Patents by Inventor Andreas Elschner
Andreas Elschner has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Patent number: 10748714Abstract: 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.Type: GrantFiled: September 16, 2019Date of Patent: August 18, 2020Assignee: HERAEUS DEUTSCHLAND GMBH & CO. KGInventors: Stefan Schumann, Andreas Elschner, Armin Sautter, Wilfried Lövenich, Rüdiger Sauer, Jan Sütterlin, Nina Kausch-Busies
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Patent number: 10658598Abstract: The present invention relates to a compound having a general formula selected from the group consisting of formula 1a and 1b, wherein K represents an aromatic or heteroaromatic group in which at least one hydrogen atom may be substituted by a functional groups selected from the group consisting of a sulfonic acid group, a sulfuric acid group, an ammonium group and an aliphatic group; X is selected from the group consisting of a C—C-bond, O, S, SO2 and NR?, wherein R? represents a hydrogen or an aliphatic or aromatic group; A represents a fluorinated or perfluorinated aromatic group; n represents an integer in the range from 2 to 6; m represents an integer in the range from 1 to 3.Type: GrantFiled: November 17, 2015Date of Patent: May 19, 2020Assignee: HERAEUS DEUTSCHLAND GMBH & CO. KG.Inventors: Wilfried Lövenich, Nina Kausch-Busies, Sergei A. Ponomarenko, Andreas Elschner, Yuriy N. Kononevich, Alexey S. Tereshchenko
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Publication number: 20200013559Abstract: 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.Type: ApplicationFiled: September 16, 2019Publication date: January 9, 2020Inventors: Stefan Schumann, Andreas Elschner, Armin Sautter, Wilfried Lövenich, Rüdiger Sauer, Jan Sütterlin, Nina Kausch-Busies
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Patent number: 10468198Abstract: 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.Type: GrantFiled: November 17, 2015Date of Patent: November 5, 2019Assignee: HERAEUS DEUTSCHLAND GMBH & CO. KGInventors: Stefan Schumann, Andreas Elschner, Armin Sautter, Wilfried Lovenich, Rüdiger Sauer, Jan Sütterlin, Nina Kausch-Busies
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Patent number: 10411196Abstract: The present invention relates to a compound having a general formula selected from the group consisting of formula 1a and 1b, wherein K represents an aromatic or heteroaromatic group in which at least one hydrogen atom may be substituted by a functional groups selected from the group consisting of a sulfonic acid group, a sulfuric acid group, an ammonium group and an aliphatic group; X is selected from the group consisting of a C—C-bond, O, S, SO2 and NR?, wherein R? represents a hydrogen or an aliphatic or aromatic group; A represents a fluorinated or perfluorinated aromatic group; n represents an integer in the range from 2 to 6; m represents an integer in the range from 1 to 3.Type: GrantFiled: November 17, 2015Date of Patent: September 10, 2019Assignee: HERAEUS DEUTCHLAND GMBH & CO. KG.Inventors: Wilfried Lövenich, Nina Kausch-Busies, Sergei A. Ponomarenko, Andreas Elschner, Yuriy N. Kononevich, Alexey S. Tereshchenko
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Patent number: 10283715Abstract: 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.Type: GrantFiled: March 9, 2016Date of Patent: May 7, 2019Assignee: HERAEUS DEUTSCHLAND GMBH & CO. KGInventors: Stefan Schumann, Nina Kausch-Busies, Wilfried Lövenich, Jan Sütterlin, Andreas Elschner, Arnulf Scheel
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Patent number: 10138382Abstract: 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.Type: GrantFiled: July 24, 2015Date of Patent: November 27, 2018Assignee: HERAEUS DEUTSCHLAND GMBH & CO. KGInventors: Wilfried Lovenich, Rüdiger Sauer, Andreas Elschner
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Patent number: 10026521Abstract: 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.Type: GrantFiled: September 25, 2013Date of Patent: July 17, 2018Assignee: Heraeus Precious Metals GmbH & Co. KGInventors: Arnulf Scheel, Katrin Asteman, Matthias Intelmann, Andreas Elschner
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Publication number: 20180182965Abstract: 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.Type: ApplicationFiled: March 9, 2016Publication date: June 28, 2018Inventors: Stefan Schumann, Nina Kausch-Busies, Wilfried Lövenich, Jan Sütterlin, Andreas Elschner, Arnulf Scheel
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Publication number: 20180040748Abstract: 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.Type: ApplicationFiled: March 9, 2016Publication date: February 8, 2018Inventors: Jan Schmidt, Dimitri Zielke, Andreas Elschner, Wilfried Lövenich, Matthias Hörteis, Arnulf Scheel
