电致变色
咔唑
化学
对比度(视觉)
高对比度
光化学
有机化学
组合化学
电极
计算机科学
物理
物理化学
人工智能
光学
作者
Mengdie Li,Yinghui Zhang,Junjun Yin,Shuping Huang,Fulong Dai,Xiaoming Chen
标识
DOI:10.1016/j.dyepig.2024.112117
摘要
Electroactive asymmetric bis-carbazole small molecules bearing cyano functional group(s) were conveniently synthesized and fully characterized by physicochemical and electrochemical methods. These carbazole-based small molecules are colorless in the neutral states and possess reversible redox processes and outstanding thermal stability. The utilization of these bis-carbazole small molecules as the electrochromic materials for the fabrication of electrochromic devices (ECDs) provided high-performance ECDs of high optical contrast up to 99% switching between colorless bleaching state and dark-red colored state and excellent coloration efficiencies of 412 cm2/C. The present work illuminates the excellent qualification of functionalized carbazole-based small molecules in developing efficient ECDs.
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