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47results about How to "Good photoelectric activity" patented technology
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Fluorenyl organic framework material, preparation and application method thereof
ActiveCN103232473ATest thermal stabilitySave raw materialsOrganic chemistrySolid-state devicesSolubilityOrganic field-effect transistor
The invention relates to a fluorenyl organic framework material, a preparation and application method thereof. A material which is provided with a framework structure shaped as a Chinese character ri and constructed by the method disclosed by the invention is taken as a new generation organic semiconductor to be applied to an organic electronic device. The structure of the material is shown in the specification. The material has the characteristics that (1) monomers are synthesized via a Grignard reaction and a Friedel-Crafts reaction, the raw material is inexpensive and the synthesis method is simple; (2) the material has high heat stability and glass transition temperature; (3) the material is good in flexibility and high in solubility; and (4) due to the accumulation effect of diaryl fluorine, the material is good in electrooptic activity. The fluorenyl organic framework material can be applied to the organic electronic field of film devices such as organic light emitting display, organic light storage, organic photovoltaic cells, organic field effect transistors and organic laser, and the like. Electroluminescent devices prepared by using the material disclosed by the invention show satisfactory results in luminance, luminous efficiency and voltage resistance stability.
Owner:NANJING UNIV OF POSTS & TELECOMM
Near blue fluorescent material and preparation method thereof
InactiveCN102241974AAccurate spatial structureGood photoelectric activityLuminescent compositionsZinc organic compoundsCrystal systemSpace group
The invention discloses a near blue fluorescent material and a preparation method thereof. The material is prepared through chemical reactions of quinoline carboxylic acid and 4,4'-bipyridine with conjugated extended pi bonds, and zinc ions with optical activity. The fluorescent material is a zinc quinoline carboxylic crystal with a molecular formula of C84H56N8O8Zn2. The crystal belongs to a crystal system of triclinic system, and a space group of P-1. Cell parameters of the crystal are that: alpha= 91.357 DEG, gamma=106.573 DEG, and beta=101.953DEG. The zinc ions have two coordination modes, one is a square pyramid coordination mode, wherein two nitrogen coordinating atoms come from two different 4,4'-bipyridines, and three oxygen coordinating atoms come from two different quinoline carboxylic acid ligands; the other is a octahedral coordination mode, wherein two nitrogen coordinating atoms come from two different 4,4'-bipyridines, and four oxygen coordinating atoms come from two different quinoline carboxylic acid ligands. The material is advantaged in that: the fluorescent material contains abundant optically active Zn (II) ions and conjugated extended bonds, and has good near blue light emission performance.
Owner:NINGBO UNIV
Method for preparing composite heterostructure of zinc oxide nano rods and silver micron plate
InactiveCN103240422AGood crystallizationBroad absorption spectrumPolycrystalline material growthFrom normal temperature solutionsDextran sulphateTetramine
The invention relates to a method for preparing a composite heterostructure of zinc oxide nano rods and a silver micron plate. The method includes: utilizing dextran sulphate sodium as regulating agent to prepare a perforated silver micron plate in a reaction system of silver nitrate and an ascorbic acid solution of water and methanamide; depositing zinc oxide seed crystals on the silver micron plate, coating the silver micron plate with the deposition of the zinc oxide seed crystals on an electric-conducting glass sheet in a rotating manner, cleaning, drying, placing the electric-conducting glass sheet in an ethanol solution of hexamethylene tetramine and zinc nitrate to grow a zinc oxide nano rod array on the silver micron plate, fully cleaning with water, and naturally drying to obtain the finished product. The product prepared by the method is a high-level composite heterostructure with the zinc oxide nano rod array growing on the perforated silver micron plate, wherein the diameter of the silver micron plate is about 4 microns, and the size and the structure of the zinc oxide nano rod array are adjustable and controller. The method for preparing the composite heterostructure of the zinc oxide nano rods and the silver micron plate is structurally controllable, good in repeatability and stable in product property, and has excellent photocatalytic performance.
