| 摘要 |
PURPOSE: An organic electrochromic compound is provided to ensure excellent electrochromic response speed, color contrast and discoloration stability by facilitating electron transfer using organic materials in which electrons are abundant. CONSTITUTION: An organic electrochromic compound has a structure represented by chemical formula 3, 4 or 5. In chemical formulas, n is C2-4 alkyl group; and counterions A^- and B^- are one selected from halogen ion, ClO4^-, BF4^-, PF6^-, AsF6^-, SbF6^-, CHCOO^-, CH3(C6H4)SO3^-, CF3SO3^-, (CF3SO2)2N^-, (CF3CF2SO2)2N^-, (CF3SO2)3C^-, (CF3SO2)2N^-, and Li(CF3SO2)2N^-.
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