三苯胺
材料科学
电致变色
荧光
共价有机骨架
共价键
单体
电极
纳米技术
光化学
有机化学
聚合物
光电子学
光学
物理化学
复合材料
多孔性
物理
化学
作者
Rui-Zhi Li,Qing Hao,Xiao‐Rui Ren,Chuang Wen,Lu Wang,Zhen-Lian Zhao,Jiang‐Yang Shao,Yu‐Wu Zhong,Dong Wang,Li‐Jun Wan
标识
DOI:10.1021/acsami.4c11008
摘要
Covalent organic framework (COF) film with electrofluorochromic (EFC) and electrochromic (EC) properties has been synthesized by using triphenylamine-based monomers. The film exhibited a high maximum fluorescence contrast of 151 when subjected to a drive voltage of 0.75 V vs the Ag/AgCl electrode, causing the fluorescence to be quenched, which resulted in the EFC process's "fluorescence off" state. The switching times for the fluorescence on and off states were 0.51 and 7.79 s, respectively. Over the same voltage range, the COF film also displayed EC properties, achieving a contrast of 50.23% and a coloration efficiency of 297.4 cm
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