76results about How to "Extended conjugation properties" patented technology

The invention relates to nine-membered fused ring derivatives as well as a synthesis method and application thereof. According to the synthesis method, five-membered ring units are coupled with phenyl sulfoxide units for ring-fused reactions, so that aromatic compounds adopting the nine-membered macrocyclic structures are obtained. The nine-membered fused ring derivatives are high in thermal stability and hole mobility, and can serve as active layers applied to organic field-effect transistors, so that the organic field-effect transistors with high performance and stability are obtained.

The invention discloses a kind of near infrared boron dipyrromethene compounds (BODIPY) based on duplex thiophene pyrrole groups. The near infrared boron dipyrromethene compounds have the following structure: FORMULA, wherein the group at meso site is changed to obtain a series of hydroxyl radical probes. The BODIPY hydroxyl radical probes based on 3,5-(diphenyl phosphate styryl) are synthesized for the first time in the invention, the 3,5 site groups of the BODIPY are introduced into the group, so that the absorption spectrum red shift of the probe reaches 630nm, the emission peak reaches 650nm and is located within the range (650-900nm) of a biological window, and meanwhile, the fluorescence quantum efficiency of the probe is high. Moreover, the kind of probes can be used for efficiently and quickly detecting hydroxyl radicals and can be successfully applied in biological imaging. Therefore, the probes have a brilliant application prospect of detecting the hydroxyl radicals in biological systems.

The invention discloses a ferrocene triazole ionic-type nitrogen-enriched energetic metal complex and a preparation method thereof. The ferrocene triazole ionic-type nitrogen-enriched energetic metalcomplex adopts a structural formula as follows: FORMULA, wherein M represents Cu<2+> or Zn<2+>, L is 1, 1, 3, 3-tetracyanoacrylate ion, picrate ion or trinitroresorcinate ion, and n is 1 or 2. The ferrocene triazole ionic-type nitrogen-enriched energetic metal complex is high in nitrogen content; through introduction of carbon-nitrogen double bonds, the conjugacy of a whole system is increased; the ferrocene triazole ionic-type nitrogen-enriched energetic metal complex is unlikely to volatilize under a natural condition, is good in thermal stability, has relatively high formation heat and combustion heat and extremely low vapor pressure and volatility, and has relatively good combustion catalyzing effect on main components, namely ammonium perchlorate and hexogen, of a composite solid propellant. The preparation method of the ferrocene triazole ionic-type nitrogen-enriched energetic metal complex preparation method is simple, the cost is low, the yield is high, and the defects that theexisting ferrocene-type combustion catalyst synthesizing process is cumbersome, the cost is high, the synthesis period is long and the like are overcome.

The invention belongs to the field of solar cells, and discloses an isoindigo based co-polymer organic semiconductor material, and a preparation method and an application thereof. The co-polymer has the following structural formula (I). In the formula, both R1 and R2 represent a C1-C20 alkyl group and n is an integer ranging from 10 to 100. In the isoindigo based co-polymer organic semiconductor material provided by the invention, cyclopentadithiophene has a completely planar crystal structure, two thiophene rings in the structural unit of the cyclopentadithiophene are in the same plane, and the structure can effectively extend conjugated performance of a polymer and reduce a band gap of the polymer. Besides, the coplanar structure makes transfer of carriers between two main chains become easier, thereby increasing the carrier mobility.

The invention belongs to the field of photoelectronic materials, and discloses a thiophene organic semiconductor material and a preparation method and application thereof. The copolymer has a general formula (P), wherein in the formula, x+y is equal to 2; x is more than or equal to 1, and y is more than 0 and is less than 1; n is more than 1 and is less than or equal to 100; R1 and R4 are alkyl having 1 to 20 carbon atoms; and R2 and R3 are hydrogen and alkyl having 1 to 20 carbon atoms or phenyl substituted by alkyl having 1 to 20 carbon atoms or alkoxy having 1 to 20 carbon atoms or are thephenyl. Compared with the prior art, the invention has the advantages that: the organic semiconductor material is prepared by polymerizing a cyclopentadiene [2,1-b:3,4-b'] bithiophene unit, a thiophene unit and a quinoxaline unit, so the carrier mobility of the organic semiconductor material is increased, spectral response is broadened, and the organic semiconductor material has high carrier transmission property and electrochemical property; and the alkyl and the like can be introduced by a simple and convenient method to improve solubility. The preparation process of the semiconductor material is simple and easy to operate and control, and is suitable for industrial production.

