Abstract: An electronic device containing a polythiophene derived from a monomer segment or monomer segments containing two 2,5-thienylene segments, (I) and (II), and an optional divalent linkage D wherein A is a side chain; B is hydrogen or a side chain; and D is a divalent linkage, and wherein the number of A-substituted thienylene units (I) in the monomer segments is from about 1 to about 10, the number of B-substituted thienylene units (II) is from 0 to about 5, and the number of divalent linkages D is 0 or 1.

Abstract: An electronic device containing a polythiophene wherein R represents a side chain, m represents the number of R substituents; A is a divalent linkage; x, y and z represent, respectively, the number of Rm substituted thienylenes, unsubstituted thienylenes, and divalent linkages A, respectively, in the monomer segment subject to z being 0 or 1, and n represents the number of repeating monomer segments in the polymer or the degree of polymerization.

Abstract: A process composed of: reacting a reaction mixture comprised of one or more optionally substituted indolocarbazoles, a reaction medium, and a coupling agent at a reaction temperature to form a compound composed of a plurality of optionally substituted indolocarbazole moieties which are the same or different from each other.

Abstract: A thienylene-arylene polymer comprised of a repeating segment containing at least one 2,5-thienylene unit selected from (I) and (II), and from about one to about three arylene units selected from (IIIa), (IIIb), and/or (IIIc) wherein R is an alkyl or an alkoxy; R? is halogen, alkyl, or alkoxy, and a and b represent the number of Rs.

Abstract: A dielectric material prepared from a siloxy/metal oxide hybrid composition, and electronic devices such as thin film transistors comprising such dielectric material are provided herein. The siloxy/metal oxide hybrid composition comprises a siloxy component such as, for example, a siloxane or silsesquioxane. The siloxy/metal oxide hybrid composition is useful for the preparation of dielectric layers for thin film transistors using solution deposition techniques.

Abstract: Polythiophenes of the formula wherein R is a side chain; m is the number of substituents; A is a divalent linkage; x, y and z represent, respectively, the numbers of R substituted thienylene, unsubstituted thienylene, and divalent linkages A in the monomer segment with z being either 0 or 1; and n represents the number of the repeating monomer segments in the polymer chain or the degree of polymerization.

Abstract: A polythiophene wherein the monomer segments thereof contain wherein A is a side chain; B is hydrogen or a side chain; and D is a divalent segment, and wherein the number of A-substituted thienylene units (I) in the monomer segments is from about 1 to about 10, the number of B-substituted thienylene units (II) is from 0 to about 5, and the number of divalent segments D is 0 or 1.

Abstract: An electronic device containing a polythiophene wherein R represents a side chain, m represents the number of R substituents; A is a divalent linkage; x, y and z represent, respectively, the number of Rm substituted thienylenes, unsubstituted thienylenes, and divalent linkages A, respectively, in the monomer segment subject to z being 0 or 1, and n represents the number of repeating monomer segments in the polymer or the degree of polymerization.

Abstract: An electronic device containing a polythiophene prepared by a metal halide-mediated coupling polymerization in an appropriate solvent, and which polythiophene is comprised of at least one monomer unit selected from the group consisting of 2,5-thienylene (or 2,5-thiophenediyl) (I), 2,5-thienylene (or 2,5-thiophenediyl) (II), and a divalent linkage D wherein, for example, A is alkyl, alkoxy or derivatives thereof; B is a hydrogen atom, a small substituent like alkyl or alkoxy.

Abstract: A method of patterning organic semiconductor layers of electronic devices utilizing reverse printing.

Abstract: A process composed of subjecting a reaction mixture comprising a reaction medium, a coupling agent, and a precursor to a coupling temperature to preferentially form a desired small molecular thiophene compound in a single-step synthesis, wherein the precursor consists of: (i) an optional divalent linkage, and (ii) a plurality of thiophene units, each thiophene unit being represented by structure (A) wherein each thiophene unit is bonded at either or both of the second ring position and the fifth ring position.

