π-扩展系统是未来有机电子技术发展的关键组成部分。虽然构思具有改进特性的分子是材料科学发展的基础,但保持对分子 3D 排列的控制是一项不断扩大的挑战。本文报道了一种用不对称磷原子代替 π 系统碳原子的合成方案;特别是,它允许构想具有改进性能的新稠合磷芘衍生物。不对称磷原子的存在排除了准分子的形成。X 射线衍射显示,与此同时,在固态下发生了强烈的分子间相互作用。磷芘在可见光区以高量子产率发光;重要的是,它们是 CD 活跃的。此外,磷原子独特的非平面特征允许控制分子的 3D 排列,呈现双纽状结构。基于我们的发现,我们设想了从更大的含磷 π 系统构建高阶手性 3D 架构的可能性。
Novel organic compounds for organic light-emitting diode and organic light-emitting diode including the same
申请人:SFC CO., LTD.
公开号:US20180009776A1
公开(公告)日:2018-01-11
The present invention relates to a compound for organic light-emitting diodes that can operate organic light-emitting diodes at a low driving voltage and an organic light-emitting diode comprising the same and, more particularly, to a compound for use as a fluorescent host in organic light-emitting diodes, which can bring about excellent diode properties by operating organic light-emitting diodes at a low driving voltage, and an organic light-emitting diode comprising the same.
NAPHTHALENE DERIVATIVE, MATERIAL FOR ORGANIC ELECTROLUMINESCENCE DEVICE, AND ORGANIC ELECTROLUMINESCENCE DEVICE USING THE SAME
申请人:Kawamura Masahiro
公开号:US20090008605A1
公开(公告)日:2009-01-08
A naphthalene derivative represented by the following formula (1) is provided. In the formula, Ar
1
to Ar
4
each represent an aromatic hydrocarbon cyclic group having 6 to 18 carbon atoms forming a ring. The aromatic hydrocarbon cyclic group has none of anthracene skeleton, pyrene skeleton, aceanthrylene skeleton and naphthacene skeleton. n, m and 1 each represent an integer in a range of 1 to 5. p represents an integer in a range of o to 5. When n, m, 1 and p each are 2 or more, a plurality of Ar
1
to Ar
4
may be mutually the same or different.