129 results about "Polythiophene derivative" patented technology

The invention relates to a flexible polymer solar battery of an anode layer of a metal grid, which comprises a flexible substrate, an anode layer, a hole transport layer, an active layer, an electron transfer layer and an Al electrode cathode and is characterized in that the anode layer is made from one or more of composition metal wire grid materials of Ag, Cu, and Ni. In the solar battery, a silver, copper and nickel (Ag: Cu: Ni) metal grid/LiF combined electrode is used as the anode; compared with the battery prepared by a common flexible substrate ITO electrode, the flexible solar battery prepared by taking P3HT/PCB as the active layer can show up better performance; after a layer of lithium fluoride (LiF) layer with the thickness of 2nm is added between the Ag: Cu: Ni metal grid and the polythiophene derivative doped polystyrolsulfon acid (PEDOT: PSS) layer, the film formation of PEDOT: PSS on the surface of the anode is improved, the balance between the hole and the electron transport is enhanced, and compared with the battery with the common flexible substrate ITO electrodes, the energy conversion efficiency is obviously improved.

The invention relates to a flexible transparent conductive thin film and a preparation method thereof. The flexible transparent conductive thin film comprises a transparent substrate and a conductive layer, wherein the conductive layer is overlapped on the transparent substrate and is made of conductive polymer, silver nanowires and curing resin, the silver nanowires and the curing resin are dispersed in the curing resin, the silver nanowires are mutually overlapped, the silver nanowires and the conductive polymer form a conductive network, and the conductive polymer is at least one of polypyrrole, polypyrrole derivative, polythiophene, polythiophene derivative, polyaniline, polyaniline derivative, polyacetylene, polyacetylene derivative, and poly (sodium 4-styrenesulfonate). The flexible transparent conductive thin film has the advantages that the conductivity is better, and the transparency rate is higher.

This invention relates to a conductive polymer composition for a transparent electrode and a touch panel using the same. The conductive polymer composition for a transparent electrode includes a polythiophene derivative, at least one dopant, at least one binder, and the remainder solvent. When the transparent electrode formed of the conductive polymer composition is used, the touch panel having high conductivity, superior transmittance, adhesion and flexibility, and a low sheet resistance of 100˜300 Ω/□ can be provided.

The present invention discloses a soluble polythiophene derivative containing highly coplanar repeating units. The coplanar characteristic of the TPT (thiophene-phenylene-thiophene) units improves the degree of intramolecular conjugation and intermolecular π-π interaction. The polythiophene derivative exhibits good carrier mobility and is suitable for use in optoelectronic devices such as organic thin film transistors (OTFTs), organic light-emitting diodes (OLEDs), and organic solar cells (OSCs).

A laminated film including a thermoplastic resin film and an laminated layer that is formed on at least one side of the thermoplastic resin film and comprises (A) a composition, (B) an epoxy crosslinking agent and (C) an acrylic resin having an alkyl chain of 18 to 25 carbon atoms is characterized in that the composition (A) is a composition containing at least a polythiophene and a polyanion and/or a composition containing a polythiophene derivative and a polyanion, the laminated layer contains 15 to 100 parts by weight of the acrylic resin (C) having an alkyl chain of 18 to 25 carbon atoms based on 100 parts by weight of the sum of the composition (A) and the cross-linking agent (B) and/or its reaction product, at least one side of the laminated film has a three-dimensional average surface roughness (SRa) of 3 to 50 nm, and the laminated film contains less than 10 internal contaminant particles with an average particle size of at least 100 mum per 1 m<2>, so that it has high level of electrical conductivity, good releasability and water resistance, and also has oligomer precipitation-preventing properties during heating.

The invention relates to a preparation method for polypyrrole/polythiophene derivative compound conductive high polymer material, which comprises the following steps: firstly, boron trifluoride diethyl ether and aether are blended, and then added with ionic liquid to obtain A solution; pyrrole and thiofuran derivative monomer are added into the A solution to prepare B solution; the B solution is added into an electrolytic cell equipped with three electrodes; and electrochemical polymerization is carried out under the protection of nitrogen; polymerized current density is 1-10 mA/cm2; a layer of uniform polypyrrole/polythiophene derivative complex film can be obtained on a working electrode after polymerization is finished; the working electrode is taken out for washing and dried in the temperature of 60 DEG C. The preparation method has the beneficial effects that the composite electrode material prepared by the invention has about 200 F/g of bulking value and an electrical potential widow with about 0-2.8 width in organic solvent, and still has higher specific capacity and better circulation stability when discharging in high power.

The invention belongs to the field of electrochemical materials, and discloses a graphene oxide/polythiophene derivative composite material as well as a preparation method and application thereof. The preparation method of the composite material comprises the steps as follows: preparing graphite oxide, preparing graphene oxide solution, preparing mixed solution of the graphene oxide and a polythiophene derivative monomer, and preparing the graphene oxide/polythiophene derivative composite material. The graphene oxide/polythiophene derivative composite material has the advantages of good discharge performance, long cycle life, high thermostability, etc.

