Constructing honeycomb micropatterns on nonplanar substrates with high glass transition temperature polymers

Ding, Jianyun; Gong, Jinlong; Bai, Hua; Li, Lei; Zhong, Yawen; Ma, Zhi; Švrček, Vladimír

doi:10.1016/j.jcis.2012.04.072

Cited by 28 publications

(22 citation statements)

References 41 publications

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“…However, we demonstrated that neither the molecular topography nor the T g of polymers was the key factor in forming uniform BFAs on non‐planar substrates during a static BF process 18a. Either linear polymers PS or block copolymer, polystyrene‐ block ‐poly(acrylic acid) (PS‐ b ‐PAA) or commercially available triblock copolymer polystyrene‐ block ‐polyisoprene‐ block ‐polystyrene (SIS), perfectly replicated non‐planar substrates with a static BF process 18a,f. To explain how a brittle polymer film can contour the curved structures, a hypothesis involving polymer plasticization by solvent during BF process has been proposed.…”

Section: Unconventional Fabrication Of Bfasmentioning

confidence: 87%

“…Particularly, the observation of BFAs on non‐planar substrates with vertical walls is helpful for the mechanism investigation (Figure 4 c–f). 18a,f Different from flat substrate, a capillary force between the descending solution surface and the vertical wall is induced owing to the decrease in the amount of solution as the solvent evaporates. Consequently, the BFAs floating on the solution surface will be pulled towards the vertical wall and cover it.…”

Section: Unconventional Fabrication Of Bfasmentioning

confidence: 99%

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Breath Figure Arrays: Unconventional Fabrications, Functionalizations, and Applications

Bai¹,

Du²,

Zhang³

et al. 2013

Angew Chem Int Ed

Self Cite

176

142

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A breath figure (BF) is the water droplet array that forms when moisture comes in contact with a cold substrate. This water droplet array has been widely utilized in the past two decades as a versatile soft template for the fabrication of polymeric porous films. Accordingly, the ordered pores on the polymer films formed with such a method are named a breath figure array (BFA).The BF templating technique is undergoing rapid development. Several unconventional BF processes have been established to prepare porous films with unique morphologies or primary materials, and various newly developed functionalization techniques have significantly improved the performance of polymeric films with BFA, leading to novel applications, including templates, biosensors, and separation membranes. These recent achievements will be described in this Minireview.

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Section: Unconventional Fabrication Of Bfasmentioning

confidence: 87%

Section: Unconventional Fabrication Of Bfasmentioning

confidence: 99%

Breath Figure Arrays: Unconventional Fabrications, Functionalizations, and Applications

Bai¹,

Du²,

Zhang³

et al. 2013

Angew Chem Int Ed

Self Cite

176

142

View full text Add to dashboard Cite

show abstract

“…Whereas the polymers employed by Qiao et al [133,206] concerned only star polymers with low T g (below 48 C), Li and coworkers [207] studied the construction of macroporous polymeric films on various nonplanar substrates with static breath figures technique, using linear polymers with high T g . For this purpose, two kinds of linear polymers with high T g , polystyrene-b-poly(acrylic acid) and polystyrene without polar end groups, were employed to prepare three-dimensional macroporous films on different nonplanar substrates.…”

Section: Complex Porous Surface Patterns: Ordered Multiscale Structuresmentioning

confidence: 99%

Breath Figures: Fabrication of Honeycomb Porous Films Induced by Marangoni Instabilities

Muñoz‐Bonilla¹,

Save²,

Billon³

et al. 2015

Polymer Surfaces in Motion

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The creation of porous polymer surfaces is a center of interest in current research. Porous surfaces possess extremely high specific surface areas, thus allowing their employment in a large variety of applications including electronics, photonics or biotechnology [1,2]. Pore size and distribution can play a major role in selective transportation or in insulation processes amongst others [3]. Those porous materials with cavities in the micrometer size range are interesting in catalysis, sensors, membrane preparation or as scaffolds for composite materials. Moreover porous materials with pore dimensions comparable to the wavelength of visible light are of interest as photonic band-gaps and optical stop-bands.Structures with micrometer or submicrometer dimensions can be created using different templating methods [4,5]. A large variety of approaches have been developed and employed to prepare microporous structured materials, including the use of templates such as ordered arrays of colloidal particles to produce inverse opal structures [6][7][8][9], from transformed polymeric sphere arrays [10,11], using emulsion droplets as templates [12], employing natural biological templates [13][14][15][16], by

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Section: Complex Porous Surface Patterns: Ordered Multiscale Structuresmentioning

confidence: 99%

Polymer Surfaces in Motion

Rodríguez‐Hernández¹,

Drummond

2015

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Constructing honeycomb micropatterns on nonplanar substrates with high glass transition temperature polymers

Cited by 28 publications

References 41 publications

Breath Figure Arrays: Unconventional Fabrications, Functionalizations, and Applications

Breath Figure Arrays: Unconventional Fabrications, Functionalizations, and Applications

Breath Figures: Fabrication of Honeycomb Porous Films Induced by Marangoni Instabilities

Polymer Surfaces in Motion

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