2008
DOI: 10.1021/la7027093
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Electrochemical pH Oscillations of Ethyl Viologen/Ionic Liquid

Abstract: A reversible and robust electrochemical pH oscillator was achieved using an ethyl viologen/ionic liquid (IL) aqueous solution under an applied redox potential in a batch reactor, where the IL incorporated into the pH oscillator increased the stability of the pH oscillation by acting as an electron buffer solution.

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Cited by 3 publications
(2 citation statements)
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“…Shin et al claimed that an imidazolium based IL acts as an electron buffer that maintains low pH levels, thereby stabilising the reduced state. 32 Future work therefore will be to monitor the kinetics of the reversion of the viologen dye to its dicationic form in different ionogel compositions, with a view to optimising these parameters for the development of future electrochromic devices.…”
Section: Viologen Spectroelectrochemistry and Device Fabricationmentioning
confidence: 99%
“…Shin et al claimed that an imidazolium based IL acts as an electron buffer that maintains low pH levels, thereby stabilising the reduced state. 32 Future work therefore will be to monitor the kinetics of the reversion of the viologen dye to its dicationic form in different ionogel compositions, with a view to optimising these parameters for the development of future electrochromic devices.…”
Section: Viologen Spectroelectrochemistry and Device Fabricationmentioning
confidence: 99%
“…Since there are some obvious similarities between chemical oscillating systems and life processes that generally exhibit oscillatory behaviors, the investigation of the oscillating systems is of considerable interest. While a substantial number of chemical oscillators are known and have been widely used in analytical detection, [1][2][3][4][5][6][7][8][9][10][11][12][13][14] relatively few oscillating chemiluminescence (CL) reactions in the liquid phase have been described. [15][16][17][18][19][20] Recently, owing to the particular photochemical and photophysical properties of the tris(2,2′-bipyridine)ruthenium(II) [Ru(bpy) 3 2+ ] CL reagent, [21][22][23] the Ru(bpy) 3…”
Section: Introductionmentioning
confidence: 99%