Modular Synthesis of Polybenzo[b]silole Compounds for Hole-Blocking Material in Phosphorescent Organic Light Emitting Diodes
Modular Synthesis of Polybenzo[b]silole Compounds for Hole-Blocking Material in Phosphorescent Organic Light Emitting Diodes
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DOI：
10.1002/asia.201000112
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发表时间：
2010-01-01
影响因子：
4.1
通讯作者：
Nakamura, Eiichi
中科院分区：
文献类型：
--
作者：
Ilies, Laurean;Sato, Yoshiharu;Nakamura, Eiichi
一个多样性导向的合成策略，使我们能够设计一系列的共轭分子含有多个苯并噻咯单元，可以用作有效的空穴阻挡材料的磷光有机发光二极管（OLED）。这些化合物中的一些显示出超过当前标准浴铜灵的性能。这些新化合物很容易从以前报道的3-甲锡基苯并噻咯结构单元以模块化方式合成。对这些化合物在溶液和固体状态下的性质的研究表明，它们具有高电子亲和势，高电离电位，并形成稳定的非晶薄膜，显示出高的电子漂移迁移率。并研究了它们的分子性质与OLED器件性能之间的相关性。
A diversity-oriented synthetic strategy allowed us to design a series of conjugated molecules containing multiple benzosilole units that can be utilized as efficient hole-blocking materials for phosphorescent organic light emitting diodes (OLEDs). Some of these compounds showed a performance surpassing that of the current standard, bathocuproine. The new compounds were easily synthesized in a modular fashion from a previously reported 3-stannyl benzosilole building unit. Studies on the properties of these compounds in solution and in the solid state indicate that they possess high electron affinity, high ionization potential, and form stable amorphous films that show high electron-drift mobility. The correlation between their molecular properties and the efficiency of the OLED device performance is also investigated.