88 results about "Thienopyrrole" patented technology

The invention relates to a donor-recipient typed conjugated polymer containing two thiofuran and pyrrole and the preparation method and applications thereof. Using a construction mode of donor-recipient typed co polymerization for preparing the conjugated polymer can absorb action spectrum, cover UV-Visible and near infrared region to fully use sunlight. The donor uses a constitution unit of two thiofuran and pyrrole with a good plane performance, high density of electron cloud and easy preparation. The preparation of the conjugated polymer is easy, with absorbing spectrum in the UV-Visible and near infrared region of 300 to1000nm and the energy transforming efficiency being 3 percent. The performances of prepared solar batteries are respectively: white light (light intensity of 100mW/cm<2> ) irradiating, the open-circuit voltage is equal to 0.37 to 0.54 V; the short circuit current is equal to 6.69 to 13.8mA/cm<2>; the packing factor is equal to 0.35 to 0.44; and the efficiency of energy transformation is equal to 1 to 3 percent.

Certain thienopyrrolyl and furanopyrrolyl compounds are disclosed as useful to treat or prevent disorders and conditions mediated by the histamine H₄ receptor, including allergic rhinitis.

The invention discloses an organic dye based on tetrathienopyrrole as well as a preparation method and application thereof. The organic dye takes tetrathienopyrrole as a conjugated bridge. A general structural formula of the organic dye is shown in the specification, wherein in the formula, R1 is H or C1-C12 alkoxy; R2 is C1-C12 alkyl; R3 is C6-C30 aromatic rings or aromatic heterocyclic radicals. The preparation method of the dye is simple, is easy to operate and has high yield. The organic dye has a wide spectral response range in visible and near-infrared light regions and high molar extinction coefficient. Dye-sensitized solar cells prepared by using the organic dye as a single sensitizer have photoelectric conversion efficiency as high as 9.40% under the 100mW/cm<2> light condition, so the organic dye has practical significance in improving the photoelectric properties of the dye-sensitized solar cells.

The invention belongs to the technical field of the preparation of near-infrared dye, and relates to a preparation method of thiophene and pyrrole quinoidcompound. The dye has good stability in air, strong light absorbing capability in the near infrared region, maximum absorption wavelength at 709-880 nm, low LUMO energy level, narrow HOMO-LUMO energy level bandgap, wide range of conjugated system, excellent flatness, strong self-assembly capacity and good solubility, and is in favor of solution processing. The dye has great value in the fields of biological imaging, optical recording, organic solar cells and organic field effect transistors.

The invention discloses a perylenetetracarboxylic diimide copolymer containing a thiophenepyrrole dione unit, a preparation method thereof and an application thereof. The molecular structure of the copolymer is represented by general formula (I); and in the formula (I), n is an integer between 1 and 200, R1, R2, and R3 are selected from hydrogen, C1-C20 alkyl, C1-C20 alkyloxyphenyl, or phenyl, R4and R5 are selected from C1-C20 alkyl, and R6 is selected from C1-C20 alkyl or alkyloxy. The perylenetetracarboxylic diimide copolymer containing the thiophenepyrrole dione unit of the invention has the advantages of good solvability, high carrier mobility, strong absorbance, wide light absorption range, and improvement of the sunlight utilization rate; and the preparation method has the advantages of simple process, high yield, and easy operation and control.

The invention provides a thiophene compound, a preparation method and application thereof and a perovskite solar battery. The thiophene compound is shown in a formula (I), R1 and R1' are independently H, C1-C12 alkyls or C1-C12 alkoxyls respectively, and R2, R3 and R4 are independently H, C1-C12 alkyls, C1-C12 alkoxyls or C1-C12 alkoxyl substituted phenyls respectively. Compared with the prior art, the thiophene compound is of a structure that dithienothiophene, thieno pyrrole or dithieno cyclopentadiene is conjugated and coupled with two triarylated amine, so that the hole mobility of the compound is high, and further the perovskite solar battery of a hole transportation layer prepared from the thiophene compound has high energy conversion efficiency.

