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  18 lectrochemical Behavior of SWCNT-TPLE Electrode compared to SWCNT-coated GCE and GE Electrodes.
ۼ  WizMAC ۼ  2015-07-20
÷    ȸ  1532
 

18  lectrochemical Behavior of SWCNT-TPLE Electrode compared to SWCNT-coated GCE and GE Electrodes.

M. Muzibur Rahman and Il C. Jeon.  CROATICA CHEMICA ACTA CCACAA 80 (1) 67-74 (2007)

 


 

Figure 1. (a) Cyclic voltammetry obtained with SWCNT-coated and bare gold electrodes in 5 10–3 mol dm–3 KCl electrolyte solution containing 4 10–3 mol dm–3 K4Fe(CN)6 at a scan rate of 0.1 V s–1. (b) CV obtained with SWCNT-coated gold electrode in the same electrolyte solution at different scan rates (a, 0.025; b, 0.050; c, 0.1; d, 0.2; e, 0.3, f, 0.4 V s–1). The peak current vs. the square root of the scan rates plot is drawn in the inset. (c) Comparison of SWCNT-film electrode with the bare and SWCNTcoated gold electrode. Measuring conditions: the same as in (a)

 


 

Figure 2. (a) Bare and SWCNT-coated GC electrode at a 0.1 V s–1 scan rate for 4 10–3 mol dm–3 K4Fe(CN)6 and 50 10–3 mol dm–3 KCl electrolyte. (b) SWCNT-coated GCE used as a working electrode

at various scan rates (a, 0.025; b, 0.050; c, 0.1; d, 0.2; e, 0.3; f, 0.4 V s–1). Inset figure is drawn for the peak current vs. square root of scan rates. (c) Comparative CVs of the bare, SWCNTcoated GCE and SWCNT-film electrodes.

 

 

 

Figure 3. (a) The thin film of SWCNT used as a working electrode (5 cycles) at a 0.1 V s–1 scan rate. (Reaction conditions, 4 10–3 mol dm–3 K4Fe(CN)6 and 50 10–3 mol dm–3 KCl electrolyte). (b) The thin paper like film of SWCNT used as a working electrode at different scan rates (a, 0.025; b, 0.05; c, 0.1; d, 0.2; e, 0.3; f, 4; g, 0.5 V s–1). (c) Plot of peak currents (cathodic, Ic and anodic Ia) vs. the square root of scan rates. The same reaction

conditions as in (a).

 
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