Heraeus Precious Metals Gmbh & Co. Kg

Heraeus Deutschland Gmbh & Co Kg

Heraeus Epurio LLC

Katrin Asteman

Udo Merker

Matthias Intelmann

Klaus Wussow

Akio Ishikawa

Armin Sautter

Arnulf Scheel

Knud Reuter

Andreas Elschner

Udo Guntermann

Armin Saulter

The present invention relates to a process for the production of a layer composition () with an electrically conductive layer (), comprising the process steps:

Layer compositions with improved electrical parameters comprising PEDOT/PSS and a stabilizer

The present invention relates to a process for producing a liquid composition comprising a functionalized &#x3c0;-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 NR, wherein Ris 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 &#x3c0;-conjugated polythiophenes; wherein (&#x3b1;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&#xb0; C.; and (&#x3b1;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. The present invention also relates to the liquid composition obtainable by this process, to a liquid composition comprising a functionalized &#x3c0;-conjugated polythiophene, wherein the com-position is characterized by a certain ratio of mass average molecular weight Mand the molar average molecular weight Mof the functionalized &#x3c0;-conjugated polythiophene, to a liquid composition comprising a functionalized &#x3c0;-conjugated polythiophene, wherein the functionalized &#x3c0;-conjugated polythiophene comprises different repeating units in a defined amount, to a process for the preparation of such a liquid composition, to a process for the preparation of a capacitor in which these liquid compositions are used for the formation of the solid electrolyte, to a capacitor obtainable by this process and to the use of the liquid compositions for the preparation of a conductive layer.

Process for producing functionalized polythiophenes

The present invention relates to a process for the production of a layer composition () with an electrically conductive layer (), comprising the process steps: a) provision of a substrate () with a substrate surface (); b) formation of a polymer layer () comprising an electrically conductive polymer () on at least a part of the substrate surface (); c) application of a liquid stabilizer phase, comprising a stabilizer and a liquid phase, to the polymer layer () from process step b), wherein the stabilizer phase comprises less than 0.2 wt. %, based on the stabilizer phase, of the electrically conductive polymer, wherein the stabilizer is an aromatic compound with at least two OH groups, and a layer composition () and uses thereof.

Described are processes for the production of a capacitor, comprising the process steps: 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.

Use of PEDOT/PSS dispersions of high PEDOT content for the production of capacitors and solar cells

Described are methods for the production of a capacitor, comprising the process steps:

Use of mixtures of self-doped and foreign-doped conductive polymers in a capacitor

Described is a process for the production of a capacitor, where an electrode body () of an electrode material () is provided, wherein a dielectric () covers one surface () of this electrode material () at least partly to form an anode body (), where the in situ polymerization of at least one thiophene monomer in at least a part of the anode body () in the presence of at least one oxidizing agent and at least one polymer with the structural formula (I).RO&#x2014;RO&#x2014;R&#x2003;&#x2003;(I)

Addition of polymers to thiophene monomers in the in situ polymerization

The invention is relates to a method for manufacturing a capacitor. The method has the following steps:

Method for improving electrical parameters in capacitors comprising PEDOT/PSS as a solid electrolyte through a polyalkylene glycol

Capacitors comprising a dielectric at least partly covering the surface of an electrode material and forming an anode body are described. The anode body may be at least partly coated with a solid electrolyte comprising a conductive polymer. The capacitor comprises at least one polyglycerol, where the ratio of the amount of polyglycerol (M) to the amount of conductive polymer (M) in the capacitor is M/M&#x3e;0.15, and the polyglycerol contains more than 50 wt. % of a mixture of tri- and tetraglycerol, based on the total weight of the polyglycerol. Processes for the production of a capacitor, an electronic circuit and use of a capacitor in a dispersion are also described.

Growing community of inventors

Kö'ln, Germany

Katrin Asteman