The invention relates to a boron-containing organic compound and application thereof on organic electroluminescent devices, and belongs to the technical field of semiconductors. The structure of the provided compound is shown as a general formula (1). The invention also discloses an application of the boron-containing organic compound on organic electroluminescent devices. The compound is composedof boron groups, the rigidity of the boron groups is high, and the boron-containing organic compound has the advantages that molecules are not prone to crystallization or aggregation, and the film-forming property is good. When the boron-containing organic compound is used as a luminescent layer material of an organic electroluminescent device, the current efficiency, the power efficiency and theexternal quantum efficiency of the device are greatly improved; and meanwhile, the service life of the device is obviously prolonged.

The invention discloses a vinyl bridged bipolypyrrole compound containing an electron donor, pi and an electron acceptor simultaneously (D-pi-A) and a synthesis method of the compound. The structure of the compound is shown as the formula in the description, wherein a substituent group R1 is an electron-donating group such as an alkoxy group, an amino group, a hydroxyl group and the like, and R2 is an electron-withdrawing group such as an acyl group, an aldehyde group, a carboxyl group, an acylamino group, a sulfonic group, a cyano group, a nitro group, a haloform group, a quaternary amine group and the like. The D-pi-A vinyl bridged bipolypyrrole compound is generated finally from a 2,3,3-trimethylindole derivative and a pyrrole-2-carboxaldehyde derivative as raw materials through a Knoevenagel condensation reaction under the action of an organic catalyst. The synthesis method of the compound containing the electron donor, pi and the electron acceptor (D-pi-A) is simple, reaction conditions are easy to control, and the method has universal adaptability. Pi conjugation, band gap and photoelectric property of the material can be regulated and controlled effectively by selecting proper fluorophore, electron donor and electron acceptor.

The invention discloses a dithienothiophene-naphthyl tetracarboxylic diimide conjugated polymer with a structural formula shown in the specification, wherein n is an integer from 2 to 200; R1 is a C1-C20 alkyl group or an aromatic group with a structure shown in the specification; R2, R3 and R4 are H, C1-C20 alkyl group or C1-C20 alkoxy group. The carrier mobility of the dithienothiophene-naphthyl tetracarboxylic diimide conjugated polymer is relatively high. The invention also provides a preparation method of the dithienothiophene-naphthyl tetracarboxylic diimide conjugated polymer, and a solar cell device, an organic electroluminescence device and an organic field effect transistor using the dithienothiophene-naphthyl tetracarboxylic diimide conjugated polymer.

The invention relates to a squaraine polytriazole with near-infrared optic absorption, and a preparation method thereof. The squaraine polytriazole is polytriazole which is prepared from at least two different diacetylene monomers and diazido monomers through click reaction; the preparation method comprises the steps of: in nitrogen atmosphere, adding the at least two diacetylene monomers and diazido monomers into a mixed system containing a catalyst, a ligand and an organic solvent, performing polymerization reaction for 24-48h at 40-45 DEG C, filtering, washing and vacuum-drying after the reaction is finished, thereby obtaining the squaraine polytriazole. The materials for preparation have good dissolubility, stronger optic absorption property of near-infrared regions and excellent thermal stability, and the temperature range of 5% of thermal weight loss ranges from 300 DEG C to 400 DEG C; by adopting click chemistry, the preparation method is simple and easy to operate, is not required for catalysis of heavy metal, and is good in economic benefits; and the materials can be applied in the fields of optic-dynamics treatment, data storage, light-emission field effect transistors, solar batteries and the like.

