Coupling of breath figure method with interfacial polymerization: Bottom-surface functionalized honeycomb-patterned porous films

Male, Umashankar; Shin, Bo Kyoung; Huh, Do Sung

doi:10.1016/j.polymer.2017.05.038

Cited by 33 publications

(15 citation statements)

References 30 publications

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“…The simplest (and an extremely useful) method of characterization of micro-rough surfaces is based on the measurement of the apparent contact angle [ 32 , 33 , 34 , 164 ]. A detailed study of the apparent contact angles inherent for honeycomb, porous surfaces arising from breath-figure self-assembly was reported in [ 165 , 166 , 167 ]. It was demonstrated that honeycomb surfaces produced by breath-figure self-assembly demonstrate a pronounced heterogeneous (air-trapping) Cassie–Baxter wetting regime [ 79 , 168 , 169 , 170 ].…”

Section: Characterization Of Patterns Obtained With Breath-figure mentioning

confidence: 99%

Breath-Figure Self-Assembly, a Versatile Method of Manufacturing Membranes and Porous Structures: Physical, Chemical and Technological Aspects

Bormashenko

2017

Membranes

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The review is devoted to the physical, chemical, and technological aspects of the breath-figure self-assembly process. The main stages of the process and impact of the polymer architecture and physical parameters of breath-figure self-assembly on the eventual pattern are covered. The review is focused on the hierarchy of spatial and temporal scales inherent to breath-figure self-assembly. Multi-scale patterns arising from the process are addressed. The characteristic spatial lateral scales of patterns vary from nanometers to dozens of micrometers. The temporal scale of the process spans from microseconds to seconds. The qualitative analysis performed in the paper demonstrates that the process is mainly governed by interfacial phenomena, whereas the impact of inertia and gravity are negligible. Characterization and applications of polymer films manufactured with breath-figure self-assembly are discussed.

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Section: Characterization Of Patterns Obtained With Breath-figure mentioning

confidence: 99%

Breath-Figure Self-Assembly, a Versatile Method of Manufacturing Membranes and Porous Structures: Physical, Chemical and Technological Aspects

Bormashenko

2017

Membranes

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“…A broad range of absorption was observed between 250 and 300 nm for PS‐CHO with an absorbance maximum at 255–260 nm due to the presence of aromatic groups in each of its repeating units. Whereas in case of polystyrene showed absorption maximum at 265 nm …”

Section: Resultsmentioning

confidence: 96%

Formylated polystyrene for the fabrication of pore selective aldehyde group functionalized honeycomb patterned porous polystyrene films

Modigunta

Male

Huh

2018

J Polym Sci B Polym Phys

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Formylated polystyrene (PS-CHO) was synthesized by chemical modification of polystyrene (PS) for the fabrication of honeycomb patterned (HCP) porous PS films with aldehyde group functionalized pores via breath figure method under humid conditions. The incorporation of hydrophilic aldehyde group affected the hydrophobicity of PS solution and assisted the self-assembly of PS-CHO toward pore. The presence of aldehyde groups in the films were proved by the post treatment with Tollens's reagent, which results in silver decoration at pores. The morphology of the films before and after silver decoration was studied by scanning electron microscopy analysis. The pore selectively self-assembled aldehyde groups in the patterned porous films can have many applications as a reactive substrate in biomaterials and chemical moieties adhesion.

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“…For the comparison, PEDOT:PSS MEP film was fabricated via similar process using PS HCP film as a template. PS HCP film was fabricated using the BF method . Briefly, a 250 mg of PS was dissolved in 5 mL of THF.…”

Section: Methodsmentioning

confidence: 99%

Selective Coating of SnS on the Bio‐Inspired Moth‐Eye Patterned PEDOT:PSS Polymer Films

Cao

Thi

Male

et al. 2019

Macro Materials & Eng

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A new strategy for the selective coating of tin sulfide (SnS) on the surface of moth‐eye patterned (MEP) conducting polymer film is studied by considering the optical properties of the antireflective moth‐eye pattern and flexibility of polymer films. The semiconductor SnS is selectively coated on the surface of MEP microdomes of poly(3,4‐ethylenedioxythiophene) poly(styrene‐sulfonate) (PEDOT:PSS) film. The SnS coated MEP film is obtained by using pore selectively SnS thin layer functionalized polystyrene honeycomb‐patterned porous (HCP) film as a template. Aqueous PEDOT:PSS solution is poured on the SnS functionalized HCP films and detached for the fabrication of SnS coated MEP films. The films show a satisfactory photo‐responsive property under solar stimulated light illumination due to the antireflective MEP structure of PEDOT film and homogenous SnS coating on the surface of the conducting polymer.

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Coupling of breath figure method with interfacial polymerization: Bottom-surface functionalized honeycomb-patterned porous films

Cited by 33 publications

References 30 publications

Breath-Figure Self-Assembly, a Versatile Method of Manufacturing Membranes and Porous Structures: Physical, Chemical and Technological Aspects

Breath-Figure Self-Assembly, a Versatile Method of Manufacturing Membranes and Porous Structures: Physical, Chemical and Technological Aspects

Formylated polystyrene for the fabrication of pore selective aldehyde group functionalized honeycomb patterned porous polystyrene films

Selective Coating of SnS on the Bio‐Inspired Moth‐Eye Patterned PEDOT:PSS Polymer Films

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