期刊
POLYMER JOURNAL
卷 54, 期 8, 页码 969-976出版社
SPRINGERNATURE
DOI: 10.1038/s41428-022-00640-0
关键词
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资金
- Japan Society for the Promotion of Science (JSPS) [20K05639]
- Japan Science and Technology Agency (JST) [JPMJSC2111]
- New Energy and Industrial Technology Development Organization (NEDO)
- Grants-in-Aid for Scientific Research [20K05639] Funding Source: KAKEN
This paper outlines recent progress in various solution-processed OLEDs, including fluorescent polymer tandem OLEDs, white phosphorescent tandem OLEDs, and perovskite NC LEDs. Tandem OLEDs, with their high efficiencies and long operational lifetimes, have attracted considerable attention for display applications. Additionally, the modification of perovskite NC surfaces enhanced their optoelectrical properties and LED performance.
This paper outlines recent progress in various solution-processed fluorescent polymer tandem organic light-emitting diodes (OLEDs), white phosphorescent tandem OLEDs, and perovskite nanocrystal (NC) LEDs. Tandem OLEDs, which comprise multiple light-emitting units stacked in series through a charge-generation layer, have attracted considerable attention for display applications owing to their high efficiencies and long operational lifetimes. In addition, a nine-layered tandem OLED structure is produced by using a solution process, wherein appropriate coating solvents are carefully selected for each layer. In recent years, metal halide perovskite NCs have also been considered promising light-emitting materials owing to their excellent optoelectrical properties. Herein, the perovskite NC surface was modified by reprecipitation and gel permeation chromatography purification processes, which resulted in enhanced optoelectrical and LED performance.
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