Abstract: The present invention relates to fluorinated rylenetetracarboxylic acid derivatives, to a process for their preparation and to their use, especially as n-type semiconductors.

Abstract: Rylenetetracarboximides of the general formula I in which the variables are each defined as follows: R, R? are each independently hydrogen; optionally substituted C1-C30-alkyl, C3-C8-cycloalkyl, aryl or hetaryl; R1 is hydrogen or C1-C6-alkyl; R2, R3 are each independently hydrogen; optionally substituted C1-C18-alkyl, aryl or hetaryl; A is a 5- to 9-membered ring which is bonded via a nitrogen atom and whose carbon chain may be interrupted by one or more —O—, —S—, —NR1—, —CO— and/or —SO2— moieties, to which one or two unsaturated or saturated 4- to 8-membered rings may be fused, whose carbon chain may likewise be interrupted by these moieties and/or —N?, and the overall ring system may be mono- or polysubstituted, and where the A radicals may be the same or different when m>1; X is chlorine or bromine, and the X radicals may be the same or different when x>1; Z is optionally substituted C3-C20-alkyl, C3-C20-alken-2-yl, C3-C20-alkyn-2-yl, aryloxy, arylthio, hetaryloxy or hetarylthio, where the Z rad

Abstract: The present invention relates to a process for producing a substrate coated with rylenetetracarboximides, in which a substrate is treated with an N,N?-bisubstituted rylenetetracarboximide and the treated substrate is heated to a temperature at which the N,N?-bisubstituted rylenetetracarboximide is converted to the corresponding N,N?-unsubstituted compound. The present invention further relates to semiconductor units, organic solar cells, excitonic solar cells and organic light-emitting diodes which comprise a substrate produced by this process. The present invention further relates to a process for preparing N,N?-unsubstituted rylenetetracarboximides, in which the corresponding N,N?-bisubstituted rylenetetracarboximides are provided and heated to a temperature at which these compounds are converted to the corresponding N,N?-unsubstituted compounds.

Abstract: A process for preparing quaterrylene-3,4:13,14-tetracarboximides of the general formula I in which R, R? are each independently hydrogen or optionally substituted C1-C30-alkyl, C5-C8-cycloalky or aryl or hetaryl; which comprises reacting a perylene-3,4-dicarboximide of the general formula IIa in the presence of a base-stable, high-boiling, organic solvent and of an alkali metal base or alkaline earth metal base, with a perylene-3,4-dicarboximide of the general formula IIb in which X is hydrogen, bromine or chlorine.

Abstract: The present invention relates to naphthalenetetracarboxylic acid derivates, to a process for their preparation and to their use, especially as an n-type semiconductor.

Abstract: A rylene-based polychromophore of the general formula I in which the variables are each defined as follows: rylene is a radical of the formula which has been functionalized by at least one imide group, ester group or amide group and which may additionally be substituted by aryloxy, arylthio, hetaryloxy and/or hetarylthio; X is a rylenedicarboximide radical which absorbs at a different wavelength from the rylene radical, is bonded to the X radical in the peri-position via Y via a moiety —Y?-A-Y—, is bonded to the rylene radical and may likewise be substituted by aryloxy, arylthio, hetaryloxy and/or hetarylthio; A is a bridging member having at least one aromatic or heteroaromatic radical, the Y or Y and Y? groups being bonded to the aromatic or heteroaromatic radical; Y is a moiety Y? is a moiety where the moieties (i) and (ii) may be part of the ester groups of the rylene radical and the moieties (iii) are part of the imide groups of the rylene radical and the moieties (i

