Self-Assembly of Nanoparticles from Evaporating Sessile Droplets : Fresh Look into the Role of Particle/Substrate Interaction

We studied the dependence of solid deposit shape obtained by free drying of sessile drops on particle concentration and Derjaguin-Landau-Verwey-Overbeek (DLVO) particle/substrate interaction. In contrast to previous contributions using pH as a control parameter of interactions, we investigated an un...

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Veröffentlicht in:Langmuir : the ACS journal of surfaces and colloids. - 1992. - 36(2020), 39 vom: 06. Okt., Seite 11411-11421
1. Verfasser: Bridonneau, N (VerfasserIn)
Weitere Verfasser: Zhao, M, Battaglini, N, Mattana, G, Thévenet, V, Noël, V, Roché, M, Zrig, S, Carn, F
Format: Online-Aufsatz
Sprache:English
Veröffentlicht: 2020
Zugriff auf das übergeordnete Werk:Langmuir : the ACS journal of surfaces and colloids
Schlagworte:Journal Article
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245 1 0 |a Self-Assembly of Nanoparticles from Evaporating Sessile Droplets  |b Fresh Look into the Role of Particle/Substrate Interaction 
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520 |a We studied the dependence of solid deposit shape obtained by free drying of sessile drops on particle concentration and Derjaguin-Landau-Verwey-Overbeek (DLVO) particle/substrate interaction. In contrast to previous contributions using pH as a control parameter of interactions, we investigated an unprecedentedly wide range of concentrations and particle/substrate DLVO forces by modifying the nature of the substrate and particles as well as their size and surface chemistry, whereas long-distance repulsive interactions between particles were maintained for most of the drying time. Our main result is that the different shapes of deposits obtained by modifying the particle concentration are the same in the different regimes of concentration regardless of particle/substrate interaction in the studied range of DLVO forces and particle concentrations. The second result is that, contrary to expectations, the dominant morphology of dry patterns at low particle concentration always shows a dotlike pattern for all the studied systems 
650 4 |a Journal Article 
700 1 |a Zhao, M  |e verfasserin  |4 aut 
700 1 |a Battaglini, N  |e verfasserin  |4 aut 
700 1 |a Mattana, G  |e verfasserin  |4 aut 
700 1 |a Thévenet, V  |e verfasserin  |4 aut 
700 1 |a Noël, V  |e verfasserin  |4 aut 
700 1 |a Roché, M  |e verfasserin  |4 aut 
700 1 |a Zrig, S  |e verfasserin  |4 aut 
700 1 |a Carn, F  |e verfasserin  |4 aut 
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