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Title of Journal: J Solid State Electrochem

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Abbravation: Journal of Solid State Electrochemistry

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Springer-Verlag

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DOI

10.1007/bf00271094

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1433-0768

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Electrochemical synthesis of nanocobalt hexacyano

Authors: Mario Berrettoni Marco Giorgetti James A Cox David Ranganathan Paolo Conti Silvia Zamponi
Publish Date: 2012/03/16
Volume: 16, Issue: 9, Pages: 2861-2866
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Abstract

The paper describes the timedependent evolution of the electrochemical deposition of cobalt hexacyanoferrate CoHCFe on graphite foil electrode modified with electrochemically formed sol–gel film doped with βcyclodextrin to impart porosity With shorttime electrodeposition cyclic voltammetry CV shows a single redox couple typical of nanosized clusters of CoHCFe while at longer deposition times the CV’s shape evolves to the classical form of a bulk compound in which there are present two redox couples The electrode modified with βcyclodextrin CD included in the sol–gel film has an active surface that corresponds to pores created by CD stacks normal to the surface Hence the electrochemical formation of CoHCFe starts in these conductive pores only at long deposition times do the clusters overlap to form moieties with the voltammetric characteristics of bulk CoHCFe

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