Electrochromic behavior of mono and dibenzyl substituted viologens in deep eutectic solvents
The electrochromic properties of monobenzyl-viologen (MBV) and dibenzyl-viologen (DBV) in chloride-ethylene glycol deep eutectic solvents (DES) are studied by cyclic voltammetry and in situ UV-vis spectroscopy. The results show that redox reactions of both viologens between bleached and colored stat...
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| Autores principales: | , , , |
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| Formato: | article |
| Lenguaje: | EN ZH |
| Publicado: |
Academic Journals Center of Shanghai Normal University
2021
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| Materias: | |
| Acceso en línea: | https://doaj.org/article/e4e0fc3b416348668bb326b7e8f0db8e |
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| Sumario: | The electrochromic properties of monobenzyl-viologen (MBV) and dibenzyl-viologen (DBV) in chloride-ethylene glycol deep eutectic solvents (DES) are studied by cyclic voltammetry and in situ UV-vis spectroscopy. The results show that redox reactions of both viologens between bleached and colored state are reversible. The DBV showed a blue colored state and the MBV showed a magenta colored state, respectively. According to the CIE colorimetric data, with a solution containing the mixture of DBV and MBV in a molar ratio of 1:2, multi-colored states from colorless→blue→red-violet under various voltages were observed. |
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