Abstract: Use of rylene derivatives I with the following definition of the variables: X together both —COOM; Y a radical -L-NR1R2 ??(y1) -L-Z-R3 ??(y2) the other radical hydrogen; together both hydrogen; R is optionally substituted (het)aryloxy, (het)arylthio; P is —NR1R2; B is alkylene; optionally substituted phenylene; combinations thereof; A is —COOM; —SO3M; —PO3M2; D is optionally substituted phenylene, naphthylene, pyridylene; M is hydrogen; alkali metal cation; [NR5]4+; L is a chemical bond; optionally indirectly bonded, optionally substituted (het)arylene radical; R1, R2 are optionally substituted (cyclo)alkyl, (het)aryl; together optionally substituted ring comprising the nitrogen atom; Z is —O—; —S—; R3 is optionally substituted alkyl, (het)aryl; R? is hydrogen; optionally substituted (cyclo)alkyl, (het)aryl; R5 is hydrogen; optionally substituted alkyl (het)aryl; m is 0, 1, 2; n, p m=0: 0, 2, 4 where: n+p=2, 4, if appropriate 0; m=1: 0, 2, 4 where: n+p=0, 2, 4; m=2: 0, 4,

Abstract: Rylene derivatives of the general formula I in which the variables are each defined as follows: X are joined to one another with formation of a six-membered ring to give a radical of the formula (a), (b) or (c) are both a —COOM radical; are both hydrogen or one of the two radicals is hydrogen and the other radical is halogen or a radical of the formula (d) Y are joined to one another with formation of a six-membered ring to give a radical of the formula (a) when one of the two X radicals is hydrogen and the other X radical is halogen or a radical of the formula (d) or when both X radicals are hydrogen or together are a radical of the formula (a), (b) or (c); are joined to one another with formation of a six-membered ring to give a radical of the formula (b) when one of the two X radicals is hydrogen and the other X radical is halogen or a radical of the formula (d) or when both X radicals are hydrogen or a —COOM radical or together are a radical of the formula (c); are joined to one anot

Abstract: A fluorescence conversion solar cell based on one or more panels composed of polymer doped with at least one fluorescent dye and/or glass panels coated with the doped polymer and photovoltaic cells mounted on the edges of the panels, which comprise one or more fluorescent dyes based on terrylenecarboxylic acid derivatives or a combination of these fluorescent dyes with further fluorescent dyes.

Abstract: Rylene derivatives of the general formula I in which the variables are each defined as follows: Rylene is a polycyclic conjugated ring system which comprises at least one perylene unit may comprise heteroatoms as ring atoms, may be functionalized by moieties comprising —CO— groups and/or may bear further substituents other than the A radicals; A is a radical of the formula X is oxygen or sulfur; R are identical or different radicals: optionally substituted alkyl, cycloalkyl, aryl, hetaryl, —U-aryl where U is an —O—, —S—, —NR2—, —CO—, —SO— or —SO2— moiety, or C1-C12-alkoxy, C1-C6-alkylthio, —C?CR2, —CR2?CR22, hydroxy, mercapto, halogen, cyano, nitro, —NR3R4, —NR3COR4, —CONR3R4, —SO2NR3R4, —COOR3 or —SO3R3; R? are identical or different radicals: hydrogen or one of the R radicals; R2 is hydrogen or alkyl, where the R2 radicals may be the same or different when they occur more than once; R3, R4 are each independently hydrogen; optionally substituted alkyl, aryl or hetaryl; n is from 1 to

Abstract: A process for preparing perylene-3,4-dicarboximides which bear a sterically demanding substituent on the imide nitrogen atom by reacting a perylene-3,4:9,10-tetracarboxylic dianhydride with a sterically hindered primary amine in a substantially anhydrous reaction medium, which comprises undertaking the reaction in the presence of a tertiary amine, of a solvent based on a cyclic imine or amide and of a Lewis acid as a catalyst.

Abstract: A process for preparing halogenated rylenecarboximides of the general formula I in which the variables are each defined as follows: A, B together are an imide radical or, in the case that n is 1, A and B are also each Hal or one radical is Hal and the other radical is halogen; R, R? are each independently hydrogen; optionally substituted alkyl, cycloalkyl, aryl or hetaryl; Hal is chlorine, bromine or iodine; n is 1, 2 or 3; x is from 2 to 8, by reacting a rylenecarboximide of the general formula II in which the A? and B? radicals together are an imide radical or, in the case that n is 1, are also each hydrogen with elemental halogen in the presence of an inert organic solvent S1, which comprises continuously withdrawing the hydrogen halide formed in the course of the reaction from the solvent S1.

Abstract: The present invention relates to the use of perylene diimide derivatives as air-stable n-type organic semiconductors.

