solution and a solid state and a grinding solvent acid / alkali stimulated fluorescence discoloration behavior, and can realize good data encryption and information anti-counterfeiting.

The invention belongs to the technical field of luminescence and display, and particularly relates to a D-A type green light TADF material and application thereof in OLEDs. The luminescent material comprises an oxygen bridge triphenylboron acceptor unit and oxygen bridge triphenylamine which are used as donor units, and a green light TADF material is constructed through simple coupling. The rigid large plane structure of the material limits rotation of a benzene ring, vibration relaxation of a condensed ring structure is reduced, and the photoluminescence efficiency as high as 90% is obtained. Research results show that the maximum emission peak of the device is 518 nm and the maximum external quantum efficiency (EQE) of the device is 37.8% under different doping concentrations when the OLEDs are processed by the solution, especially under the doping concentration of 5-100%, the electrogenerated emission peak change of the device is small, the EQE of 30% or above is kept, the excellent concentration quenching inhibition performance is shown, and the application prospect is attractive.

The invention belongs to the technical field of antitumor drugs, and particularly discloses a preparation method and application of a compound for near-infrared fluorescence imaging and photothermal-photodynamic synergistic treatment. The compound for near-infrared fluorescence imaging and photothermal-photodynamic synergistic treatment is shown in the following structural formula: # imgabs0, the molecular skeleton of the compound contains a triphenylamine unit and an N, N-dimethylaniline fragment, intramolecular rotation limitation and intramolecular vibration limitation can be generated, and obvious aggregation-induced emission (AIE) performance is shown. The function-integrated phototherapy agent has high active oxygen generation efficiency, photothermal conversion efficiency and near-infrared fluorescence quantum yield, and is beneficial to obtaining ideal photothermal-photodynamic therapy effect for deep tumors. The phototherapy agent is novel in structure, the preparation method is easy in raw material obtaining, the synthesis condition is mild, the preparation method is simple, purification is convenient and fast, implementation is easy, and the phototherapy agent has great application prospects.

The invention discloses a bifunctional fluorescent molecular probe, a preparation method thereof and application of the bifunctional fluorescent molecular probe in polarity detection of ONOO <-> and lipid droplets, and belongs to the technical field of polarity detection of ONOO <-> and lipid droplets. The problems that a fluorescent probe is only limited to detection of a single analyte, and targeted monitoring of lipid droplets in cells and simultaneous detection of endogenous ONOO <-> in the cells cannot be achieved are solved. According to the invention, a dual-response fluorescent molecular probe PTQ based on a triphenylamine group is prepared, and the PTQ shows dual response to a polar environment and dynamic change of ONOO <->. Test results show that the fluorescent probe shows high sensitivity (1.92 nM), stable fluorescence signals and high quantum yield (57.76%) in a low-polarity medium, also has excellent ONOO <-> selectivity, low detection limit (4.97 nM), low toxicity and excellent biological imaging ability, and realizes targeted monitoring of lipid droplets and detection of endogenous ONOO <-> in cells.

The invention belongs to the technical field of solar cells, and particularly relates to a triphenylamine-containing conjugated polymer hole transport layer material and a preparation method thereof. The preparation method of the triphenylamine conjugated polymer comprises the following steps: reacting aniline with bromobenzene under the action of a catalyst to generate a compound 1; reacting the compound 1 with NBS (N-bromosuccinimide), and performing bromination reaction to obtain a compound 2; reacting the compound 2 under the action of bis-pinacol diboron, potassium acetate and a catalyst to obtain a compound 3; the method comprises the following steps: dissolving a monomer 1, a monomer 2 and a catalyst in an organic solvent, and carrying out polymerization reaction under the protection of nitrogen to obtain the triphenylamine conjugated polymer. The synthetic route is simple, the yield is high, conditions are easy to realize, and the hole transport layer material prepared from the conjugated polymer of triphenylamine is high in transport efficiency and can be popularized in a large range.

The invention relates to the field of novel clean energy, in particular to an organic hole transport material, a preparation method and application in an inverted perovskite solar cell. According to the invention, triphenylamine with good hole mobility is taken as a parent nucleus, so that the hole transport capability of molecules is ensured; molecular interface performance regulation and control are carried out through a conjugate expansion means, polymerization sites and alkyl chains are increased to regulate the solubility and film-forming performance of a solution, and energy loss at an interface is reduced; phosphoric acid groups or cyano carboxyl groups connected with different carbon chain lengths are used as anchoring groups, and self-assembly of the hole transport material on an electrode substrate is achieved. Compared with an organic hole transport layer of an existing inverted perovskite cell, the hole transport layer has the advantages of being good in stability, easy to process, free of dopants, low in cost and the like, and meanwhile an efficient and stable perovskite cell device can be obtained due to the excellent charge selection capacity of the hole transport layer.

