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: The invention relates to organic components for converting light into electrical energy, comprising integrated bypass diodes, which are integrated into the optoelectronic stack, in order to increase the efficiency and the service life of the optoelectronic component in the case of partial shading/shading of individual cells or cell segments. Said components can also be produced for large-area applications in the roll-to-roll method.

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: 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: 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: 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 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 includes organic layers, including a single, tandem or multiple cell with two electrodes and, between the electrodes, a photoactive acceptor-donor layer system that includes at least three absorber materials. At least two absorber materials are donors or acceptors. One of the two absorber materials is configured as donors or acceptors absorbing at greater wavelengths than the other absorber material and one of the two absorber materials have a lower Stokes shift and/or a lower absorption width than the other absorber material.

Abstract: The present disclosure relates to an optoelectronic component having an electrode (2), a counter electrode (6) and at least one organic light-sensitive layer (4) between the electrode and counter electrode. The organic light-sensitive layer (4) contains at least one compound of the general formula EWG (electron withdrawing group)-D (donor block)-EWG with at least one substituent on the extended donor block D.

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 includes organic layers, including a single, tandem or multiple cell with two electrodes and, between the electrodes, a photoactive acceptor-donor layer system that includes at least three absorber materials. At least two absorber materials are donors or acceptors. One of the two absorber materials is configured as donors or acceptors absorbing at greater wavelengths than the other absorber material and one of the two absorber materials have a lower Stokes shift and/or a lower absorption width than the other absorber material.

Abstract: The invention relates to an organic photoactive device, especially an organic photovoltaic cell, with a contact and a countercontact as well as with an organic region that is electrically connected to the contact and the countercontact, wherein a photoactive region with a photoactive bulk heterojunction or a flat heterojunction between an electron-conducting organic material and a hole-conducting organic material is formed in the organic region and wherein the hole-conducting organic material and/or the electron-conducting organic material is formed from oligomers according to any one of the following types: conjugated acceptor-donor-acceptor oligomer (A-D-A? oligomer) with an acceptor unit (A) and a further acceptor unit (A?) that are each connected to a donor unit (D), and conjugated donor-acceptor-donor oligomer (D-A-D? oligomer) with a donor unit (D) and a further donor unit (D?) that are each connected to an acceptor unit (A).

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: A photoactive component comprising organic layers, in particular a solar cell comprising a photoactive i-layer system, contains at least one mixed layer. The mixed layer contains at least one donator material and one acceptor material, and thus forms a donator-acceptor system. The donator material and the acceptor material of the mixed layer are non-polymer materials. In a vacuum, the donator material has an evaporation temperature which is at least 150° C. lower than the evaporation temperature of the acceptor material and has an inverted layer sequence with an n-i-p, i-p, or n-i structure of an n-layer, i-layer, or p-layer system respectively. The organic photoactive i-layer system is applied directly onto the cathode or onto an electron-conducting n-material system.

Abstract: The invention relates to a photoactive device with organic layers, especially a solar cell, with a layer arrangement having an electrode and a counterelectrode as well as a sequence of organic layers arranged between the electrode and the counterelectrode, wherein two layers bordering on one another are formed in a photoactive region encompassed by the sequence of organic layers, namely, an exciton-harvesting layer (EHL) and an exciton-separating layer (ESL); in which the exciton-harvesting layer (EHL) is a mixed layer containing an organic material (A) and at least one further organic material (B), in which (i) a lowest singlet excitation state for excitons (S1A) of the organic material (A) is energetically higher than a lowest singlet excitation state for excitons (S1B) of the further organic material (B), (ii) the further organic material (B) is chosen such that it transforms singlet excitons into triplet excitons with a quantum yield of at least approximately 20%, preferably of at least approximately 50%

Abstract: The invention relates to an organic photoactive device, especially an organic photovoltaic cell, with a contact and a countercontact as well as with an organic region that is electrically connected to the contact and the countercontact, wherein a photoactive region with a photoactive bulk heterojunction or a flat heterojunction between an electron-conducting organic material and a hole-conducting organic material is formed in the organic region and wherein the hole-conducting organic material and/or the electron-conducting organic material is formed from oligomers according to any one of the following types: conjugated acceptor-donor-acceptor oligomer (A-D-A? oligomer) with an acceptor unit (A) and a further acceptor unit (A?) that are each connected to a donor unit (D), and conjugated donor-acceptor-donor oligomer (D-A-D? oligomer) with a donor unit (D) and a further donor unit (D?) that are each connected to an acceptor unit (A).