Electrochemical synthesis and nucleation and growth mechanism of Prussian blue films on p-Si(100) electrodes

EDUARDO CARLO MUÑOZ CARTAGENA, Ricardo A. Córdova, Rodrigo G. Henríquez, Ricardo S. Schrebler, Regina Cisternas, Ricardo E. Marotti

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Abstract

In this study, we examined the synthesis of Prussian blue onto p-Si(100). The Prussian blue formation was carried out by means of the deposition of a Fe film and then its dissolution in presence of potassium hexacyanoferrate(II). In the first stage, a study by cyclic voltammetry was carried out, and then, using the potential step method, the corresponding nucleation and growth mechanism were determined. Likewise, a morphologic analysis of the deposits obtained at different potential values by means of atomic force microscopy was carried out. The results are consistent with a 3D progressive nucleation with diffusion-controlled growth. Finally, this research is oriented to construct electrochemical storage devices which can be in situ loaded by the photovoltaic action of the semiconductor base material doped silicon.

Original languageEnglish
Pages (from-to)93-100
Number of pages8
JournalJournal of Solid State Electrochemistry
Volume16
Issue number1
DOIs
StatePublished - Jan 2012
Externally publishedYes

Keywords

  • 3D progressive nucleation
  • Nucleation and growth
  • P-silicon
  • Prussian blue

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