Abstract:
Dithienobenzo-thieno[3,2-b]thiophene-copolymers of the formula (I) wherein: pi is a monocyclic or polycyclic moiety optionally substituted with 1-4 Ra groups, wherein Ra, at each occurrence, is independently hydrogen or a) a halogen, b) -CN, c) -NO2, d) oxo, e) -OH, f) =C(Rb)2; g) a C1-20 alkyl group, h) a C2-20 alkenyl group, i) a C2-20 alkynyl group, j) a C1-20 alkoxy group, k) a C1-20 alkylthio group, I) a C1-20 haloalkyl group, m) a -Y- C3-10 cycloalkyl group, n) a -Y- C6-14 aryl group, o) a -Y-3-12 membered cycloheteroalkyl group, or p) a -Y-5-14 membered heteroaryl group, wherein each of the C1-20 alkyl group, the C2-20 alkenyl group, the C2-20 alkynyl group, the C3-10 cycloalkyl group, the C6-14 aryl or haloaryl group, the 3-12 membered cycloheteroalkyl group, and the 5- 14 membered heteroaryl group is optionally substituted with 1 -4 Rb groups; Y, at each occurrence, is independently a divalent C1-6 alkyl group, a divalent C1-6 haloalkyl group, or a covalent bond; and R1, R2, R3, at each occurrence, are independently H, a halogen, CN, a C1-30 alkyl group, a C2-30 alkenyl group, a C1-30 haloalkyl group, a C2-30 alkynyl group, a C1-30 alkoxy group, a C(O)-C1-20 alkyl group, a C(O)-OC1-20 alkyl group, a Y-C3-10 cycloalkyl group, a -Y-3- 12 membered cycloheteroalkyl group, each optionally substituted with 1-5 substituents selected from a halogen, -CN, a C1-6 alkyl group, a C1-6 alkoxy group, and a C1-6 haloalkyl group, -L-Ar1, -L-Ar1 -Ar1, -L-Ar1-R4, or -L-Ar1-Ar1-R4 and Y, at each occurrence, is independently a divalent C1-6 alkyl group, a divalent C1-6 haloalkyl group, or a covalent bond; n = 0, 1, 2; and o = 1 - 1000.
Abstract:
The present invention relates to a method for producing a layer containing at least one semiconductive metal oxide on a substrate, comprising at least the steps of: (A) producing a solution containing at least one precursor compound of the at least one metal oxide selected from the group of carboxylates from monocarboxylic, dicarbonic, or polycarboxylic acids with at least three carbon atoms or derivatives of monocarboxylic, dicarbonic, or polycarboxylic acids, alcoholates, hydroxides, semicarbazides, carbamates, hydroxamates, isocyanates, amidins, amidrazones, carbamide derivatives, hydroxylamines, oximes, urethanes, ammonia, amines, phosphines, ammonium compounds, azides of the corresponding metal and compounds thereof, in at least one solvent; (B) application of the solvent of step (A) on the substrate; and (C) thermal treatment of the substrate of step (B) at a temperature of 20 to 200 degrees Celsius, in order to transfer the at least one precursor compound in at least one semiconductive metal oxide. In the event that in step (A), electrically neutral [(OH)x(NH3)yZn]z with x, y, and z independently from one another 0.01 to 10, is used as precursor compound, said precursor compound is obtained by conversion of zinc oxide or zinc hydroxide with ammonia; a substrate, which is coated with at least one semiconductive metal oxide, obtainable by said method; the application of said substrate in electronic components; and a method for producing electronically neutral [(OH)x(NH3)yZn]z with x, y, and z independently from one another 0.01 to 10, by conversion of zinc oxide and/or zinc hydroxide with ammonia.
Abstract:
Disclosed are new semiconductor materials prepared from dithienylvinylene copolymers with aromatic or heteroaromatic p-conjugated systems. Such copolymers, with little or no post-deposition heat treatment, can exhibit high charge carrier mobility and/or good current modulation characteristics. In addition, the polymers of the present teachings can possess certain processing advantages such as improved solution- processability and low annealing temperature.
