Abstract: An electron-donating polymer including a repeating unit A with a repeating unit represented by Chemical Formula 1 and at least one of repeating units represented by Chemical Formulae 2-4.

Abstract: It is an object of the present invention to provide a fused ring compound which can exhibit sufficient charge transport properties and which has excellent solubility in a solvent. The fused ring compound according to the present invention is represented by the following general formula (1), wherein R11 and R12 each independently represent a hydrogen atom, an alkyl group having 1 to 20 carbon atoms, an alkoxy group, an alkylthio group, an alkylamino group, an alkoxycarbonyl group, an optionally substituted aryl group having 6 to 60 carbon atoms, an optionally substituted heterocyclic group having 4 to 60 carbon atoms, or a cyano group, provided that at least one of R11 and R12 is not a hydrogen atom; R13 and R14 each independently represent a monovalent group, and n and m each independently denote an integer of 0 to 2; and Y11 and Y12 are each independently a divalent group comprising a sulfur atom, an oxygen atom, a nitrogen atom, a selenium atom or a tellurium atom.

Abstract: A conjugated polymer containing isoindigo units is disclosed, which has the following structure: P: formula I; wherein, Ar is formula II, formula III or formula IV; R1 is a C8-C20 alkyl; R2 is a C1-C12 alkyl; n is an integer of 2-50. The conjugated polymer containing isoindigo units of this type has good solubility and film-forming property, as well as high thermal stability. HOMO and LUMO energy level are regulated effectively; the absorption range is broaden; and the energy conversion efficiency is greatly improved. A preparation method for the above conjugated polymer containing isoindigo units and use thereof in related fields are also provided.

Abstract: A photovoltaic cell is provided that includes a first electrode, a second electrode, and a photoactive layer disposed between the first and second electrodes. The photoactive layer includes a photoactive polymer containing a first monomer repeat unit, which contains a moiety of formula (1): in which A and R are defined in the specification.

Abstract: Disclosed are certain polymeric compounds and their use as organic semiconductors in organic and hybrid optical, optoelectronic, and/or electronic devices such as photovoltaic cells, light emitting diodes, light emitting transistors, and field effect transistors. The disclosed compounds can provide improved device performance, for example, as measured by power conversion efficiency, fill factor, open circuit voltage, field-effect mobility, on/off current ratios, and/or air stability when used in photovoltaic cells or transistors. The disclosed compounds can have good solubility in common solvents enabling device fabrication via solution processes.

Abstract: An amine-containing difluoro benzotriazolyl polymer, preparation method, and use thereof are provided; the polymer has a structure as represented by formula (I), both R1 and R2 are alkyls from C1 to C20, n is an integer from 10 to 50. In the polymer of the present disclosure, because the 1,2,3-benzotriazole solar cell material contains two fluorine atoms, the HOMO energy level is reduced by 0.11 eV, the fluorine-substituted 1,2,3-benzotriazole has two imido groups with strong electron-withdrawing property; the 1,2,3-benzotriazole is a heterocyclic compound with strong electron-withdrawing property, and an alkyl chain can be easily introduced to the N-position of the N—H bond of the benzotriazole; the functional group of the alkyl chain can improve solar energy conversion efficiency, thus solving the low efficiency problem of the solar cell made from the solar cell material.

Abstract: An organic semiconductor material is provided. The organic semiconductor material includes a compound represented by formula (1): wherein r and s each independently represent a positive integer of 1 to 20; n represents a positive integer of 2 to 10000; X1, X2 and X3 each independently represent O, S, Se, Te, NR, RCR, RSiR, RGeR or RSnR; Y1 and Y2 each independently represent H, F, Cl, CF3, haloalkyl, CN, R, OR, SR, COOR or COR; and Z1, Z2, Z3 and Z4 each independently represent H, F, Cl, CF3, haloalkyl, CN, R, OR, SR, COOR or COR, wherein R represents alkyl group.

Abstract: A Pechmann dye based polymer of formula 1, below, is provided.

