From micelle supramolecular assemblies in selective solvents to isoporous membranes

Suzana Pereira Nunes; Madhavan Karunakaran; Pradeep Neelakanda; Ali Reza Behzad; Bobby Hooghan; Rachid Sougrat; Haoze He; Klaus-Viktor Peinemann

doi:10.1021/la201439p

From micelle supramolecular assemblies in selective solvents to isoporous membranes

Suzana Pereira Nunes, Madhavan Karunakaran, Pradeep Neelakanda, Ali Reza Behzad, Bobby Hooghan, Rachid Sougrat, Haoze He, Klaus-Viktor Peinemann

Research output: Contribution to journal › Article › peer-review

108 Scopus citations

Abstract

The supramolecular assembly of PS-b-P4VP copolymer micelles induced by selective solvent mixtures was used to manufacture isoporous membranes. Micelle order in solution was confirmed by cryo-scanning electron microscopy in casting solutions, leading to ordered pore morphology. When dioxane, a solvent that interacts poorly with the micelle corona, was added to the solution, polymer-polymer segment contact was preferential, increasing the intermicelle contact. Immersion in water gave rise to asymmetric porous membranes with exceptional pore uniformity and high porosity. The introduction of a small number of carbon nanotubes to the casting solution improved the membrane stability and the reversibility of the gate response in the presence of different pH values. © 2011 American Chemical Society.

Original language	English (US)
Pages (from-to)	10184-10190
Number of pages	7
Journal	Langmuir
Volume	27
Issue number	16
DOIs	https://doi.org/10.1021/la201439p
State	Published - Aug 16 2011

ASJC Scopus subject areas

Spectroscopy
General Materials Science
Surfaces and Interfaces
Electrochemistry
Condensed Matter Physics

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10.1021/la201439p

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title = "From micelle supramolecular assemblies in selective solvents to isoporous membranes",

abstract = "The supramolecular assembly of PS-b-P4VP copolymer micelles induced by selective solvent mixtures was used to manufacture isoporous membranes. Micelle order in solution was confirmed by cryo-scanning electron microscopy in casting solutions, leading to ordered pore morphology. When dioxane, a solvent that interacts poorly with the micelle corona, was added to the solution, polymer-polymer segment contact was preferential, increasing the intermicelle contact. Immersion in water gave rise to asymmetric porous membranes with exceptional pore uniformity and high porosity. The introduction of a small number of carbon nanotubes to the casting solution improved the membrane stability and the reversibility of the gate response in the presence of different pH values. {\textcopyright} 2011 American Chemical Society.",

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AU - Nunes, Suzana Pereira

AU - Karunakaran, Madhavan

AU - Neelakanda, Pradeep

AU - Behzad, Ali Reza

AU - Hooghan, Bobby

AU - Sougrat, Rachid

AU - He, Haoze

AU - Peinemann, Klaus-Viktor

N1 - KAUST Repository Item: Exported on 2020-10-01

PY - 2011/8/16

Y1 - 2011/8/16

N2 - The supramolecular assembly of PS-b-P4VP copolymer micelles induced by selective solvent mixtures was used to manufacture isoporous membranes. Micelle order in solution was confirmed by cryo-scanning electron microscopy in casting solutions, leading to ordered pore morphology. When dioxane, a solvent that interacts poorly with the micelle corona, was added to the solution, polymer-polymer segment contact was preferential, increasing the intermicelle contact. Immersion in water gave rise to asymmetric porous membranes with exceptional pore uniformity and high porosity. The introduction of a small number of carbon nanotubes to the casting solution improved the membrane stability and the reversibility of the gate response in the presence of different pH values. © 2011 American Chemical Society.

AB - The supramolecular assembly of PS-b-P4VP copolymer micelles induced by selective solvent mixtures was used to manufacture isoporous membranes. Micelle order in solution was confirmed by cryo-scanning electron microscopy in casting solutions, leading to ordered pore morphology. When dioxane, a solvent that interacts poorly with the micelle corona, was added to the solution, polymer-polymer segment contact was preferential, increasing the intermicelle contact. Immersion in water gave rise to asymmetric porous membranes with exceptional pore uniformity and high porosity. The introduction of a small number of carbon nanotubes to the casting solution improved the membrane stability and the reversibility of the gate response in the presence of different pH values. © 2011 American Chemical Society.

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UR - https://pubs.acs.org/doi/10.1021/la201439p

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JO - Langmuir

JF - Langmuir

IS - 16

ER -

From micelle supramolecular assemblies in selective solvents to isoporous membranes

Abstract

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