Alpha-tetrakis (4-carboxyphenoxy) phthalocyanine and its preparation method and application in the field of molecular self-assembly relate to a phthalocyanine carboxylic acid derivative and its preparation method and application. The present invention solves the technical problem of low conjugation during self-assembly of the existing β-tetra(4-carboxyphenoxy)phthalocyanine. The structural formula of α-tetra(4-carboxyphenoxy)phthalocyanine is shown in the figure. Method: 3-(4-carbomethoxyphenoxy)phthalonitrile, 1,8-diazabicyclo[5,4,0]undecene-7 and n-pentanol are heated and refluxed for reaction, The crude product of α-tetrakis(4-carbomethoxyphenoxy)phthalocyanine was obtained. After purification, it was dissolved in tetrahydrofuran, reacted with sodium hydroxide and methanol aqueous solution, and then reacted with dilute hydrochloric acid. The precipitated precipitate was filtered and dried. After obtaining α-tetra (4-carboxyphenoxy) phthalocyanine. This product is used for molecular self-assembly. After self-assembly, π-conjugated bonds exist in the phthalocyanine ring and between layers. Can be used in the field of organic field effect transistors.

The invention discloses a conjugated polymer containing dithiophene thiazole-thiophene-quinoxaline and its preparation method and application. The general formula of its molecular structure is (I), where x+y+z=2, and x≥1, 0<z<1, 0<y<1; n is an integer, and 1<n≤150; R1 is selected from C1~C20 alkyl; R2, R3 are selected from -H, C1~C20 alkane group, C1~C20 alkoxy group, alkyl group or alkoxy benzene ring group, alkyl fluorene group or alkyl carbazole group; R4, R5 are selected from -H, C1~C20 alkane group or C1-C20 alkoxy group. The copolymer has high crystallization properties, good charge transport properties, thermal stability and environmental stability, and excellent electrochemical reduction properties, which can weaken bimolecular recombination, increase carrier mobility, and broaden the spectrum. Response, at the same time, its preparation process is simple, the yield is high, and it is easy to operate and control.

The invention discloses a conjugated polymer containing cyclopentadiene dithiophene-thienopyrazine-thiophene, the general formula of its molecular structure is (I), in the formula, x+y+z=2, and x≥1 , 0<z<1, 0<y<1; n is an integer, and 1<n≤120; R1 is selected from C1~C20 alkyl; R2, R3 are selected from -H, C1~C20 alkyl, C1 ~C20 alkoxy, alkyl or alkoxy benzene ring group, alkyl fluorene group or alkyl carbazole group; R4, R5 are selected from -H, C1~C20 alkyl or C1 ~C20 alkoxyl. The copolymer has good solubility, carrier mobility, thermal stability, environmental stability, strong original potential, and structural modification. The preparation process of the polymer is simple, the yield is high, and it is easy to operate and control , and is suitable for fields such as solar cells.

The invention discloses a boron-containing organic electroluminescent compound and an application thereof on organic electroluminescent devices, and belongs to the technical field of semiconductors. The boron-containing organic electroluminescent compound has a structure shown in a general formula (1) shown in the specification. The invention also discloses an application of the boron-containing organic electroluminescent compound. The rigidity of groups of the compound is large, and the compound has the characteristics of difficult crystallization and aggregation among molecules, and good film-forming property. When the compound is used as a luminescent layer material of an organic electroluminescent device, the current efficiency, the power efficiency and the external quantum efficiencyof the device are greatly improved; meanwhile, the service life of the device is obviously prolonged; and the compound have a small singlet-triplet state energy level difference ([delta]Est), a smallStokes shift and a narrow FWHM.

