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Electrostatic Directed Assembly of Colloidal Microparticles Assisted by Convective Flow

Teulon, Lauryanne and Hallez, Yannick and Raffy, Simon and Guerin, François and Palleau, Etienne and Ressier, Laurence Electrostatic Directed Assembly of Colloidal Microparticles Assisted by Convective Flow. (2019) Journal of Physical Chemistry C, 123 (1). 783-790. ISSN 1932-7447

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Official URL: https://doi.org/10.1021/acs.jpcc.8b08981

Abstract

Electrostatic directed assembly of colloidal particles on charged patterns, that is, nanoxerography, has proven to find innovative applications in plasmonics, anticounterfeiting, or particle sorting. However, this technique was restricted to dispersions of nanoparticles whose diameters are typically below 100 nm. The combination of experiments and simulations shows that this limitation is due to an uncontrolled dewetting of the substrate and to the low mobility of large particles. The “convective nanoxerography” process developed in this work overcomes this limit and allows making selective and dense assemblies of micrometer-sized particles expanding by a factor 40 the size range foreseeable.

Item Type:Article
HAL Id:hal-02284270
Audience (journal):International peer-reviewed journal
Uncontrolled Keywords:
Institution:French research institutions > Centre National de la Recherche Scientifique - CNRS (FRANCE)
Université de Toulouse > Institut National Polytechnique de Toulouse - INPT (FRANCE)
Université de Toulouse > Institut National des Sciences Appliquées de Toulouse - INSA (FRANCE)
Université de Toulouse > Université Toulouse III - Paul Sabatier - UPS (FRANCE)
Laboratory name:
Funders:
GENCI-CINES/IDRIS - CALMIP
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Deposited By: Loetitia MOYA
Deposited On:11 Sep 2019 13:57

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