The invention relates to an aza-polycyclic aromatic hydrocarbon organic ligand and a preparation method thereof, an aza-polycyclic aromatic hydrocarbon assembled molecular cage and a preparation method and application thereof, the organic ligand takes dimethyl methylene bridged triphenylamine as a core, a benzene ring is modified by an R group, and the molecular cage is prepared from the organic ligand, the organic ligand and the aza-polycyclic aromatic hydrocarbon. A metal organic caged compound obtained by a coordination reaction with a metal complex; the molecular cage is of a truncated tetrahedral structure of twelve metals and eight ligands; each organic ligand is provided with three equal side arms which are wrapped and stacked together in a curved surface manner to form a pseudo six-section ligand; the organic ligands and the metal nodes are self-assembled to form a molecular cage with a hydrophobic cavity for recognizing guest molecules in the center. Compared with the prior art, the organic ligand has flexibility and is combined with metal to construct a novel water-soluble metal organic double-wall knotted flexible molecular cage, a size-adjustable cavity exists in the molecular cage, and selective recognition of nucleotide negative electricity biomolecules in a water phase is achieved.

The invention provides a bridged triphenylamine-derived AIE type antibacterial photosensitizer, a preparation method and antibacterial application thereof, the bridged triphenylamine-derived AIE type antibacterial photosensitizer has the following structure: # imgabs0 is subjected to a cyclization reaction to form a bridged structure to limit bond rotation as a novel molecular design, and the photodynamic antibacterial effect of the AIE photosensitizer (PSs) can be effectively improved; and an AIE photosensitizer is combined with a donor-pi-receptor (D-pi-A) structure, so that a smaller singlet-triplet energy level difference (delta EST) is realized, and an intersystem crossing process is promoted. The mutual combination effect of the PSs and bacteria can be influenced by regulating and controlling the charge number of the PSs, so that effective bacteria recognition and selective antibacterial performance are realized. Experiments show that the AIE antibacterial photosensitizer based on bridged triphenylamine has a specific elimination effect on gram-positive bacteria; and the photodynamic antibacterial agent has a good photodynamic antibacterial effect on staphylococcus aureus and methicillin-resistant staphylococcus aureus.

The invention discloses a preparation method of a pyrenyl covalent organic framework material and application of the pyrenyl covalent organic framework material in photocatalytic hydrogen production reaction, and belongs to the field of heterogeneous catalysis. The novel pyrenyl COFs photocatalyst is synthesized by regulating and controlling the quantity of triphenylamine and integrating triphenylamine monomers with different contents into a pyrenyl covalent organic framework (COF) skeleton. The preparation method is simple to operate, mild in reaction condition, short in reaction time and high in repeatability, the obtained pyrenyl COFs have good light capture capacity and photon-generated carrier separation characteristic, electron-hole recombination can be effectively reduced, the excited state service life is prolonged, the reaction efficiency of photocatalytic hydrogen production is improved, and potential application prospects are achieved.

The invention relates to the field of electrochromic materials, in particular to a blue and second near-infrared (NIR-II) transmission electrochromic high polymer material based on propene dioxythiophene (ProDOT) and a triphenylamine derivative, and particularly relates to an electrochromic high polymer material based on propene dioxythiophene (ProDOT) and a triphenylamine derivative. The method is suitable for multiple fields of display screens, building glass, coating invisible materials and the like. The invention relates to an electrochromic material based on propenyldioxythiophene (ProDOT) and a triphenylamine derivative, which has a structure shown in the following I-III: # imgabs0, and an electrochromic polymer with red oxygen electrochemical and electrochromic characteristics is prepared by carrying out electrochemical polymerization on three monomers (ProDOT-TPA, ProDOT-TPPA and ProDOT-2TPA). According to the present invention, the electrochemical research results show that the ProDOT-TPA has low initial oxidation potential (0.59 V), such that the high-quality polymer can be easily obtained; the optimized polymer [P (ProDOT-TPA)] shows the optical contrast ratio of 14.38% at the position of 400 nm and the optical contrast ratio of 49.55% at the position of 1100 nm in an electrochromic device, and has remarkable electrochromic performance.

The invention discloses polyarylamide with a triphenylamine structure modified by trifluoromethyl and carbazole and a preparation method of the polyarylamide, and belongs to the technical field of modified polyamide materials. The structural formula of the polyarylamide with the trifluoromethyl and carbazole modified triphenylamine structure is as follows: the trifluoromethyl and carbazole modified triphenylamine structure is introduced into a main chain of a polyarylamide molecule, so that the polyarylamide is endowed with good solubility, thermal properties, optical transparency, lower dielectric constant and the like, and has a wide application prospect.