A conductive polymer film having an antistatic function and an electromagnetic wave shielding function, and also having excellent optical properties such as transparency even if the film is arranged in the interior of LCD. The conductive polymer film comprises a polymer film and a conductive polymer adhered to the surface thereof, wherein the conductive polymer comprises polythiophene or polythiophene derivatives, the polymer film comprises an acetyl cellulose material or a norbornene material, a layer of the conductive polymer has a thickness of 3 μm or less, and the conductive polymer film has a visible light transmission of 78% or more and a surface resistivity of 10³-10¹² Ω/square.

An EL element is provided in which a conjugate polymer that has a polythiophene derivative, a polyaniline derivative, a polypyrrole derivative or a polyfuran derivative as a fundamental skeleton and is soluble in an organic solvent is oxidized in its main chain with a dopant of an electron-accepting organic molecule that does not contain an acid component, and the doped conjugate polymer is used as a material to form a hole injecting layer. The polymer, being soluble in an organic solvent, can be formed in film even on a substrate high in the water repellency; that is, it can be easily formed in film on a TFT substrate and the like indispensable for an active matrix display device. Furthermore, since a dopant that does not contain an acid component is used, influence on an organic thin film and an electrode that are in contact with the hole injecting layer can be suppressed to the minimum level.

A laminated film is provided, in which a laminated layer including at least 50 percent by weight of composition (A) and cross-linking agent (B) is laminated on at least one surface of a thermoplastic resin film, wherein the composition (A) is a composition comprising a polythiophene and a polyanion or a composition comprising a polythiophene derivative and a polyanion, and the laminated layer has a sea-island structure in which the cross-linking agent (B) is present in the composition (A). Consequently, a laminated film exhibits an unprecedentedly high level of antistatic property unaffected by changes in humidity, and has excellent transparency, water resistance, and scratch resistance.

The present invention discloses a soluble polythiophene derivative containing highly coplanar repeating units. The coplanar characteristic of the TPT (thiophene-phenylene-thiophene) units improves the degree of intramolecular conjugation and intermolecular π-π interaction. The polythiophene derivative exhibits good carrier mobility and is suitable for use in optoelectronic devices such as organic thin film transistors (OTFTs), organic light-emitting diodes (OLEDs), and organic solar cells (OSCs).

The invention belongs to the field of electrochemical materials, and discloses a graphene/polythiophene derivative composite material as well as a preparation method and application thereof. The preparation method of the composite material comprises the following steps of: preparing graphite oxide; preparing a mixed solution of graphene oxide and thiophene derivative monomer; preparing the graphene/polythiophene derivative composite material; and purifying the graphene/polythiophene derivative composite material. The prepared graphene/polythiophene derivative composite material has the advantages of good discharge performance, long cycle life, high thermal stability and the like.

The invention belongs to a method for preparing a polymer solar battery. The polymer solar battery device adopts transparent indium tin oxide ITO as the anode which is modified by polythiophene derivative mixed with poly (3,4-dioxygen ethythiophene): poly (p-styrenesulfonic acid) water solution (PEDOT:PSS); the active layer is a mixture of electron donor polymer BEH-co-MEH-PPV:PCBM; and metal adopts a compound cathode LiF/Al as the cathode, that is, a thin layer LiF is inserted between a photoactive layer and Al, so that excellent ohmic contact is formed between metal electrodes and the photoactive layer, the impedance of the system is reduced, and the performance of the polymer solar battery can be effectively improved.

The invention discloses a polythiophene with the side chain containing a hydrophilic group, and a preparation method thereof. The method comprises the following steps: carrying out a 2-step reaction on 3-methoxythiophene used as a raw material to synthesize a hydrophilic polythiophene derivative with the side chain containing an alkyloxy group; and carrying out a 3-step reaction to synthesize a hydrophilic polythiophene derivative with an alkylolamino-terminated side chain. The polythiophene derivative film of polythiophene with the side chain containing a hydrophilic group is hydrophilic, and contact angle test shows that the polythiophene with the terminal group containing an alkylolamino group has better hydrophilicity than the polythiophene with the side chain only containing the alkyloxy group, has excellent performances not possessed by general polymeric materials, and can be used in new generation photoelectric devices and chemiluminescence and bioluminescence sensors.

The invention relates to a method of the colorimetric detection of target DNA by combining nanometer gold with polythiophene ramification, which comprises the following steps of: preparing a detection reagent (the nanometer gold and the polythiophene ramification) and a probe; and detecting the sequence of the target, etc. Based on the principle that a signal cascade is amplified due to the change of the color since the stability of the NDA-nanometer golden solution is changed when the polythiophene ramification is combined with the ssDNA/dDNA, the method realizes the high-sensitivity and fast detection of the DNA under the double action of a color converting developer and an amplified label, thereby building an analysis platform which directly detects the gene by combining the nanometer gold with the polythiophene ramification. The method has simple operation, does not need special instrument and equipment, has the characteristics of specificity, speediness and high sensitivity, and can be applied to the diagnosis and the detection of the target DNA in the clinical laboratory medicine and the environment.

