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首页> 外文期刊>Optical engineering >Development and characterization of adjustable refractive index scattering epoxy acrylate polymer layers
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Development and characterization of adjustable refractive index scattering epoxy acrylate polymer layers

机译：可调折射率散射环氧丙烯酸酯聚合物层的研制与表征

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摘要

Several polymer films for improved optical properties in optoelectronic devices are presented. In such optical applications, it is sometimes important to have a film with an adjusted refractive index, scattering proper-ties, and a low surface roughness. These diffusing films can be used to increase the efficiency of optoelectronic components, such as organic light-emitting diodes. Three different epoxy acrylate mixtures containing Syntholux 291 EA, bisphenol A glycerolate dimethacrylate, and Sartomer SR 348 L are characterized and optimized with different additives. The adjustable refractive index of the material is achieved by chemical doping using 9-vinyl-carbazole. Titanium nanoparticles in the mixtures generate light scattering and increase the refractive index additionally. A high-power stirrer is used to mix and disperse all chemical substances together to a homogenous mixture. The viscosity behavior of the mixtures is an important property for the selection of the production method and, therefore, the viscosity measurement results are presented. After the mixing, the monomer mixture is applied on glass substrates by screen printing. To initiate polymerization, the produced films are irradiated for 10 min with ultraviolet radiation and heat. Transmission measurements of the polymer matrix and roughness measurements complement the characterization.
机译：提出了几种用于改善光电器件的光学性能的聚合物薄膜。在这种光学应用中，有时重要的是要有一个具有可调折射率，散射特性和低表面粗糙度的薄膜。这些漫射膜可用于提高光电组件（例如有机发光二极管）的效率。包含Syntholux 291 EA，双酚A甘油酸酯二甲基丙烯酸酯和Sartomer SR 348 L的三种不同的环氧丙烯酸酯混合物的特性得到了优化，并使用了不同的添加剂。该材料的可调折射率是通过使用9-乙烯基咔唑进行化学掺杂来实现的。混合物中的钛纳米粒子会产生光散射并额外增加折射率。使用大功率搅拌器将所有化学物质混合并分散在一起，形成均匀的混合物。混合物的粘度行为是选择生产方法的重要属性，因此，给出了粘度测量结果。混合后，通过丝网印刷将单体混合物施加到玻璃基板上。为了引发聚合反应，用紫外线和热将生产的薄膜辐照10分钟。聚合物基质的透射率测量值和粗糙度测量值补充了特性。

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  • 来源
    《Optical engineering》 |2017年第3期|037105.1-037105.5|共5页
  • 作者

    Thomas Eiselt; Jan Preinfalk; Uwe Gleissner; Uli Lemmer; Thomas Hanemann;

  • 作者单位

    Karlsruhe Institute of Technology, Institute for Applied Materials, Eggenstein-Leopoldshafen, Germany,Albert-Ludwigs-University, Department of Microsystems Engineering, Freiburg, Germany;

    Karlsruhe Institute of Technology, Light Technology Institute, Karlsruhe, Germany;

    Albert-Ludwigs-University, Department of Microsystems Engineering, Freiburg, Germany;

    Karlsruhe Institute of Technology, Light Technology Institute, Karlsruhe, Germany,Karlsruhe Institute of Technology, Institute of Microstructure Technology, Eggenstein-Leopoldshafen, Germany;

    Karlsruhe Institute of Technology, Institute for Applied Materials, Eggenstein-Leopoldshafen, Germany,Albert-Ludwigs-University, Department of Microsystems Engineering, Freiburg, Germany;

  • 收录信息 美国《科学引文索引》(SCI);美国《工程索引》(EI);
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    epoxy acrylate polymer; refractive index; viscosity; roughness; organic light-emitting diodes;

    机译：环氧丙烯酸酯聚合物;折射率粘度粗糙度有机发光二极管;

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