The invention discloses a high-stability nanoscale zirconium-based metal organic framework material (Zr-MOFs) and a preparation method of the high-stability nanoscale zirconium-based metal organic framework material. Firstly, a specific organic ligand 1,4-naphthalenedi acrylic acid is obtained through a Suzuki coupling reaction; and secondly, a pure phase nanocrystal material is obtained through a solvothermal method. An anti-inflammatory drug, that is, diclofenac sodium (DS), is loaded in a hole of the activated nanocrystal material, and a drug loading system achieves the effect of controlling the release of the drug through heat. The pore diameter of the synthesized nanoscale zirconium-based metal organic framework material is well matched with the size of the diclofenac sodium (DS), so that a higher loading capacity is achieved. The material is higher in chemical stability and heat stability, and the requirements of the practical application field on local thermal therapy of cancers and inflammation tissues are greatly met. Therefore, the nanoscale metal organic framework material has a potential application prospect on the local thermal therapy and chemotherapy of the inflammation and cancer tissues.

The invention relates to a method for improving the conjugacy of looping cam mechanism of a warp knitting machine. The method includes: adding an eccentric bushing and a screw between a swinging rack and an eccentric shaft of an original looping cam mechanism of the warp knitting machine; adjusting the eccentric bushing and the eccentric core shaft to allow the adjusting range to be a circular surface; adjusting the eccentric bushing so as to actually change difference between distances from a shaft hole of the swinging rack to the centers of two rollers, and improving the conjugacy of the looping cam mechanism. The features and advantages of the method are that: 1, the method can compensate machining errors of non-cam parts; the method has a certain compensation role in errors affecting the conjugacy of cams; 2, the method is simple to operate, only one eccentric bushing is added, the swing rack is changed slightly, and increase in cost is less; 3, scraped parts due to match grinding of cams can be avoided; and 4, the match grinding process can be cancelled on the condition of ensuring the machining precision of the cams, and the total manufacturing cost can be reduced.

The invention discloses bi-thiophene silole-containing conjugated polymer and a preparation method and application thereof. The bi-thiophene silole-containing conjugated polymer has a molecular structure general formula (I) shown in the specifications, wherein in the general formula, x and y is equal to 1, x is more than 0 and less than or equal to 0.5, and n is any one positive integer which is more than 1 and less than or equal to 150; R1 and R2 is C1 to C15 alkyl groups; and R3 and R4 are at least one of -H, C1 to C15 alkyl groups, C1 to C15 alkoxy, an alkyl group or/and alkyl group-containing thiophene group, an alkyl group-containing fluorene group, an alkyl group-containing carbazole group and an alkyl group-containing benzene ring group. The bi-thiophene silole-containing conjugated polymer has a low energy gap, expands light-absorbing bandwidths, enhances reduction potentials, improves an electric charge transmission property and has higher chemical and structural paintability. The preparation method for the polymer is simple, high in yield, easy to operate and control and suitable for fields of solar batteries and the like.

The invention provides a phenylvinyl-BODIPY derivative, the structure of which is as follows: shown in the specification, wherein R1 is alkoxy, Br, boric acid ester, N,N-dimethylamino or diphenylaminegroup, and R is H, 4-bromophenyl/4-iodobiphenyl or ethyl propionate. Specifically, ten new compounds are provided, and are convenient to synthesize and easy to prepare and purify. The phenylvinyl-BODIPY derivative has extremely high molar absorption coefficient and wide ultraviolet-visible absorption spectrum, and has a wide application prospect on solar batteries and biological detection.

The invention belongs to the technical field of display, and particularly relates to a dithiophene compound as well as a preparation method and an application thereof. The dithiophene compound has a structure as shown in formula I) or formula II), dithiophene is used as a mother nucleus, the conjugated performance is good, an electron withdrawing group increasing the modification property of the mother nucleus is introduced, the LUMO energy level of the dithiophene compound is reduced, the thermal stability of the dithiophene compound is improved, and the solubility is improved; the preparation method is simple, the yield is high, the cost is reduced, the dithiophene compound can be applied to a n-type doping material, promotes the hole generation and carrier combination, can be applied toa hole transport material, promotes hole generation, improves the hole transport speed, and can be applied to an organic electroluminescent device to reduce driving voltage and keep use stability andthe luminous efficiency of the device, and a produced product is good in luminescence property and long in service life and has a good application prospect.

