Electrochemical Deposition and Characterization of Doped Poly (3,4-Ethylene Dioxythiophene) for Potential Use as a Biosensor
Keywords:
poly (3,4-ethylene dioxythiophene), doping, cyclic voltammetry, electrochemical polymerization
Abstract
In this study, conducting polymer films of poly(3,4-ethylenedioxythiophene) (PEDOT) were electrodeposited onto a platinum electrode from an aqueous micellar medium. The electroactivity of the undoped and doped PEDOT films were compared. The electrodeposition was characterised by cyclic voltammetry and galvanostatic mode from LiClO4 solution containing appropriate monomer concentrations and sodium dodecyl sulphate (SDS) as a wetting agent. The resulting polymer films were characterised using cyclic voltammetry in neutral phosphate buffer solutions, SEM and IR spectroscopy.
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[4]. D.W. Breiby, L.B. Samuelsen, B. Groenendaal, B. Struth - Smectic structures in electrochemically prepared poly(3,4-ethylenedioxythiophene) films, J. Polym. Sci.:Part B: Polym. Phys. 41 (2003) 945-952.
[5]. B. Winther-Jensen, K. West - Stability of highly conductive poly-3,4-ethylene-dioxythiophene, React. Funct. Polym. 2006, 66, 479.
[6]. A. Kros, N.A.J.M. Sommerdijk, R.J.M. Nolte - Poly(pyrrole) versus poly(3,4-ethylenedioxythiophene): implications for biosensor applications, Sens. Actuators B 2005,106, 289.
[7]. S.C. Luo, Ali. E. Mohamed, N.C. Tansil, H.H. Yu, S. Gao, E.A. Kantchev, J.Y. Ying - Poly(3,4-ethylenedioxythiophene) (PEDOT) Nanobiointerfaces: Thin, Ultrasmooth, and Functionalized PEDOT Films with in Vitro and in Vivo Biocompatibility, Langmuir 2008, 24, 8071.
[8]. L. Li, D.C. Loveday, D.S.K. Mudigonda, J.P. Ferraris - Effect of Electrolytes on Performance of Electrochemical Capacitors Based on Poly[3-(3,4-difluorophenyl)thiophene], J. Electrochem. Soc. 2002, 149, A1201.
[9]. J. Tanguy, M. Slama, M. Hoclet, J.L. Baudouin - Impedance measurements on different conducting polymers, Synth. Met. 1989, 28, 145.
[10]. J. Roncali - Conjugated poly(thiophenes): synthesis, functionalization, and applications, Chem. Rev. 1992, 92, 711.
[11]. T. F. Otero and E. DeLaretta - Electrochemical control of the morphology, adherence, appearance and growth of polypyrrole films, Synth. Met. 1988, 26, 79.
[12]. X. Du, Z. Wang - Effects of polymerization potential on the properties of electrosynthesized PEDOT films, Electrochim. Acta 2003, 48, 1713.
[13]. B.E. Conway - Electrochemical Supercapacitors Scientific Fundamentals and Technological Applications, 1st ed., Macmillan, New York, 1999.
[14]. C. Peng, J. Jin and G. Z. Chen - A comparative study on electrochemical co-deposition and capacitance of composite films of conducting polymers and carbon nanotubes, Electrochim. Acta, 2007, 53, 525.
[15]. M. Hughes, G.Z. Chen, M.S.P. Shaffer, D.J. Fray and A.H. Windle - Comp.Sci&Techn. 2001, 64, 2325.
[16]. J.-I. Hong, I.-H. Yeo, W.-K. Paik - Conducting Polymer with Metal Oxide for Electrochemical Capacitor: Poly(3,4-ethylenedioxythiophene) RuOx Electrode, J. Electrochem. Soc. 2001, 148, A156.
[17]. G. Lu, C. Li, J. Shen, Z. Chen, G. Shi - Preparation of highly Conductive Gold−Poly(3,4-ethylenedioxythiophene) Nanocables and Their Conversion to Poly(3,4-ethylenedioxythiophene) Nanotubes, J. Phys. Chem. C 2007, 111, 5926.
[18]. O. Ingan - in: S.H. Nalwa (Ed.), Handbook of Conducting Polymers, vol. 2, Wiley, New York, 1997, p. 785.
Published
2011-09-15
How to Cite
1.
BRÂNZOI V, BRÂNZOI F, PRUNĂ A, DONISAN N. Electrochemical Deposition and Characterization of Doped Poly (3,4-Ethylene Dioxythiophene) for Potential Use as a Biosensor. The Annals of “Dunarea de Jos” University of Galati. Fascicle IX, Metallurgy and Materials Science [Internet]. 15Sep.2011 [cited 3May2024];34(3):47-2. Available from: https://www.gup.ugal.ro/ugaljournals/index.php/mms/article/view/2939
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