Abstract: The present invention relates to a compound having the general formula (1) wherein in the general formula (1) the residues R1 to R8 and Ar are the same or different and are independently from each other selected from the group consisting of hydrogen, unsubstituted hydrocarbon groups, substituted hydrocarbon groups and inorganic groups, wherein at least one of the residues R1 to R8 and Ar is a hydrophilic group, such as for instance a group comprising one or more polyethylene groups.

Abstract: Provided are soluble graphene quantum dots and light-emitting devices including the same. The soluble graphene quantum dot has an anthracenyl N-alkyl maleimide functional group at an edge thereof, thereby exhibiting improved solubility and/or improved emission characteristics.

Abstract: The present invention relates to a compound having the general formula (1) wherein in the general formula (1) the residues R1 to R8 and Ar are the same or different and are independently from each other selected from the group consisting of hydrogen, unsubstituted hydrocarbon groups, substituted hydrocarbon groups and inorganic groups, wherein at least one of the residues R1 to R8 and Ar is a hydrophilic group, such as for instance a group comprising one or more polyethylene groups.

Abstract: The present invention relates to the use of a compound in single-molecule localization microscopy (SMLM), in stimulated emission depletion microscopy (STED), in minimal emission fluxes microscopy (MINFLUX) or in structured illumination and localization microscopy (SIMFLUX), wherein the compound is a substituted or unsubstituted polycyclic aromatic hydrocarbon comprising six or more substituted and/or unsubstituted aromatic hydrocarbon rings, wherein each of at least six of the six or more substituted and/or unsubstituted aromatic hydrocarbon rings is fused with at least another one of the at least six substituted and/or unsubstituted aromatic hydrocarbon rings.

Abstract: The invention relates to a quinoid conjugated polymer and a preparation method and application thereof. The quinone conjugated polymer is a novel quinoid polymer connected by C?C double bonds and has good conductivity. The monomer used to prepare the quinoid conjugated polymer contains at least two carbonyl groups. The preparation method is simple and does not require oxidation treatment or doping. The quinoid conjugated polymer can exhibit conductivity without being oxidized or doped, can be prepared quickly and conveniently, and can be applied to optoelectronic devices, thus achieving high application value.

Abstract: The present invention relates to a cyclic amine surface modifier. In addition the present invention also relates to organic electronic devices comprising such cyclic amine surface modifier.

Abstract: 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 be 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 emitting diodes (OLEDs), and organic field effect transistors (OFETs).

Abstract: Provided is a 4-oxoquinoline compounds of the formula (I) (I) wherein A is selected from diradicals of the formulae (A.1), (A.2), (A.3), (A.4), (A.5) and (A.6), (A.1) (A.2) (A.3) (A.4) (A.5) (A.6) wherein R1, R2a, R2b, R3, R3a, if present R4a, R4b, R 5a, R5b, R6a, R6b, R6c, R6d, Rn1, Rn2, Rn3, Rn4, Rm5, Rm6, Rm7, Rm8, R7, R8a, R9 and R9a are as defined in the claims and in the description. Also provided is a method for their preparation and their use.

Abstract: To provide nitrogen-containing aromatic compounds with excellent oxygen reduction activity, metal complexes containing them, and catalysts and electrodes employing the same, the present invention provides an aromatic compound satisfying the following conditions (a) and (b): (a) It has 2 or more structures surrounded by at least 4 coordinatable nitrogen atoms (which structures may be the same or different), (b) At least one of the nitrogen atoms composing the structure is a nitrogen atom in a 6-membered nitrogen-containing heterocyclic ring.

Abstract: Provided are graphene nanoribbons with controlled zig-zag edge and cove edge configuration and methods for preparing such graphene nanoribbons. The nanoribbons are selected from the following formulae.

Abstract: The present invention relates to a methoxyaryl surface modifier. In addition the present invention also relates to organic electronic devices comprising such methoxyaryl surface modifier.

Abstract: A polymer containing at least one unit of formula is prepared by treating a compound of formula wherein Y2 is I, Br, Cl or O—S(O)2CF3, with an S-donor agent, in order to obtain the compound of formula wherein Y2 is as defined for the compound of formula (5).

Abstract: The present invention relates to a segmented graphene nanoribbon, comprising at least two different graphene segments covalently linked to each other, each graphene segment having a monodisperse segment width, wherein the segment width of at least one of said graphene segments is 4 nm or less and to a method for preparing it by polymerizing at least one polycyclic aromatic monomer compound and/or at least one oligo phenylene aromatic hydrocarbon monomer compound to form at least one polymer and by at least partially cyclodehydrogenating the one or more polymer.

Abstract: A 4-hydroxquinoline compound has the formula (I) wherein A is selected from diradicals of the formulae (A.1), (A.2), (A.3), (A.4), (A.5), and (A.6) wherein R1, R2a, R2b, R3, if present R4a, R4b, R5a, R5b, R6a, R6b, R6c, R6d, Rn1, Rn2, Rn3, Rn4, Rm5, Rm6, Rm7, Rm8, R7, R8a, R9 are as defined in the description.

Abstract: A polymer containing at least one unit of formula is prepared by treating a compound of formula wherein Y2 is I, Br, Cl or O—S(O)2CF3, with an S-donor agent, in order to obtain the compound of formula wherein Y2 is as defined for the compound of formula (5).

Abstract: Provided is a 4-oxoquinoline compounds of the formula (I) (I) wherein A is selected from diradicals of the formulae (A.1), (A.2), (A.3), (A.4), (A.5) and (A.6), (A.1) (A.2) (A.3) (A.4) (A.5) (A.6) wherein R1, R2a, R2b, R3, R3a, if present R4a, R4b, R5a, R5b, R6a, R6b, R6c, R6d, Rn1, Rn2, Rn3, Rn4, Rm5, Rm6, Rm7, Rm8, R7, R8a, R9 and R9a are as defined in the claims and in the description. Also provided is a method for their preparation and their use.

Abstract: 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).

Abstract: Boron-comprising perylene monoimides and a process for producing the boron-comprising perylene monoimides are provided. The boron-comprising perylene monoimides are useful as building blocks for producing perylene monoimide derivatives and monoimide derivatives. The boron-comprising perylene monoimides are also useful for preparing dye-sensitized solar cells.

Abstract: The present invention relates to a graphene nanoribbon, comprising a repeating unit which comprises at least one modification, wherein the modification is selected from a heteroatomic substitution, a vacancy, a sp3 hybridization, a Stone-Wales defect, an inverse Stone-Wales defect, a hexagonal sp2 hybridized carbon network ring size modification, and any combination thereof.

Abstract: The present invention provides the compounds of formulae (3) and (1) wherein n is 0 or 1, R13 and R14 are the same or different and are selected from the group consisting of NHR310, NR311R312, OR313, SR314 and R315, or R13 and R14 together are selected from the group consisting of (a), (b) and (c), and X is CI, Br of I, and a process for the preparation of compounds of formula (3) comprising the compounds of formula (1) as key intermediates.