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Vol. 193, Issue 10, October 2015, pp. 80-85

 

Bullet

 

Analysis of the Planar Electrode Morphology Applied to Zeolite Based Chemical Sensors
 

1 Luiz Eduardo BENTO RIBEIRO, 2 Glaucio Pedro de Alcântara, 2 Cid Marcos Gonçalves Andrade, 1 Fabiano FRUETT

1 School of Electrical and Computer Engineering of State University of Campinas, Campinas, Brazil
2 Department of Chemical Engineering of State University of Maringá, Paran?, Brazil

E-mail: luizebr@dsif.fee.unicamp.br, fabiano@dsif.fee.unicamp.br

 

Received: 31 August 2015 /Accepted: 5 October 2015 /Published: 30 October 2015

Digital Sensors and Sensor Sysstems

 

Abstract: In order to improve the zeolite chemical sensors sensibility, three different electrode structures are compared in this work: conventional interdigitated electrodes (IDE), serpentine electrodes (SRE) and ring-shaped electrodes (RSE). Simulation results and experimental characterization of these electrodes showed that ring-shaped electrodes have a slight capacitance increase per unit of area. When used as a zeolite chemical sensor, the ring-shaped electrodes prove to be more suitable since they take advantage of a better usage of the drop distribution and a better capacitance per area ratio.

 

Keywords: Interdigitated electrodes, Ring-shaped electrodes, Serpentine electrodes, Chemical sensors, Electrode structure, Interdigital electrodes, Zeolite.

 

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