Abstract: An electron donating polymer including moiety A represented by Chemical Formula 1, and a solar cell including the electron donating polymer are provided. In Chemical Formula 1, X1 is a functional group including at least two ester residual groups and a substituted or unsubstituted divalent aliphatic organic group linking the ester residual groups, and X2 is one of hydrogen, a halogen atom, a substituted or unsubstituted C1 to C20 aliphatic group, a hydroxy group, a substituted or unsubstituted C1 to C20 alkoxy group, a substituted or unsubstituted C1 to C30 ketone group, a substituted or unsubstituted C1 to C20 ester group, a thiol group, —SR100 (wherein R100 is one of a substituted or unsubstituted C1 to C20 aliphatic group, a substituted or unsubstituted C2 to C30 aromatic group, and a substituted or unsubstituted C2 to C30 heterocycloalkyl group), and a combination thereof.

Abstract: An improved polymerization method including a method comprising providing a reaction mixture comprising a first monomer, an organic oxidant, and at least one Lewis acid or Brönsted acid, wherein the first monomer comprises at least one optionally substituted heterocyclic ring, wherein the heterocyclic ring comprises at least one heteroatom; and reacting the reaction mixture to obtain a conjugated polymer. The method can reduce the content of undesirable entities in the polymer such as halogens and metals, which can be useful in organic electronic device applications. Purification methods also are adapted to remove organic and inorganic impurities.

Abstract: Nitrogen-containing fused ring compound having at least one structural unit selected from the group consisting of a structural unit represented by the formula (1-1) and a structural unit represented by the formula (1-2).

Abstract: A conjugated polymer containing dithienopyrrole-quinoxaline, the preparation method and uses thereof are provided. The structural formula of the polymer is general formula (I) as follows: wherein, x+y=1, 0<y?0.5, n is an integer and 1<n?100, R1 is selected from C1 to C20 alkyl group, and R2 and R3 are selected from —H, C1 to C20 alkyl group, C1 to C20 alkoxyl group, alkyl-containing phenyl group, alkyl-containing fluorenyl group, or alkyl-containing carbazyl group. The polymer can be used for polymer solar cells and the like.

Abstract: An organic semiconductor compound may include a structural unit represented by the aforementioned Chemical Formula 1 and an organic thin film and an electronic device may include the organic semiconductor compound.

Abstract: The present invention relates to compounds of the formula (I), to the use of compounds of the formula (I) in electronic devices, and to electronic devices comprising one or more compounds of the formula (I). The invention furthermore relates to the preparation of the compounds of the formula (I) and to formulations comprising one or more compounds of the formula (I).

Abstract: Described herein are compositions including heterocyclic organic compounds based on fused thiophene compounds, polymers based on fused thiophene compounds, and methods for making the monomers and polymer along with uses in thin film-based and other devices.

Abstract: It is an object of the present invention to provide a nitrogen-containing condensed ring compound, which can be used as an organic n-type semiconductor having an excellent electron transport property and which is also excellent in terms of solubility in an organic solvent. The nitrogen-containing condensed ring compound of the present invention has a structural unit represented by the following formula (1-1) or formula (1-2): wherein Ar1 represents an aromatic ring; one of Y1 and Y2 represents a single bond, and the other represents —C(R11)(R12)— or —C(?X1)—; one of Y3 and Y4 represents a single bond, and) the other represents —C(R21)(R22)— or —C(?X2)—, and one of Y1 to Y4 represents —C(R11)(R12)— or —C(R21)(R22)—; at least one of W1 and W2 represents —N?; and Z1 and Z2 each represent any one of the groups represented by the formula (i) to the formula (ix).

Abstract: The present invention relates to solar cells and discloses a difluoro benzotriazolyl solar cell material and preparation method and use thereof. The solar cell material is represented by formula (I), wherein both R1 and R2, are C1 to C20 alkyl, and n is an integer from 10 to 50. In the difluoro benzotriazolyl solar cell material, since the 1,2,3-benzotriazole solar cell material contains two fluorine atoms, the HOMO energy level is reduced by 0.11 eV, while the fluorine-substituted 1,2,3-benzotriazole has two imido groups with electron-withdrawing ability; the fluorine-substituted 1,2,3-benzotriazole is a heterocyclic compound with strong electron-withdrawing ability, and an alkyl chain can be easily introduced to the N-position of the N—H bond of the benzotriazole. The functional group of the alkyl chain can improve the solar energy conversion efficiency, thus solving the low efficiency problem of solar cells made of the solar cell material.

