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Abstrakty
Analysis of voltammograms, chronoamperograms and electrochemical impedance spectra (0.05÷4000 Hz) indicate a slow stage of chemisorption of sulfite ions that reduces an active surface of gold electrode, and significantly influences a parallel stage of charge transfer of gold(I)-sulfite complexes. The proposed equivalent circuit representing electrochemical process well fits to experimental dependencies of real and imaginary parts of impedance on frequency. Values of elements of equivalent circuit at different potentials of gold electrode (0.1÷-0.5 V) were calculated. Cathodic voltammogram simulated by using the dependencies of elements of equivalent circuit on electrode potential rather well represents experimentally obtained voltammograms.
Wydawca
Czasopismo
Rocznik
Tom
Strony
1819--1831
Opis fizyczny
Bibliogr. 19 poz., rys.
Twórcy
autor
- Department of Physical Chemistry, Vilnius University, Naugarduko 24, LT-2006 Vilnius, Lithuania
autor
- Department of Physical Chemistry, Vilnius University, Naugarduko 24, LT-2006 Vilnius, Lithuania
autor
- Department of Physical Chemistry, Vilnius University, Naugarduko 24, LT-2006 Vilnius, Lithuania
Bibliografia
- 1. Morrissey R.J., Plating, 80, 75 (1993).
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- 3. Ehrfeld W. and Lehr H„ Radial. Phys. Chem., 45, 349 (1995).
- 4. Gemmler A., Keller W., Richter H. and Ruess K., Metalloberfläche, 47, 461 (1993).
- 5. Okinaka J. and Hoshino M., Gold Bull., 31, 3 (1998).
- 6. Löwe H., Mensinger H. and Ehrfeld W., Oberflächentechnik, 50, 77 (1994).
- 7. Shirai N., Yoshimura S., Sato E. and Kubota N., J. Sur. Finish. Soc. Jpn., 40, 543 (1989).
- 8. Honma H. and Hagiwara K., J. Electrochem. Soc., 142, 81 (1995).
- 9. Küpper M., Baltrunas G. and Löwe H., Galvanotechnik, 88, 2906 (1997).
- 10. Pechewitskij B.J. andErenburg A.M.,Izv. Sib. Otdel. AN SSSR. Ser. Khim. Nauk, 4,24 (1976) (in Russian).
- 11. Baltrunas G., Chemija (Vilnius), 10, 112 (1999).
- 12. Varga K., Baradlai P. and Vertes A., Electrochim. Acta, 42, 1143 (1997).
- 13. Fanigliulo A. and Bozzini B., Trans IMF, 80, 132 (2002).
- 14. WcstbroekP, DeStryckerJ., VanUytfangheK. and TemmermanE., J. Electroanal. Chem.. 516,83 (2001).
- 15. Gueshi T., Tokuda K. and Matsuda H., J. Electroanal. Chem., 89, 247 (1978).
- 16. Macdonald J.R., Impedance Spectroscopy, John Wiley & Sons, NY, 1987.
- 17. Deslouis C., Gabrielli C., Keddam M., Khalil A., Rosset R., Tribollet B. and Zidoune M., Electrochim. Acta, 42, 1219(1997).
- 18. Baltrunas G., Popkirov G.S. and Schindler R.N., J. Electroanal. Chem., 435, 95 (1997).
- 19. Grafov B.M. and Ukshe E.A., The Electrochemical AC Circuits, Nauka, Moscow, 1973 (in Russian).
Typ dokumentu
Bibliografia
Identyfikator YADDA
bwmeta1.element.baztech-article-BUJ1-0024-0165