A semiconducting composition comprising a semiconducting polymer and a semiconducting non-polymeric polycyclic compound, wherein the semiconducting polymer comprises units of A and/or B: ##STR00001##
wherein R.sub.1, R.sub.2, R.sub.5, R.sub.6, R.sub.7, R.sub.8, x, y, p, q, r, R.sub.3, R.sub.4, R.sub.9, R.sub.10 and R.sub.11 have any of the meanings defined in the description.

The present invention relates to hyperbranched polymers, to a process for the preparation thereof, and to the starting compounds necessary for the preparation. The present invention furthermore relates to the use of the hyperbranched polymers according to the invention in electronic devices and to the electronic devices themselves.

A capacitor that is capable of exhibiting good electrical properties even under a variety of conditions is provided. More particularly, the capacitor contains a sintered porous anode body, a dielectric that overlies the anode body, and a solid electrolyte that overlies the dielectric. The solid electrolyte contains an inner layer and an outer layer, wherein the inner layer is formed from an in situ-polymerized conductive polymer and the outer layer is formed from pre-polymerized conductive polymer particles. Further, the in-situ polymerized conductive polymer is formed from an alkylated thiophene monomer.

Oxacycloolefinic polymers as typically obtained by metathesis polymerization using Ru-catalysts, show good solubility and are well suitable as dielectric material in electronic devices such as capacitors and organic field effect transistors.

The invention relates to new conjugated semiconducting polymers containing thermally cleavable side groups. The thermally cleavable side groups are selected from among carbonate groups and carbamate groups, By thermally cleaving side groups, the solubility or the polymers can he reduced in a targeted manner. The polymers are used as semiconductors in organic electronic (OE) devices, especially in organic photovoltaic (OPV) devices, organic photodetectors (OPDs), organic light emitling diodes (OLEDs), and organic field effect transistors (OFETs).

An object is to provide an organic semiconductor element having excellent carrier mobility and heat resistance of a semiconductor active layer, an organic semiconductor composition for obtaining this element, an organic semiconductor film, and a method of manufacturing an organic semiconductor element in which the composition is used, and another object is to provide a compound and an oligomer or a polymer that are suitably used in the organic semiconductor element, the organic semiconductor composition, the organic semiconductor film, and the method of manufacturing an organic semiconductor element.

The organic semiconductor element of the present invention includes a compound represented by Formula 1 below in a semiconductor active layer. In Formula 1, X represents a chalcogen atom, p and q each independently represent an integer of 0 to 2, and R.sup.1 and R.sup.2 each independently represent a halogen atom or a group represented by Formula W below.

##STR00001##

The present invention relates to polymers comprising one or more (repeating) unit(s) of the formula (I), and compounds of formula (III), wherein Y, Y.sup.15, Y.sup.16 and Y.sup.17 are independently of each other a group of formula and their use as IR absorber, organic semiconductor in organic devices, especially in organic photovoltaics and photodiodes, or in a device containing a diode and/or an organic field effect transistor. The polymers and compounds according to the invention can have excellent solubility in organic solvents and excellent film-forming properties. In addition, high efficiency of energy conversion, excellent field-effect mobility, good on/off current ratios and/or excellent stability can be observed, when the polymers and compounds according to the invention are used in organic field effect transistors, organic photovoltaics and photodiodes. ##STR00001##

A carbon nanotube composite has an organic substance attached to at least a part of a surface thereof. At least one functional group selected from a hydroxyl group, a carboxy group, an amino group, a mercapto group, a sulfo group, a phosphonic acid group, an organic or inorganic salt thereof, a formyl group, a maleimide group and a succinimide group is contained in at least a part of the carbon nanotube composite.

The present invention relates to new semiconducting compounds having at least one optionally substituted azino[1,2,3]thiadiazole moiety. The compounds disclosed herein can exhibit high carrier mobility and/or efficient light absorption/emission characteristics, and can possess certain processing advantages such as solution-processability and/or good stability at ambient conditions.

Provided is a process for preparing a composition comprising semiconducting single-walled carbon nanotubes, a semiconducting polymer and solvent A (composition A), which process comprises the step of separating composition A from a composition comprising semiconducting and metallic single-walled carbon nanotubes, the semiconducting polymer and solvent B (composition B), wherein the semiconducting polymer has a band gap in the range of 0.5 to 1.8 eV and solvent A and B comprise an aromatic or a heteroaromatic solvent, composition A itself, a process for forming an electronic device, which process comprises the step of forming a layer by applying composition A to a precursor of the electronic device, as well as the electronic device obtainable by this process.