Izvorni znanstveni članak

https://doi.org/10.5562/cca1784

PEDOT Modified Carbon Paste Microelectrodes for Scanning Electrochemical Microscopy

Balazs Csoka ; Department of Analytical and Environmental Chemistry, Faculty of Sciences, University of Pécs, Ifjúság útja 6, H-7624 Pécs, Hungary
Zineb Mekhalif ; Laboratory of Chemistry and Electrochemistry of Surfaces, University of Namur (FUNDP), Rue de Bruxelles 61, B-5000 Namur, Belgium

Sažetak

Only one measuring tip was used in three different modes of operation of the Scanning Electrochemical
Microscope (feed-back mode, generation-collection mode, potentiometry) to collect chemical information
about copper targets. The tip was formed from 5 and 25 μm diameter conventional platinum
microdisk electrode by etching a cavity, then electrochemically depositing poly(3,4-ethylenedioxythiophene)
(PEDOT) layer doped with hexacyanoferrate and finally filling with modified carbon paste
based Cu2+ sensing layer. The preparation and electrochemical working parameters of this kind of solidcontact
microelectrodes are discussed as well as SECM applications for copper detection is reported.
(doi: 10.5562/cca1784)

Ključne riječi

carbon paste; PEDOT; SECM; potentiometry; amperometry

Hrčak ID:

74780

URI

https://hrcak.srce.hr/74780

Datum izdavanja:

13.11.2011.

Posjeta: 2.234 *