The invention discloses a trithienopyrrole-thiophene-containing organic dye, and an application thereof in dye-sensitized solar cells, and belongs to the technical field of solar cells. The organic dye has D-pi-A type structural characteristics, and is obtained through adopting triphenylamine as an electron donor, cyanoacrylic acid as an electron acceptor and a trithienopyrrole-thiophene unit as a conjugated bridge; and long alkyl chains are introduced to two ends of the lateral side of the trithienopyrrole-thiophene conjugated bridge to inhibit dye aggregation and alleviate the battery interface electron compounding. The dye-sensitized solar cells using the organic dye have a photoelectric conversion efficiency of 8.37% .

The invention provides a sulfothiazole-dithienopyrrole-benzodithiophene-containing copolymer and its preparation method and use. The sulfothiazole-dithienopyrrole-benzodithiophene-containing copolymer is a compound P having the structural formula shown in the description and in the structural formula, R1 represents H, C1-C16 straight chain or branched chain alkyl, or C1-C16 straight chain or branched chain alkylmercapto group, R2 represents C1-C12 straight chain or branched chain alkyl or other groups shown in the description, R' represents C1-C12 straight chain or branched chain alkyl and n is an integer of 5-60. The sulfothiazole-dithienopyrrole-benzodithiophene-containing copolymer contains 4,8-bis(1,3-dithiol-2-aldehyde)benzo[1,2-b: 4,5-b']dithiophene derivative, sulfothiazole and dithienopyrrole units, has a high solar spectrum matching degree, and improves energy conversion efficiency.

The invention discloses a dibenzothiophene-thiophene pyrrolidone type double cable conjugate polymer and a preparation method thereof. The method comprises the following steps that alkyl bromide substituted thiophene pyrrolidone and a receptor nucleophilic reagent are added into an organic solvent; after the dissolving and balance, potassium carbonate is added; heating reaction is performed; aftercooling, chloroform and deionized water are added; liquid distribution is performed; organic phases are washed by saline water; drying and rotary evaporation are performed to obtain crude products; the crude products are subjected to silicagel column separation to obtain a pure intermediate M1; (2) the intermediate M1 and a dibenzothiophene type double tin reagent M2 are added into methylbenzene;after the solution is subjected to degasification treatment, a palladium catalyst and triphenylphosphine are added; heating reaction is performed; products are precipitated and filtered; the polymeris separated out in acetone; a filter membrane is used for suction filtration; vacuum drying is performed to obtain a black double cable polymer product. The prepared polymer has the advantages that an electron donor and a receptor are connected to form a single ingredient active layer through covalent bonds; the polymer is applied onto a photovoltaic device and belongs to an organic photovoltaicmaterial with excellent performance.

The invention provides a naphthalene tetracarboxyldiimide copolymer containing a thienopyrroledione unit. The general molecular formula of the copolymer is as described in the specification. In the general molecular formula, n is an integer in a range of 5 to 100, R1 is a C1-20 alkyl group or a constitutional unit as described in the specification, R2, R3 and R4 are selected from the group consisting of alkyl groups for H and C1 to C20 and alkoxy groups for C1 to C20, and R5, R6 and R7 are selected from the group consisting of alkyl groups for H and C1 to C20. Thienopyrroledione is an excellent acceptor material. The structure of a naphthalene tetracarboxyldiimide compound includes centronucleus of polycyclic aromatic hydrocarbon and an imide group with an electron-withdrawing characteristic, and an imide unit with strong electron-withdrawing capability in the compound can reduce the energy levels of HOMO and LUMO in a material, which is beneficial for injection of electrons. The naphthalene tetracarboxyldiimide copolymer containing the thienopyrroledione unit integrates the advantages of thienopyrroledione and the naphthalene tetracarboxyldiimide compound, has excellent charge transfer performance and can improve energy conversion efficiency of semiconductor devices when applied in semiconductor devices like a solar cell.

