Electrochem ical Properties of Poly(3,4-ethylenedioxythiophene) Films in the Presence of Surfactants

• Autorzy: Ocypa M. , Michalska A. , Maksymiuk K.
• Języki publikacji: EN

Abstrakty

EN

Electrochemical properties of anion- and cation-exchanging conducting polymer: poly(3,4-ethylenedioxythiophene) films, doped by nitrate (PEDOT(NO3) or poly(4-styrenesulfonate) ions (PEDOT(PSS)), were stud ied in NaCl so lu tions con tain ing surfactants: an ionic (sodium dodecylbenzenesulfonate, NaDBS), cationic (hexa decyl - trimethylammonium chlo ride, RNCl) and non-ionic (Triton X 100). Voltammetric experiments revealed significant influence of surfactant only for PEDOT(NO3) in the presence of NaDBS, resulting from inter actions between anion-exchanging polymer and anionic surfactant. Impedance spectroscopy studies exhibited inhib iting influence of surfactant ions reversibly retained on the polymer/solution inter face on the rate of interfacial ion transfer, with no significant decrease of charge storing capability (redox capacitance). The influence of surfactants on analytical applicability of PEDOT as a receptor membrane for potentiometric ion sensors was discussed.

Słowa kluczowe

EN

poly(3,4-ethylenedioxythiophene); surfactants; electrochemical impedance spectroscopy; potentiometric ion sensors

• Wydawca: Polskie Towarzystwo Chemiczne
• Czasopismo: Polish Journal of Chemistry
• Rocznik: 2008
• Tom: Vol. 82, nr 7
• Strony: 1463--1463
• Opis fizyczny: –1472, Bibliogr. 23 poz., rys.

Twórcy

autor

Ocypa M.

autor

Michalska A.

autor

Maksymiuk K.

• Department of Chemistry, Warsaw University, Pasteura 1, 02-093 Warszawa, Poland,

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