Abstract: Novel semiconducting photovoltaic polymers with conjugated units that provide improved solar conversion efficiency that can be used in electro-optical and electric devices. The polymers exhibit increased solar conversion efficiency in solar devices.

Abstract: The present disclosure relates to a process for the synthesis of a conducting polymer comprising a benzothiadiazole acceptor and indeno-fluorene donor of formula [IV].

Abstract: The present invention relates to compounds for use in electronic devices, preferably organic electroluminescent devices. The invention furthermore relates to processes for the preparation of these compounds and to electronic devices comprising these compounds, preferably in a function as matrix materials and/or as electron-transport materials.

Abstract: Provided are a co-polymer of formula (I) of 2,7-carbazole and dithienyl thiazolothiazole, a method for preparing same, and a solar battery containing same. The structural formula of the co-polymer of 2,7-carbazole and dithienyl thiazolothiazole is as shown by formula (I), wherein both R1 and R2 are C1-C20 alkyl groups, and n is an integer of 10-100. The co-polymer of the present invention has a novel structure, a good dissolving property, an excellent film-forming property, and a high power conversion efficiency, and can be used as the material for a solar battery. Also provided are the method for preparing the co-polymer and the solar battery containing same. The preparation method uses raw materials widely available and has a simple synthesis route.

Abstract: A photovoltaic polymer material, preparation method and use thereof are provided. Said photovoltaic polymer material has the following formula (I). The photovoltaic polymer material has the thiophene-phenylene-thiophene (TPT) derivative as the basic structure unit, and by the introduction of D1 and D2 structures to modify the TPT, and the photovoltaic polymer material has the characters of higher hole mobility, narrower band gap and broader absorption region.

Abstract: The polyimide precursor composition of the present invention is characterized in comprising a polyimide precursor having a structure formed by reacting a diamine component (A) containing a fluorine-containing aromatic diamine (a1) represented by the following chemical formula (I) (in the formula (I), R1 and R2 are each independently selected from —H, —(CF2)n—CF3, and —O(CF2)n—CF3 (n is an integer of 0 or more and 7 or less), and at least one of R1 and R2 is a fluorine-containing group) and trans-1,4-cyclohexyldiamine (a2) with an acid dianhydride component (B) containing an aliphatic tetracarboxylic dianhydride (b1) and an aromatic tetracarboxylic dianhydride (b2). Use of the composition of the present invention provides a polyimide film and a transparent flexible film having high transparency, low thermal expansion properties, low birefringent properties, and high heat resistance.

Abstract: The present invention relates generally to high sulfur content polymeric materials and composites, methods for making them, and devices using them such as electrochemical cells and optical elements. In one aspect, a polymeric composition comprising a copolymer of sulfur, at a level in the range of at least about 50 wt % of the copolymer, and one or more monomers each selected from the group consisting of ethylenically unsaturated monomers, epoxide monomers, and thiirane monomers, at a level in the range of about 0.1 wt % to about 50 wt % of the copolymer.

Abstract: A fluorene copolymer, method for preparation thereof, and use thereof are provided. Said fluorene copolymer comprises copolymer represented by formula (I), wherein R1-R2, R5-R8 are selected from H or C1-C20 alkyl, R3-R4 are selected from H, C1-C20 alkyl, C1-C20 alkoxyl, phenyl or phenoxyl, x+y=1, x?0, y?0; n is an integer of 1 to 200, Ar1 is thiophene unit-containing group. On account of thiophene unit and thienopyrazine unit, the fluorene copolymer has wide spectrum response range and favorable stability.

Abstract: The present invention is directed to polymeric materials including a copolymer of at least a first and second monomer that have desirable electrical and optical properties, such as a low band gap and near infrared (NIR) absorption, respectively. More specifically, the present invention is directed to polymeric materials with charge neutrality that display increased solubility in aqueous media while retaining their electrical and optical properties. The polymeric materials in accordance with the present invention can be modified with any desired functional group to tailor the polymer materials for a specific application. Also described are methods of making the polymeric materials in accordance with the present invention.

