使用素染料作为活性成分的发光电化学电池
Antonio Pertegás1, Daniel Tordera, Juan J Serrano-Pérez
1Instituto de Ciencia Molecular, Universidad de Valencia , ES-46980 Paterna, Valencia, Spain.
Journal of the American Chemical Society
|November 20, 2013
概括
新的发光电化学电池 (LEC) 使用色素染料,可稳定近红外辐射. 这些设备实现了高光发光量子产量,证明了高效发光应用的潜力.
科学领域:
- 材料科学 材料科学 材料科学
- 有机电子 有机电子
- 光物理学的光学物理学
背景情况:
- 发光电化学电池 (LEC) 为有机光电子设备提供了一个有前途的平台.
- 氨酸染料以其强烈的光学吸收和发射特性而闻名.
- 在近红外 (NIR) 辐射LEC中实现高效率和稳定仍然是一个关键的挑战.
研究的目的:
- 开发基于的新型主机-客户系统,以增强光辐射.
- 制造和表征稳定的近红外发射发光电化学电池 (LECs).
- 研究开发的氨酸染料系统的光物理特性和设备性能.
主要方法:
- 制备两种特定的氨酸染料的宿主-客人薄膜.
- 使用这些薄膜制造三明治型发光电化学电池 (LEC).
- 光发光量子产量 (PLQY) 和电发光性质的表征.
- 测量NIR发射的辐射流和外部量子效率 (EQE).
主要成果:
- 主持人-客人的电影表现出高光发光量子产量,达到高达27%.
- 制造的LEC显示出稳定的近红外辐射.
- 达到的最大辐射流量为1.7 W m-2.2.
- 对NIR发射的外部量子效率达到了0.44%.
结论:
- 基于的宿主-客户系统在发光应用中有效实现高PLQY.
- 开发的LEC显示出稳定高效近红外辐射的潜力.
- 进一步优化胺染料和设备架构可能会导致有机光电子的性能提高.
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