摘要:
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.
摘要:
A small molecular thiophene compound consisting of 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, wherein m is 0, 1, or 2, wherein each thiophene unit is the same or different from each other in terms of substituent number, substituent identity, and substituent position, wherein each R1 is independently selected from the group consisting of: (a) a hydrocarbon group, (b) a heteroatom containing group, and (c) a halogen, wherein there is at least one thiophene unit where R1 is present at the third ring position or the fourth ring position, or at both the third ring position and the fourth ring position, wherein for any two adjacent thiophene units as represented by structure (A1): there is excluded the simultaneous presence of the same or different R1 at the 3-position of one thiophene unit and at the 3′-position of the other thiophene unit wherein R1 is not part of a cyclic ring structure fused to the thiophene unit.
摘要:
An electronic device comprising a semiconductor layer in contact with a number of electrodes, wherein the semiconductor layer includes a small molecular thiophene compound consisting of 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, wherein there is at least one thiophene unit where R1 is present at the third ring position or the fourth ring position, or at both the third ring position and the fourth ring position, wherein for any two adjacent thiophene units there is excluded the simultaneous presence of the same or different R1 at the 3-position of one thiophene unit and at the 3′-position of the other thiophene unit.
摘要:
A polymer comprising one or more types of repeat units, wherein the polymer includes a substituted thieno[3,2-b]thiophene component A and a different component B in the same type of repeat unit or in different types of repeat units, and wherein the polymer excludes a substituted or unsubstituted thieno[2,3-b]thiophene moiety. The polymer can be used as a semiconductor in electronics such as in organic thin film transistors.
摘要:
An electronic device, such as a thin film transistor containing a semiconductor of the Formula: wherein R, R′ and R″ are, for example, independently hydrogen, a suitable hydrocarbon, a suitable hetero-containing group, a halogen, or mixtures thereof; and n represents the number of repeating units.
摘要:
An electronic device including a compound comprising at least one type of an optionally substituted indolocarbazole moiety and at least one divalent linkage.
摘要:
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 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.
摘要:
An electronic device comprising a polymer of Formula or structure (I) wherein R1 is hydrogen, halogen, a suitable hydrocarbon, or a heteroatom containing group; R2 is hydrogen, a suitable hydrocarbon, a heteroatom containing group, or a halogen; R3 and R4 are independently a suitable hydrocarbon, hydrogen, a heteroatom containing group, or a halogen; Ar is an aromatic component; x, y, a, b, and c represent the number of groups or rings, respectively; Z represents sulfur, oxygen, selenium, or NR wherein R is hydrogen, alkyl, or aryl; and n represents the number of repeating units.
摘要翻译:一种包含式或其结构(I)的聚合物的电子器件,其中R 1是氢,卤素,合适的烃或含杂原子的基团; R 2是氢,适合的烃,含杂原子的基团或卤素; R 3和R 4独立地是合适的烃,氢,含杂原子的基团或卤素; Ar是芳香族成分; x,y,a,b和c分别表示基团或环的数目; Z表示硫,氧,硒或NR,其中R是氢,烷基或芳基; n表示重复单元的数量。
摘要:
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.
摘要:
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.