Owner:TONGJI UNIV
Rhombic cell containing spiral rings and synthesis method thereof
InactiveCN107915746AThe reaction conditions are ripeSave raw materialsOrganic chemistrySynthonFriedel–Crafts reaction
The invention relates to a rhombic cell containing spiral rings and a synthesis method thereof and belongs to the fields of nanotechnologies and organic electrons. The rhombic cell containing the spiral rings is hereinafter to be referred as the rhombic cell, is a closed-loop structure formed by connection of two types of fluorenyl groups and derivatives thereof by a manner of central symmetry, and has the distinctive characteristic of edges and corners. The structural formula of the rhombic cell is described in the specification, wherein R is a common alkyl chain. The synthesis method relatesto synthons containing the spiral rings, and forms the rhombic cell by Friedel-Crafts reaction. The rhombic cell and the synthesis method have the beneficial effects that by reasonable molecular design and utilization of the Friedel-Crafts reaction with the advantages of mild reaction condition, high yield and selectivity, simple aftertreatment and green and nontoxic effect and the like, the problems of complex steps, toxic aftertreatment and larger pollution and the like in the traditional synthesis of closed-looped molecules are overcome.
Owner:NANJING UNIV OF POSTS & TELECOMM
Method for preparing sandwich type photoelectric chemical sensor for cardiac troponin I
ActiveCN108828042AHeavy loadImprove conductivityMaterial analysis by electric/magnetic meansI antibodyBovine serum albumin
The invention relates to a method for preparing a sandwich type photoelectric chemical sensor for cardiac troponin I and belongs to the technical field of nano functional materials, immunoassay and photoelectrochemistry sensation. According to the method, a carboxylation CdS quantum dot is adopted to sensitize a 001 crystal surface of a nano square piece TiO2, then visible light absorption can beimproved, a composite material TiO2 / CdS of which the photoelectric activity is remarkably improved is prepared, by using a layer-by-layer self-assembling method, a cardiac troponin I antibody, bovineserum albumin and cardiac troponin I antigen are assembled on the composite material TiO2 / CdS, Ag@Cu2O shell-core nanoparticles are adopted as a second antibody marker, and by virtue of the excellentphotoelectric activity of the TiO2 / CdS and specific combination of antigen and antibodies of the cardiac troponin I, super-sensitive detection on the cardiac troponin I can be achieved, and the methodhas great significances for analysis and detection on the cardiac troponin I.
Owner:SHANDONG UNIV OF TECH
Blue-light-emitting fluorescent material and preparation method thereof
InactiveCN102127427AAccurate spatial structureGood photoelectric activityLuminescent compositionsCrystal systemChemical reaction
The invention discloses a blue-light-emitting fluorescent material and a preparation method thereof. The invention is characterized in that the fluorescent material is a cadmium compound of orotic acid, which is prepared by carrying out chemical reaction on orotic acid with carboxylic acid, phenanthroline and cadmium ions with optical activity; the molecular formula of the fluorescent material is C44H52N12O28Cd2, the crystal system is triclinic, and the space group is P-1; and the cell parameters are as follows: a=9.5220 Angstroms, b=11.8790 Angstroms, c=12.6141 Angstroms, alpha=73.082 degrees, gamma=78.073 degrees, and beta=81.100 degrees. The cadmium ions are in a pentagonal bipyramidal coordination mode, two nitrogen coordinating atoms are from the phenanthroline, three oxygen coordinating atoms are from orotic acid, and two oxygen coordinating atoms are from water. The fluorescent material has the advantages of accurate space structure and accurate molecular formula, and contains abundant Cd(II) ions with optical activity and carboxylic acid with strong coordinating capacity, thereby being beneficial to electron transition and energy transmission. The fluorescent material has favorable photoelectric activity and favorable blue light emission performance.
Owner:NINGBO UNIV
Pyrene organic material, preparing method and application of pyrene organic material
ActiveCN105254466ASave raw materialsThe synthesis method is simpleSolid-state devicesSemiconductor/solid-state device manufacturingSolubilityOrganic field-effect transistor
The invention relates to a pyrene organic material, a preparing method and an application of the pyrene organic material. The material which is built with the preparing method and is of a dumbbell-similar structure serves as an organic semiconductor to be applied to an organic electronic device. The general molecular formula of the material is shown in the specification. The material has the advantages that raw materials are low in price, and the synthesis method is simple and convenient; the dumbbell-shaped structure is adopted; high thermal stability and glass transition temperature are achieved; the material has good flexibility and high solubility; good photoelectric activity is achieved. The pyrene-based organic dumbbell-shaped material can be applied to the organic electronic fields such as organic luminescence display, organic optical storing, organic field effect transistors and organic lasers of thin-film devices. An electroluminescence device prepared from the material obtains the satisfactory results in the luminance aspect, the luminous efficiency aspect, the voltage-proof stability aspect and the like.