Abstract: Disclosed are certain polymeric compounds and their use as organic semiconductors in organic and hybrid optical, optoelectronic, and/or electronic devices such as photovoltaic cells, light emitting diodes, light emitting transistors, and field effect transistors. The disclosed compounds can provide improved device performance, for example, as measured by power conversion efficiency, fill factor, open circuit voltage, field-effect mobility, on/off current ratios, and/or air stability when used in photovoltaic cells or transistors. The disclosed compounds can have good solubility in common solvents enabling device fabrication via solution processes.

Abstract: A polymer comprises a polymeric chain represented by formula (I) or (II). In formula (I), a, b, c, d, and n are integers, a from 0 to 3, b from 1 to 5, c from 1 to 3, d from 1 to 5, and n from 2 to 5000; R1 and R2 are side chains; R3 and R4 are each independently H or a side chain; and when a is 0, R3 and R4 are side chains. In formula (II), a, b, c, d, e, and n are integers, a from 1 to 3, b and c being independently 0 or 1, d and e being independently 1 or 2, and n from 2 to 5000; R1 and R2 are side chains except —COOalkyl; and X1, X2 and X3 are independently O, S, or Se. Semiconductors and devices comprising the polymer are also provided.

Abstract: The invention relates to novel organic semiconducting oligomers or polymers containing dithieno[2,3-d:2?,3?-d?]-s-indaceno[1,2-b:5,6-b?]dithiophene units, methods for their preparation and educts or intermediates used therein, polymers, blends, mixtures and formulations containing them, the use of the oligomers, polymers, blends, mixtures and formulations as semiconductor in organic electronic (OE) devices, especially in organic photovoltaic (OPV) devices, and to OE and OPV devices comprising these oligomers, polymers, blends, mixtures or formulations.

Abstract: A series of ladder-type multifused arenes (hexacyclic, heptacyclic and nonacyclic units) and the synthesizing methods thereof are provided. The ladder-type multifused arenes are copolymerized with various electron-deficient acceptor units to afford various p-type low-band gap conjugated copolymers.

Abstract: Disclosed are new semiconducting polymers. The polymers disclosed herein can exhibit high carrier mobility and/or efficient light absorption/emission characteristics, and can possess certain processing advantages such as solution-processability and/or good stability at ambient conditions.

Abstract: An organic semiconductor material, layer or component, comprising a copolymer of the formula wherein v and w each generally are from the range 4 to 1000; A is a benzodithiophene repeating unit of the formula II or III and COM is selected from certain arylene-type repeating units, and combinations thereof. The present copolymers, as well as composites thereof, may be used as semiconductor in the preparation of electronic devices such as photodiodes, organic field effect transistors and especially organic photovoltaic devices such as solar cells.

Abstract: Embodiments of the invention include polymers comprising a regioregular conjugated main chain section having an enantiopure or enantioenriched chiral side chain, as well as methods and materials for producing such polymers. Illustrative methods include regioselectively preparing a monomer that includes an enantiopure or enantioenriched chiral side group, and then reacting these monomers to produce a polymer that comprises a regioregular conjugated main chain section having an enantiopure or enantioenriched chiral side chains. In illustrative embodiments of the invention, the regioregular conjugated main chain section can contain a repeat unit that includes a dithiophene and a pyridine.

Abstract: A thin-film transistor comprises a semiconducting layer comprising a semiconducting material selected from Formula (I) or (II): wherein X, R1, R2, R3, R4, R5 a, b, and n are as described herein. Semiconducting compositions of Formula (I) or (II) are also described.

Abstract: The invention relates to novel organic semiconducting compounds containing one or more dialkylidene-s-indacenodiheteroarene groups, methods for their preparation and educts or intermediates used therein, polymers, blends, mixtures and formulations containing them, the use of the compounds, polymers, blends, mixtures and formulations as semiconductor in organic electronic (OE) devices, especially in organic photovoltaic (OPV) devices, and to OE and OPV devices comprising these compounds, polymers, blends, mixtures or formulations.

