论文部分内容阅读
叠层有机发光二极管因其具有更高的亮度、效率以及稳定性,其研究备受关注.本文综述了叠层有机发光二极管的最新进展;总结了作者研究小组基于有机半导体异质结的概念,设计了由一种p型有机半导体和一种n型有机半导体层层组成的双层有机半导体异质结电荷产生层,并用它们作为连接单元制备了叠层有机发光二极管,器件的电压得到了降低,功率效率得到了提高.通过对电荷产生层的工作机制的深入剖析,揭示了降低电压、提高功率效率的内在物理原因,为进一步设计高性能有机电致发光器件提供了新的思路;最后对叠层有机发光二极管的未来发展方向进行了展望.
Due to its higher luminosity, efficiency and stability, laminated organic light-emitting diodes (OLEDs) have attracted much attention recently.This paper reviews the latest advances in OLEDs, and summarizes the author’s research group’s concept of organic semiconductor heterojunction, A two-layered organic semiconductor heterojunction charge generation layer composed of a p-type organic semiconductor and an n-type organic semiconductor layer was designed and laminated organic light-emitting diodes were fabricated using them as the connection unit, and the voltage of the device was reduced , The power efficiency has been improved.Through in-depth analysis of the working mechanism of the charge generation layer, reveals the inherent physical reasons to reduce the voltage and improve power efficiency, and provides a new idea for the further design of high performance organic electroluminescent devices; Finally, The future development of laminated organic light-emitting diodes is also discussed.