Owner:NANJING CEC PANDA LCD TECH
Polyarylester liquid crystal material with photoelectricity activity and containing azo and aniline segments and preparing method of polyarylester liquid crystal material
InactiveCN105524274AGood photoelectric activityGreat application potentialLiquid crystal compositionsSolubilityHydrazine compound
The invention discloses a polyarylester liquid crystal material with photoelectricity activity and containing azo and aniline segments and a preparing method of the polyarylester liquid crystal material, belonging to the filed of functional polymer materials. The method comprises: reacting azobenzene diacyl chloride with different substituent groups with parahydroxydiphenylamine to prepare an azo ester monomer, then performing oxidative coupling polymerization on the azo ester monomer and p-phenylenediamine to prepare oxidation azo polyarylester liquid crystal material, and through reducing of hydrazine hydrate and ammonium hydroxide, obtaining the polyarylester liquid crystal material with photoelectricity activity and containing azo and aniline segments. The polyarylester liquid crystal material with photoelectricity activity and containing azo and aniline segments has good solubleness and thermal stability, has electrochemical activity similar to an aniline oligomer and photoinduced isomerism of an azo polymer, and can produce lyotropic liquid crystal in organic solvents such as N,N-dimethylacetamide and dimethylsulfoxide. The material has good application potential in aspects of biosensors, optical elements and electromagnetic materials, and the like.
Owner:ANYANG INST OF TECH
Construction method of photoelectrochemical sensor for non-labeling detection of 4-chlorophenol
ActiveCN109142493AGood photoelectric activitySensitive contentMaterial analysis by electric/magnetic meansCarbon nitrideGraphite
The invention belongs to the field of electrochemical detection, and particularly provides a construction method of a photoelectrochemical sensor for non-labeling detection of 4-chlorophenol. The construction method comprises the following steps that step 1, graphite-phase carbon nitride (GCN) is prepared; step 2, an Ag / GCN / carbon sphere (Ag / GCN / C) ternary photoelectric active material is prepared; step 3, the photoelectrochemical sensor for the non-labeling detection of 4-chlorophenol is constructed. Compared with a traditional detection method, a photoelectrochemical detection method of 4-chlorophenol has the advantages that the operation is simpler, more convenient and more flexible, instrument and equipment are simpler, the reagent dose is less, and the detection cost is low.
Owner:江阴智产汇知识产权运营有限公司
Fluorobenzofiurene organic fluorescent material and preparation method thereof
InactiveCN103113185AImprove luminous efficiencyGood luminous stabilityHalogenated hydrocarbon preparationLuminescent compositionsOrganic compoundPotassium carbonate
The invention discloses a fluorobenzofiurene organic fluorescent material. The organic fluorescent material is a fluorobenzofiurene organic compound, wherein the compound is named 2,7-bi(4-fluorophenyl)fluorene, has a molecular formula of C25H16F2 and the molecular weight being 354.38, is of a monoclinic crystal system and has the space group being P21 / c, and the cell parameters are as follows: a=8.0031, b=5.8478, c=37.930, alpha=90 degrees, gamma=90 degrees, beta=95.442 degrees; the fluorescent material is formed by mixing and reacting 2,7-dibromofluorene, 4-fluorophenylboronic acid, palladium acetate and potassium carbonate under certain conditions; the preparation method is simple; the reaction conditions are mild; the yield reaches 70-80%; the obtained fluorobenzofiurene organic fluorescent material 2,7-bi(4-fluorophenyl)fluorene has a clear space structure and an accurate molecular formula, and contains rich electronic conjugate large pi keys, which are advantageous for electron transition and energy transfer; besides, the obtained fluorobenzofiurene organic fluorescent material is good in luminescence stability, fluorescence quantum efficiency and dissolving property, high in luminous efficiency and long in service life, and thereby has potential application prospect.
