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北京信息科技大学 仪器科学与光电工程学院, 北京 100192
[ "苏美琪(1992-),女,河北沧州人,硕士研究生,2018年于唐山学院获得学士学位,主要从事有机光电器件的研究。E-mail: sumeiqi@bistu.edu.cn" ]
[ "张丹丹(1983-),女,山东菏泽人,博士,教授,2011年于吉林大学获得博士学位,主要从事有机光电器件的研究。 E-mail: zhangdandan163@126.com" ]
纸质出版日期:2023-08-05,
收稿日期:2023-02-08,
修回日期:2023-02-24,
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苏美琪,张丹丹.基于金属氧化物功能层的QLED性能优化和研究进展[J].发光学报,2023,44(08):1439-1450.
SU Meiqi,ZHANG Dandan.Optimization and Research Progress of QLED Performance Based on Metal Oxide Functional Layer[J].Chinese Journal of Luminescence,2023,44(08):1439-1450.
苏美琪,张丹丹.基于金属氧化物功能层的QLED性能优化和研究进展[J].发光学报,2023,44(08):1439-1450. DOI: 10.37188/CJL.20230016.
SU Meiqi,ZHANG Dandan.Optimization and Research Progress of QLED Performance Based on Metal Oxide Functional Layer[J].Chinese Journal of Luminescence,2023,44(08):1439-1450. DOI: 10.37188/CJL.20230016.
由于金属氧化物具有较好的热稳定性以及对水/氧的敏感性较低,因此被作为最重要的电荷传输材料应用于量子点发光二极管(QLED)器件中。然而,不同金属氧化物的电荷传输能力不同,并且在不同的器件结构中界面能级匹配问题等因素会使得电荷失衡,甚至引发激子猝灭。因此在保证材料稳定性的同时,要得到良好的器件性能就要对其进行界面修饰和优化。本文以金属氧化物作为电荷传输层、电荷注入层以及电荷阻挡层分别进行阐述,通过混入其他材料以及构建合理的器件结构等方面综述了近些年金属氧化物在QLED应用中的发展历程。
Because metal oxides have good thermal stability and low sensitivity to water/oxygen, they are used as the most important charge transfer materials in quantum dot light emitting diodes (QLED) devices. However, the charge transfer ability of different metal oxides is different, and the interface energy level matching problem in different device structures will cause the charge imbalance and even lead to exciton quenching. Therefore, in order to obtain good device performance, it is necessary to modify and optimize the interface while ensuring the stability of the material. In this paper, metal oxides as charge transport layer, charge injection layer and charge blocking layer are described respectively, and the development of metal oxides in QLED applications in recent years is summarized by mixing other materials and constructing reasonable device structures.
金属氧化物电荷传输层电荷注入层电荷阻挡层复合界面功能层
metallic oxidecharge transfer layercharge injection layercharge barrier layercomposite interface function layer
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