Abstract:
Disclosed is the use of compounds of general foRmula (I), wherein the variables have the meaning given in the description in dye-sensitized solar cells; to compounds of general formula (I'), wherein the variables have the meaning given in the description; to compounds of general formula (I"), wherein the variables have the meaning given in the description; to the use of compounds of general formula (II), in the case of q equal to 0 or 1 : as precursor compounds for the manufacture of compounds of general formula (I) and in the case of q equal to 1: as precursor compounds for the manufacture of compounds of general formula (I') wherein the remaining variables have the meaning given in the description; to compounds of general formula (III), wherein the variables have the meaning given in the description; to the use of compounds of general formula (I), (I') or (I") as sensitizers in dye-sensitized solar cells; and to such dye-sensitized solar cells per se.
Abstract:
The present invention provides the compounds of formulae ( 3 ) and (1), wherein n is 0 or 1, R11 and R12 are the same and are selected from the group consisting of CN, OR300, Si(R301)3, NHR302, NR303R304, SR305 and R306, or R11 and R12 together are selected from the group consisting of (a), (b), and (c) and X is Cl, Br or I, and a process for the preparation of compounds of formula (3) comprising the compounds of formula (1) as key intermediates.
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 ot I, and a process for the preparation of compounds of formula (3) comprising the compounds of formula (1 ) as key intermediates.
Abstract:
An oligophenylene monomer of general formula (I) wherein Rand Rare independently of each other H halogene OH NH CN NOor a linear or branched saturated or unsaturated C Chydrocarbon residue which can be substituted 1 to 5 fold with halogene (F Cl Br I) OH NH CN and/or NO and wherein one or more CH groups can be replaced by O or S or an optionally substituted aryl alkylaryl or alkoxyaryl residue; and m represents 0 1 or 2.
Abstract:
Polímero, que comprende unidades de repetición de fórmula**Fórmula** o en las que R1, R2 y R3 son independientemente entre sí arilo C6-C12 o heteroarilo C2-C11, que puede estar opcionalmente sustituido con uno o más grupos G, y R4 tiene el significado de R3 o es alquilo C1-C18, especialmente alquilo C4-C18, G es E, alquilo C1-C18, alquilo C1-C18 que está interrumpido por D, perfluoroalquilo C1-C18, alcoxilo C1-C18 o alcoxilo C1-C18 que está sustituido con E y/o interrumpido por D, D es -CO-; -COO-; -S-, -SO-; -SO2-; -O-; -NXR25-; -SiR30R31-; -POR32-; -CR23>=CR24-; o-C≡C-; y E es -OR29; -SR29; -NR25R26; -COR28; -COOR27; -CONR25R26; -CN: o halógeno especialmente F, R23, R24, R25 y R26 son independientemente entre sí H; arilo C6-C18; arilo C6-C18 que está sustituido con alquilo C1-C18 o alcoxilo C1-C18; alquilo C1-C18; o alquilo C1-C8 que está interrumpido por -O-; R27 es H; arilo C6-C18; arilo C6-C18 que está sustituido con alquilo C1-C18 o alcoxilo C1-C18; especialmente alquilo C1- C18 o alquilo C1-C18 que está interrumpido por -O-, R28 es H; C5-C18aril: arilo C6-C18 que está sustituido con alquilo C1-C18 o alcoxilo C1-C18; alquilo C1-C18; o alquilo C1- C18 que está interrumpido por -O-, R29 es H: arilo C6-C18; arilo C6-C18, que está sustituido con alquilo C1-C18 o alcoxilo C1-C18; alquilo C1-C18; o alquilo C1-C18 que está interrumpido por -O-, R30 y R31 son independientemente entre sí alquilo C1-C18, arilo C6-C18 o arilo C1-C18, que está sustituido con alquilo C1-C18, y R32 es alquilo C1-C18, arilo C6-C18 o arilo C6-C18, que está sustituido con alquilo C1-C18.
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 related to thermally stable p-conducting oligomers and polymers of triangulene of formula (I) and their use in dye sensitized solar cells.
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:
Oligophenylene monomers for the synthesis of polymeric precursors for the preparation of graphene nanoribbons the polymeric precursors and methods for preparing them as well as methods for preparing the graphene nanoribbons from the polymeric precursors and the monomers are provided.