Owner:NINGBO UNIV
Fluorine pyridine fluorescent material and preparation method thereof
InactiveCN102585800BImprove luminous efficiencyClear spatial structureOrganic chemistryLuminescent compositionsSolubilityCrystal system
The invention discloses a fluorine pyridine fluorescent material and a preparation method thereof. The invention is characterized in that the fluorescent material is a fluorine pyridine organic compound with a molecular formula of C23H16N2, a monocline crystal system, a P21 / c space group, and cell parameters: a=11.235Angstrom, b=24.361Angstrom, c=13.318Angstrom, alpha=gamma=90 degrees, and beta=113.13 degrees. The fluorescent material is prepared by a synthetic reaction of 2, 7-dibromofluorene, 4-pyridine boric acid, tetrakis(triphenylphosphine)palladium and sodium carbonate according to a certain ratio. The fluorine pyridine fluorescent material has a definite space structure and an accurate molecular formula, simple synthesis procedures, and high yield (up to 70-80%); and through the introduction of pyridyl groups at 2 and 7 sites, the electron cloud density of the material is increased, the stability and solubility property of the material are improved, the luminescence performance of the material is enhanced, and the luminous efficiency of the material is improved.
Owner:NINGBO UNIV
Bipyridine bisthiophene blue fluorescent material
ActiveCN108752596AExact molecular formulaClear spatial structureLuminescent compositionsCrystal systemSolubility
The invention discloses a bipyridine bisthiophene blue fluorescent material. The fluorescent material is a bisthiophene organic compound bilaterally coupled with pyridine, and is named as 5,5'-bis(pyridine-3-yl)-2,2'-bisthiophene, the molecular formula is C18H12N2S2, the crystal system is monoclinic, the space group is P2(1) / n, and the unit cell parameters of the compound are as follows: a = 1.09994 nm, b = 0.57419 nm, c = 1.17721, alpha = gamma = 90 DEG, and beta = 103.20 DEG. The blue fluorescent material has the advantages of clear spatial structure, accurate molecular formula, simple synthesis steps, mild reaction conditions, realization of increase of the electron delocalization degree, enhancement of the luminescence performance and improvement of the stability and the solubility byintroducing pyridyl groups to the 5-positions of two sides of the bithiophene, and potential application prospect as a fluorescent material.
Owner:NINGBO UNIV
Polyarylether polymer containing photoelectric functional groups, preparation method and application thereof
ActiveCN110423343AThe degree of polymerization is controllableGood optoelectronic activity and optoelectronic functional propertiesDichloromethaneSide chain
Belonging to the technical field of polymer materials, the invention relates to a polyarylether polymer containing photoelectric functional groups, a preparation method and application thereof. From the perspective of molecular design, carbazole, triphenylamine and the like containing conjugate photoelectric active groups are introduced into a polymer side chain, and the sites of corresponding groups are modified to continuously improve the performance of the material. The polyarylether polymer containing photoelectric functional groups are prepared by homopolymerisation. At the same time, because of the use of a nucleophilic substitution polycondensation method, a high molecular weight polymer can be obtained, and also the degree of polymerization can be controllable. The polyarylether polymer containing photoelectric functional groups provided by the invention has 5% of thermal weight loss at or above 300DEG C, can dissolve in tetrahydrofuran, dichloromethane, trichloromethane, N, N'-dimethylformamide, N, N'-dimethylformamide, N-methyl pyrrolidone and other organic solvents, and can show the photoelectric characteristics of corresponding photoelectric active groups.
Owner:JILIN UNIV
Preparation method of photo electrochemical calcitonin eobiont sensor taking flower-shaped WO3 composite material as foundation
InactiveCN110243892AConducive to loadImprove conductivityMaterial electrochemical variablesCalcitoninHydrothermal synthesis
The invention relates to a preparation method of a photo electrochemical calcitonin eobiont sensor taking a flower-shaped WO3 composite material as a foundation, and belongs to the field of a photo electrochemical sensor. With the adoption of a method of hydrothermal synthesis, unique flower-shaped WO3 is synthesized, relatively large specific area is endowed by a porous structure, nitrogen-doping carbon quantum dots (NCQDs) are used for sensitizing, and the photo electrochemical activity of the WO3 is improved; Sb2S3 is grown in an in-situ way by reaction of Sb<3+> and S<2-> and is used as a signal amplification material, and the stable flower-shaped WO3 / NCQDs / Sb2S3 composite material of which a photoelectric signal is remarkably improved is fabricated; and by a layer-by-layer self-assembly method and specific binding between an antigen and an antibody, the photo electrochemical calcitonin eobiont sensor simple to operate is built, the ultra-sensitive detection of calcitonin is achieved, and the method is of important significance to analysis and detection of the calcitonin.
