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Updated: Jun 12, 2025

Development of Efficient OLEDs from Solution Deposition

Development of Efficient OLEDs from Solution Deposition

Published on: November 4, 2022

可扩展和高性能红外电色装置,通过溶剂工程PEDOT/PSS片实现.

Wenchao Liu¹, Leipeng Zhang², Dongqi Liu²

¹School of Chemistry and Chemical Engineering, Harbin Institute of Technology, Harbin 150001, P. R. China.

ACS applied materials & interfaces

|June 10, 2025

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此摘要是机器生成的。

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我们开发了一种可扩展的方法,用于灵活的红外电色器件 (IR-ECDs),使用聚3,4-乙烯二氧化 (PEDOT) 和聚乙烯硫酸盐 (PSS). 这一过程提高了导电性,导致更快的切换和增强的热管理能力.

科学领域:

材料科学材料科学材料科学
纳米技术纳米技术
聚合物科学聚合物科学

背景情况:

基于聚3,4-乙烯二氧化 (PEDOT) 的红外电色装置 (IR-ECD) 对动态热管理具有前景.
目前的局限性包括响应缓慢,循环稳定性差,以及可扩展制造方面的挑战.

研究的目的:

为制造大面积,灵活的PEDOT/PSS IR-ECDs开发一个可扩展,解决方案处理的战略.
通过增强导电性和充电传输来提高基于PEDOT的IR-ECD的性能.

主要方法:

使用一阶段的溶剂后处理,从PEDOT/PSS薄膜中选择性地去除绝缘聚乙 (PSS).
使用这种解决方案处理策略,实现了大面积灵活的IR-ECDs的制造.
设备的性能通过电色切换,循环稳定性和中红外发射率调制测量来表征.

主要成果:

溶剂后处理显著提高了薄膜导电性,加速了电荷传输,并实现了强大的电色切换.
由此产生的设备表现出快速切换行为和出色的循环稳定性.
取得了0.23的显著的中红外发射率调制 (Δε_{8-14 um}).

结论:

关键词:

在PEDOT/PSS中使用.德鲁德模型德鲁德模型用溶剂处理处理的溶剂.热辐射调节法规热辐射调节法规变量的排放率变量.

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该研究提供了PEDOT/PSS红外电色机制的见解,主要是由离子兴奋剂/脱兴奋剂导致的导电性变化驱动的.
当导电率超过500S/cm时,长波红外反射率与德鲁德理论的预测保持一致.
这项工作为可扩展,具有成本效益,高性能热调制技术开辟了道路,用于适应性隐藏和智能热调节等应用.