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Fabrication of high-efficiency multilayered organic lightemitting diodes by a film transfer method

机译：通过膜转移法制备高效多层有机发光二极管

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摘要

In this paper, we report the fabrication of small-molecule-based thin-film layers with a thickness of several tens of nanometers on a release layer by bar coating and subsequent stacking onto other organic layers by the developed film transfer method using driving belts and rollers as a prototype roll-to-roll technique. We use novel thermally activated delayed fluorescence (TADF) materials in this process, achieving multilayered organic light-emitting diodes (OLEDs) with high external quantum efficiency (EQE), which is comparable to those of OLEDs prepared by conventional vacuum deposition. The developed film transfer method shows great potential to realize OLEDs with high efficiency at low cost.
机译：在本文中，我们报道了通过剥离涂布法在脱模层上制造几十纳米厚的小分子基薄膜层的方法，随后通过使用驱动带和薄膜的已开发的薄膜转移方法将其堆叠到其他有机层上辊子作为卷对卷技术的原型。在此过程中，我们使用了新型的热激活延迟荧光（TADF）材料，从而获得了具有高外部量子效率（EQE）的多层有机发光二极管（OLED），与通过常规真空沉积法制备的OLED相当。所开发的膜转移方法显示出以低成本实现高效率的OLED的巨大潜力。

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  • 来源
    《Organic Electronics》 |2014年第7期|1695-1701|共7页
  • 作者

    Kenji Kawano; Kaori Nagayoshi; Takeyuki Yamaki; Chihaya Adachi;

  • 作者单位

    Center for Organic Photonics and Electronics Research (OPERA), Kyushu University, 744 Motooka, Nishi, Fukuoka 819-0395, Japan,Panasonic Corporation, 1006 Kadoma, Kadoma, Osaka 571-8501, Japan;

    Center for Organic Photonics and Electronics Research (OPERA), Kyushu University, 744 Motooka, Nishi, Fukuoka 819-0395, Japan,Fukuoka i-Cube Center for Organic Photonics and Electronics Research (i~3-OPERA), Fukuoka Industry, Science and Technology Foundation, 5-14 Kyudaishinmachi, Nishi, Fukuoka 819-0388, Japan;

    Panasonic Corporation, 1006 Kadoma, Kadoma, Osaka 571-8501, Japan;

    Center for Organic Photonics and Electronics Research (OPERA), Kyushu University, 744 Motooka, Nishi, Fukuoka 819-0395, Japan,Fukuoka i-Cube Center for Organic Photonics and Electronics Research (i~3-OPERA), Fukuoka Industry, Science and Technology Foundation, 5-14 Kyudaishinmachi, Nishi, Fukuoka 819-0388, Japan,International Institute for Carbon Neutral Energy Research (WPI-I2CNER), Kyushu University, 744 Motooka, Nishi, Fukuoka 819-0395, Japan;

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  • 正文语种 eng
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  • 关键词

    Film transfer; Organic light-emitting diode; Low-cost processing; Thermally activated delayed fluorescence;

    机译：电影转移;有机发光二极管;低成本加工;热活化延迟荧光;

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