Abstract: Disclosed are certain polymeric compounds and their use as organic semiconductors in organic and hybrid optical, optoelectronic, and/or electronic devices such as photovoltaic cells, light emitting diodes, light emitting transistors, and field effect transistors. The disclosed compounds can provide improved device performance, for example, as measured by power conversion efficiency, fill factor, open circuit voltage, field-effect mobility, on/off current ratios, and/or air stability when used in photovoltaic cells or transistors. The disclosed compounds can have good solubility in common solvents enabling device fabrication via solution processes.

Abstract: There is provided a conductive polymer having a high electrical conductivity and an excellent heat resistance. Using it as a solid electrolyte, there is provided a solid electrolyte capacitor having a low ESR and a large capacitance with good reliability under a hot condition. A monomer mixture of 2,3-dihydro-thieno[3,4-b][1,4]dioxin and 2-alkyl-2,3-dihydro-thieno[3,4-b][1,4]dioxin at a mixture ratio of 0.05:1 to 1:0.1 by the molar ratio is polymerized in the presence of an organic sulfonic acid, and the organic sulfonic acid is included as a dopant. As the 2-alkyl-2,3-dihydro-thieno[3,4-b][1,4]dioxin, the alkyl portion can be methyl, ethyl, propyl or butyl.

Abstract: Preparation of bifunctional polyisobutenes in which isobutene or an isobutene-containing monomer mixture is polymerized in the presence of a Lewis acid and a compound of the formula I in which X is an acyl radical or the radical of an organic or inorganic acid group, R1 to R4 are identical or different and are hydrogen or a hydrocarbon radical.

Abstract: In one embodiment of the present disclosure, a series of conjugated polymers used, among other things, as polymer solar cell or polymer photovoltaic device active layer materials, is provided. In one embodiment, the conjugated polymers have the general structure and formula shown in (I), wherein: R1 and R2 are independently selected from proton, halogens, alkyls, aryls and substituted aryls; Ar is selected from the group consisting of monocyclic, bicyclic and polycyclic arylene, or monocyclic, bicyclic and polycyclic heteroarylene. In another embodiment, the conjugated photovoltaic polymers are comprised of repeated units having the general structure of formula (II), wherein, R1, R2, R3, R4, R5, and R6 are independently selected from proton, alkyls, halogens, aryls, substituted aryls, and other kinds of substituents.

Abstract: Disclosed is a metal compound represented by the following formula (0): in the formula (0), A represents a thietane ring, or a monovalent group containing a thiol group; B represents a divalent group containing a heteroatom; R2 represents a divalent organic group; n represents the valence of M; p represents an integer of 1 ton; M represents a lanthanoid atom or a barium (Ba) atom when A is a thietane ring, and represents a lanthanoid atom when A is a monovalent group containing a thiol group; or more than Y represents a monovalent inorganic or organic group; when n?p is not less than 2, a plurality of Y's each independently represent a monovalent inorganic or organic group; and when n?p is not less than 2, the plurality of Y's may be bonded with each other to form a ring containing M.

Abstract: The present invention relates to polyvinyl sulfonic acid comprising a vinyl sulfonic acid unit represented by a specific general formula (1), wherein the molar amount of sulfonic acid groups derived from vinyl sulfonic acid monomers with respect to the molar amount of total monomer units is 50.0 to 98.0 mol %, and the polyvinyl sulfonic acid has an absorbance of 0.1 or greater (aqueous solution: 0.2 mass %, cell length: 10 mm) in a wavelength range of 255 to 800 nm.

Abstract: A process to induce polymerization of an organic electronically conductive polymer in the presence of a partially delithiated alkali metal phosphate which acts as the polymerization initiator.

Abstract: Water-soluble electrically conductive polymers and a composition comprising such polymers are provided. Also, an electrically conductive layer or film formed from the composition, and articles comprising the electrically conductive layer or film are provided. The electrically conductive polymers according to the present disclosure have one or more hydrophilic side chains. Hydrophilic side chains are covalently bonded to the conductive polymers, which allow the polymer to be stable at high temperature. Thus, the stability of electrical conductivity is prolonged. Depending on the concentration of hydrophilic side chains, the conductivity may be changed. The hydrophilic side chains provide a successful way to fabricate a ductile film exhibiting tunable conductivity. Furthermore, high levels of surface-resistance uniformity can be achieved in the field of coating technology that uses eco-friendly water-based solvents to uniformly and quickly coat the conductive polymer on to plastic film surfaces.