The invention relates to a conjugated polymer and application of the conjugated polymer in hybridization of a solar battery. The solar battery comprises glass, a conducting glass substrate layer, a hole transporting layer, a photosensitive layer, a pure quantum dot layer, an electron transporting layer and an electrode, wherein the conducting glass substrate layer is adhered on the glass; the hole transporting layer is attached with the conducting glass substrate layer; the photosensitive layer is attached with the hole transporting layer; the pure quantum dot layer is attached with the photosensitive layer; the electron transporting layer is attached with the pure quantum dot layer; and the electrode is attached with the electron transporting layer. The conjugated polymer has the advantages that the photosensitive layer is prepared by dithiophene-pyrrole copolymer and inorganic quantum dots according to the mass ratio of 1:1-1:19. For the solar battery, the maximum filling factor can reach 65.8% and the maximum energy conversion efficiency can reach 5.50%.

The invention discloses a thienopyrroloquinone compound, a preparation method and application thereof as a semiconductor active layer in an organic field effect transistor. These compound has the advantages of good planarity, strong self-assembly ability, low LUMO energy level, narrow energy band gap, and insensitivity to oxygen and water. The introduction of pyrrole structure facilitates the regulation of solubleness of a sample by modification of substituents, and facilitates solution processing. The organic field-effect transistor with compound Ia as a semiconductor layer prepared by a spin-coating method has excellent bipolar field-effect properties (muh = 5.3*10<-3> cm <2> / V s, m e = 7.7*10<-3> cm<2> /V s). The switching current ratio is higher than 10<4>; and the compound is stable in the air, and has important application value.

The present invention relates to a thienopyrrole compound represented by the following formula [I]

wherein each symbol is as defined in the specification, or a pharmaceutically acceptable a salt thereof, and a hepatitis C virus (HCV) polymerase inhibitor and a therapeutic agent for hepatitis C containing this compound as an active ingredient. The compound of the present invention shows an anti-HCV activity based on the HCV polymerase inhibitory activity, and useful as an agent for the prophylaxis or treatment of hepatitis C.

The invention relates to an N-ester substituent bithiophene/pyrrole conjugated polymer, belonging to the field of polymer solar cell materials. The structural formula of the N-ester substituent bithiophene/pyrrole conjugated polymer is disclosed as formula I, wherein R is C6-C12 straight-chain and branched-chain paraffins. The polymer can be used as the electron donor material of the polymer solar cell to effectively lower the HOMO energy of the donor material and obtain the photovoltaic device with high open circuit voltage, thereby enhancing the photoelectric conversion efficiency of the polymer solar cell.

The invention relates to a perylene tetracarboxylic diimide copolymer containing a dithiophen-pyrrole unit and a preparation method and application thereof. The structural formula of the copolymer is shown in the specification, wherein n is an integer between 1 and 100; R1, R2 and R3 are hydrogen, C1-C20 alkyl, C1-C20 alkoxy benzene or phenyl; and R4 is C1-C20 alkyl. By introducing a substituent to a 'bay' position of perylene tetracarboxylic diimide and copolymerizing the perylene tetracarboxylic diimide with other monomers, the solubility of the perylene tetracarboxylic diimide can be effectively improved; and the modified perylene tetracarboxylic diimide has good solubility, strong absorbance, wide absorption range, improved utilization rate of sunlight and excellent charge transport properties, can extend to a near-infrared region, and can be used as an organic semiconductor material to be applied in organic solar cells, organic electroluminescence, organic field-effect transistors, organic optical storage, organic non-linear materials, organic lasers and other fields.

There is provided compounds of formula I: wherein the dotted lines, U5 V5 X¹, Y R¹, R² and R⁴ have meanings given in the description, and pharmaceutically-acceptable salts thereof, which compounds are useful in the treatment of diseases in which inhibition of the activity of a member of the MAPEG family is desired and/or required, and particularly in the treatment of inflammation.

