Abstract: The invention describes the use of polyphenols and polyamino derivatives adjacent to absorber layers on the basis of small molecules in organic optoelectronic components.

Abstract: The invention relates to a compound of the general formula I to an optoelectronic component containing said type of compound, and to the use of said type of compound in optoelectronic components.

Abstract: A method for electrically conductively contacting an optoelectronic component having at least one protective layer, including: providing the optoelectronic component having the at least one protective layer with at least one busbar arranged below the at least one protective layer, forming at least one opening by at least one laser beam in the at least one protective layer, wherein at least one busbar arranged below the at least one protective layer is partly exposed, such that the at least one busbar is not damaged, introducing a low-melting solder into the at least one opening of the at least one protective layer, aligning and fixing an electrically conductive element that is flexible on a side of the at least one opening opposite the at least one busbar, and forming an electrically conductive connection element in the at least one opening.

Abstract: Compounds of formula (Ia) and/or formula (Ib), are disclosed wherein R1 and R3 are independently selected from the group consisting of H, halogen, alkyl, fluorinated or partly fluorinated alkyl, and heteroaryl, R2 is selected from the group consisting of halogen, fluorinated and partly fluorinated alkyl, R4 and R5 are independently selected from the group consisting of halogen, alkyl, fluorinated or partly fluorinated alkyl, alkenyl, alkinyl, alkoxy, aryl, and heteroaryl, Z is independently selected from the group consisting of CH2, CHR6 or CR7R8, with R6, R7 and R8 independently selected from the group consisting of H, halogen, alkyl, alkoxy, aryl, and heteroaryl, wherein n is independently 1, 2 or 3, U, V and W of formula (Ia) independently form an aryl ring or a heteroaryl ring, and T, U, V and W of formula (Ib) form an aryl ring or a heteroaryl ring.

Abstract: A compound of the general formula I wherein R1 is selected from the group consisting of H, alkoxy, alkyl, fluorinated alkyl, partly fluorinated alkyl, and aryl; R4 is selected from the group consisting of H, halogen, CN, alkoxy, alkyl, fluorinated alkyl, partly fluorinated alkyl, branched or linear, cyclic or open-chain alkyl, amino, aryl, and alkenyl; and at least one A1, A2, A3 or A4 in each case is independently the group Ia wherein each variable is as defined herein.

Abstract: A column with at least one photovoltaic element for converting radiation energy is disclosed. The at least one photovoltaic element converts radiation energy of light, such as sunlight, into electrical energy. The at least one photovoltaic element is arranged on the column, and at least one photovoltaic element is a flexible photovoltaic element.

Abstract: An optoelectronic component, including: a bottom electrode, a top electrode, a layer system having at least one photoactive layer, the layer system being disposed between the bottom electrode and the top electrode, a planarization layer disposed on a side of the bottom electrode and/or top electrode facing away from the layer system, at least one barrier layer disposed on the planarization layer, and at least one busbar, the at least one busbar being disposed on the at least one barrier layer, wherein: the planarization layer has electrically conductive particles the electrically conductive particles being introduced into the planarization layer, and the electrically conductive particles electrically conductively bridge the planarization layer through the at least one barrier layer such that the bottom electrode and/or the top electrode electrically conductively contacts the at least one busbar.

Abstract: New absorbing materials of formula (I) for use in organic semiconducting components:

Abstract: An optoelectronic component on a substrate includes a first and a second electrode. The first electrode is arranged on the substrate and the second electrode forms a counter electrode. At least one photoactive layer system is arranged between these electrodes. The at least one photoactive layer system including at least one donor-acceptor system having organic materials.

Abstract: A compound of a formula EWG1-(T1)a-(T2)b-(Z)c-(T3)d-(T4)e-EWG2 capable of use as a functional component in organic electronic devices, which enable improved absorption in organic solar cells or have an increased charge carrier mobility.

Abstract: An optoelectronic component includes a photoactive layer which is arranged between an electrode and a counter electrode. In addition to a donor-acceptor system, the photoactive layer includes a third material which influences the crystallization of the donor-acceptor system. The third material selected from a group consisting of crown ethers, triphenyls, sorbitols, quinacridones and bis(4-(tert-butyl)benzoato-O) hydroxyaluminium. Crown ethers are especially preferred.

Abstract: A compound and method of producing the compound of formula (I) that has high absorption in the short wavelength spectral region of visible light and is capable of being used for an organic electronic component.

Abstract: The description relates to an organic photoactive component, in particular an organic solar cell, having an electrode on the substrate and a top counter-electrode and a doped transport layer between the electrodes and a photoactive layer system, characterized in that a metal oxide layer is present between the photoactive system and the top counter-electrode.

Abstract: In a method for imprinting optoelectronic components with at least one bus bar, the bus bar following the shape of the optoelectronic component and allowing a homogeneous color impression on the rear face of the component, the bus bar is printed on a basic material before deposition of a photoactive layer. The basic material may comprise a substrate, or an electrically conductive transparent layer on a substrate. Subsequently, a conductive layer on the substrate is structured to form isolated regions, the photoactive layer is deposited and structured, and then a counter electrode is applied and structured.

Abstract: A semiconductive component with a layer system includes at least one layer comprising a compound of the general formula (I) or (II).

Abstract: An optoelectronic component on a substrate includes a first and a second electrode. The first electrode is arranged on the substrate and the second electrode forms a counter electrode. At least one photoactive layer system is arranged between these electrodes. The at least one photoactive layer system including at least one donor-acceptor system having organic materials.

Abstract: In a method for imprinting optoelectronic components with at least one bus bar, the bus bar following the shape of the optoelectronic component and allowing a homogeneous color impression on the rear face of the component, the bus bar is printed on a basic material before deposition of a photoactive layer. The basic material may comprise a substrate, or an electrically conductive transparent layer on a substrate. Subsequently, a conductive layer on the substrate is structured to form isolated regions, the photoactive layer is deposited and structured, and then a counter electrode is applied and structured.

Abstract: The invention relates to compounds of general formula IIIa and their use in optoelectronic components.

Abstract: A photoactive component has an electrode and an opposing electrode. The electrodes have at least one organic layer system arranged between them, also having at least two photoactive layer systems and, between the photoactive layer systems, at least two different transport layer systems have the same charge carrier type. In this case, one transport layer system matches one of the two photoactive layer systems in energy terms, while the other transport layer system is of transparent design.

Abstract: A photoactive component on a substrate includes a first and a second electrode. The first electrode is arranged on the substrate and the second electrode forms a counterelectrode. At least one photoactive layer system is arranged between the electrodes. The photoactive component furthermore includes at least one layer or layer sequence configured such that the layer or layer sequence acts as a spectrally selective color filter in the range from 450 nm to 800 nm in the photoactive component.