Abstract: A process for producing a liquid composition comprising a functionalized ?-conjugated polythiophenes, comprising the process steps of i) providing a liquid phase comprising a functionalized ?-conjugated polythiophene that is dissolved or dispersed in a solvent, wherein the functionalized ?-conjugated polythiophene comprises repeating units of the general formula (I) wherein X, Y are identical or different and are O, S, or NR1, wherein R1 is hydrogen or an aliphatic or aromatic residue having 1 to 18 carbon atoms; A is an organic residue carrying an anionic functional group; and wherein the liquid phase has a pH-value of less than 2.5; ii) adjusting the pH-value of the liquid phase provided in process step i) to a value in the range from 2.5 to 10 by the addition of a base. The present invention also relates to a liquid composition obtainable by this process.

Abstract: A liquid composition. The liquid composition comprises particles comprising a complex of a polythiophene and a polyanion; and a liquid phase comprising water and at least one organic solvent having a boiling point, determined at a pressure of 1013 mbar, in the range from 110 to 250° C. and a solubility in water, determined at 25° C., of at least 10 wt.-%. The liquid phase is an azeotrope or is capable of forming an azeotrope. Also disclosed is a process for the preparation of a layered body, the layered body obtainable by such a process, and the use of a liquid composition.

Abstract: The present invention relates to a process for producing a liquid composition comprising a functionalized ?-conjugated polythiophenes, comprising the process steps of i) providing a liquid phase comprising a) thiophene monomers of the general formula (I) wherein X,Y are identical or different and are O, S, or NR1, wherein R1 is hydrogen or an aliphatic or aromatic residue having 1 to 18 carbon atoms; A is organic residue carrying an anionic functional group; b) an oxidizing agent; and c) a solvent; ii) oxidatively polymerizing the thiophene monomers of the general formula (I) to obtain a liquid composition comprising functionalized ?-conjugated polythiophenes; wherein (?1) the pH of the liquid phase provided in process step i) is adjusted to a value below 7.0, wherein the pH is determined at a temperature of 20° C.; and (?2) the chloride content of the liquid phase provided in process step i) is less than 10000 ppm, based on the total weight of the liquid phase.

Abstract: Disclosed is a liquid composition comprising a complex of a polythiophene and a polyanion and at least one solvent that is suitable for forming a conductive polymer coating. Also disclosed is a process for the preparation of the liquid composition, and a process for the preparation of a layered body.

Abstract: The present invention relates to a composition comprising: a) at least one organic solvent; b) at least one conductive polymer, preferably a cationic polymer; c) at least one fluorinated compound; d) at least one polymeric anion, wherein the at least one polymeric anion is a copolymer comprising ionic and non-ionic repeating units. The present invention also relates to a layered structure comprising the composition, to a process for the production of the composition, to a process for the production of the layered structure and to devices comprising the layered structure as well as to the use of the composition in devices to achieve a prolongation of lifetime.

Abstract: The present invention relates to a process for producing a liquid composition comprising a functionalized ?-conjugated polythiophenes, comprising the process steps of i) providing a liquid phase comprising a) thiophene monomers of the general formula (I) wherein X,Y are identical or different and are O, S, or NR1, wherein R1 is hydrogen or an aliphatic or aromatic residue having 1 to 18 carbon atoms; A is organic residue carrying an anionic functional group; b) an oxidizing agent; and c) a solvent; ii) oxidatively polymerizing the thiophene monomers of the general formula (I) to obtain a liquid composition comprising functionalized ?-conjugated polythiophenes; wherein (?1) the pH of the liquid phase provided in process step i) is adjusted to a value below 7.0, wherein the pH is determined at a temperature of 20° C.; and (?2) the chloride content of the liquid phase provided in process step i) is less than 10000 ppm, based on the total weight of the liquid phase.

Abstract: Described are processes for the production of a capacitor, comprising the process steps: a) the provision of an electrode body of an electrode material, wherein a dielectric covers one surface of this electrode material at least partly to form an anode body; b) the introduction of a dispersion comprising a dispersing agent and complexes of polythiophenes and polyanions, wherein the weight ratio of polythiophenes:polyanions in the dispersion is greater than 0.5, into at least a part of the anode body; c) the at least partial removal of the dispersing agent to obtain a solid electrolyte in a capacitor body. Also described are capacitors, electronic circuits, uses of these capacitors, processes for the preparation of dispersions, dispersions obtainable by these processes, organic solar cells, processes for the production of these organic solar cells, and the use of dispersion for the production of organic solar cells.

