Electric Double-Layer Interaction between Dissimilar Charge-Conserved Conducting Plates

Langmuir : the ACS Journal of Surfaces and Colloids
Derek Y C Chan

Abstract

Small metallic particles used in forming nanostructured to impart novel optical, catalytic, or tribo-rheological can be modeled as conducting particles with equipotential surfaces that carry a net surface charge. The value of the surface potential will vary with the separation between interacting particles, and in the absence of charge-transfer or electrochemical reactions across the particle surface, the total charge of each particle must also remain constant. These two physical conditions require the electrostatic boundary condition for metallic nanoparticles to satisfy an equipotential whole-of-particle charge conservation constraint that has not been studied previously. This constraint gives rise to a global charge conserved constant potential boundary condition that results in multibody effects in the electric double-layer interaction that are either absent or are very small in the familiar constant potential or constant charge or surface electrochemical equilibrium condition.

References

Mar 9, 2007·The Journal of Chemical Physics·Stewart K ReedPaul A Madden
Nov 17, 2014·The Journal of Chemical Physics·Zhenxing WangBrian B Laird

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Citations

Mar 20, 2018·Physical Review. E·D S EtherP A Maia Neto

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