From soft to hard: the generation of functional and complex colloidal monolayers for nanolithography

Vogel, Nicolas; Weiss, Clemens K.; Landfester, Katharina

doi:10.1039/c1sm06650a

Cited by 183 publications

(191 citation statements)

References 156 publications

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“…[113][114][115][116] The choice of assembly technique depends on the requirements with respect to the area to be coated, which have recently been discussed in detail. 52,117 Colloidal monolayers can be especially valuable as templates or masks for etching or evaporation processes to create functional surface nanostructures or coatings. There have been intense research activities in the last decade on the generation of arrays of nanostructures using colloidal monolayers, as discussed in several recent review articles; [117][118][119][120] here, we only introduce general strategies and highlight a few examples in Figure 4A.…”

Section: (D) Multiple Porositiesmentioning

confidence: 99%

A colloidoscope of colloid-based porous materials and their uses

et al. 2016

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Nature evolved a variety of hierarchical structures that produce sophisticated functions. Inspired by these natural materials, colloidal self-assembly provides a convenient way to produce structures from simple building blocks with a variety of complex functions beyond those found in nature. In particular, colloid-based porous materials (CBPM) can be made from a wide variety of materials. The internal structure of CBPM also has several key attributes, namely porosity on a sub-micrometer length scale, interconnectivity of these pores, and a controllable degree of order. The combination of structure and composition allow CBPM to attain properties important for modern applications such as photonic inks, colorimetric sensors, self-cleaning surfaces, water purification systems, or batteries. This review summarizes recent developments in the field of CBPM, including principles for their design, fabrication, and applications, with a particular focus on structural features and materials' properties that enable these applications. We begin with a short introduction to the wide variety of patterns that can be generated by colloidal self-assembly and templating processes. We then discuss different applications of such structures, focusing on optics, wetting, sensing, catalysis, and electrodes. Different fields of applications require different properties, yet the modularity of the assembly process of CBPM provides a high degree of tunability and tailorability in composition and structure. We examine the significance of properties such as structure, composition, and degree of order on the materials' functions and use, as well as trends in and future directions for the development of CBPM.

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Section: (D) Multiple Porositiesmentioning

confidence: 99%

A colloidoscope of colloid-based porous materials and their uses

et al. 2016

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“…There are multiple reasons to employ colloids as building blocks. The regular arrangement of colloids in a monolayer 30 is experimentally simple, fast and cheap and gives access to nanopores of well-defined size, shape and order, thus allowing us to precisely calculate and control surface roughness. In contrast to irregular nanostructures, this enables a fundamental analysis of the stability of a liquid-infused coating based on geometric models.…”

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confidence: 99%

Transparency and damage tolerance of patternable omniphobic lubricated surfaces based on inverse colloidal monolayers

Vogel

Belisle²,

Hatton³

et al. 2013

Nat Commun

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A transparent coating that repels a wide variety of liquids, prevents staining, is capable of selfrepair and is robust towards mechanical damage can have a broad technological impact, from solar cell coatings to self-cleaning optical devices. Here we employ colloidal templating to design transparent, nanoporous surface structures. A lubricant can be firmly locked into the structures and, owing to its fluidic nature, forms a defect-free, self-healing interface that eliminates the pinning of a second liquid applied to its surface, leading to efficient liquid repellency, prevention of adsorption of liquid-borne contaminants, and reduction of ice adhesion strength. We further show how this method can be applied to locally pattern the repellent character of the substrate, thus opening opportunities to spatially confine any simple or complex fluids. The coating is highly defect-tolerant due to its interconnected, honeycomb wall structure, and repellency prevails after the application of strong shear forces and mechanical damage. The regularity of the coating allows us to understand and predict the stability or failure of repellency as a function of lubricant layer thickness and defect distribution based on a simple geometric model.

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“…Among these, colloidal lithography is an inexpensive, flexible, and efficient method for fabrication of periodically arranged nanostructured arrays on a large scale by using the mono-, or bi-layer organic colloidal crystals as templates, due to their interstitial geometry. The organic monolayer colloidal crystals are usually prepared based on the principle of colloidal self-assembly [17][18][19][20][21][22][23][24]. There have been many routes developed to fabricate the colloidal crystals by self-assembling, such as the spin-coating method [21], dip-coating method [22] and gas/liquid interface self-assembly [23,24].…”

Section: Introductionmentioning

confidence: 99%

Morphological and Structural Control of Organic Monolayer Colloidal Crystal Based on Plasma Etching and Its Application in Fabrication of Ordered Gold Nanostructured Arrays

Liu

Cai

2016

Crystals

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Abstract:The organic monolayer colloidal crystals, which are usually prepared by self-assembling, could be used as templates, due to their interstitial geometry, for the periodically arranged nanostructured arrays, which have important applications in many fields, such as photonic crystals, information storage, super-hydrophobicity, biological and chemical sensing. Obviously, the structures of the obtained arrays mainly depend on those of the templates. However, the self-assembled monolayer colloidal crystal is exclusive in structure and for its hexagonal close-packed colloidal arrangement, leading to the limitation of the monolayer colloidal crystal as the template for the nanostructured arrays. Therefore, structural diversity is important in order for colloidal crystals to be used as the templates for various nanostructured arrays. Recently, there have been some reports on the morphological and structural manipulation of the organic monolayer colloidal crystals. In this review article, we focus on the recent progress in morphological and structural manipulation of polystyrene monolayer colloidal crystals based on plasma etching, and its application in the fabrication of the ordered gold nanostructured arrays with different structures, mainly including close-packed monolayer colloidal crystal and its transferrable property; structural manipulation based on plasma etching; and fabrication of gold nanostructured arrays based on varied monolayer colloidal crystals as template.

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From soft to hard: the generation of functional and complex colloidal monolayers for nanolithography

Cited by 183 publications

References 156 publications

A colloidoscope of colloid-based porous materials and their uses

A colloidoscope of colloid-based porous materials and their uses

Transparency and damage tolerance of patternable omniphobic lubricated surfaces based on inverse colloidal monolayers

Morphological and Structural Control of Organic Monolayer Colloidal Crystal Based on Plasma Etching and Its Application in Fabrication of Ordered Gold Nanostructured Arrays

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