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Cross-linkable organometallic light emitting ligands and complexes
Cross-linkable organometallic light emitting ligands and complexes
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机译:可交联的有机金属发光配体和配合物
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摘要
The present invention relates to a 1, 4 bidentate ligand comprising first and second ligand 10 centres, wherein the first ligand centre is an sp2-hybridised carbon or a nitrogen atom; wherein the second ligand centre is a nitrogen atom in a five- or six-membered aromatic or hetero-aromatic ring, said ring having a substantially linear substituent -1' meta or para to the nitrogen atom; wherein T1 has the fomula 1: - Ar1a –Y1b - Ar2 - [Y2c – Ar2]d - S – B ( 1 ) and wherein T' is attached to the ring by X', wherein X' is a bond, a methylene group, a substituted methylene group, an oxygen atom or a sulphur atom, wherein each Arl and Are are independently selected from the group of C6 aromatic and C4 to C20 heteroaromatic groups, wherein YI and each Y2 is independently an optionally substituted C2 or acetonitrile trans double-bond linking moiety, wherein a is 0, 1, 2 or 3, b is 0, 1 or 2, each c is independently 0, 1 or 2, d is 0,1,2, 3 or 4, S is a flexible spacer, and B represents a moiety having one or more cross-linkable functionalities.
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