Abstract
A typical salt-free zero-charged catanionic system was constructed by mixing C 14 H 29 N + ( CH 3 ) 3 OH - (TTAOH) and lauric acid (LA). The electrochemical behaviors of K 4[Fe(CN) 6] in salt-free TTAOH/LA micelle phase and vesicle phase solutions at glassy carbon (GC) electrode at different scan rate were obtained. A pair of well-defined redox peaks of [ Fe ( CN ) 6 ] 3 - / 4 - is observed in TTAOH/LA vesicular solution with Δ E p = 61 mV at the scan rate of 0.001 V/s. Compared to the electrochemistry of K 4[Fe(CN) 6] in aqueous solution and TTAOH/LA micellar aqueous solution, the reversibility of [ Fe ( CN ) 6 ] 3 - / 4 - is significantly improved in TTAOH/LA vesicular aqueous solution.
Published Version
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