Abstract: An electronic device containing a thienylene-arylene polymer comprised of a repeating segment containing at least one 2,5-thienylene segment of (I) or (II), and at least one arylene segment of (IIIa), (IIIb), or (IIIc) wherein each R is independently an alkyl or an alkoxy side chain; R? is halogen, alkyl, or alkoxy, and a and b represent the number of R segments or groups, and wherein the number of arylene segments (IIIa), (IIIb), and (IIIc) is from about 1 to about 3.

Abstract: A thin film transistor including: an insulating layer; a gate electrode; a semiconductor layer including coalesced structurally ordered polymer aggregates of a self-organizable polymer, wherein the self-organizable polymer is of a type capable of gelling; a source electrode; and a drain electrode, wherein the insulating layer, the gate electrode, the semiconductor layer, the source electrode, and the drain electrode are in any sequence as long as the gate electrode and the semiconductor layer both contact the insulating layer, and the source electrode and the drain electrode both contact the semiconductor layer.

Abstract: Polythiophenes of the formula wherein R and R? are side chains; A is a divalent linkage; x and y represent the number of unsubstituted thienylene units; z represents the number of groups, and wherein the sum of x and y represents the number of groups; m represents the number of segments; and n represents the degree of polymerization.

Abstract: A polythiophene comprising, for example, a repeating segment of the formula wherein R? is CF3, alkoxy, or alkyl; and y and z represent the number of repeating segments.

Abstract: An electronic device containing a polythiophene derived from a monomer segment or monomer segments containing two 2,5-thienylene segments, (I) and (II), and an optional divalent linkage D wherein A is a side chain; B is hydrogen or a side chain; and D is a divalent linkage, and wherein the number of A-substituted thienylene units (I) in the monomer segments is from about 1 to about 10, the number of B-substituted thienylene units (II) is from 0 to about 5, and the number of divalent linkages D is 0 or 1.

Abstract: An electronic device containing a polythiophene prepared by a metal halide-mediated coupling polymerization in an appropriate solvent, and which polythiophene is comprised of at least one monomer unit selected from the group consisting of 2,5-thienylene (or 2,5-thiophenediyl) (I), 2,5-thienylene (or 2,5-thiophenediyl) (II), and a divalent linkage D wherein, for example, A is alkyl, alkoxy or derivatives thereof; B is a hydrogen atom, a small substituent like alkyl or alkoxy.

Abstract: A process including: (a) selecting a composition including a polymer and a liquid, wherein the polymer exhibits lower solubility in the liquid at room temperature but exhibits greater solubility in the liquid at an elevated temperature, wherein the composition gels when the elevated temperature is lowered to a first lower temperature without agitation; (b) dissolving at the elevated temperature at least a portion of the polymer in the liquid; (c) lowering the temperature of the composition from the elevated temperature to the first lower temperature; (d) agitating the composition to disrupt any gelling, wherein the agitating commences at any time prior to, simultaneous with, or subsequent to the lowering the elevated temperature of the composition to the first lower temperature: (e) depositing a layer of the composition wherein the composition is at a second lower temperature lower than the elevated temperature; and (f) drying at least partially the layer.

Abstract: A polythiophene wherein the monomer segments thereof contain: wherein A is a side chain; B is hydrogen or a side chain; and D is a divalent segment, and wherein the number of A-substituted thienylene units (I) in the monomer segments is from about 1 to about 10, the number of B-substituted thienylene units (II) is from 0 to about 5, and the number of divalent segments D is 0 or 1.

Abstract: An electronic device includes a semiconductor layer in contact with a number of electrodes, wherein the semiconductive layer includes a compound wherein either or both of the following geometric isomers of the compound are present: wherein: n is 1, 2 or 3 for the polycyclic moiety; and R1 and R2 are independently selected from the group consisting of a hydrocarbon ring and a heterocyclic group, wherein R1 and R2 are the same or different hydrocarbon ring, the same or different heterocyclic group, or one of R1 and R2 is the hydrocarbon ring and the other the heterocyclic group.