Owner:UNIV OF JINAN
Method for preparing zinc oxide nanorod-silver microdisk composite heterostructure
InactiveCN103240422BBroad absorption spectrumUnique electronic three-dimensional transmission characteristicsPolycrystalline material growthFrom normal temperature solutionsZinc nitrateZinc oxide nanorod
The invention relates to a method for preparing a composite heterostructure of zinc oxide nano rods and a silver micron plate. The method includes: utilizing dextran sulphate sodium as regulating agent to prepare a perforated silver micron plate in a reaction system of silver nitrate and an ascorbic acid solution of water and methanamide; depositing zinc oxide seed crystals on the silver micron plate, coating the silver micron plate with the deposition of the zinc oxide seed crystals on an electric-conducting glass sheet in a rotating manner, cleaning, drying, placing the electric-conducting glass sheet in an ethanol solution of hexamethylene tetramine and zinc nitrate to grow a zinc oxide nano rod array on the silver micron plate, fully cleaning with water, and naturally drying to obtain the finished product. The product prepared by the method is a high-level composite heterostructure with the zinc oxide nano rod array growing on the perforated silver micron plate, wherein the diameter of the silver micron plate is about 4 microns, and the size and the structure of the zinc oxide nano rod array are adjustable and controller. The method for preparing the composite heterostructure of the zinc oxide nano rods and the silver micron plate is structurally controllable, good in repeatability and stable in product property, and has excellent photocatalytic performance.
Owner:TONGJI UNIV
A kind of cobalt complex with electrocatalytic activity to formaldehyde and preparation method thereof
ActiveCN106928153BHas electrochemical catalytic activityHas rigid conjugate propertiesOrganic chemistryOrganic-compounds/hydrides/coordination-complexes catalystsCrystal systemOctahedron
The invention discloses a cobalt complex with electrocatalytic activity on formaldehyde and a preparation method thereof. The cobalt complex is an electrocatalytic material of an accurate spatial structure, a chemical formula of the cobalt complex is CoC8H12N6O12, a structural unit is [Co(C4H2N3O4)2(H2O)4], a crystal system is a triclinic crystal system, a space group is P-1, and crystal cell parameters are described in the specification, wherein alpha is 97.141 degrees, beta is 108.592 degrees, gamma is 115.555 degrees, and a cobalt ion is a hexa-coordinate octahedron geometrical configuration. The preparation method of the cobalt complex with the electrocatalytic activity on the formaldehyde comprises the step that chemical reaction is carried out on a 5-nitro potassium orotate monohydrate and the cobalt ion with electrocatalytic activity, so that the cobalt complex is obtained. The preparation method is simple in operation, low in cost and applicable to large-scale production. The obtained cobalt complex has good electrocatalytic activity and has potential application prospects as an electrocatalytic material.
Owner:NINGBO UNIV
Preparation method and application of photoelectrochemical N-terminal pro-brain natriuretic peptide sensor based on mesoporous flower-like tin oxide composite material
ActiveCN109060904AHeavy loadImprove conductivityAnalysis by material excitationMaterial electrochemical variablesAntigenN-terminal pro-Brain Natriuretic Peptide
The invention relates to a preparation method and application of a photoelectrochemical N-terminal pro-brain natriuretic peptide sensor based on a mesoporous flower-like tin oxide composite material,and belongs to the field of photoelectrochemical sensors. The novel flower-like SnO2 synthesized by hydrothermal method has a mesoporous structure for a better storage space, and a larger specific surface area and higher surface activity are beneficial for growth of smaller-sized nanoparticles on the surface. Sensitizing SnO2 with nitrogen-doped carbon quantum dots NCQDs can enhance absorption ofvisible light. Bi2S3 nanoparticles are grown in situ to obtain the mesoporous flower-like tin oxide composite material SnO2 / NCQDs / Bi2S3 with significantly improved photoelectric activity. N-terminal pro-brain natriuretic peptide antibody, bovine serum albumin and N-terminal pro-brain natriuretic peptide antigen are assembled onto the SnO2 / NCQDs / Bi2S3 composite material by a layer-by-layer self-assembly method. Ultra-sensitive detection of the N-terminal pro-brain natriuretic peptide is realized by utilizing the excellent photoelectric activity of SnO2 / NCQDs / Bi2S3 and the specific binding of N-terminal pro-brain natriuretic peptide antigen and antibody, which is important for analysis and detection of N-terminal pro-brain natriuretic peptide.
