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首页> 外文期刊>Thin Solid Films >Poly(3,4-ethylenedioxythiophene):poly(4-styrenesulfonate) ratio: Structural, physical and hole injection properties in organic light emitting diodes
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Poly(3,4-ethylenedioxythiophene):poly(4-styrenesulfonate) ratio: Structural, physical and hole injection properties in organic light emitting diodes

机译：聚（3,4-乙撑二氧噻吩）：聚（4-苯乙烯磺酸盐）比率：有机发光二极管中的结构，物理和空穴注入性质

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摘要

We report on the employ of several kinds of poly(3,4-ethylenedioxythiophene):poly(4-styrenesulfonate) (PEDOT:PSS) dispersions as a hole injection layer to increase the stability and the charge injection in organic light emitting diodes (OLEDs). The PEDOT:PSS dispersions have been characterized in solution and thin film by means of dynamic viscosity, Dynamic Light Scattering, profilometer, contact angle measurement, UV-Vis-NIR transmittance and current-voltage characteristics. Then, the dispersions have been employed to manufacture OLEDs with structure: indium tin oxide (ITO)-PEDOT:PSS-poly(9,9-dihexyl-9H-fluorene-2,7-diyl-Tris (8-hydroxy)quinoline aluminium-Al. Device electrical and optical properties have been extensively investigated and discussed in function of PEDOT:PSS ratio. We have found that the hole barrier at the ITO-PEDOT:PSS interface plays a key role in electrical transport and in setting the external quantum efficiency.
机译：我们报告了几种聚（3,4-乙撑二氧噻吩）：聚（4-苯乙烯磺酸盐）（PEDOT：PSS）分散体作为空穴注入层的使用，以提高稳定性和有机发光二极管（OLED）中的电荷注入）。 PEDOT：PSS分散体已经通过动态粘度，动态光散射，轮廓仪，接触角测量，UV-Vis-NIR透射率和电流-电压特性在溶液和薄膜中进行了表征。然后，将分散体用于制造具有以下结构的OLED：铟锡氧化物（ITO）-PEDOT：PSS-聚（9,9-二己基-9H-芴-2,7-二基-三（8-羟基）喹啉铝-Al。器件的电学和光学性能已根据PEDOT：PSS比的功能进行了广泛的研究和讨论，我们发现ITO-PEDOT：PSS界面处的空穴势垒在电传输和设置外部量子方面起着关键作用效率。

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  • 来源
    《Thin Solid Films》 |2008年第12期|4232-4237|共6页
  • 作者

    Paolo Vacca; Mario Petrosino; Riccardo Miscioscia; Giuseppe Nenna; Carla Minarini; Dario Delia Sala; Alfredo Rubino;

  • 作者单位

    Enea C.R. Portici, v. Vecchio Macello, 80055 Portici (NA), Italy;

    Dip. Ing. dell'Informazione ed Ing. Elettrica, Universita di Salerno, v. Ponte Don Melillo 1, 84084 Fisciano (SA), Italy;

    Enea C.R. Portici, v. Vecchio Macello, 80055 Portici (NA), Italy;

    Enea C.R. Portici, v. Vecchio Macello, 80055 Portici (NA), Italy;

    Enea C.R. Portici, v. Vecchio Macello, 80055 Portici (NA), Italy;

    Enea C.R. Portici, v. Vecchio Macello, 80055 Portici (NA), Italy;

    Dip. Ing. dell'Informazione ed Ing. Elettrica, Universita di Salerno, v. Ponte Don Melillo 1, 84084 Fisciano (SA), Italy;

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  • 原文格式 PDF
  • 正文语种 eng
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  • 关键词

    PEDOT:PSS; work function; OLEDs; electrical transport;

    机译：PEDOT：PSS;工作职能OLED;电力运输;

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