Force measurements between Sub-100 nm colloidal particles

Darrell Velegol; Gretchen L. Holtzer; Aleksandar F. Radović-Moreno; Joshua D. Cuppett

doi:10.1021/la062102u

Force measurements between Sub-100 nm colloidal particles

Darrell Velegol, Gretchen L. Holtzer, Aleksandar F. Radović-Moreno, Joshua D. Cuppett

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9 Scopus citations

Abstract

Interparticle forces have been measured between polystyrene latex particles as small as 85 nm in diameter in KCl solutions. A variant of the differential electrophoresis technique, called particle force light scattering (PFLS), was used to measure forces between Brownian, nearly touching particles for diameters from 4500 nm down to 85 nm. The forces, some less than 0.1 pN, matched to within a factor of 2 with predictions from depletion and DLVO theory.

Original language	English (US)
Pages (from-to)	1275-1280
Number of pages	6
Journal	Langmuir
Volume	23
Issue number	3
DOIs	https://doi.org/10.1021/la062102u
State	Published - Jan 30 2007

All Science Journal Classification (ASJC) codes

General Materials Science
Condensed Matter Physics
Surfaces and Interfaces
Spectroscopy
Electrochemistry

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10.1021/la062102u

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abstract = "Interparticle forces have been measured between polystyrene latex particles as small as 85 nm in diameter in KCl solutions. A variant of the differential electrophoresis technique, called particle force light scattering (PFLS), was used to measure forces between Brownian, nearly touching particles for diameters from 4500 nm down to 85 nm. The forces, some less than 0.1 pN, matched to within a factor of 2 with predictions from depletion and DLVO theory.",

author = "Darrell Velegol and Holtzer, {Gretchen L.} and Radovi{\'c}-Moreno, {Aleksandar F.} and Cuppett, {Joshua D.}",

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AU - Velegol, Darrell

AU - Holtzer, Gretchen L.

AU - Radović-Moreno, Aleksandar F.

AU - Cuppett, Joshua D.

PY - 2007/1/30

Y1 - 2007/1/30

N2 - Interparticle forces have been measured between polystyrene latex particles as small as 85 nm in diameter in KCl solutions. A variant of the differential electrophoresis technique, called particle force light scattering (PFLS), was used to measure forces between Brownian, nearly touching particles for diameters from 4500 nm down to 85 nm. The forces, some less than 0.1 pN, matched to within a factor of 2 with predictions from depletion and DLVO theory.

AB - Interparticle forces have been measured between polystyrene latex particles as small as 85 nm in diameter in KCl solutions. A variant of the differential electrophoresis technique, called particle force light scattering (PFLS), was used to measure forces between Brownian, nearly touching particles for diameters from 4500 nm down to 85 nm. The forces, some less than 0.1 pN, matched to within a factor of 2 with predictions from depletion and DLVO theory.

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Force measurements between Sub-100 nm colloidal particles

Abstract

All Science Journal Classification (ASJC) codes

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