The invention belongs to the field of solar cells, and discloses a thiophene pyrroledione based co-polymer organic semiconductor material, and a preparation method and an application thereof. The co-polymer has the following structural formula (I). In the formula, both R1 and R2 represent a C1-C20 alkyl group and n is an integer ranging from 10 to 100. In the thiophene pyrroledione based co-polymer organic semiconductor material provided by the invention, cyclopentadithiophene has a completely planar crystal structure, two thiophene rings in the structural unit of the cyclopentadithiophene are in the same plane, and the structure can effectively extend conjugated performance of a polymer and reduce a band gap of the polymer. Besides, the coplanar structure makes transfer of carriers between two main chains become easier, thereby increasing the carrier mobility. The above performances can improve energy conversion efficiency of solar energy, so that the problem of low efficiency of polymer solar cells is solved.

The invention discloses a ferrocenyl ruthenium metal cluster as well as a preparation method and an application thereof. The structural formula of the cluster is shown in the description, wherein R1 is not equal to R2, R3 is not equal to R4, only two of R1, R2, R3 and R4 are ferrocenyls, the other two are 2-thienylcarbonyl, 4-nitrobenzoyl, 4-aminobenzoyl or benzoyl, or one is 4-nitrobenzoyl and the other is 4-aminobenzoyl; or only two of R1, R2, R3 and R4 are ferrocenylformyl, and the other two are 2-thienyl, 4-nitrophenyl or phenyl. The mobility and volatility of the ferrocenyl ruthenium metal cluster as a combustion rate catalyst are reduced while the iron content is guaranteed, and the ferrocenyl ruthenium metal cluster has higher formation heat and combustion heat and has a better combustion catalysis effect on the thermolysis process of AP. The cluster is simple to prepare, has high catalytic activity and can remarkably increase the thermolysis temperature of AP and increase decomposition heat.

The invention discloses a tetrathiafulvalene-based viologen derivative as well as a preparation method and application thereof in a flow battery system. An electron withdrawing group viologen compound is combined with a strong electron donating group tetrathiafulvalene, and terminal N atoms are subjected to ionization modification, namely hydrophilic groups and other alkyl chain substituents are introduced, so that the whole electron cloud distribution of molecules is changed, an acceptor-donor-acceptor type material is obtained, the reduction threshold value of the material is greatly reduced, polar functional groups quaternary ammonium salt and hydroxyl are introduced, the solubility and the conductivity are improved, the conjugacy of viologen derivatives is widened, the structural stability is improved, the electrode potential (0.70 V and 0.66 Vs NHE) is increased, the application of the all-viologen derivative as a cathode electrolyte in a neutral aqueous organic flow battery is realized, and rapid intramolecular electron transfer is realized, so that the viologen derivative has outstanding dynamic performance.

The invention relates to an organic compound and an organic light emitting diode. The organic compound has a structure as shown in a formula (I) (See the specification for reference). The organic compound can adjust the molecular energy band system and the light-emitting color, and the organic light-emitting diode prepared by taking the organic compound as a thermal activation delayed fluorescencematerial has the characteristics of high light-emitting efficiency and low-efficiency roll-off effect.

The invention provides a conjugated organic framework material COF-TA based on an anthracene unit and a preparation method thereof, and the preparation method comprises the following specific steps: placing 2, 6-anthracene diamine, tris (4-formylphenyl) amine, a solvent and a catalyst in a sealed tube, then carrying out deoxygenization operation on the sealed tube, then carrying out condensation polymerization for 1-7 days at 120-150 DEG C under the protection of inert gas or nitrogen, and finally, eluting and purifying the product by using an eluent, and performing drying to obtain the product. The conjugated organic framework material COF-TA synthesized by the invention has higher spatial symmetry and conjugacy, so the conjugated organic framework material COF-TA has good electrical properties and light absorption performance; moreover, dimerization can be performed under ultraviolet irradiation to form a dianthracene structure, and depolymerization can be performed under visible light irradiation, so that the material is an excellent photosensitive material.