Abstract:
A field effect element comprising: a source electrode and a drain-electrode, a semiconducting layer comprising a semiconducting compound being in contact with the source electrode and the drain electrode, - a gate electrode, and a dielectric layer comprising one or more compounds selected from hygroscopic organic compounds and/or from nanoparticulate inorganic compounds being arranged between the semiconducting layer and the gate electrode, wherein said hygroscopic organic compounds have a water absorption capability of more than 1.2 % by weight, and a hydrophobic insulating layer being arranged between the gate electrode and the dielectric layer preventing diffusion of water into the one or more hygroscopic compounds of the dielectric layer during the time of use of the field effect element, said hydrophobic insulating layer having a water absorption capability of less than 1.2 % by weight, the semiconducting layer, the dielectric layer or the hydrophobic insulating layer, or a combination thereof, being disposable from a liquid; and a process for producting the same.
Abstract:
Disclosed are new semiconductor materials prepared from naphthalene-imide copolymers. Such polymers can exhibit desirable electronic properties and can possess processing advantages including solution-processability and/or good stability at ambient conditions.
Abstract:
Disclosed are new semiconductor materials prepared from perylene-imide copolymers. Such polymers can exhibit high n-type carrier mobility and/or good current modulation characteristics. In addition, the compounds of the present teachings can possess certain processing advantages such as solution-processability and/or good stability at ambient conditions.
Abstract:
A benzothiadiazol-cyclopentadithiophene copolymer comprising as repeating unit the group of the formula (I) wherein R is n-hexadecyl or 3,7-dimethyloctyl, and having a number average molecular weight Mn in the range of from 30 to 70 kg/mol is disclosed. The invention also relates to the use of the copolymers as semiconductors or charge transport materials, as thin-film transistors (TFTs), or in semiconductor components for organic light-emitting diodes (OLEDs), for photovoltaic components or in sensors, as an electrode material in batteries, as optical waveguides or for electrophotography applications.
Abstract:
Disclosed are new semiconductor materials prepared from dimeric perylene compounds. Such compounds can exhibit high n-type carrier mobility and/or good current modulation characteristics. In addition, the compounds of the present teachings can possess certain processing advantages such as solution-processability and/or good stability at ambient conditions.
Abstract:
The present teachings provide semiconducting compounds, materials prepared from such compounds, methods of preparing such compounds and semiconductor materials, as well as various compositions, composites, and devices that incorporate the compounds and semiconductor materials. Specifically, compounds of the present teachings can have higher electron-transport efficiency and higher solubility in common solvents compared to related representative compounds.
Abstract:
Dithienobenzodithiophenes of general formula (I) in which R1 to R6 are each independently selected from a) H, b) halogen, c) -CN, d) -NO2, e) - OH, f) a C1-20 alkyl group, g) a C2-20 alkenyl group, h) a C2-20 alkynyl group, i) a C1-20 alkoxy group, j) a C1-20 alkylthio group, k) a C1-20 haloalkyl group, I) a -Y- C3-10 cycloalkyl group, m) a -Y-C6-14 aryl group, n) a -Y-3-12 membered cyclo- heteroalkyl group, or o) a -Y-5-14 membered heteroaryl group, wherein each of the C1-20 alkyl group, the C2-20 alkenyl group, the C2-20 alkynyl group, the C3-10 cycloalkyl group, the C6-14 aryl group, the 3-12 membered cyc- loheteroalkyl group, and the 5-14 membered heteroaryl group is optionally substituted with 1 -4 R7 groups, wherein R1 and R3 and R2 and R4 may also together form an aliphatic cyclic moiety, Y is independently selected from divalent a C1-6 alkyl group, a divalent C1-6 haloalkyl group, or a covalent bond; and m is independently selected from 0, 1, or 2. The invention also relates to the use of the dithienobenzodithiophenes according to any of claims 1 to 4 as semiconductors or charge transport materials, as thin-film transistors (TFTs), or in semiconductor components for organic light-emitting diodes (OLEDs), for photovoltaic components or in sensors, as an electrode material in batteries, as optical waveguides or for electrophotography applications.