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Preparation and Characterization of Glassy Carbon Monolithic Electrode for Electrochemical Analysis | ||
| Journal of Kufa - physics | ||
| Article 1, Volume 6, Issue 2, 2014, Pages 38-44 | ||
| Author | ||
| Hassan Hadi Ali Al-Alak | ||
| Abstract | ||
| act Carbon monoliths have the advantage of being conductive materials and were therefore also investigated as electrode materials for electrochemical analysis. A glassy carbon monolithic electrodes (GCME) has been successfully prepared using an adapted method of Liang et al. [1]. The sample has a high specific surface area and a large pore volume. Electrochemical analysis indicated that it has fine electrochemical double-layer performance. Electrochemical measurements obtained on the anodised glassy carbon monolithic electrodes (GCME) showed a more reproducible surface relative to the polished GCME. The electrode was investigated using cyclic voltammetry following electrochemically induced oxidation to impart hydrophilicity. The surface oxidation was studied to generate oxygen-containing surface functional groups. The electrochemical oxidation of GCME was carried using 2M NaOH and 1 M H2SO4, respectively. Cyclic voltammetry was investigated using a solution containing K3Fe(CN)6 and KCl between -0.2 and +1.1 V. The scan rate used for the above characterisations was 20 – 100 mV/s. | ||
| Keywords | ||
| Carbon monoliths; electrode materials; electrochemical analysis | ||
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