The invention provides a soluble polythiophene derivative with coplanar groups. The coplanar groups take thiofuran-p-phenylene group- thiofuran as the main composition, thus being capable of enhancing the conjugate degree in molecules and helping the Pi-Pi acting force and further improving the carrier mobility of materials. The invention also relates to applications of the soluble polythiophene derivative on optelectronic components such as an organic thin film transistor, an organic light emitting diode and an organic solar cell and the like.

The invention relates to an oligothiophene derivative and a preparation method thereof. The preparation method of the oligothiophene derivative mainly comprises the following steps of: dissolving 3TB into dichloromethane, adding NBS (N-bromosuccinimide), stirring and reacting so as to obtain 3TB-3Br; adding EDOT (3,4-ethylenedioxythiophene) and tetrahydrofuran into a three-neck flask, controlling the reaction temperature to be minus 78 DEG C, dropwise adding n-butyllithium, gradually raising to be room temperature after the dropwise adding, and continuously reacting; subsequently decreasing the reaction temperature to be minus 78 DEG C, dropwise adding tributyl stannic chloride, gradually raising to be the room temperature after the dripping, and reacting to obtain an EDOT tin reagent; under the protection of nitrogen, adding methylbenzene into the three-neck flask, further adding the 3TB-3Br and the EDOT tin reagent, carrying out backflow reaction so as to obtain a 3TB-3Br crude product, thus obtaining pure 3TB-3EDOT through separation. As cation (or anion) free radicals generated in electrochemical doping are stable, the oligothiophene derivative can be used as a novel organic electrochromic material.

The invention discloses soluble polythiophene derivatives containing highly coplanar repeating units. The coplanar characteristic of side chain conjugated thiophene units improves the degree of the intramolecular conjugation and intermolecular π-π interaction. The polythiophene derivative exhibits good carrier mobility and is suitable for use in photo-electronic device such as organic thin film transistors (OTFT), organic light-emitting diodes (OLEDs), and organic solar cells (OSCs).

The invention provides polythiophene derivatives and a synthesizing method thereof, belonging to the technical field of chemical industry. The method greatly reduces the HOMO energy level of a polymer by strong electron-withdrawing introduced imidodicarbonic diamide radicals, and has the advantages of simple polymerization method and mild polymerization condition. The soluble polythiophene derivatives can be used in optoelectronic devices, such as organic membrane transistors, organic light emitting diodes or organic solar cells. The product prepared by the method has a structural formula as the specification.

A 3,4-alkdioxthipphene and 3,4-alkylenedioxthipphene-2,5-dicarboxylic acid ester and its synthesizing method are disclosed. The method is carried out by: taking thiodiglycol diester as materials, comprehensive reacting with Arrcostab oxalate, obtaining intermediate product, and alkylation reacting. It achieves simple operation, and short reacting period.

A polythiophene derivative with a side chain containing naphthalene groups is a copolymer of 4-methyl-3-(4'-trimethyl ammonium chloride propoxy)-thiophene and 3-(naphthalene amide ethyl) thiophene. The structural formula of the polythiophene derivative can be seen in the specification. The polythiophene derivative with the side chain containing the naphthalene groups serves as a fluorescent probe material used for detecting triphosadenine. The polythiophene derivative with the side chain containing the naphthalene groups has the advantages that the polythiophene derivative is a pi-conjugated polymer and is extremely sensitive to outside stimulation, release of dye optical signals is controlled by the polymer chain conformation, the two functional groups of quaternary ammonium salt and naphthalene are introduced in the side chain of the polythiophene derivative to enhance the interaction of the polythiophene derivative and triphosadenine, the color of a probe solution and the fluorescence intensity can still be obviously changed under extremely low detection concentration, and the detection sensitivity is greatly improved; a probe is quick in response to triphosadenine, high in selectivity and good in water solubility, and a preparing method of the polythiophene derivative is simple and easy to implement, low in cost and obvious in economic technology effect.

The invention relates to a polythiophene derivative aqueous dispersion and a preparation method thereof, and aims at improving the electrical conductivity and other properties of the aqueous dispersion. The aqueous dispersion is prepared from the following components in percent by mass: 0.3-10 percent of poly(3,4-dialkoxythiophenes), 0.3-20 percent of polyanion and 0.06-20 percent of solubilizer. The preparation method comprises the following steps: mixing poly(3,4-dialkoxythiophenes), polyanion, oxidant, solubilizer and aqueous solvent to react; carrying out anion exchange and/or cation exchange treatment on the solution obtained after reaction so as to obtain the polythiophene derivative aqueous dispersion, wherein the solubilizer is one or more of polysorbates, polyoxyethylene aliphatates, tweens, polyoxyethylene hardened castor oil, polyoxyethylene castor oil, fatty alcohol polyoxyethylene-polyoxypropylene ether, polyoxyethylene sorbitan fatty acid ester and polyglycerol fatty acid ester. The dispersion prepared by the method is high in viscosity, small in granularity and high in electrical conductivity.