已经合成并表征了几种具有二苯并-24-冠-8取代的2-苯基吡啶(ppy)配体的铱配合物。这些铱配合物发出绿光,其光致发光量子产率在0.56至0.63范围内,并具有良好的热性能。使用可溶性聚(N-乙烯基咔唑)(PVK)作为主体并将所得铱复合物用作掺杂剂,将复合物掺入磷光聚合物发光器件(PLED)中。观察到高效绿色电致磷光,峰值发射在约520 nm处。在这些器件中,以G3作为掺杂剂的PLED表现出最好的EL性能。在537 cd m -2的条件下获得了10.92%的外部量子效率和29.6 cd A -1的发光效率。
已经合成并表征了几种具有二苯并-24-冠-8取代的2-苯基吡啶(ppy)配体的铱配合物。这些铱配合物发出绿光,其光致发光量子产率在0.56至0.63范围内,并具有良好的热性能。使用可溶性聚(N-乙烯基咔唑)(PVK)作为主体并将所得铱复合物用作掺杂剂,将复合物掺入磷光聚合物发光器件(PLED)中。观察到高效绿色电致磷光,峰值发射在约520 nm处。在这些器件中,以G3作为掺杂剂的PLED表现出最好的EL性能。在537 cd m -2的条件下获得了10.92%的外部量子效率和29.6 cd A -1的发光效率。
ORGANIC ELECTROLUMINESCENT DEVICE AND BORIC ACID AND BORINIC ACID DERIVATIVES USED THEREIN
申请人:Merck Patent GmbH
公开号:US20150322091A1
公开(公告)日:2015-11-12
The present invention relates to the use of aromatic boronic acid or borinic acid derivatives in organic electronic devices, in particular electroluminescent devices.
The present invention relates, inter alia, to compositions comprising, a compound which is able to emit and/or absorb light and a compound which is able either to absorb or emit light, where both compounds each include at least one fluorine radical. The present invention is furthermore directed to a process for the preparation of the composition, to the use of the composition in electronic devices and to the device itself.
METHOD FOR THE SEPARATION OF ENANTIOMERIC MIXTURES FROM METAL COMPLEXES
申请人:MERCK PATENT GMBH
公开号:US20190241591A1
公开(公告)日:2019-08-08
The present invention relates to processes for separating mixtures containing enantiomers of metal complexes with aromatic and/or heteroaromatic ligands, to metal complexes and to electronic devices, especially organic electroluminescent devices, comprising these metal complexes.