Owner:UNIV OF JINAN
Cobalt complex with electrocatalytic activity on formaldehyde and preparation method thereof
ActiveCN106928153AFacilitate electronic transition and energy transferGood photoelectric activityOrganic chemistryOrganic-compounds/hydrides/coordination-complexes catalystsCoordination complexCobalt ions
The invention discloses a cobalt complex with electrocatalytic activity on formaldehyde and a preparation method thereof. The cobalt complex is an electrocatalytic material of an accurate spatial structure, a chemical formula of the cobalt complex is CoC8H12N6O12, a structural unit is [Co(C4H2N3O4)2(H2O)4], a crystal system is a triclinic crystal system, a space group is P-1, and crystal cell parameters are described in the specification, wherein alpha is 97.141 degrees, beta is 108.592 degrees, gamma is 115.555 degrees, and a cobalt ion is a hexa-coordinate octahedron geometrical configuration. The preparation method of the cobalt complex with the electrocatalytic activity on the formaldehyde comprises the step that chemical reaction is carried out on a 5-nitro potassium orotate monohydrate and the cobalt ion with electrocatalytic activity, so that the cobalt complex is obtained. The preparation method is simple in operation, low in cost and applicable to large-scale production. The obtained cobalt complex has good electrocatalytic activity and has potential application prospects as an electrocatalytic material.
Owner:NINGBO UNIV
Bromopyridine dithiophene purple-blue fluorescent material
ActiveCN108373915AExact molecular formulaExact structural unitOrganic chemistryLuminescent compositionsCrystal systemSpace group
The invention discloses a bromopyridine dithiophene purple-blue fluorescent material. The fluorescent material is a unilaterally coupled pyridine dithiophene organic compound named as 3-(5'-bromo-[2,2'-bisthiophene]-5-yl)pyridine, the molecular formula of the fluorescent material is C13H8NS2Br, the crystal system is orthogonal, and the space group is Pbca, a is equal to 14.6864 angstroms, b is equal to 6.0096 angstroms, and c is equal to 27.7452 angstroms. The fluorescent material has a definite space structure and an accurate molecular formula, synthesis steps are simple, and reaction conditions are mild. By unilaterally introducing a pyridine group to a site 5 of dithiophene, the electronic conjugated delocalization range of the material is increased, the luminescence property of the material is improved, and the stability and dissolubility of the material are improved; and the material has potential application prospects as the fluorescent material.
Owner:NINGBO UNIV
A Bipyridine Bithiophene Blue Fluorescent Material
ActiveCN108752596BExact molecular formulaClear spatial structureLuminescent compositionsSimple Organic CompoundsElectron delocalization
The invention discloses a bipyridine bisthiophene blue fluorescent material. The fluorescent material is a bisthiophene organic compound double-sidedly coupled with pyridine, and its name is 5,5'-bis(pyridine-3-yl)-2 ,2′‑Bithiophene, the molecular formula is C 18 h 12 N 2 S 2 , the crystal system is monoclinic, the space group is P2(1) / n, the unit cell parameters α=γ=90°, β=103.20°. The blue fluorescent material has a clear spatial structure and accurate molecular formula, the synthesis steps are simple, and the reaction conditions are mild. After introducing pyridine groups at the 5-position on both sides of bithiophene, the degree of electronic delocalization is increased, and the blue fluorescent material is enhanced. The luminous performance of the material improves the stability and solubility of the material, and it has potential application prospects as a fluorescent material.
Owner:NINGBO UNIV
A kind of luminescent material and its preparation method and luminescent method
ActiveCN108659052BClear spatial structureGood photoelectric activityPlatinum organic compoundsLuminescent compositionsGreen-lightPlatinum chloride
The invention discloses a light emitting material which is a platinum alkynyl containing compound, wherein the molecular formula is C33H24N6Pt, and the molecular weight is 699. The compound is a greenlight or green-yellow light emitting material which has an exact spatial structure and an accurate molecular formula; the molecule, containing alkynyl, conjugate large pi bond, Pt(II) ions with highoptical activity, etc., promotes electron transition and energy transfer, and thus, the compound disclosed by the invention has high photoelectric activity. The invention also discloses a preparationmethod of the light emitting material. The preparation method comprises the following steps: synthesizing an intermediate 1g from 2-(2-pyridine)imidazole and dichloromethane; synthesizing an intermediate 2g from the 1g and dimethylsulfoxide platinum chloride; finally, synthesizing the material from the 2g and phenylacetylene. The preparation method disclosed by the invention is easy to operate andhas high reaction selectivity. The invention also provides a method of emitting green light or green-yellow light of the light emitting material.
