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METHYLENE - BLUE MODIFIED POLYPYRROLE FILM ELECTRODE FOR OPTOELECTRONIC APPLICATIONS

R. M. Ion1, F. Scarlat2,* , Fl. Scarlat2, V. I. R. Niculescu2

Affiliation

  1. Institute for Chemical Research, Department of Chemical Analysis, Splaiul Independentei 202, Bucharest-77208, Romania
  2. National Institute for Lasers, Plasma and Radiation Physics, Bucharest-Magurele, P.O.Box MG-36, Romania

Abstract

Organic semiconductors have been the objects of considerable attention in recent years, both as electrodes and photoelectrods in different applications. Radiation-induced and electrochemical modification of polypyrrole film by incorporating of large electro-active organic molecules is investigated in this paper. Introduction in the polypyrrole (PPy) of methylene blue as counterion has a strong effect on the electrochemical performance of PPy films. The UV - VIS spectra of the films (fitted with Gauss type function) are also evaluated. IR spectra are measured in order to proof the incorporation of MB into polypyrrole film..

Keywords

Photo electrochemical conversion, Film electrode, Methylene- blue.

Submitted at: Jan. 13, 2003
Accepted at: March 12, 2003

Citation

R. M. Ion, F. Scarlat, Fl. Scarlat, V. I. R. Niculescu, METHYLENE - BLUE MODIFIED POLYPYRROLE FILM ELECTRODE FOR OPTOELECTRONIC APPLICATIONS, Journal of Optoelectronics and Advanced Materials Vol. 5, Iss. 1, pp. 109-114 (2003)