Abstract: A high-resolution sensor of magnetic field sensor system and materials for use in such a system are described. The sensor systems measure a magnetic field using inorganic and/or organic magneto-optically active materials, e.g. polymer material and have an interferometer based on Faraday rotation. The polymer material is preferably in the form of a film. The polymer material has an optical property that is sensitive to the magnetic field, eg the Faraday rotation effect. The present invention also provides a sensor head structure comprising the above polymer material. The sensor head may be designed for use with an optical fiber or with mirrors In particular the present invention provides a fiber Sagnac interferometer to measure the rotation of polarized plane of light. The present invention provides a fiber or mirror based Sagnac interferometer with passive phase bias applied to magnetic field sensing.

Abstract: Compounds having a core comprised of an aromatic ring and at least two annulated beta-substituted fused thiophene ring systems of the general formula: -(?-R2—FT2ArFT2-?-R2)—, and polymers or copolymers thereof, of the general formulas: -{-(?-R2—FT2ArFT2-?-R2)-G1-}n-, or -{-G1-(?-R2—FT2ArFT2-?-R2)-G1-G2-}n-, where ?-R2—FT2ArFT2-?-R2, -G1-, -G2-, and n are as defined herein. Also disclosed are compositions, articles, or devices comprising the polymers, and methods for making and using the polymers. The compositions, articles, or devices can be used, for example, for electronic applications, such as light emitting devices and semiconductor devices.

Abstract: The present invention relates to a compound of the formula (I), to the use of the compound in an electronic device, and to an electronic device comprising a compound of the formula (I). The present invention furthermore relates to a process for the preparation of a compound of the formula (I) and to a formulation comprising one or more compounds of the formula (I).

Abstract: Novel Semiconducting photovoltaic polymers with conjugated units that provide improved solar conversion efficiency that can be used in electro-optical and electric devices. The polymers exhibit increased solar conversion efficiency in solar devices.

Abstract: A process for preparing a regioregular homopolymer or copolymer of 3-substituted thiophene, 3-substituted selenophene, 3-substituted thiazol or 3-substituted selenazol by a) reacting a 3-substituted 2,5-dihalothiophene, 2,5-dihaloselenophene, 2,5-dihalothiazol or 2,5-dihaloselenazol with reactive zinc, magnesium and/or an organomagnesium halide to give an organozinc or organomagnesium intermediate containing one halozinc or one halomagnesium group, b) bringing the organozinc or the organomagnesium intermediate into contact with a Ni(II), Ni(O), Pd(II) or Pd(0) catalyst to initiate the polymerization reaction, and c) polymerizing the organozinc or the organomagnesium intermediate to give a regioregular head-to-tail homopolymer or copolymer of 3-substituted thiophene, 3-substituted selenophene, 3-substituted thiazol or 3-substituted selenazol characterized in that the polymerization reaction is carried out at a temperature rising from a lower temperature T1 to a higher temperature T2 during a time t1, wherein T

Abstract: The present invention involves synthesizing conducting polymer nanofibers by mixing an oxidant solution with a monomer solution, which includes a monomer and an oligomer of the monomer that is used as an initiator. The oxidant solution includes an oxidizing agent, or oxidant, such as ferric chloride to oxidize the monomer, the oligomer, or both, and begin polymerization. By including an initiator in the form of the oligomer, which may have a lower oxidation potential than the monomer, the rate of polymerization is accelerated, resulting in the nanofibrous morphology. Therefore, the conducting polymer nanofibers may be synthesized without the use of surfactants, hard templates, or seeds, resulting in a simplified and accelerated polymerization process, which enhances homogenous nucleation of the conducting polymer nanofibers.

Abstract: The invention relates to novel benzo[1,2-b:4,5-b?]dithiophene-2,6-diyl-alt-thieno[3,4-b]thiazole-4,6-diyl polymers, methods for their preparation and monomers used therein, blends, mixtures and formulations containing them, the use of the polymers, blends, mixtures and formulations as semiconductor in organic electronic (OE) devices, especially in organic photovoltaic (OPV) devices, and to OE and OPV devices comprising these polymers, blends, mixtures or formulations.