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Ink Jet Technology for Large Area Organic Light-Emitting Diode and Organic Photovoltaic Applications

机译：适用于大面积有机发光二极管和有机光伏应用的喷墨技术

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摘要

Due to its flexibility and ease of patterning, ink jet printing has become a popular technique for the noncontact deposition of liquids, solutions, and melts on a variety of substrates at lateral resolutions down to 10 urn. This article presents a study of ink jet printing of homogeneous layers of Orgacon™ (Agfa-Gevaert, Belgium), a water-based dispersion of poly(3,4-ethylenedioxythiophene):poly (styrenesulfonic acid) (PEDOT.PSS). The printed PEDOT.PSS layer can be used as a transparent electrode in organic light-emitting diodes (OLEDs). Fundamental aspects of the interaction between the inkjet ink and the substrate and the resulting homogeneity of the active layer in relation to OLED device performance are investigated. The optimized PEDOT.PSS ink formulation is shown to improve layer homogeneity, resulting in a uniform light output and device efficiency. Ink jet printing is shown to be capable of fabricating 25 x 25 mm OLED devices that have equivalent efficiency and light uniformity to the ones produced by spin coating.
机译：由于它的灵活性和易于图案化的特点，喷墨印刷已成为一种流行的技术，可将液体，溶液和熔体以最小10微米的横向分辨率非接触地沉积在各种基材上。本文介绍了Orgacon™（比利时Agfa-Gevaert）均匀层的喷墨印刷的研究，Orgacon™是聚（3,4-乙撑二氧噻吩）：聚（苯乙烯磺酸）（PEDOT.PSS）的水性分散体。印刷的PEDOT.PSS层可用作有机发光二极管（OLED）中的透明电极。研究了喷墨油墨与基材之间相互作用的基本方面，以及与OLED器件性能相关的有源层均匀性。优化的PEDOT.PSS油墨配方可改善涂层均匀性，从而实现均匀的光输出和设备效率。喷墨印刷显示出能够制造25 x 25 mm OLED器件的效率和光均匀性与旋涂所产生的OLED器件相当。

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  • 来源
    《Journal of Imaging Science and Technology》 |2011年第4期|p.040301.1-040301.6|共6页
  • 作者

    Maosheng Ren; Harrie Gorter; Jasper Michels; Ronn Andriessen;

  • 作者单位

    Hoist Centre/TNO, High Tech Campus 31, P.O. Box 8550, 5605 KN Eindhoven, The Netherlands;

    Hoist Centre/TNO, High Tech Campus 31, P.O. Box 8550, 5605 KN Eindhoven, The Netherlands;

    Hoist Centre/TNO, High Tech Campus 31, P.O. Box 8550, 5605 KN Eindhoven, The Netherlands;

    Hoist Centre/TNO, High Tech Campus 31, P.O. Box 8550, 5605 KN Eindhoven, The Netherlands;

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