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  Existence of a Lower Critical Radius for Incorporation of Silica Particles into Zinc during Electro-codeposition

Khan, T., Vimalanandan, A., Marlow, F., Erbe, A., & Rohwerder, M. (2012). Existence of a Lower Critical Radius for Incorporation of Silica Particles into Zinc during Electro-codeposition. ACS APPLIED MATERIALS & INTERFACES, 4(11), 6221-6227. doi:10.1021/am301821m.

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Khan, Tabrisur1, Author
Vimalanandan, Ashokanand1, Author
Marlow, Frank2, Author           
Erbe, Andreas1, Author
Rohwerder, Michael1, Author
Affiliations:
1Max-Planck-Institut für Eisenforschung, D-40237 Dusseldorf, ou_persistent22              
2Research Group Marlow, Max-Planck-Institut für Kohlenforschung, Max Planck Society, Kaiser-Wilhelm-Platz 1, 45470 Mülheim an der Ruhr, DE, ou_1445612              

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Free keywords: INERT PARTICLES; ALUMINA NANOPARTICLES; CORROSION PROTECTION; BATH COMPOSITION; ELECTRODEPOSITION; COATINGS; BEHAVIOR; COPPER; METAL; COMPOSITES
 Abstract: Recently, it was shown that the surface modification of silica particles with -SH functional groups enables their electro-codeposition with zinc. Here, however, we report that no incorporation into Zn can be observed for such modified particles with diameters of <100 nm, while incorporation is possible for particles with diameters of 225 nm and larger. Furthermore, when silica particles are functionalized with mixtures of -SH and -Cl functional groups, which affect the interface energy at the particle/metal interface differently but have similar interfacial energies for the particle/electrolyte interface, it is found that, for successful incorporation of the particles, a minimum amount of -SH functional groups is needed. An explanation for these observations has been derived based on energetic considerations regarding the interfaces involved in the process.

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 Dates: 2012-11-01
 Publication Status: Published in print
 Pages: -
 Publishing info: -
 Table of Contents: -
 Rev. Type: Peer
 Identifiers: ISSN: 1944-8244
DOI: 10.1021/am301821m
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Title: ACS APPLIED MATERIALS & INTERFACES
Source Genre: Journal
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Pages: - Volume / Issue: 4 (11) Sequence Number: - Start / End Page: 6221 - 6227 Identifier: DOI: 10.1021/am301821m