The invention provides a donor-acceptor-donor-acceptor-donor oligothiophene derivative taking dithienopyrrole as a molecular center. The chemical structural formula of the derivative is shown in formula I in the description, synthesis comprises the steps that 2,6-di(trimethyl-tin)-N-iso-octane-dithieno[3,2-b:2',3'-d]pyrrole and 4,7-dibromine-[1,2,5]thiadiazole[3,4-c]pyridine react to synthesize an intermediate (2,6-2{(4-(7-bromine-[1,2,5]thiadiazole[3,4-c]pyridine)}-N-iso-octane-dithieno[3,2-b:2',3'-d]pyrrole); and then the (2,6-2{(4-(7-bromine-[1,2,5]thiadiazole[3,4-c]pyridine)}-N-iso-octane-dithieno[3,2-b:2',3'-d]pyrrole) reacts with 2-(trimethyl-tin)-5-(4-n-hexylphenyl)thiophene to obtain the target oligothiophene derivative. The oligothiophene derivative has a narrow band gap, a lowHOMO energy level, good solubility and film formation, and is expected to be used as an organic semiconductor material in the preparation of organic thin film field effect transistors, organic light emitting diodes and organic solar cell devices.

The invention belongs to the field of solar cells, and discloses a thiophene pyrroledione based co-polymer 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 material provided by the invention, benzo-dithiophene has easily modified photophysical properties, the co-polymer of the benzo-dithiophene present excellent photovoltaic performance; thiophene pyrroledione has a simple, symmetrical and polar structure and is beneficial to electron delocalization when the thiophene pyrroledione is polymerized with other monomers; and the thiophene pyrroledione has relatively strong electron-withdrawing effect that results in reduction of an HOMO energy level and a LUMO energy level, thereby facilitating the increase of an open-circuit voltage. The performance can improve energy conversion efficiency of solar energy, so that the problem of low efficiency of polymer solar cells is solved.

The invention belongs to the field of photoelectric materials, and specifically discloses a high-efficiency thick-film full-polymer solar cell active layer material as well as a preparation method andapplication thereof. The active layer material is a composition of polymer donor P(BDT)a(TPD)b and polymer acceptor PNDI2HD-T; and the preparation method comprises the following steps: firstly the Da-Ab type binary random copolymer donor P(BDT)a(TPD)b based on benzodithiophene and thienopyrroledione is obtained by a random copolymerization method, the polymer donor P(BDT)a(TPD)b and the polymer acceptor PNDI2HD-T are mixed, 2-methyltetrahydrofuran is added, dissolution is performed under stirring, sieving treatment is performed, and therefore the polymer donor/acceptor composition solution isobtained, that is, the full-polymer solar cell active layer material. According to the method provided by the invention, a green solvent is used for dissolution, and the high-efficiency thick-film active layer composition P(BDT)5(TPD)4/PNDI2HD-T is prepared without the need of post-treatment; the film thickness is up to 120 nm or more, and a device prepared based on such films has conversion efficiency of higher than 7% and shows high efficiency and thick film characteristics; and meanwhile, environmental protection of the green solvent and simplification of materials and processes are beneficial to commercial applications of full-polymer solar cells.

The invention discloses an asymmetric fused heterocyclic small molecule receptor material based on dithienopyrrole and application thereof. The method comprises the following steps: firstly, the dithienopyrrole serving as a raw material is mixed with 2,5-dibromoterephthalic acid diethyl ester for unilateral coupling, and then the product is subject to secondary coupling with thiophene, bithiopheneand trithiophene respectively to obtain corresponding asymmetric coupling products, and the asymmetric fused heterocyclic small molecule electron acceptor material based on the dithiophene pyrrole issynthesized through a series of reaction steps such as cyclization, condensation and the like. The asymmetric fused heterocyclic micromolecules based on the dithienopyrrole synthesized by the invention have good thermal stability, solubility and film-forming property, have appropriate optical band gaps and strong light absorption capability, and obtain excellent photoelectric conversion efficiency when being used as electron acceptor materials of organic solar cells.