Ganesan, V. ; Ramaraj, R. (2001) Electrocatalytic oxidation of hydrogen peroxide by poly(NiIIteta) modified electrodes§ Journal of Applied Electrochemistry, 31 (5). pp. 585-590. ISSN 0021-891X
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Official URL: http://www.springerlink.com/content/k68x5277064644...
Related URL: http://dx.doi.org/10.1023/A:1017574817660
Abstract
[NiII(teta)]2+ (teta=C-meso-(5,5,7,12,12,14-hexamethyl-1,4,8,11-tetraazacyclotetradecane) was electropolymerized on glassy carbon (GC) and Nafion® coated GC electrodes (GC/Nf). These poly(NiIIteta) modified electrodes showed 70 mV shift per pH unit and electrocatalysed the oxidation of H2O2. The thickness of the Nafion® film was found to influence the rate of the electrocatalytic reaction. A rate constant of 1.77 × 103 dm3 mol-1 s-1 was observed at 1.0 × 10-5 cm thick Nafion® film, whereas a rate constant of 0.08 × 103 dm3 mol-1 s-1 was observed at 3.6 × 10-5 cm thick film. At a plain GC electrode, a rate constant of 1.29 × 103 dm3 mol-1 s-1 was observed. The poly(NiIIteta) is stabilized in the Nafion® film when compared to the poly(NiIIteta) coated on plain electrode.
| Item Type: | Article |
|---|---|
| Source: | Copyright of this article belongs to Springer. |
| Keywords: | Electrocatalytic Oxidation; Modified Electrode; Nafion®; Poly(NiIIteta) |
| ID Code: | 39729 |
| Deposited On: | 16 May 2011 04:32 |
| Last Modified: | 18 May 2011 06:54 |
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