Owner:HUBEI NORMAL UNIV
Preparation method and application of a photoelectrochemical cardiac troponin i sensor based on multi-level micron cubic zinc stannate composite material
ActiveCN107831198BHeavy loadImprove conductivityMaterial electrochemical variablesDoped graphenePolypyrrole
The invention relates to a preparation method and application of a photoelectrochemical cardiac troponin I sensor based on a multi-level micron cubic zinc stannate composite material, belonging to the field of photoelectrochemical sensors. Synthesis of hierarchically structured Zn using polypyrrole / nitrogen-deficient graphitic carbon nitride as a template 2 SnO 4 Cubic, Zn sensitized with nitrogen and sulfur doped graphene quantum dots N,S‑GQDs 2 SnO 4 , enhance its visible light absorption, and then grow CdS nanoparticles in situ to obtain a multi-level micron cubic zinc stannate composite material Zn with significantly improved photoelectric activity. 2 SnO 4 / N,S‑GQDs / CdS, through a layer-by-layer self-assembly approach, assembled cardiac troponin I antibody, bovine serum albumin, and cardiac troponin I antigen onto Zn 2 SnO 4 / N,S‑GQDs / CdS composites, utilizing Zn 2 SnO 4 The excellent photoelectric activity of / N,S‑GQDs / CdS and the specific binding between the antigen and antibody of cardiac troponin I enable the ultrasensitive detection of cardiac troponin I, which is of great significance for the analysis and detection of cardiac troponin I .
Owner:UNIV OF JINAN
A kind of preparation method of metal ion doped titanium dioxide thin film
ActiveCN106268765BWill not change the morphologyGood photoelectric activityCatalyst activation/preparationMetal/metal-oxides/metal-hydroxide catalystsMetalMaterials science
Owner:LIAONING UNIVERSITY
A method for constructing a photoelectrochemical sensor to detect 5-hydroxymethylcytosine
ActiveCN112858419BIncreased hole transfer rateHigh detection sensitivityChemiluminescene/bioluminescenceMaterial electrochemical variablesHeterojunctionPhosphoric acid
The invention discloses a method for constructing a photoelectrochemical sensor based on perovskite and black zirconium dioxide to detect 5-hydroxymethylcytosine deoxyribonucleotide (5hmC). The photoelectrochemical sensor includes an electrode, and the electrode is sequentially decorated with perovskite, mercaptopropionic acid, 5hmC and black ZrO 2 . First, a perovskite-based photoelectrochemical biosensor was constructed, using perovskite Bi 4 TaO 8 Good photoelectric activity and stability of Cl, M.HhaI methyltransferase catalyzes the specific reaction of hydroxymethyl groups with sulfhydryl groups on 5hmC, and black ZrO 2 Specific recognition of phosphate groups via black ZrO 2 with Bi 4 TaO 8 Cl forms a heterojunction to promote the transfer of photogenerated electrons to enhance the photoelectric signal, achieving high sensitivity and high specificity detection of 5hmC. The detection method of the invention is simple, easy to operate and low in cost, not only expands the application range of the two nanometer materials, but also realizes the detection of 5hmC.
Owner:SHANDONG AGRICULTURAL UNIVERSITY
Perylene diimide derivatives and its electrical impedance type differential detection pyridine derivative sensor and its preparation method and application
ActiveCN110845505BGood photoelectric activityAchieving Sensitive DetectionOrganic chemistryMaterial resistanceOrganic solventDiimide
The invention discloses a perylene diimide derivative and an electrical impedance type differential detection pyridine derivative sensor based on the same, a preparation method and an application thereof, and belongs to the technical field of organic semiconductor materials. The electrical impedance sensor of the present invention includes interdigital electrodes and organic active layer materials, the organic active layer materials are perylene diimide derivatives PBI-1N and PBI-2N, which are loaded on the interdigital electrodes by solution spin coating technology, And its thickness is 50-100nm. The pyridine sensor of the present invention is convenient to prepare, easy to operate, and has obvious distinguishing and detecting effects on pyridine and its derivatives, and the minimum detection limit of pyridine sensing intensity can reach ppb level; the sensor has strong resistance to interferences such as organic solvents, water and air. good resistance. In addition, the sensor of pyridine and its derivatives of the present invention has high stability and fast response time.
