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有机半导体异质结电荷产生层及其在叠层有机发光二极管中的应用 被引量:2

Organic semiconductor heterojunction charge generation layer and its application in tandem organic light-emitting diodes
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摘要 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. Tandem organic light-emitting diodes(OLEDs) have attracted a great deal of attention from researchers because of their high luminance,efficiency and stability.This paper summarizes past advances in the study of tandem OLEDs.Then,we present a bilayer organic semiconductor heterojunction charge generation layer made of p-and n-type organic semiconductors.A low operational voltage,high power efficiency tandem OLED was fabricated using this charge generation layer as a connecting unit.We also analyze the physical mechanisms that guide the operation of the device,and discuss methods for reducing the voltage and enhancing the power efficiency.Our design concept provides a template for the fabrication of high performance tandem OLEDs.Finally,we discuss the future of tandem OLED technologies.
出处 《科学通报》 EI CAS CSCD 北大核心 2011年第24期1947-1955,共9页 Chinese Science Bulletin
基金 国家自然科学基金创新研究群体(20921061) 国家自然科学基金(50973104) 国家重点基础研究发展计划(2009CB623604)资助项目
关键词 有机半导体异质结 叠层有机发光二极管 电荷产生层 功率效率 organic semiconductor heterojunction tandem OLED charge generation layer power efficiency
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同被引文献23

  • 1袁桃利,张方辉,张微,黄晋.空穴传输层对有机电致发光器件性能的影响[J].发光学报,2013,34(11):1457-1461. 被引量:6
  • 2王丽,吴晓明,华玉林,肖志慧,张欣,辛利文,印寿根.插入电荷控制层对蓝色OLED发光性能的提高[J].发光学报,2014,35(1):84-89. 被引量:5
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