Abstract: The present invention relates to a composition comprising i) at least one polythiophene comprising monomer units of structure (Ia) or (Ib) in which *, X, Z, R, and R1-R6 are as defined herein; ii) at least one organic compound carrying one or two inorganic acid group(s), preferably one or two sulfonic acid group(s), one or two sulfuric acid group(s), one or two phosphonic acid group(s) or one or two phosphoric acid group(s), or a salt of said organic compound, wherein the molecular weight of the organic compound or the salt thereof is less than 1,000 g/mol; and iii) at least one organic solvent. A method of preparing such compounds is also provided.

Abstract: The present invention relates to the production of a layer structure, comprising the following process steps: i) coating a substrate with a composition at least comprising silver nanowires and a solvent; ii) at least partial removal of the solvent, thereby obtaining a substrate that is coated with an electrically conductive layer, the electrically conductive layer at least comprising the silver nanowires; iii) bringing into contact selected areas of the electrically conductive layer with an etching composition, thereby reducing the conductivity of the electrically conductive layer in these selected areas, wherein the etching composition comprises an organic compound capable of releasing chlorine, bromine or iodine, a compound containing hypochloride, a compound containing hypo-bromide or a mixture of at least two of these compounds.

Abstract: The present invention relates to a process for the production of a layered body (1), at least comprising the process steps: I) provision of a photoactive layer comprising a material having a perovskite type crystal structure; II) superimposing the photoactive layer at least partially with a coating composition A) comprising an electrically conductive polymer a) and an organic solvent b); III) at least partial removal of the organic solvent b) from the coating composition A) superimposed in process step II), thereby obtaining an electrically conductive layer superimposed on the photoactive layer. The present invention also relates to a layered body obtainable by this process, to dispersions, to an electronic device, to a process for the preparation of a photovoltaic device and to the photovoltaic device that is obtainable by this process.

Abstract: The present invention relates to a process for the production of a layered body (1), at least comprising the process steps: I) provision of a photoactive layer comprising a material having a perovskite type crystal structure; II) superimposing the photoactive layer at least partially with a coating composition A) comprising an electrically conductive polymer a) and an organic solvent b); III) at least partial removal of the organic solvent b) from the coating composition A) superimposed in process step II), thereby obtaining an electrically conductive layer superimposed on the photoactive layer. The present invention also relates to a layered body obtainable by this process, to dispersions, to an electronic device, to a process for the preparation of a photovoltaic device and to the photovoltaic device that is obtainable by this process.

Abstract: The present invention relates to a process for the production of a layered body (1), at least comprising the process steps: I) provision of a photoactive layer comprising a material having a perovskite type crystal structure; II) superimposing the photoactive layer at least partially with a coating composition A) comprising an electrically conductive polymer a) and an organic solvent b); III) at least partial removal of the organic solvent b) from the coating composition A) superimposed in process step II), thereby obtaining an electrically conductive layer superimposed on the photoactive layer. The present invention also relates to a layered body obtainable by this process, to dispersions, to an electronic device, to a process for the preparation of a photovoltaic device and to the photovoltaic device that is obtainable by this process.

Abstract: The present invention relates to the production of a layer structure, comprising the following process steps: i) coating a substrate with a composition at least comprising silver nanowires and a solvent; ii) at least partial removal of the solvent, thereby obtaining a substrate that is coated with an electrically conductive layer, the electrically conductive layer at least comprising the silver nanowires; iii) bringing into contact selected areas of the electrically conductive layer with an etching composition, thereby reducing the conductivity of the electrically conductive layer in these selected areas, wherein the etching composition comprises an organic compound capable of releasing chlorine, bromine or iodine, a compound containing hypochloride, a compound containing hypo-bromide or a mixture of at least two of these compounds.

Abstract: The present invention relates to a composition comprising i) particles comprising a conductive polymer, ii) metal nanowires, and iii) at least one solvent, wherein at least one of the following conditions is satisfied: ?1) the particles comprising the conductive polymer are characterized by a weight average particle diameter of less than 100 nm; ?2) the content of cations of the metal on which the metal nanowires ii) are based is below 500 ppm, based on the total weight of the composition; ?3) the composition comprises, in addition to component iii), at least one high-boiling solvent that is miscible with the at least one solvent iii) and that has a boiling point (determined at 1013 mbar) of more than 100° C.

Abstract: The present invention relates to the production of a layer structure, comprising the following process steps: i) coating a substrate with a composition at least comprising silver nanowires and a solvent; ii) at least partial removal of the solvent, thereby obtaining a substrate that is coated with an electrically conductive layer, the electrically conductive layer at least comprising the silver nanowires; iii) bringing into contact selected areas of the electrically conductive layer with an etching composition, thereby reducing the conductivity of the electrically conductive layer in these selected areas, wherein the etching composition comprises an organic compound capable of releasing chlorine, bromine or iodine, a compound containing hypochloride, a compound containing hypo-bromide or a mixture of at least two of these compounds.

Abstract: The present invention relates to a process for the production of a layered body (1), at least comprising the process steps: I) provision of a photoactive layer comprising a material having a perovskite type crystal structure; II) superimposing the photoactive layer at least partially with a coating composition A) comprising an electrically conductive polymer a) and an organic solvent b); III) at least partial removal of the organic solvent b) from the coating composition A) superimposed in process step II), thereby obtaining an electrically conductive layer superimposed on the photoactive layer. The present invention also relates to a layered body obtainable by this process, to dispersions, to an electronic device, to a process for the preparation of a photovoltaic device and to the photovoltaic device that is obtainable by this process.

Abstract: The present invention relates to a composition comprising i) particles comprising a conductive polymer, ii) metal nanowires, and iii) at least one solvent, wherein at least one of the following conditions is satisfied: ?1) the particles comprising the conductive polymer are characterized by a weight average particle diameter of less than 100 nm; ?2) the content of cations of the metal on which the metal nanowires ii) are based is below 500 ppm, based on the total weight of the composition; ?3) the composition comprises, in addition to component iii), at least one high-boiling solvent that is miscible with the at least one solvent iii) and that has a boiling point (determined at 1013 mbar) of more than 100° C. The present invention also relates to a process for the production of a layered body, to a layered body obtainable by the process of the present invention, to a layered body comprising a substrate and an electrically conductive layer coated onto the substrate and to the use of a composition.

Abstract: The present invention relates to the production of a layer structure, comprising the following process steps: i) coating a substrate with a composition at least comprising silver nanowires and a solvent; ii) at least partial removal of the solvent, thereby obtaining a substrate that is coated with an electrically conductive layer, the electrically conductive layer at least comprising the silver nanowires; iii) bringing into contact selected areas of the electrically conductive layer with an etching composition, thereby reducing the conductivity of the electrically conductive layer in these selected areas, wherein the etching composition comprises an organic compound capable of releasing chlorine, bromine or iodine, a compound containing hypochloride, a compound containing hypo-bromide or a mixture of at least two of these compounds.