A solid electrolytic capacitor containing a capacitor element is provided. The capacitor element contains an anode body that contains tantalum, a dielectric that overlies the anode body; and a solid electrolyte that overlies the dielectric. The solid electrolyte includes an intrinsically conductive polymer containing repeating thiophene units. Further, the capacitor exhibits a dielectric strength of about 0.6 volts per nanometer or more. The capacitor also exhibits a charge-discharge capacitance after being subjected to 3,000 cycles of a surge voltage and an initial capacitance prior to being subjected to the surge voltage, wherein the ratio of the charge-discharge capacitance to the initial capacitance is from about 0.75 to 1.

The present invention relates to a process for preparing poly(3,4-ethylenedioxythiophene):polystyrenesulfonate (PEDOT:PSS) particles at least comprising the steps: a) providing a mixture comprising poly(3,4-ethylenedioxythiophene) and polystyrene sulfonate in a solvent at least comprising water; b) forming one or more PEDOT:PSS droplets by introducing the mixture from process step a) into an organic solvent A, wherein the aqueous PEDOT:PSS mixture forms the droplet interior and the organic solvent A forms the droplet exterior; c) contacting the PEDOT:PSS droplets obtained from process step b) with a coagulating solution comprising a curing agent and at least one further solvent B, the density of the coagulating solution being greater than the density of the organic solvent A and less than the density of the aqueous poly(3,4-ethylenedioxythiophene) and polystyrene sulfonate mixture; with curing of the PEDOT:PSS droplets to PEDOT:PSS particles. Furthermore, the present invention discloses spherical PEDOT:PSS particles without further mechanically solidifying substances and the use of the particles, for example, as cell culture microcarriers or suspension electrodes.

Provided are a conductive composite structure for an electronic device, a method of preparing the conductive composite structure, an electrode for an electronic device including the conductive composite structure, and an electronic device including the conductive composite structure. The conductive composite structure may contain graphene and an organic composite layer including a conductive polymer having a work function of about 5.3 eV or lower, and has a sheet resistance deviation of about 10% or less.

The present invention relates to an electrically conductive polymer composition having high dispersion stability in long-term storage without being influenced by air temperature changes in the winter season, the summer period, etc. and a method for stably storing an electrically conductive polymer solution. An electrically conductive polymer composition comprising at least a N-vinyl carboxylic acid amide polymer having a weight-average molecular weight within the range of not less than 5000 and not more than one million, an electrically conductive polymer, and a solvent. A method for stably storing an electrically conductive polymer solution, the method comprising adding, to an electrically conductive polymer solution, a N-vinyl carboxylic acid amide polymer having a weight-average molecular weight within the range of not less than 5000 and not more than one million.

In one embodiment, a flexible composite conducting polymer film includes a composite conducting polymer including a conducting polymer and one or more water-soluble polyanions, wherein the film is approximately 20 nanometers to 10 microns thick.

The present disclosure relates to compounds of formula IVa or IVb, or salts thereof, as intermediates in the manufacture of conducting redox polymers. L is a covalent linker moiety and R is a reversible redox group.

The disclosure further relates to conducting redox polymers produced from such compounds, as well as substrates coated with such conducting redox polymers, and organic batteries comprising such conducting redox polymers.

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Provided is a charge-transporting composition for a perovskite photoelectric conversion element, the composition containing: a charge-transporting substance made of a conductive polymer; an organic silane compound; and a solvent.

The disclosure provides electrically conductive elastomers.

An all-donor black color electrochromic polymer is disclosed as well as a method for preparing the all-donor black color electrochromic polymer. The electrochromic polymer comprises conjugated polymers, and the conjugated polymers are chemically linked, or physically blended, or both.

Disclosed are methods of making porous polymeric materials. Also provided herein are porous polymeric materials prepared by the disclosed methods.