A Reliable Homemade Electrode Based on Glassy Polymeric Carbon

Marcello G. Rodrigues and Robert L. Zimmerman
Departamento de Física e Matemática, FFCLRP, USP, Ribeirão Preto, SP, Brazil, 14040-901
André L. Santos , Regina M. Takeuchi and Herenilton P. Oliveira
Departamento de Química, FFCLRP, USP, Ribeirão Preto, SP, Brazil, 14040-901
J. Chem. Educ., 2004, 81 (6), p 842
DOI: 10.1021/ed081p842
Publication Date (Web): June 1, 2004

Abstract

The production of glassy polymeric carbon (GPC) through the thermal treatment of a phenolic resin is described. The pyrolysis process has been investigated by Fourier-transform infrared spectroscopy and powder X-ray diffraction. The final material is a conductive, nonporous, glasslike material with a rigid structure that can be used as a working electrode in electrochemical experiments. To evaluate the voltammetric performance of the electrode, the [Fe(CN)6]3-/[Fe(CN)6]4- redox couple was used. Some assays were performed to test its stability.

Keywords (Audience):

Second-Year Undergraduate

Keywords (Domain):

Analytical Chemistry

Keywords (Feature):

Cost-Effective Teacher

Keywords (Subject):

Carbon
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  • Received: August 03, 2009

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