Recent progress in luminescent liquid crystal materials: design, properties and application for linearly polarised emission
Recent progress in luminescent liquid crystal materials: design, properties and application for linearly polarised emission
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发光液晶材料的最新进展：线偏振发射的设计、性能和应用
DOI：
10.1039/c5tc01565k
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发表时间：
2015-07
影响因子：
6.4
通讯作者：
Etienne Baranoff
中科院分区：
文献类型：
--
作者：
Junwei Shi;Jianhua Chen;Weiguo Zhu;Etienne Baranoff
发光液晶（LC）材料由于其有序排列和发光特性的结合，在有机光电应用中引起了人们的极大兴趣，特别是在线性极化发射方面。自1995年首次展示极化有机发光二极管（oled）以来，由于合适的LC材料设计的不断进步，极化电致发光取得了显着进展。本文以荧光材料、磷光材料和镧系配合物为例，综述了具有代表性的发光LC材料。介绍和讨论了这些材料的极化发射和电致发光的结构-性质关系，重点讨论了磷光金属源。我们还介绍了用于高效极化oled的发光LC材料的设计和开发背后的基本原理，以及实现高效器件的挑战。
Luminescent liquid crystal (LC) materials have attracted significant interest for organic optoelectronic applications, especially for linearly polarised emission, because of their combination of ordered alignment and luminescence property. Since the first demonstration of polarised organic light-emitting diodes (OLEDs) in 1995, remarkable progress has been made with polarised electroluminescence because of the continuous advances in the design of suitable LC materials. In this Review, we summarize luminescent LC materials with representative examples based on fluorescent materials, phosphorescent materials, and lanthanide complexes. The structure–property relationships for polarised emission and, when available, electroluminescence of these materials are presented and discussed, with a focus on phosphorescent metallomesogens. We also present the rationale behind the design and development of luminescent LC materials for high efficiency polarised OLEDs, along with the challenges ahead to achieve efficient devices.
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