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Stable White Light-Emitting Biocomposite Films

机译：稳定的白色发光生物复合膜

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摘要

The demonstration of reliable and stable white light-emitting diodes (LEDs) is one of the main technological challenges of the LED industry. This is usually accomplished by incorporation of light-emitting rare-earth elements (REEs) compounds within an external polymeric coating of a blue LED allowing the generation of white light. However, due to both environmental and cost issues, the development of low-cost REE-free coatings, which exhibit competitive performance compared to conventional white LED is of great importance. In this work, the formation of an REE-free white LED coating is demonstrated. This biocomposite material, composed of biological (crystalline nanocellulose and porcine gastric mucin) and organic (light-emitting dyes) compounds, exhibits excellent optical and mechanical properties as well as resistance to heat, humidity, and UV radiation. The coating is further used to demonstrate a working white LED by incorporating it within a commercial blue LED.
机译：可靠稳定的白色发光二极管（LED）的演示是LED行业的主要技术挑战之一。通常，这是通过在蓝色LED的外部聚合物涂层中掺入发光稀土元素（REEs）化合物来实现的，从而产生白光。但是，由于环境和成本问题，开发与常规白光LED相比具有竞争力的低成本无REE涂料非常重要。在这项工作中，演示了无REE白色LED涂层的形成。这种由生物（晶体纳米纤维素和猪胃粘蛋白）和有机（发光染料）化合物组成的生物复合材料，具有出色的光学和机械性能，以及对热，湿气和紫外线的抵抗力。通过将该涂层结合到商业蓝色LED中，该涂层还可用于演示工作的白色LED。

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  • 来源
    《Advanced Functional Materials》 |2018年第24期|1706967.1-1706967.9|共9页
  • 作者

    Gotta Julia; Ben Shalom Tal; Aslanoglou Stella; Cifuentes-Rius Anna; Voelcker Nicolas H.; Elnathan Roey; Shoseyov Oded; Richter Shachar;

  • 作者单位

    Tel Aviv Univ, Fac Engn, Dept Mat Sci & Engn, IL-6997801 Tel Aviv, Israel;

    Hebrew Univ Jerusalem, Robert H Smith Fac Agr Food & Environm, IL-76100 Rehovot, Israel;

    Monash Univ, Fac Pharm & Pharmaceut Sci, Drug Delivery Disposit & Dynam, 381 Royal Parade, Parkville, Vic 3052, Australia;

    Monash Univ, Fac Pharm & Pharmaceut Sci, Drug Delivery Disposit & Dynam, 381 Royal Parade, Parkville, Vic 3052, Australia;

    Monash Univ, Fac Pharm & Pharmaceut Sci, Drug Delivery Disposit & Dynam, 381 Royal Parade, Parkville, Vic 3052, Australia;

    Monash Univ, Fac Pharm & Pharmaceut Sci, Drug Delivery Disposit & Dynam, 381 Royal Parade, Parkville, Vic 3052, Australia;

    Hebrew Univ Jerusalem, Robert H Smith Fac Agr Food & Environm, IL-76100 Rehovot, Israel;

    Tel Aviv Univ, Fac Engn, Dept Mat Sci & Engn, IL-6997801 Tel Aviv, Israel;

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  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    bio-LEDs; crystalline nanocellulose; mucin; phosphor materials; white LEDs;

    机译：生物LED;晶体纳米纤维素;粘蛋白;磷光材料;白光LED;

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