光芳香聚乙烯硫:可加工,可扩展,高效和稳定的聚合物发射器及其单层聚合物发光二极管
Konstantinos C Andrikopoulos1, Despoina Tselekidou2, Charalampos Anastasopoulos1
1Department of Chemistry, University of Patras, University Campus, 26504 Rio-Patras, Greece.
Nanomaterials (Basel, Switzerland)
|August 9, 2024
概括
新的半导体聚乙硫被合成为聚合物发光二极管 (PLED). 这些材料提供可调色的颜色,优良的溶解性和热稳定性,使可打印和灵活的有机发光二极管 (OLED) 设备成为可能.
科学领域:
- 材料科学 材料科学 材料科学
- 聚合物化学 聚合物化学
- 有机电子 有机电子
背景情况:
- 新型半导体聚合物的开发对于先进的电子应用至关重要.
- 聚硫为功能性材料提供了一个有前途的支柱.
- 调整聚合物的光学特性是发光二极管 (LED) 应用的关键.
研究的目的:
- 用可调节的π合半导体单元合成全芳香聚乙烯硫.
- 研究这些新型聚合物的结构,光学和电子特性.
- 为了证明它们在有机发光二极管 (OLED) 设备中的应用.
主要方法:
- 基于碳醇,炭烯和二醇的光体与二硫和二胺部分的共聚化.
- 分子重量,热稳定性,可溶性和光电子性质的表征.
- 聚合物发光二极管 (PLED) 设备的制造和测试,使用发光层 (EML) 中的合成聚合物.
主要成果:
- 开发了具有出色溶解性和热稳定的高分子量 (高达70kDa) 光聚乙烯.
- 可调节的发射颜色从蓝色到黄色和白光通过改变共纳体类型和比率来实现.
- 选择的共聚合物在刚性和灵活基板上的OLED设备中成功应用,显示出高达15V偏差电压的显著色彩稳定性.
- 实现了高分子量聚合物的可扩展合成,高达25g.
结论:
- 建立了用于PLEDs合成半导体聚乙硫的多功能方法.
- 开发的聚合物适用于用于大面积PLED应用的可打印和灵活的发射层 (EML).
- 该方法为生产具有定制性质的发光聚合物提供了一个简单的工具.
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