Abstract: The present invention relates to the use of metallocene complexes of metals of transition group 4 of the Periodic Table as emitter molecules in organic light-emitting diodes (OLEDs), the use of the metallocene complexes as light-emitting layer in OLEDs, a light-emitting layer comprising at least one metallocene complex, an OLED comprising this light-emitting layer and devices comprising an OLED according to the invention.

Abstract: A method for producing an organic field-effect transistor, comprising the steps of: a) providing a substrate comprising a gate structure, a source electrode and a drain electrode located on the substrate, and b) applying an n-type organic semiconducting compound to the area of the substrate where the gate structure, the source electrode and the drain electrode are located, wherein the n-type organic semiconducting compound is selected from the group consisting of compounds of the formula I wherein R1, R2, R3 and R4 are independently hydrogen, chlorine or bromine, with the proviso that at least one of these radicals is not hydrogen, Y1 is O or NRa, wherein Ra is hydrogen or an organyl residue, Y2 is O or NRb, wherein Rb is hydrogen or an organyl residue, Z1, Z2, Z3 and Z4 are O, where, in the case that Y1 is NRa, one of the residues Z1 and Z2 may be a NRc group, where Ra and Rc together are a bridging group having 2 to 5 atoms between the terminal bonds, where, in the case that Y2 is NRb, one

Abstract: Polyurethanes having hyperbranched structures, selected from hyperbranched polyurethanes containing at least one pigment affinity group and modified hyperbranched polyurethanes, are used as polymeric dispersing additives for pigments. A preferred process for preparing modified polymeric dispersing additives comprises reacting a hyperbranched polyurethane having from 2 to 100 NCO groups and a molar mass of from 500 to 50,000 g/mol with one or more polyether derivatives.

Abstract: A process for preparing terylene-3,4:11,12-tetracarboximides I where the variables are each defined as follows: R, R? are each independently hydrogen; if desired substituted alkyl or cycloalkyl; R1 is hydrogen or alkyl; R2 is hydrogen; alkyl; if desired substituted aryl or hetaryl, by reacting a perylene-3,4-dicarboximide II in the presence of a base-stable, high-boiling organic solvent and of an alkali metal or alkaline earth metal base, with a naphthalene-1,8-dicarboximide III in which X is hydrogen, bromine or chlorine.

Abstract: The present invention relates to substituted perylene derivatives in which the substituent has a sterically stabilizing and/or electrostatically stabilizing effect. The perylene derivatives of the invention are particularly suitable as pigment dispersants. The present invention additionally relates to pigment preparations in which the perylene derivatives of the invention are used.

Abstract: The use of cyclic compounds of the formula (I) where n is a number in the range from 1 to 7, X-Y-Z, in each case independently of one another, is O—C?N, N?C—O, NR5—C?N, N?C—NR5, N+R52—C?N, N?C—N+R52, O—C?N+R5, N+R5?C—O, S—C?N+R5, N+R5?C—S, S—C?N, N?C—S, R1, R2 and R3 each independently are, for example, H or a substituent or corresponding heterocyclic compounds in which at least one group —CR1?, —CR2?, CR3? is replaced by —N, R5 in each case independently are, for example, H or a substituent R7, in each case independently of one another, are H, C1-12-alkyl or C6-12-aryl, or metal complexes of the cyclic compounds or complexes of the cyclic compounds with mineral acids, chloride, sulfate, bisulfate, phosphate, hydrogen phosphate, nitrate, BF4? or methanesulfonate being present as opposite ions X? in the case of cationic cyclic structures, as light absorbers, materials for hole injection layers in OLEDs, light-emitting compounds in OLED, phase-transfer catalysts or synergistic agents for the dispe

Abstract: A method of automated preparation and characterization of liquid multicomponent systems comprising at least two, preferably three components comprises the automated preparation of a mixture by combining at least two, preferably three components in a vessel, at least one component being metered in an automated fashion into the vessel, and the automated homogenization of the mixture with subsequent automated measuring and evaluation. The apparatus for conducting this method comprises at least one metering station, one closing station, one homogenizing station, one measuring station for determining formulation properties, and one evaluation unit.