DESIGN AND CONSTRUCTION OF A POTENTIOSTAT FOR MATERIAL SYNTHESIS PROCESS USING CHEMICAL ELECTRODEPOSITION

This work focuses on the design and development of a potentiostat, which can be used in different areas including synthesis of materials by chemical electrodeposition, studies of corrosion processes and tests of cyclic voltammetry. The developed potentiostat is versatile, stable, operates in the ran...

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Bibliographic Details
Published inMomento no. 43; pp. 57 - 68
Main Authors Diego F. Gómez, Andrés Rosales-Rivera, Alvaro Gómez-Peña
Format Journal Article
LanguageEnglish
Spanish
Published Universidad Nacional de Colombia 01.12.2011
Subjects
electrodeposición química
Potenciostato
técnicas electroanalíticas
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Summary:This work focuses on the design and development of a potentiostat, which can be used in different areas including synthesis of materials by chemical electrodeposition, studies of corrosion processes and tests of cyclic voltammetry. The developed potentiostat is versatile, stable, operates in the range of micro-ampere and pro-vides high performance as a commercial potentiostat but is lowest cost. Operational amplifiers featuring low currents of polarization, high impedance input and low offset voltage, as well as simulation of real resistance loads were used in the construction of the potentiostat. This potentiostat was used to characterize the process of redox occurring in the chemical electrodeposition of PD on a substrate. Voltammetry and final deposition results are comparable with results reported in the literature for the palladium.
ISSN:0121-4470
2500-8013