摘要:
An organic polymer comprising a conjugated backbone for transporting negative charge carriers and having a first band gap and at least one side unit pendent from the backbone for transporting positive charge carriers and having a second band gap, wherein the structure of the organic polymer is selected so that the first and second band gaps are distinct from one another in the polymer.
摘要:
A polymer for use in an optical device comprising a first, optionally substituted, repeat unit of formula and a second, optionally substituted, repeat unit of formula wherein each Ar and Ar′ is the same or different and comprises an optionally substituted aryl or heteroaryl group and optionally a third, optionally substituted, repeat unit in a molar ratio of no greater than 5%, the third repeat unit having a formula —Ar—N(Ar)—Ar— and having a single nitrogen atom in its backbone.
摘要:
A soluble luminescent polymer comprising a first repeat unit [Ar1] and a second repeat unit comprising a unit of general formula (I) which is substituted or unsubstituted: wherein X is RC═CR, S, O or NR; Ar1, Ar2 and Ar3 are each independently an aromatic or heteroaromatic group; and each R independently is hydrogen or a substituent group.
摘要翻译:一种可溶性发光聚合物,其包含第一重复单元[Ar1]和第二重复单元,其包含通式(I)的单元,其是取代或未取代的:其中X为RC = CR,S,O或NR; Ar 1,Ar 2和Ar 3各自独立地为芳族或杂芳族基团; 并且每个R独立地为氢或取代基。
摘要:
A process for preparing a conjugated polymer, which comprises polymerizing in a reaction mixture (a) an aromatic monomer having at least two reactive boron derivative groups selected from a boronic acid group, a boronic ester group and a borane group, and an aromatic monomer having at least two reactive halide functional groups; or (b) an aromatic monomer having one reactive halide functional group and one reactive boron derivative group selected from a boronic acid group, a boronic ester group and a borane group, wherein the reaction mixture comprises a catalytic amount of a palladium catalyst, and an organic base in an amount sufficient to convert the reactive boron derivative groups into —B(OH)3− anions.
摘要:
A polymer for use in an optical device comprising one or more regions, where each region comprises (i) a first structural unit having general formula I: where m=1 or 2 and which contains at least one substituent selected from the group consisting of alkyl, alkoxy, aryl, aryloxy, heteroaryl, and heteroaryloxy groups, each of which may be further substituted; and (ii) a second structural unit Ar selected from the group consisting of heteroaryl, triarylamine and 2,7-fluorenyl; such that where m=1 each region comprises a unit having general formula II: wherein, the substituent has a molecular weight of less than 300.
摘要:
A polymer having a first repeat unit comprising a group having general formula (I) which is substituted or unsubstituted: where at least one of R1 or R2 comprises at least two substituted or unsubstituted aryl or heteroaryl groups and excluding the group having general formula (I) where one or both of R1 and R2 comprises a triarylamine group.
摘要:
A polymer for use in an optical device comprising one or more regions, where each region comprises (i) a first structural unit having general formula I: where m=1 or 2 and which contains at least one substituent selected from the group consisting of alkyl, alkoxy, aryl, aryloxy, heteroaryl, and heteroaryloxy groups, each of which may be further substituted; and (ii) a second structural unit Ar selected from the group consisting of heteroaryl, triarylamine and 2,7-fluorenyl; such that where m=1 each region comprises a unit having general formula II: first structural unit—Ar (II) wherein, the substituent has a molecular weight of less than 300.
摘要:
A copolymer for use in an electroluminescent device comprising a first repeat unit, a second repeat unit comprising a group having a general formula (I) and optionally, a third repeat unit comprising a group having a general formula (II) which may be substituted or unsubstituted where T is a trifluoromethyl substituted benzene; Ar, Ar′ and Ar″ each independently comprise a substituted or unsubstituted aryl or heteroaryl group and m is 1 or 2
摘要:
A polymer comprising a first repeat unit comprising ArhX2 wherein ArhX2 comprises a substituted or unsubstituted heteroaryl group and each X is the same or different and independently comprises a substituted or unsubstituted aryl or heteroaryl group and a second repeat unit that is adjacent to the first repeat unit wherein each X that is part of a main body of the polymer backbone is directly conjugated to the second repeat unit.
摘要:
A polymer for use in an optical device comprising a hole transporting region, an electron transporting region, an emissive region, said polymer comprising an optionally substituted repeat unit of formula (I): wherein each Ar is the same or different and comprises an optionally substituted aryl group.