Electrochemical study of methylalkylviologens using an electrochemical quartz crystal microbalance |
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| Authors: | Chongmok Lee Youn Kyung Lee Youngmi Lee Il Cheol Jeon |
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| Institution: | 1. Department of Chemistry, Ewha Womans University, Seoul 120-750, South Korea;2. Department of Chemistry, Jeounbuk National University, Jeonbuk 561-756, South Korea |
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| Abstract: | The electrochemical behavior of various 1-methyl-1′-alkylviologens (C1CnV2+: n=1, 7, 8, 9, 10, 12, 14, 16 and 18) was studied using an electrochemical quartz crystal microbalance (EQCM). Three different types of the frequency change-potential (Δf–E) curves were observed depending on the length of alkyl substituent during the cyclic voltammetry (CV) of the first redox step: for n=1 and 7, Δf was less than 30 Hz (reversible); for n=9, 10, 12 and 14, Δf=200 Hz indicating electrodeposition of C1CnV | |
| Keywords: | Electrochemical quartz microbalance Methylalkylviologens Cyclodextrin Spectroelectrochemistry |
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