The invention discloses an ionic iridium complex sonosensitizer as well as a preparation method and application thereof, belongs to the technical field of metal complex preparation, provides four ionic iridium complex sonosensitizers with excellent treatment effects, and provides a preparation method of the ionic iridium complex and application of the ionic iridium complex sonosensitizers in tumor sonodynamic therapy. The ionic iridium complex sonosensitizer prepared by the invention shows remarkable affinity to mitochondria, and due to more negative potentials in cancer cells, the cationic iridium complex targeting cancer cells is more favorably realized, and meanwhile, due to the introduced triphenylamine structure, the AIE behavior of the triphenylamine structure is realized, so that the targeting effect of the cationic iridium complex on the cancer cells is improved. The ionic iridium complex sonosensitizer can activate the sonosensitizer in an aggregation state to promote the generation of ROS, the triplet excited state energy level of the ionic iridium complex sonosensitizer can be well matched with the excited state energy level of oxygen, and meanwhile, the ionic iridium complex sonosensitizer has a relatively long triplet excited state life, so that the ROS generation capability of the ionic iridium complex sonosensitizer is relatively high; and the material is a candidate material of a sound-sensitive agent with an excellent sonodynamic therapy effect.

The invention relates to the technical field of solar cells, in particular to a perovskite cell and a preparation method thereof, a laminated cell and a photovoltaic module, a hole transport material of the perovskite cell is a small molecular structure taking indolo [3, 2-B] carbazole as a core, the indolo [3, 2-B] carbazole is a multifunctional electron-rich fused heterocyclic unit, and the hole transport material is a hole transport material of the perovskite cell. The method has the characteristics of small recombination energy, high migration rate and capability of chemically modifying nitrogen and benzene ring sites; a phosphonic acid group is introduced, phosphorus-oxygen double bonds in the phosphonic acid group can interact with perovskite, and defects in the perovskite are passivated; dimethoxytriphenylamine / dimethylthio triphenylamine is introduced as an end group, and the HOMO energy level of molecules can be adjusted, so that the HOMO energy level is better matched with the perovskite energy level, better mobility is realized, and hole extraction and transmission are facilitated. The hole transport material of the perovskite cell has the advantages of low cost, high performance and high stability, and can realize low-cost, high-performance and stable large-area trans-perovskite cell application.

The invention belongs to the technical field of pharmaceutical preparations, and particularly relates to a fluorescent carbon dot based on p-phenylenediamine and triphenylamine as well as a preparation method and application of the fluorescent carbon dot. The fluorescent carbon dots are obtained by taking triphenylamine and p-phenylenediamine as raw materials through a solvothermal method. The invention provides a functionalized carbon dot based on p-phenylenediamine and triphenylamine. The functionalized carbon dot can achieve 599 nm emission under excitation of the wavelength of 365 nm. NADH and active sites on the surfaces of the carbon dots form a non-fluorescent ground state compound through a static quenching mechanism, 599 nm fluorescence quenching and 444 nm emission enhancement are caused, and ratio fluorescence detection of NADH is achieved. The method is good in linear relation, high in selectivity, rapid in response and high in sensitivity, and the detection limit is as low as 108 nM.

The invention provides an ABS (Acrylonitrile Butadiene Styrene) resin composition as well as a preparation method and application thereof, and the ABS resin composition comprises the following components in parts by weight: 95-100 parts of ABS resin and 0.1-5 parts of a first auxiliary agent, the first auxiliary agent comprises a first compound; the molecular structure of the first compound contains a fluorenone structure and a triphenylamine structure. According to the ABS resin composition disclosed by the invention, the problem that an ABS material in the prior art is easy to turn blue at the initial stage of use under an illumination condition is solved.

This invention relates to a method for preparing and applying polyamides from a monomer containing 7-methyldibenzo[c,g]carbazole and triphenylamine: 4-({9-[(4-aminophenyl)(4-methoxyphenyl)amino]-7-methyldibenzo[c,g]carbazole-5-yl}(4-methoxyphenyl)amino)aniline. To address the problems of low solubility, difficulty in film formation, poor cycling stability, narrow color change range, and limited functionality in polyamide materials, this invention constructs two triphenylamine groups on 7-methyldibenzo[c,g]carbazole and introduces a methoxy group onto the triphenylamine to increase the polymer's solubility and stability. The polymer of this invention exhibits excellent electrochromic properties, including excellent cycling stability, fast switching time, and high optical contrast. Furthermore, to address the material's multifunctionality, a naphthalene unit is added to the molecular structure, resulting in a polymer with fluorescent emission. This invention can be applied to displays, rearview mirrors, camouflage applications, and the fluorescence detection of p-trinitrophenol.