Owner:SHAANXI SCI TECH UNIV
A polyarylether polymer containing photoelectric functional groups, preparation method and application thereof
A polyarylether polymer containing a photoelectric functional group, a preparation method and an application thereof belong to the technical field of polymer materials. From the perspective of molecular design, the present invention introduces carbazole, triphenylamine, etc., which contain conjugated photoelectric active groups, into polymer side chains, and modifies the positions of the corresponding groups to continuously improve the performance of the material. Polyarylether polymers containing photoelectric functional groups were prepared by homopolymerization. At the same time, due to the use of nucleophilic substitution polycondensation method during polymerization, not only higher molecular weight polymers can be obtained, but also the degree of polymerization can be controlled. The 5% thermal weight loss of polyarylether polymers containing photoelectric functional groups provided by the invention is above 300°C, and can be dissolved in tetrahydrofuran, dichloromethane, chloroform, N, N'-dimethylformamide, Organic solvents such as N, N'-dimethylformamide, N-methylpyrrolidone, etc., can exhibit the photoelectric properties of corresponding photoelectrically active groups.
Owner:JILIN UNIV
Trifluorophenyl-containing dithiophene derivative and preparation method thereof
InactiveCN110204528AWith fluorescence emitting propertiesClear spatial structureOrganic chemistryLuminescent compositionsSpace groupSpatial structure
The invention discloses a trifluorophenyl-containing dithiophene derivative and a preparation method thereof. The derivative has a molecular formula of C20H8F6S2, and belongs to a monoclinic crystal system, the space group is P2(1) / n, and the unit cell parameter alpha=gamma= 90-degree, and beta = 94.84-degree. The trifluorophenyl-containing dithiophene derivative has a clear spatial structure andan accurate molecular formula, and has simple synthesis steps, low cost, high yield, high thermal stability, high fluorescence emission intensity, and wide application prospects in the field of fluorescent materials.
Owner:NINGBO UNIV
Light emitting material as well as preparation method and light emitting method thereof
ActiveCN108659052AHigh selectivityPromote positive movementPlatinum organic compoundsLuminescent compositionsPhenyl-acetyleneIon
The invention discloses a light emitting material which is a platinum alkynyl containing compound, wherein the molecular formula is C33H24N6Pt, and the molecular weight is 699. The compound is a greenlight or green-yellow light emitting material which has an exact spatial structure and an accurate molecular formula; the molecule, containing alkynyl, conjugate large pi bond, Pt(II) ions with highoptical activity, etc., promotes electron transition and energy transfer, and thus, the compound disclosed by the invention has high photoelectric activity. The invention also discloses a preparationmethod of the light emitting material. The preparation method comprises the following steps: synthesizing an intermediate 1g from 2-(2-pyridine)imidazole and dichloromethane; synthesizing an intermediate 2g from the 1g and dimethylsulfoxide platinum chloride; finally, synthesizing the material from the 2g and phenylacetylene. The preparation method disclosed by the invention is easy to operate andhas high reaction selectivity. The invention also provides a method of emitting green light or green-yellow light of the light emitting material.
Owner:HUBEI NORMAL UNIV
Pyrene-based organic material, preparation method, and application thereof
ActiveCN105254466BSave raw materialsThe synthesis method is simpleSolid-state devicesSemiconductor/solid-state device manufacturingSolubilityOrganic field-effect transistor
Owner:NANJING CEC PANDA LCD TECH
A kind of polyarylsulfone polymer containing reduced phenazine structure and preparation method thereof
ActiveCN110396195BGood photoelectric activityImprove thermal stabilityPolymer scienceCarbon nanotube
The invention relates to a polyarylsulfone polymer containing a reduced phenazine structure and a preparation method thereof. The polymer comprises a structural segment of the following formula (I): in the formula (I), n is the degree of polymerization; m is the degree of copolymerization Ratio, 0<m≤1; Ar is one of the following formulas (a) to (d): in formula (c), X is an integer 1, 2 or 3, and in formula (d), R is 1 , 4-position disubstituted naphthalene, 1,5-position di-substituted naphthalene, 2,6-position di-substituted naphthalene or 2,7-position di-substituted naphthalene. The polymer not only has good photoelectric activity, but also has good thermal stability. It is foreseeable that this kind of material will have great potential in the field of optoelectronics, especially electrochromism, information storage, carbon nanotube coating, thermal response delayed fluorescence, etc. Broad development prospects and huge application potential.
Owner:JILIN UNIV
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