Abstract: The present invention relates to a composition comprising: a) at least one organic solvent; b) at least one conductive polymer, preferably a cationic polymer; c) at least one fluorinated compound; d) at least one polymeric anion, wherein the at least one polymeric anion is a copolymer comprising ionic and non-ionic repeating units. The present invention also relates to a layered structure comprising the composition, to a process for the production of the composition, to a process for the production of the layered structure and to devices comprising the layered structure as well as to the use of the composition in devices to achieve a prolongation of lifetime.

Abstract: The present invention relates to a solar cell (1) comprising a substrate (2) of p-type silicon or n-type silicon, wherein the substrate (2) comprises a front side (2a) the surface of which is at least partially covered with at least one passivation layer (3) and a back side (2b), wherein the back side (2b) of the substrate (2) is at least partially covered with a conductive polymer layer (4) and wherein at least one of the following conditions a) and b) is fulfilled: a) the conductive polymer layer (4) is at least partially in direct contact with the surface of the p-type or n-type silicon; b) the conductive polymer layer (4) comprises a cationic conductive polymer and a polymeric anion in a weight ratio cationic conductive polymer:polymeric anion of greater than 0.4. The present invention also relates to a process for the preparation of a solar cell, to a solar cell obtainable by this process and to a solar module.

Abstract: Principles and embodiments of the present invention relates to a process for the production of a transparent electrode, comprising the process steps: I) provision of a transparent substrate layer, II) application of a grid structure comprising a plurality of bars of metal or at least comprising metallic particles to the substrate layer, III) application of a dispersion comprising at least one polythiophene, at least one polymer having SO3?M+ groups, at least one fluorinated or perfluorinated polymer having SO3?M+ groups, and at least one dispersing agent, wherein M+ represents H+, Li+, Na+, K+ or NH4+, to the transparent substrate layer provided with the grid structure, and IV) at least partial removal of the dispersing agent resulting in obtaining a transparent electrode. Principles and embodiments of the present invention also relates to a transparent electrode obtainable by this process, a transparent electrode, an electronic component and a dispersion.

Abstract: Described are processes for the production of a capacitor, comprising the process steps: a) the provision of an electrode body of an electrode material, wherein a dielectric covers one surface of this electrode material at least partly to form an anode body; b) the introduction of a dispersion comprising a dispersing agent and complexes of polythiophenes and polyanions, wherein the weight ratio of polythiophenes:polyanions in the dispersion is greater than 0.5, into at least a part of the anode body; c) the at least partial removal of the dispersing agent to obtain a solid electrolyte in a capacitor body. Also described are capacitors, electronic circuits, uses of these capacitors, processes for the preparation of dispersions, dispersions obtainable by these processes, organic solar cells, processes for the production of these organic solar cells, and the use of dispersion for the production of organic solar cells.

Abstract: Described is a complex comprising a polythiophene and a sulphonated synthetic rubber. Also described is a process for producing complexes, the complexes obtained by this process, a composition, a layer structure, a process for producing the layer structure, the layer structure obtained by this process, electronic components, and the use of a composition.

Abstract: The present invention relates to a method for producing a composition comprising polythiophene, comprising the method steps: I) provision of a composition Z1 comprising thiophene monomers and an oxidising agent; II) oxidative polymerisation of the thiophene monomers by reducing the oxidising agent to a reduction product and oxidation of the thiophene monomer, forming a composition Z2 comprising a polythiophene and the reduction product; III) at least partial removal of the reduction product from the composition Z2 obtained in method step II), obtaining a composition Z3; wherein the composition Z3 has a sulfate content in the range from 100 ppm to 1,000 ppm, based on the total weight of the composition Z3. The present invention also relates to a composition obtainable as the composition Z3 produced with this method, a composition comprising a polythiophene, a layer construction, an electronic component and the use of a composition.

Abstract: Described is a complex comprising a polythiophene and a sulphonated synthetic rubber.