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绿色溶剂选择所有解决方案处理的反向量子点发光二极管

Hyo-Bin Kim¹, Jae-In Yoo², Sung-Cheon Kang²

¹Department of Display Convergence Engineering, Sungkyunkwan University, Suwon, 16419, Republic of Korea.

Small (Weinheim an der Bergstrasse, Germany)

|August 23, 2023

概括

研究人员开发了一种用于量子点发光二极管 (QD-LED) 的绿色溶剂选择方法. 这一过程通过识别最佳溶剂,如环坦 (CPO),用于孔运输层 (HTLs) 来提高设备性能和环境安全.

关键词:

CHEM21 溶剂选择指南汉森的空间空间.绿色溶剂是一种溶剂.量子点发光二极管是一种量子点发光二极管.溶剂的直角性是溶剂的直角性.

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科学领域:

材料科学材料科学材料科学
有机电子有机电子
绿色化学绿色化学

背景情况:

量子点发光二极管 (QD-LED) 在先进的显示技术方面表现有前途.
目前用于倒置QD-LED的制造方法通常使用危险的溶剂用于孔输送层 (HTL),造成环境和健康风险.
在HTL和量子点 (QD) 层之间混合是实现高性能倒置QD-LED的重要障碍.

研究的目的:

建立一个绿色溶剂选择程序,用于制造高性能和环保的QD-LED.
为了确定最佳的溶剂,防止层间混合,并保持反向QD-LED的光滑接口.
为了取代HTL处理中常用的危险溶剂.

主要方法:

利用汉森溶解度参数和表面粗度分析来选潜在的溶剂.
采用CHEM21溶剂选择指南来过出对环境有害的选择.
评估了16种候选溶剂,最终选择环丹 (CPO) 作为最佳的HTL溶剂.

主要成果:

优化的溶剂选择程序成功确定了环坦 (CPO) 作为一个合适的HTL溶剂.
使用CPO制造的设备显示,与使用二的设备相比,最大发光率增加了1.6倍.
与传统的危险溶剂相比,使用CPO观察到最大电流效率提高了约12.6倍.

结论:

溶剂选择是开发绿色和高性能倒置QD-LED的关键因素.
开发的程序有效地平衡了设备性能与环境安全.
这些发现特别适用于大规模显示器制造,包括使用n型氧化物薄膜晶体管的显示器.