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Publication number: 20170365798Abstract: The present invention relates to a compound having a general formula selected from the group consisting of formula 1a and 1b, wherein K represents an aromatic or heteroaromatic group in which at least one hydrogen atom may be substituted by a functional groups selected from the group consisting of a sulfonic acid group, a sulfuric acid group, an ammonium group and an aliphatic group; X is selected from the group consisting of a C—C-bond, O, S, SO2 and NR?, wherein R? represents a hydrogen or an aliphatic or aromatic group; A represents a fluorinated or perfluorinated aromatic group; n represents an integer in the range from 2 to 6; m represents an integer in the range from 1 to 3.Type: ApplicationFiled: November 17, 2015Publication date: December 21, 2017Inventors: Wilfried Lövenich, Nina Kausch-Busies, Sergei A. Ponomarenko, Andreas Elschner, Yuriy N. Kononevich, Alexey S. Tereshchenko
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Publication number: 20170365418Abstract: 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.Type: ApplicationFiled: November 17, 2015Publication date: December 21, 2017Inventors: Stefan Schumann, Andreas Elschner, Armin Sautter, Wilfried Lövenich, Rüdiger Sauer, Jan Seuring, Nina Kausch-Busies
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Publication number: 20170198155Abstract: 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.Type: ApplicationFiled: July 24, 2015Publication date: July 13, 2017Inventors: Wilfried LOVENICH, Rüdiger SAUER, Andreas ELSCHNER
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Publication number: 20160056397Abstract: Described is a process for the preparation of a layered body, the process comprising the steps: I) providing a photoactive layer; II) superimposing the photoactive layer with a coating composition comprising a) an electrically conductive polymer, b) an organic solvent; and III) at least partially removing the organic solvent b) from the composition obtaining an electrically conductive layer superimposing the photoactive layer. Also described is a layered body obtained by this process, a layered body, an organic photovoltaic cell, a solar cell module, a composition, and the use of a composition.Type: ApplicationFiled: March 27, 2014Publication date: February 25, 2016Inventors: Stefan SCHUMANN, Andreas ELSCHNER, Detlef GAISER, Wilfried LÖVENICH, Daniel VOIGHT
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Publication number: 20150282311Abstract: 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.Type: ApplicationFiled: October 25, 2013Publication date: October 1, 2015Inventors: Wilfried Lövenich, Armin Sautter, Andreas Elschner, Arnulf Scheel, Detlef Riesebeck, Stephan Kirchmeyer
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Publication number: 20150279503Abstract: 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.Type: ApplicationFiled: September 25, 2013Publication date: October 1, 2015Inventors: Arnulf Scheel, Katrin Asteman, Matthias Intelmann, Andreas Elschner
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Patent number: 9087994Abstract: 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.Type: GrantFiled: November 2, 2011Date of Patent: July 21, 2015Assignee: Heraeus Precious Metals GmbH & Co. KGInventors: Wilfried Lövenich, Arnulf Scheel, Knud Reuter, Andreas Elschner
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Publication number: 20150064449Abstract: Described is a layered structure and a process for the production thereof, comprising at least one polarizer layer; at least one conductor layer, comprising a conductive polymer, wherein the at least one conductor layer has a surface resistance in a range of from 10?4 to 500 ?/square.Type: ApplicationFiled: February 20, 2013Publication date: March 5, 2015Inventors: Udo Guntermann, Andreas Elschner, Stephan Kirchmeyer
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Patent number: 8721929Abstract: The invention relates to novel polythiophene-polyanion complexes which are soluble or dispersible in nonpolar organic solvents, and to the use thereof.Type: GrantFiled: April 20, 2009Date of Patent: May 13, 2014Assignee: Heraeus Precious Metals GmbH & Co. KGInventors: Wilfried Loevenich, Stephan Kirchmeyer, Andreas Elschner, Knud Reuter, Klaus Müllen, Markus Klapper, Kevin Müller
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Patent number: 8663505Abstract: The present invention relates to novel processes for preparing an aqueous or nonaqueous dispersion or solution comprising at least one conductive polymer and at least one polyanion, characterized in that the polymerization is performed at a pressure below atmospheric pressure, to aqueous or nonaqueous dispersions or solutions prepared by this process and to the use thereof.Type: GrantFiled: August 27, 2008Date of Patent: March 4, 2014Assignee: Heraeus Precious Metals GmbH & Co. KGInventors: Wilfried Loevenich, Rudolf Hill, Andreas Elschner, Friedrich Jonas, Udo Guntermann