通过固态缩合和直接升华(SSC-DS)方法合成了一系列新的苯并咪唑衍生物,并研究了它们的物理性质。二胺和酸酐取代基的身份显着影响反应产率和产物稳定性。另一方面,苯并咪唑环的取代基可以对发射最大值,荧光量子产率和氧化还原电位进行微调。通过循环伏安法在氧化铟锡(ITO)上的膜中估算HOMO-LUMO的水平,并将其与其他方法获得的值进行比较。所描述的苯并咪唑显示出高结晶度,这归因于高平面度以及碳与杂原子之间的相互作用。这些化合物在有机场效应晶体管(OFET)中表现出n型半导体行为。-2 cm 2 V -1 s -1。
Color converter comprising at least one polymer and at least one organic fluorescent dye comprising at least one structural unit of the formula (I)
where the structural unit may be mono- or polysubstituted by identical or different substituents and where one or more CH groups of the six-membered ring of the benzimidazole structure shown may be replaced by nitrogen.
Novel illumination device comprising a colour converter
申请人:BASF SE
公开号:EP2718395B1
公开(公告)日:2018-02-28
US9406848B2
申请人:——
公开号:US9406848B2
公开(公告)日:2016-08-02
[EN] NOVEL COLOR CONVERTER<br/>[FR] NOUVEAU CONVERTISSEUR DE COULEURS
申请人:BASF SE
公开号:WO2012168395A1
公开(公告)日:2012-12-13
Color converter comprising at least one polymer and at least one organic fluorescent dye comprising at least one structural unit of the formula (I) where the structural unit may be mono- or polysubstituted by identical or different substituents and where one or more CH groups of the six-membered ring of the benzimidazole structure shown may be replaced by nitrogen.