The Role of Similarity Cues in the Development of Trust in Sources of Information About GM Food

G.A. Ragoisha, A.S. Bondarenko, N.P. Osipovich, S.M. Rabchynski, E.A. Streltsov, Jan M. Gutteling

Research output: Contribution to journalArticleAcademicpeer-review

26 Citations (Scopus)

Abstract

An approach to multiparametric characterisation of variable electroactive interfaces based on potentiodynamic electrochemical impedance spectroscopy (PDEIS) [G.A. Ragoisha, A.S. Bondarenko, Electrochim. Acta 50 (2005) 1553] has been extended to atomic multilayer assembly monitoring. The multilayers were formed by successive underpotential deposition of Te, Se and Pb or Cu adlayers on Au, and also by cadmium adlayer deposition on tellurium underlayer supported by gold. These multilayers were characterised in potentiodynamic mode by dependences of ac equivalent circuit parameters on electrode potential. The dependences disclose variations of interfacial double electric layer, charge transfer and diffusion. The dependencies of the characteristic parameters of the Au/Tead/Sead/Pbad composite three-layer have been found to be significantly different from the corresponding dependences of Au/Tead/Pbad and Au/Sead/Pbad bilayers, while Au/Tead/Sead/Cuad has shown much similarity with Au/Sead/Cuad in Faradaic part of ac response. Upd of Pb, Cu and Cd on the chalcogen adlayers has shown irreversibility with especially strong potential shift of adlayer oxidation potential in the case of lead deposition on bi-chalcogen Au/Tead/Sead underlayer. Unlike Pb adlayer, which is formed locally on top of tellurium–selenium bilayer and could be fully dissolved in the anodic scan in the potential range of stability of the chalcogen composite underlayer, copper penetrated into the Au/Tead/Sead bilayer and dissolved incompletely at Cu adlayer oxidation potential. The self-descriptiveness of potential dependences of circuit parameters suggests PDEIS to be a handy tool for layer-by-layer deposition monitoring in electrochemical nanotechnologies.
Original languageUndefined
Pages (from-to)1116-1128
JournalRisk analysis
Volume29
Issue number8
DOIs
Publication statusPublished - 2009

Keywords

  • Potentiodynamic electrochemical impedance spectroscopy
  • METIS-260466
  • IR-79056
  • Underpotential deposition
  • Metal-chalcogen multilayer
  • Layer-by-layer deposition
  • Adlayer

Cite this

Ragoisha, G. A., Bondarenko, A. S., Osipovich, N. P., Rabchynski, S. M., Streltsov, E. A., & Gutteling, J. M. (2009). The Role of Similarity Cues in the Development of Trust in Sources of Information About GM Food. Risk analysis, 29(8), 1116-1128. https://doi.org/10.1016/j.electacta.2007.09.017
Ragoisha, G.A. ; Bondarenko, A.S. ; Osipovich, N.P. ; Rabchynski, S.M. ; Streltsov, E.A. ; Gutteling, Jan M. / The Role of Similarity Cues in the Development of Trust in Sources of Information About GM Food. In: Risk analysis. 2009 ; Vol. 29, No. 8. pp. 1116-1128.
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Ragoisha, GA, Bondarenko, AS, Osipovich, NP, Rabchynski, SM, Streltsov, EA & Gutteling, JM 2009, 'The Role of Similarity Cues in the Development of Trust in Sources of Information About GM Food', Risk analysis, vol. 29, no. 8, pp. 1116-1128. https://doi.org/10.1016/j.electacta.2007.09.017

The Role of Similarity Cues in the Development of Trust in Sources of Information About GM Food. / Ragoisha, G.A.; Bondarenko, A.S.; Osipovich, N.P.; Rabchynski, S.M.; Streltsov, E.A.; Gutteling, Jan M.

In: Risk analysis, Vol. 29, No. 8, 2009, p. 1116-1128.

Research output: Contribution to journalArticleAcademicpeer-review

TY - JOUR

T1 - The Role of Similarity Cues in the Development of Trust in Sources of Information About GM Food

AU - Ragoisha, G.A.

