Controlling disorder in self-assembled colloidal monolayers via evaporative processes

Monolayers of assembled nano-objects with a controlled degree of disorder hold interest in many optical applications, including photovoltaics, light emission, sensing, and structural coloration. Controlled disorder can be achieved through either top-down or bottom-up approaches, but the latter is mo...

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Published inNanoscale Vol. 14; no. 9; pp. 3324 - 3345
Main Authors Roach, Lucien, Hereu, Adrian, Lalanne, Philippe, Duguet, Etienne, Tréguer-Delapierre, Mona, Vynck, Kevin, Drisko, Glenna L
Format Journal Article
LanguageEnglish
Published England Royal Society of Chemistry 07.03.2022
The Royal Society of Chemistry
Subjects
Chemical Sciences
Chemistry
Colloiding
Engineering Sciences
Light emission
Monolayers
Photovoltaic cells
Physics
Self-assembly
Spatial distribution
Substrates
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Summary:Monolayers of assembled nano-objects with a controlled degree of disorder hold interest in many optical applications, including photovoltaics, light emission, sensing, and structural coloration. Controlled disorder can be achieved through either top-down or bottom-up approaches, but the latter is more suited to large-scale, low-cost fabrication. Disordered colloidal monolayers can be assembled through evaporatively driven convective assembly, a bottom-up process with a wide range of parameters impacting particle placement. Motivated by the photonic applications of such monolayers, in this review we discuss the quantification of monolayer disorder, and the assembly methods that have been used to produce them. We review the impact of particle and solvent properties, as well as the use of substrate patterning, to create the desired spatial distributions of particles.
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These authors contributed equally to the preparation of this article.
ISSN:2040-3364
2040-3372
DOI:10.1039/d1nr07814c