Abstract:
Disclosed are semiconducting or conducting organic small molecules, oligomers, and polymers that are based on a donor-acceptor strategy featuring heavy group 16 elements (Se and Te) at the core of acceptor unit(s). The small molecules, oligomers, and polymers can have the following generic structure and can be used in areas such as organic electronic materials and devices : Formula (I).
Abstract:
The invention relates to novel conjugated polymers containing one or more diindeno-thieno[3,2-b]thiophene based polycyclic repeating units, to methods for their preparation and educts or intermediates used therein, to polymer blends, mixtures and formulations containing them, to the use of the polymers, polymer blends, mixtures and formulations as organic semiconductors in organic electronic (OE) devices, especially in organic photovoltaic (OPV) devices and organic photodetectors (OPD), and to OE, OPV and OPD devices comprising these polymers, polymer blends, mixtures or formulations.
Abstract:
Polymer and Organic Light Emitting Device A polymer comprising a repeat unit of formula (I a), (I b) or (Ic): (Formulae (Ia), (Ib), (Ic)) wherein M is a metal; R is a backbone repeat group; n is 1 or 2; Sp is a spacer group; w is 0 or 1; L 1 and L 2 are mono- or bidentate co-coordinating groups; ---- represents a second metal to ligand bond in the case where L 1 or L 2 is a bidentate ligand and at least one of L 1 and L 2 is substituted with group of formula (II) (Formula (II)) wherein m is 0 or 1; each Ar 1 , Ar 2 and Ar 3 is aryl or heteroaryl. The polymer may be used as an emissive material in an organic light-emitting device.
Abstract:
The present invention provides polymers comprising repeating units represented by the formula (I): wherein n is the number of repeating units, R1, R2, R3, R4 are the same or mutually different and represent a hydrogen atom, a halogen atom, an alkoxy group, an alkylthio group, an aryl group, an aryloxy group, an arylthio group, an arylalkyl group, an arylalkoxy group, an arylalkylthio group, an arylalkenyl group, an arylalkynyl group, a mono-valent heterocyclic group, a heterocyclic thio group, an amino group, a substituted amino group, a silyl group, a substituted silyl group, an acyl group, an acyloxy group, an imine residue, an amide group, an acid imide group, a carboxyl group, a substituted carboxyl group, a cyano group or a nitro group, R5, R6 are the same or mutually different and represent a C1-C20 alkyl group and X represents formula (II) wherein Y=N-R7 or CR8R9 or SiR8R9, and R7, R8, R9 represent in each case a C1-C20 alkyl group or have the same meanings as R1, R2, R3, R4, R5 or R6 and their use in photovoltaic devices.
Abstract:
The present invention relates to polymers and a photovoltaic conversion device using the same having the general formula (I): wherein n is the number of repeating units, R1, R2, R3 and R4 are the same or mutually different and represent a hydrogen atom, a halogen atom, an alkyl group, an alkoxy group, an alkylthio group, a cyano group or a nitro group, while R5, R6 are the same or mutually different and represent a C1-C20alkyl group and X represents formula (II) wherein Y=N-R7 or CR8R9 or SiR8R9, and R7, R8, R9 represent in each case a C1-C20alkyl group, EG-1 and EG-2 are the end groups of the polymer and are represented by a hydrogen, a halogen, a trialkylstannyl (-Sn(Alkyl)3), a boronic acid (-B(OH)2), a boronic ester (-B(OAlkyl)2), an aryl or a heteroaryl unit, preferably groups EG-1 and EG-2 of the polymer are represented by hydrogen, bromine or a phenyl unit.
Abstract:
The invention relates to novel conjugated polymers containing one or more repealling units derived from indacenodibenzothiophene or dithia-dicyclopenta-dibenzothiophene, to methods for their preparation and educts or intermediates used therein, to polymer blends, mixtures and formulations containing them, to the use of the polymers, polymer blends, mixtures and formulations as organic semiconductors in organic electronic (OE) devices, especially in organic photovoltaic (OPV) devices, and to OE and OPV devices comprising these polymers, polymer blends, mixtures or formulations.
Abstract:
The invention relates to novel conjugated polymers containing repeating units comprising a halogenated benzene ring, a silolobithiophene moiety, and a benzofused heteroaromatic moiety, to methods for their preparation and educts or intermediates used therein, to polymer blends, mixtures and formulations containing them, to the use of the polymers, polymer blends, mixtures and formulations as organic semiconductors in organic electronic (OE) devices, especially in organic photovoltaic (OPV) devices and organic photodetectors (OPD), and to OE, OPV and OPD devices comprising these polymers, polymer blends, mixtures or formulations.