AU - Bondarenko, A.S.

AU - Osipovich, N.P.

AU - Rabchynski, S.M.

AU - Streltsov, E.A.

AU - Gutteling, Jan M.

PY - 2009

Y1 - 2009

N2 - An approach to multiparametric characterisation of variable electroactive interfaces based on potentiodynamic electrochemical impedance spectroscopy (PDEIS) [G.A. Ragoisha, A.S. Bondarenko, Electrochim. Acta 50 (2005) 1553] has been extended to atomic multilayer assembly monitoring. The multilayers were formed by successive underpotential deposition of Te, Se and Pb or Cu adlayers on Au, and also by cadmium adlayer deposition on tellurium underlayer supported by gold. These multilayers were characterised in potentiodynamic mode by dependences of ac equivalent circuit parameters on electrode potential. The dependences disclose variations of interfacial double electric layer, charge transfer and diffusion. The dependencies of the characteristic parameters of the Au/Tead/Sead/Pbad composite three-layer have been found to be significantly different from the corresponding dependences of Au/Tead/Pbad and Au/Sead/Pbad bilayers, while Au/Tead/Sead/Cuad has shown much similarity with Au/Sead/Cuad in Faradaic part of ac response. Upd of Pb, Cu and Cd on the chalcogen adlayers has shown irreversibility with especially strong potential shift of adlayer oxidation potential in the case of lead deposition on bi-chalcogen Au/Tead/Sead underlayer. Unlike Pb adlayer, which is formed locally on top of tellurium–selenium bilayer and could be fully dissolved in the anodic scan in the potential range of stability of the chalcogen composite underlayer, copper penetrated into the Au/Tead/Sead bilayer and dissolved incompletely at Cu adlayer oxidation potential. The self-descriptiveness of potential dependences of circuit parameters suggests PDEIS to be a handy tool for layer-by-layer deposition monitoring in electrochemical nanotechnologies.

AB - An approach to multiparametric characterisation of variable electroactive interfaces based on potentiodynamic electrochemical impedance spectroscopy (PDEIS) [G.A. Ragoisha, A.S. Bondarenko, Electrochim. Acta 50 (2005) 1553] has been extended to atomic multilayer assembly monitoring. The multilayers were formed by successive underpotential deposition of Te, Se and Pb or Cu adlayers on Au, and also by cadmium adlayer deposition on tellurium underlayer supported by gold. These multilayers were characterised in potentiodynamic mode by dependences of ac equivalent circuit parameters on electrode potential. The dependences disclose variations of interfacial double electric layer, charge transfer and diffusion. The dependencies of the characteristic parameters of the Au/Tead/Sead/Pbad composite three-layer have been found to be significantly different from the corresponding dependences of Au/Tead/Pbad and Au/Sead/Pbad bilayers, while Au/Tead/Sead/Cuad has shown much similarity with Au/Sead/Cuad in Faradaic part of ac response. Upd of Pb, Cu and Cd on the chalcogen adlayers has shown irreversibility with especially strong potential shift of adlayer oxidation potential in the case of lead deposition on bi-chalcogen Au/Tead/Sead underlayer. Unlike Pb adlayer, which is formed locally on top of tellurium–selenium bilayer and could be fully dissolved in the anodic scan in the potential range of stability of the chalcogen composite underlayer, copper penetrated into the Au/Tead/Sead bilayer and dissolved incompletely at Cu adlayer oxidation potential. The self-descriptiveness of potential dependences of circuit parameters suggests PDEIS to be a handy tool for layer-by-layer deposition monitoring in electrochemical nanotechnologies.

KW - Potentiodynamic electrochemical impedance spectroscopy

KW - METIS-260466

KW - IR-79056

KW - Underpotential deposition

KW - Metal-chalcogen multilayer

KW - Layer-by-layer deposition

KW - Adlayer

U2 - 10.1016/j.electacta.2007.09.017

DO - 10.1016/j.electacta.2007.09.017

M3 - Article

VL - 29

SP - 1116

EP - 1128

JO - Risk analysis

JF - Risk analysis

SN - 0272-4332

IS - 8

ER -