Deposition kinetics of nanocolloidal gold particles

E.A.M. Brouwer; Ernst S. Kooij; Mark Hakbijl; Herbert Wormeester; Bene Poelsema

doi:10.1016/j.colsurfa.2005.06.051

Deposition kinetics of nanocolloidal gold particles

E.A.M. Brouwer, Ernst S. Kooij, Mark Hakbijl, Herbert Wormeester, Bene Poelsema

Research output: Contribution to journal › Article › Academic › peer-review

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Abstract

The deposition kinetics of the irreversible adsorption of citrate-stabilized, nanocolloidal gold particles on Si/SiO2 surfaces, derivatized with (aminopropyl)triethoxysilane (APTES), is investigated in situ using single wavelength optical reflectometry. A well-defined flow of colloids towards the surface is realized using a radial impinging jet cell geometry. The dynamics of the deposition process is at first mass transport limited. Surface blocking effects determine the adsorption kinetics in the final stage. The entire deposition process can be adequately described in terms of a generalized adsorption theory, which combines the effects of mass-transport and the actual adsorption onto the surface. The diffusion coefficient of the particles is calculated from the initial deposition rate. The obtained value corresponds well with data obtained from experiments described in literature and with the value calculated from the Stokes–Einstein relation.

Original language	Undefined
Pages (from-to)	133-138
Number of pages	6
Journal	Colloids and surfaces A: Physicochemical and engineering aspects
Volume	267
Issue number	1-3
DOIs	https://doi.org/10.1016/j.colsurfa.2005.06.051
Publication status	Published - 2005

Keywords

METIS-227133
RSA
Deposition kinetics
Ionic strength
Nanocolloidal gold particles
IR-75170

Access to Document

10.1016/j.colsurfa.2005.06.051

Cite this

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title = "Deposition kinetics of nanocolloidal gold particles",

abstract = "The deposition kinetics of the irreversible adsorption of citrate-stabilized, nanocolloidal gold particles on Si/SiO2 surfaces, derivatized with (aminopropyl)triethoxysilane (APTES), is investigated in situ using single wavelength optical reflectometry. A well-defined flow of colloids towards the surface is realized using a radial impinging jet cell geometry. The dynamics of the deposition process is at first mass transport limited. Surface blocking effects determine the adsorption kinetics in the final stage. The entire deposition process can be adequately described in terms of a generalized adsorption theory, which combines the effects of mass-transport and the actual adsorption onto the surface. The diffusion coefficient of the particles is calculated from the initial deposition rate. The obtained value corresponds well with data obtained from experiments described in literature and with the value calculated from the Stokes–Einstein relation.",

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TY - JOUR

T1 - Deposition kinetics of nanocolloidal gold particles

AU - Brouwer, E.A.M.

AU - Kooij, Ernst S.

AU - Hakbijl, Mark

AU - Wormeester, Herbert

AU - Poelsema, Bene

PY - 2005

Y1 - 2005

N2 - The deposition kinetics of the irreversible adsorption of citrate-stabilized, nanocolloidal gold particles on Si/SiO2 surfaces, derivatized with (aminopropyl)triethoxysilane (APTES), is investigated in situ using single wavelength optical reflectometry. A well-defined flow of colloids towards the surface is realized using a radial impinging jet cell geometry. The dynamics of the deposition process is at first mass transport limited. Surface blocking effects determine the adsorption kinetics in the final stage. The entire deposition process can be adequately described in terms of a generalized adsorption theory, which combines the effects of mass-transport and the actual adsorption onto the surface. The diffusion coefficient of the particles is calculated from the initial deposition rate. The obtained value corresponds well with data obtained from experiments described in literature and with the value calculated from the Stokes–Einstein relation.

AB - The deposition kinetics of the irreversible adsorption of citrate-stabilized, nanocolloidal gold particles on Si/SiO2 surfaces, derivatized with (aminopropyl)triethoxysilane (APTES), is investigated in situ using single wavelength optical reflectometry. A well-defined flow of colloids towards the surface is realized using a radial impinging jet cell geometry. The dynamics of the deposition process is at first mass transport limited. Surface blocking effects determine the adsorption kinetics in the final stage. The entire deposition process can be adequately described in terms of a generalized adsorption theory, which combines the effects of mass-transport and the actual adsorption onto the surface. The diffusion coefficient of the particles is calculated from the initial deposition rate. The obtained value corresponds well with data obtained from experiments described in literature and with the value calculated from the Stokes–Einstein relation.

KW - METIS-227133

KW - RSA

KW - Deposition kinetics

KW - Ionic strength

KW - Nanocolloidal gold particles

KW - IR-75170

U2 - 10.1016/j.colsurfa.2005.06.051

DO - 10.1016/j.colsurfa.2005.06.051

M3 - Article

SN - 0927-7757

VL - 267

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EP - 138

JO - Colloids and surfaces A: Physicochemical and engineering aspects

JF - Colloids and surfaces A: Physicochemical and engineering aspects

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