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Title: Dynamical density functional theory for the dewetting of evaporating thin films of nanoparticle suspensions exhibiting pattern formation
Authors: Archer, Andrew J.
Robbins, Mark J.
Thiele, Uwe
Issue Date: 2010
Publisher: © The American Physical Society
Citation: ARCHER, A.J., ROBBINS, M.J. and THIELE, U., 2010. Dynamical density functional theory for the dewetting of evaporating thin films of nanoparticle suspensions exhibiting pattern formation. Physical Review E, 81 (2), DOI: 10.1103/PhysRevE.81.021602
Abstract: Recent experiments have shown that the striking structure formation in dewetting films of evaporating colloidal nanoparticle suspensions occurs in an ultrathin “postcursor” layer that is left behind by a mesoscopic dewetting front. Various phase change and transport processes occur in the postcursor layer that may lead to nanoparticle deposits in the form of labyrinthine, network, or strongly branched “finger” structures. We develop a versatile dynamical density functional theory to model this system which captures all these structures and may be employed to investigate the influence of evaporation or condensation, nanoparticle transport, and solute transport in a differentiated way. We highlight, in particular, the influence of the subtle interplay of decomposition in the layer and contact line motion on the observed particle-induced transverse instability of the dewetting front.
Description: This article was published in the journal, Physical Review E [© The American Physical Society] and the definitive version is also available at: http://journals.aps.org/pre/abstract/10.1103/PhysRevE.81.021602
Sponsor: A.J.A. and M.J.R. gratefully acknowledge financial support by RCUK and EPSRC-GB, respectively. We acknowledge support by the EU via Grant No. PITN-GA-2008-214919 (MULTIFLOW).
Version: Published
DOI: 10.1103/PhysRevE.81.021602
URI: https://dspace.lboro.ac.uk/2134/15988
Publisher Link: http://dx.doi.org/10.1103/PhysRevE.81.021602
ISSN: 1539-3755
Appears in Collections:Published Articles (Maths)

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