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Electrochemical Synthesis and Characterization of Poly(thionine)-deep Eutectic Solvent/carbon Nanotube–modified Electrodes and Application to Electrochemical Sensing by Berna Dalkıran; Isabel P. G. Fernandes; Melinda David; Christopher M. A. Brett is a Chemistry article available to read on EtoBox.
What is Electrochemical Synthesis and Characterization of Poly(thionine)-deep Eutectic Solvent/carbon Nanotube–modified Electrodes and Application to Electrochemical Sensing about?
Electropolymerization of thionine (TH) on multiwalled carbon nanotube (MWCNT)-modified glassy carbon electrodes (GCE) in ethaline deep eutectic solvent (DES) was carried out for the first time, to prepare poly(thionine) (PTH) films with different nanostructured morphologies. PTH films were formed on MWCNT/GCE by potential cycling electropolymerization in ethaline with the addition of different acid dopants CH 3 COOH, HClO 4 , HNO 3 , H 2 SO 4 and HCl, acetic acid being the best. The electropolymerization process was monitored with an electrochemical quartz crystal microbalance. The polymerization scan rate was a key factor affecting the electrochemical and morphological properties of the PTH Ethaline -CH 3 COOH/MWCNT/ GCE; electrodeposition at 200 mV s -1 showing the best performance. The PTH/MWCNT/GCE platform was characterized using cyclic and differential pulse voltammetry, electrochemical impedance spectroscopy and scanning electron microscopy. The analytical characteristics of the PTH films were evaluated for sensing of ascorbic acid and biosensing of uric acid. The developed sensor exhibited a low detection limit (1.1 μM), wide linear range (2.8-3010 μM) and high sensitivity
Who reads Electrochemical Synthesis and Characterization of Poly(thionine)-deep Eutectic Solvent/carbon Nanotube–modified Electrodes and Application to Electrochemical Sensing?
It is typically read by researchers, students, and practitioners in Chemistry.
- Author
- Berna Dalkıran; Isabel P. G. Fernandes; Melinda David; Christopher M. A. Brett
- Publisher
- Springer Science and Business Media LLC
- Published
- 2020
- Language
- EN
- Field
- Chemistry (Physical Sciences)
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