This application relates to a terphenylamine skeleton compound, its preparation method, and its application, belonging to the field of chemical synthesis technology. The preparation method of the terphenylamine skeleton compound of this application includes the following steps: dissolving 2,4,6-triphenylaniline with thiazole-4-carboxaldehyde or thiophene-3-carboxaldehyde in a solvent, conducting a reductive amination reaction under reducing agent conditions, quenching, extraction, washing, concentration to remove solvent, and purification to obtain the terphenylamine skeleton compound. This application provides a simple and mild synthetic method for the natural active products 5'-phenyl-N-(thiazol-4-ylmethyl)-[1,1':3',1''-terphenyl]-2'-amine and 5'-phenyl-N-(thiophene-3-ylmethyl)-[1,1':3',1''-terphenyl]-2'-amine, which can only be extracted from the secondary metabolites of the marine fungus Aspergillus sp. Furthermore, this method utilizes widely available raw materials, which is beneficial for large-scale industrial production of these natural active products.

The present invention discloses a methylation DNA sequence detection system based on covalent organic framework materials, its detection method and application. The detection system includes a covalent organic framework nanoprobe, a DNA sample processing unit and a detection unit. The detection process does not rely on composite materials and the preparation process is simple. The present invention uses an organic small molecule containing a triphenylamine structure as a monomer raw material, and prepares a covalent organic framework nanoprobe through a Schiff base reaction. The DNA is subjected to bisulfite treatment, asymmetric PCR and fluorescence labeling by the DNA sample processing unit to form a DNA to be detected. Then, the detection unit measures the fluorescence of the combination of the DNA sequence to be detected and the covalent organic framework nanoprobe, so as to realize the methylation detection of the DNA sequence. This system can efficiently and conveniently detect the methylation DNA sequence, and the operation process is simple and easy to implement.

The invention provides synthesis of small organic molecule TPAY based on a triphenylamine group and application of the small organic molecule TPAY in photocatalytic hydrogen evolution, and belongs to the technical field of photocatalytic materials. The small organic molecule based on the triphenylamine groups has the characteristics of a push-pull electron structure, and two triphenylamine groups are introduced into the molecular structure. The introduction of a triphenylamine group further expands a molecular conjugate plane, and is beneficial to improving intramolecular diffusion and dissociation of photo-generated excitons. The small organic molecule TPAY based on the triphenylamine group is successfully applied to a photocatalytic hydrogen evolution experiment, good hydrogen evolution efficiency is achieved, and the performance of the small organic molecule TPAY is superior to that of a corresponding small organic molecule Y6 without the triphenylamine group.

The invention discloses a fluorescent probe for beta-lactoglobulin detection and a preparation method and application thereof, and relates to the technical field of food detection. The structure of the fluorescent probe is shown in the specification, r1 and R2 are independently selected from hydrogen or C1-C5 alkoxy, and R3 is methyl or ethyl. Aggregation-induced emission (AIE) is combined with inhibition of twisted intramolecular charge transfer (TICT) when a beta-lactoglobulin (beta-LG) cavity is inserted, a D-pi-A skeleton is adopted, triphenylamine is used as a conservative electron donor and a conservative molecular rotor, and cavity coordination and static electricity are optimized by repositioning receptor connection, so that ICT and charge distribution are systematically adjusted. The cavity locking strategy integrates molecular recognition and motion limitation, and can realize rapid analysis and specific detection of beta-LG in a complex dairy product matrix.

The invention provides a covalent organic framework material as well as a preparation method and application thereof. The preparation method comprises the following steps: S1, adding 4 ', 4' '-(1, 3, 5-triazine-2, 4, 6-triyl) triphenylamine and a polyformyl benzene derivative into a mixed organic solvent A, and uniformly mixing to obtain a mixture B; s2, adding a catalyst glacial acetic acid into the mixture B to obtain a mixture C; s3, the mixture C is subjected to a reaction under heating, and a reaction product D is obtained; and S4, cleaning the reaction product D, and drying to obtain the covalent organic framework material. The preparation method is simple and easy to implement, and the prepared catalytic material is large in specific surface area, dispersed in active sites and stable in property. Moreover, the catalytic material prepared by the invention can improve the regeneration rate of the CO2-rich amine solution, catalyze and regenerate the absorbent, reduce the regeneration temperature and energy consumption of the absorbent, and realize the purposes of energy conservation and emission reduction.

The invention discloses a triphenylamine organic small molecule compound, a preparation method and application of the triphenylamine organic small molecule compound in a perovskite solar cell. As a molecular passivator interacting with a perovskite material, the small molecular compound can accurately and efficiently passivate grain boundary or surface defects of various perovskite components; the preparation process and conditions are relatively simple, and the method is suitable for large-scale industrial preparation; when the perovskite thin film is applied to the perovskite solar cell, the defects of the perovskite thin film are effectively improved, Pb < 2 + > ions are firmly coordinated, crystal defects are synergistically passivated, charge recombination is reduced, and the efficiency and stability of the perovskite solar cell are improved.